mirror of
https://github.com/prometheus/prometheus.git
synced 2024-12-25 05:34:05 -08:00
Revert "storage/remote: remote write 2.0 content negotiation"
This commit is contained in:
Alex Greenbank
GitHub
parent
ad77987bdc
commit
c250a86942
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@ -116,7 +116,7 @@ func parseAndPushMetrics(client *remote.Client, data []byte, labels map[string]s
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// Encode the request body into snappy encoding.
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compressed := snappy.Encode(nil, raw)
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err = client.Store(context.Background(), compressed, 0, remote.Version1, "snappy")
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err = client.Store(context.Background(), compressed, 0)
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if err != nil {
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fmt.Fprintln(os.Stderr, " FAILED:", err)
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return false
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@ -17,7 +17,6 @@ import (
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"bufio"
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"bytes"
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"context"
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"errors"
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"fmt"
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"io"
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"math/rand"
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@ -47,22 +46,6 @@ const maxErrMsgLen = 1024
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var UserAgent = fmt.Sprintf("Prometheus/%s", version.Version)
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// If we send a Remote Write 2.0 request to a Remote Write endpoint that only understands
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// Remote Write 1.0 it will respond with an error. We need to handle these errors
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// accordingly. Any 5xx errors will just need to be retried as they are considered
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// transient/recoverable errors. A 4xx error will need to be passed back to the queue
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// manager in order to be re-encoded in a suitable format.
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// A Remote Write 2.0 request sent to, for example, a Prometheus 2.50 receiver (which does
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// not understand Remote Write 2.0) will result in an HTTP 400 status code from the receiver.
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var ErrStatusBadRequest = errors.New("HTTP StatusBadRequest") // 400
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// A Remote Write 2.0 request sent to a remote write receiver may (depending on receiver version)
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// result in an HTTP 406 status code to indicate that it does not accept the protocol or
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// encoding of that request and that the sender should retry with a more suitable protocol
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// version or encoding.
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var ErrStatusNotAcceptable = errors.New("HTTP StatusNotAcceptable") // 406
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var (
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remoteReadQueriesTotal = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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@ -102,7 +85,7 @@ func init() {
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type Client struct {
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remoteName string // Used to differentiate clients in metrics.
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urlString string // url.String()
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lastRWHeader string
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rwFormat config.RemoteWriteFormat // For write clients, ignored for read clients.
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Client *http.Client
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timeout time.Duration
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@ -184,6 +167,7 @@ func NewWriteClient(name string, conf *ClientConfig) (WriteClient, error) {
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httpClient.Transport = otelhttp.NewTransport(t)
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return &Client{
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rwFormat: conf.RemoteWriteFormat,
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remoteName: name,
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urlString: conf.URL.String(),
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Client: httpClient,
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@ -215,58 +199,9 @@ type RecoverableError struct {
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retryAfter model.Duration
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}
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// Attempt a HEAD request against a remote write endpoint to see what it supports.
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func (c *Client) probeRemoteVersions(ctx context.Context) error {
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// We assume we are in Version2 mode otherwise we shouldn't be calling this.
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httpReq, err := http.NewRequest("HEAD", c.urlString, nil)
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if err != nil {
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// Errors from NewRequest are from unparsable URLs, so are not
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// recoverable.
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return err
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}
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// Set the version header to be nice.
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httpReq.Header.Set(RemoteWriteVersionHeader, RemoteWriteVersion20HeaderValue)
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httpReq.Header.Set("User-Agent", UserAgent)
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ctx, cancel := context.WithTimeout(ctx, c.timeout)
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defer cancel()
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httpResp, err := c.Client.Do(httpReq.WithContext(ctx))
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if err != nil {
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// We don't attempt a retry here.
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return err
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}
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// See if we got a header anyway.
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promHeader := httpResp.Header.Get(RemoteWriteVersionHeader)
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// Only update lastRWHeader if the X-Prometheus-Remote-Write header is not blank.
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if promHeader != "" {
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c.lastRWHeader = promHeader
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}
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// Check for an error.
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if httpResp.StatusCode != 200 {
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if httpResp.StatusCode == 405 {
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// If we get a 405 (MethodNotAllowed) error then it means the endpoint doesn't
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// understand Remote Write 2.0, so we allow the lastRWHeader to be overwritten
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// even if it is blank.
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// This will make subsequent sends use RemoteWrite 1.0 until the endpoint gives
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// a response that confirms it can speak 2.0.
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c.lastRWHeader = promHeader
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}
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return fmt.Errorf(httpResp.Status)
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}
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// All ok, return no error.
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return nil
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}
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// Store sends a batch of samples to the HTTP endpoint, the request is the proto marshalled
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// and encoded bytes from codec.go.
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func (c *Client) Store(ctx context.Context, req []byte, attempt int, rwFormat config.RemoteWriteFormat, compression string) error {
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func (c *Client) Store(ctx context.Context, req []byte, attempt int) error {
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httpReq, err := http.NewRequest("POST", c.urlString, bytes.NewReader(req))
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if err != nil {
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// Errors from NewRequest are from unparsable URLs, so are not
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@ -274,15 +209,15 @@ func (c *Client) Store(ctx context.Context, req []byte, attempt int, rwFormat co
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return err
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}
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httpReq.Header.Add("Content-Encoding", compression)
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httpReq.Header.Add("Content-Encoding", "snappy")
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httpReq.Header.Set("Content-Type", "application/x-protobuf")
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httpReq.Header.Set("User-Agent", UserAgent)
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if rwFormat == Version1 {
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if c.rwFormat == Version1 {
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httpReq.Header.Set(RemoteWriteVersionHeader, RemoteWriteVersion1HeaderValue)
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} else {
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// Set the right header if we're using v2.0 remote write protocol.
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httpReq.Header.Set(RemoteWriteVersionHeader, RemoteWriteVersion20HeaderValue)
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// Set the right header if we're using v1.1 remote write protocol
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httpReq.Header.Set(RemoteWriteVersionHeader, RemoteWriteVersion2HeaderValue)
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}
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if attempt > 0 {
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@ -306,12 +241,7 @@ func (c *Client) Store(ctx context.Context, req []byte, attempt int, rwFormat co
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httpResp.Body.Close()
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}()
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// See if we got a X-Prometheus-Remote-Write header in the response.
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if promHeader := httpResp.Header.Get(RemoteWriteVersionHeader); promHeader != "" {
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// Only update lastRWHeader if the X-Prometheus-Remote-Write header is not blank.
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// (It's blank if it wasn't present, we don't care about that distinction.)
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c.lastRWHeader = promHeader
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}
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// TODO-RW11: Here is where we need to handle version downgrade on error
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if httpResp.StatusCode/100 != 2 {
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scanner := bufio.NewScanner(io.LimitReader(httpResp.Body, maxErrMsgLen))
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@ -319,23 +249,8 @@ func (c *Client) Store(ctx context.Context, req []byte, attempt int, rwFormat co
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if scanner.Scan() {
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line = scanner.Text()
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}
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switch httpResp.StatusCode {
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case 400:
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// Return an unrecoverable error to indicate the 400.
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// This then gets passed up the chain so we can react to it properly.
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// TODO(alexg) Do we want to include the first line of the message?
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return ErrStatusBadRequest
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case 406:
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// Return an unrecoverable error to indicate the 406.
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// This then gets passed up the chain so we can react to it properly.
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// TODO(alexg) Do we want to include the first line of the message?
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// TODO(alexg) Do we want to combine these two errors as one, with the statuscode and first line of message in the error?
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return ErrStatusNotAcceptable
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default:
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// We want to end up returning a non-specific error.
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err = fmt.Errorf("server returned HTTP status %s: %s", httpResp.Status, line)
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}
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}
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if httpResp.StatusCode/100 == 5 ||
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(c.retryOnRateLimit && httpResp.StatusCode == http.StatusTooManyRequests) {
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return RecoverableError{err, retryAfterDuration(httpResp.Header.Get("Retry-After"))}
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@ -369,10 +284,6 @@ func (c Client) Endpoint() string {
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return c.urlString
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}
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func (c *Client) GetLastRWHeader() string {
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return c.lastRWHeader
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}
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// Read reads from a remote endpoint.
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func (c *Client) Read(ctx context.Context, query *prompb.Query) (*prompb.QueryResult, error) {
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c.readQueries.Inc()
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@ -455,11 +366,7 @@ func NewTestClient(name, url string) WriteClient {
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return &TestClient{name: name, url: url}
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}
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func (c *TestClient) probeRemoteVersions(_ context.Context) error {
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return nil
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}
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func (c *TestClient) Store(_ context.Context, req []byte, _ int, _ config.RemoteWriteFormat, _ string) error {
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func (c *TestClient) Store(_ context.Context, req []byte, _ int) error {
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r := rand.Intn(200-100) + 100
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time.Sleep(time.Duration(r) * time.Millisecond)
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return nil
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@ -472,7 +379,3 @@ func (c *TestClient) Name() string {
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func (c *TestClient) Endpoint() string {
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return c.url
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}
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func (c *TestClient) GetLastRWHeader() string {
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return "2.0;snappy,0.1.0"
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}
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@ -73,7 +73,7 @@ func TestStoreHTTPErrorHandling(t *testing.T) {
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c, err := NewWriteClient(hash, conf)
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require.NoError(t, err)
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err = c.Store(context.Background(), []byte{}, 0, Version1, "snappy")
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err = c.Store(context.Background(), []byte{}, 0)
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if test.err != nil {
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require.EqualError(t, err, test.err.Error())
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} else {
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@ -133,7 +133,7 @@ func TestClientRetryAfter(t *testing.T) {
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c := getClient(getClientConfig(serverURL, tc.retryOnRateLimit))
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var recErr RecoverableError
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err = c.Store(context.Background(), []byte{}, 0, Version1, "snappy")
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err = c.Store(context.Background(), []byte{}, 0)
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require.Equal(t, tc.expectedRecoverable, errors.As(err, &recErr), "Mismatch in expected recoverable error status.")
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if tc.expectedRecoverable {
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require.Equal(t, tc.expectedRetryAfter, recErr.retryAfter)
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@ -203,7 +203,7 @@ func TestClientHeaders(t *testing.T) {
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c, err := NewWriteClient("c", conf)
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require.NoError(t, err)
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err = c.Store(context.Background(), []byte{}, 0, Version1, "snappy")
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err = c.Store(context.Background(), []byte{}, 0)
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require.NoError(t, err)
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require.True(t, called, "The remote server wasn't called")
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@ -559,7 +559,7 @@ func TestMetricTypeToMetricTypeProto(t *testing.T) {
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}
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func TestDecodeWriteRequest(t *testing.T) {
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buf, _, _, err := buildWriteRequest(nil, writeRequestFixture.Timeseries, nil, nil, nil, nil, "snappy")
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buf, _, _, err := buildWriteRequest(nil, writeRequestFixture.Timeseries, nil, nil, nil, nil)
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require.NoError(t, err)
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actual, err := DecodeWriteRequest(bytes.NewReader(buf))
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@ -568,7 +568,7 @@ func TestDecodeWriteRequest(t *testing.T) {
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}
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func TestDecodeMinWriteRequest(t *testing.T) {
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buf, _, _, err := buildV2WriteRequest(log.NewNopLogger(), writeRequestMinimizedFixture.Timeseries, writeRequestMinimizedFixture.Symbols, nil, nil, nil, "snappy")
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buf, _, _, err := buildV2WriteRequest(log.NewNopLogger(), writeRequestMinimizedFixture.Timeseries, writeRequestMinimizedFixture.Symbols, nil, nil, nil)
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require.NoError(t, err)
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actual, err := DecodeMinimizedWriteRequestStr(bytes.NewReader(buf))
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@ -16,10 +16,8 @@ package remote
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import (
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"context"
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"errors"
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"fmt"
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"math"
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"strconv"
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"strings"
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"sync"
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"time"
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@ -389,20 +387,16 @@ func (m *queueManagerMetrics) unregister() {
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// external timeseries database.
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type WriteClient interface {
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// Store stores the given samples in the remote storage.
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Store(ctx context.Context, req []byte, retryAttempt int, rwFormat config.RemoteWriteFormat, compression string) error
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Store(ctx context.Context, req []byte, retryAttempt int) error
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// Name uniquely identifies the remote storage.
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Name() string
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// Endpoint is the remote read or write endpoint for the storage client.
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Endpoint() string
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// Get the protocol versions supported by the endpoint.
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probeRemoteVersions(ctx context.Context) error
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// Get the last RW header received from the endpoint.
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GetLastRWHeader() string
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}
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const (
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Version1 config.RemoteWriteFormat = iota // 1.0, 0.1, etc.
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Version2 // symbols are indices into an array of strings.
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Version2 // symbols are indices into an array of strings
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)
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// QueueManager manages a queue of samples to be sent to the Storage
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@ -422,6 +416,7 @@ type QueueManager struct {
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sendNativeHistograms bool
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watcher *wlog.Watcher
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metadataWatcher *MetadataWatcher
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// experimental feature, new remote write proto format
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rwFormat config.RemoteWriteFormat
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clientMtx sync.RWMutex
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@ -495,6 +490,8 @@ func NewQueueManager(
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storeClient: client,
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sendExemplars: enableExemplarRemoteWrite,
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sendNativeHistograms: enableNativeHistogramRemoteWrite,
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// TODO: we should eventually set the format via content negotiation,
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// so this field would be the desired format, maybe with a fallback?
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rwFormat: rwFormat,
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seriesLabels: make(map[chunks.HeadSeriesRef]labels.Labels),
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@ -575,11 +572,7 @@ func (t *QueueManager) AppendWatcherMetadata(ctx context.Context, metadata []scr
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func (t *QueueManager) sendMetadataWithBackoff(ctx context.Context, metadata []prompb.MetricMetadata, pBuf *proto.Buffer) error {
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// Build the WriteRequest with no samples.
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// Get compression to use from content negotiation based on last header seen (defaults to snappy).
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compression, _ := negotiateRWProto(t.rwFormat, t.storeClient.GetLastRWHeader())
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req, _, _, err := buildWriteRequest(t.logger, nil, metadata, pBuf, nil, nil, compression)
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req, _, _, err := buildWriteRequest(t.logger, nil, metadata, pBuf, nil, nil)
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if err != nil {
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return err
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}
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@ -602,7 +595,7 @@ func (t *QueueManager) sendMetadataWithBackoff(ctx context.Context, metadata []p
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}
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begin := time.Now()
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err := t.storeClient.Store(ctx, req, try, Version1, compression)
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err := t.storeClient.Store(ctx, req, try)
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t.metrics.sentBatchDuration.Observe(time.Since(begin).Seconds())
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if err != nil {
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@ -1498,40 +1491,6 @@ func (q *queue) newBatch(capacity int) []timeSeries {
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return make([]timeSeries, 0, capacity)
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}
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func negotiateRWProto(rwFormat config.RemoteWriteFormat, lastHeaderSeen string) (string, config.RemoteWriteFormat) {
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if rwFormat == Version1 {
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// If we're only handling Version1 then all we can do is that with snappy compression.
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return "snappy", Version1
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}
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if rwFormat != Version2 {
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// If we get here then someone has added a new RemoteWriteFormat value but hasn't
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// fixed this function to handle it. Panic!
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panic(fmt.Sprintf("Unhandled RemoteWriteFormat %q", rwFormat))
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}
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if lastHeaderSeen == "" {
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// We haven't had a valid header, so we just default to "0.1.0/snappy".
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return "snappy", Version1
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}
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// We can currently handle:
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// "2.0;snappy"
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// "0.1.0" - implicit compression of snappy
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// lastHeaderSeen should contain a list of tuples.
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// If we find a match to something we can handle then we can return that.
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for _, tuple := range strings.Split(lastHeaderSeen, ",") {
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// Remove spaces from the tuple.
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curr := strings.ReplaceAll(tuple, " ", "")
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switch curr {
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case "2.0;snappy":
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return "snappy", Version2
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case "0.1.0":
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return "snappy", Version1
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}
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}
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// Otherwise we have to default to "0.1.0".
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return "snappy", Version1
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}
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func (s *shards) runShard(ctx context.Context, shardID int, queue *queue) {
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defer func() {
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if s.running.Dec() == 0 {
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@ -1582,26 +1541,6 @@ func (s *shards) runShard(ctx context.Context, shardID int, queue *queue) {
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}
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defer stop()
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attemptBatchSend := func(batch []timeSeries, rwFormat config.RemoteWriteFormat, compression string, timer bool) error {
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switch rwFormat {
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case Version1:
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nPendingSamples, nPendingExemplars, nPendingHistograms := populateTimeSeries(batch, pendingData, s.qm.sendExemplars, s.qm.sendNativeHistograms)
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n := nPendingSamples + nPendingExemplars + nPendingHistograms
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if timer {
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level.Debug(s.qm.logger).Log("msg", "runShard timer ticked, sending buffered data", "samples", nPendingSamples,
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"exemplars", nPendingExemplars, "shard", shardNum, "histograms", nPendingHistograms)
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}
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return s.sendSamples(ctx, pendingData[:n], nPendingSamples, nPendingExemplars, nPendingHistograms, pBuf, &buf, compression)
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case Version2:
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nPendingSamples, nPendingExemplars, nPendingHistograms, nPendingMetadata := populateV2TimeSeries(&symbolTable, batch, pendingMinStrData, s.qm.sendExemplars, s.qm.sendNativeHistograms)
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n := nPendingSamples + nPendingExemplars + nPendingHistograms
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err := s.sendV2Samples(ctx, pendingMinStrData[:n], symbolTable.LabelsStrings(), nPendingSamples, nPendingExemplars, nPendingHistograms, nPendingMetadata, &pBufRaw, &buf, compression)
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symbolTable.clear()
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return err
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}
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return nil
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}
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for {
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select {
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case <-ctx.Done():
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@ -1625,20 +1564,16 @@ func (s *shards) runShard(ctx context.Context, shardID int, queue *queue) {
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if !ok {
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return
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}
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// Resend logic on 406.
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// ErrStatusNotAcceptable is a new error defined in client.go.
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// Work out what version to send based on the last header seen and the QM's rwFormat setting.
|
||||
// TODO(alexg) - see comments below about retry/renegotiate design.
|
||||
for attemptNos := 1; attemptNos <= 3; attemptNos++ {
|
||||
lastHeaderSeen := s.qm.storeClient.GetLastRWHeader()
|
||||
compression, rwFormat := negotiateRWProto(s.qm.rwFormat, lastHeaderSeen)
|
||||
sendErr := attemptBatchSend(batch, rwFormat, compression, false)
|
||||
if sendErr == nil || !(errors.Is(sendErr, ErrStatusNotAcceptable) || errors.Is(sendErr, ErrStatusBadRequest)) {
|
||||
// It wasn't an error, or wasn't a 406 or 400 so we can just stop trying.
|
||||
break
|
||||
}
|
||||
// If we get either of the two errors (406, 400) we loop and re-negotiate.
|
||||
switch s.qm.rwFormat {
|
||||
case Version1:
|
||||
nPendingSamples, nPendingExemplars, nPendingHistograms := populateTimeSeries(batch, pendingData, s.qm.sendExemplars, s.qm.sendNativeHistograms)
|
||||
n := nPendingSamples + nPendingExemplars + nPendingHistograms
|
||||
s.sendSamples(ctx, pendingData[:n], nPendingSamples, nPendingExemplars, nPendingHistograms, pBuf, &buf)
|
||||
case Version2:
|
||||
nPendingSamples, nPendingExemplars, nPendingHistograms, nPendingMetadata := populateV2TimeSeries(&symbolTable, batch, pendingMinStrData, s.qm.sendExemplars, s.qm.sendNativeHistograms)
|
||||
n := nPendingSamples + nPendingExemplars + nPendingHistograms
|
||||
s.sendV2Samples(ctx, pendingMinStrData[:n], symbolTable.LabelsStrings(), nPendingSamples, nPendingExemplars, nPendingHistograms, nPendingMetadata, &pBufRaw, &buf)
|
||||
symbolTable.clear()
|
||||
}
|
||||
|
||||
queue.ReturnForReuse(batch)
|
||||
|
|
@ -1649,23 +1584,19 @@ func (s *shards) runShard(ctx context.Context, shardID int, queue *queue) {
|
|||
case <-timer.C:
|
||||
batch := queue.Batch()
|
||||
if len(batch) > 0 {
|
||||
for attemptNos := 1; attemptNos <= 3; attemptNos++ {
|
||||
// Work out what version to send based on the last header seen and the QM's rwFormat setting.
|
||||
lastHeaderSeen := s.qm.storeClient.GetLastRWHeader()
|
||||
compression, rwFormat := negotiateRWProto(s.qm.rwFormat, lastHeaderSeen)
|
||||
sendErr := attemptBatchSend(batch, rwFormat, compression, true)
|
||||
if sendErr == nil || !(errors.Is(sendErr, ErrStatusNotAcceptable) || errors.Is(sendErr, ErrStatusBadRequest)) {
|
||||
// It wasn't an error, or wasn't a 406 or 400 so we can just stop trying.
|
||||
break
|
||||
switch s.qm.rwFormat {
|
||||
case Version1:
|
||||
nPendingSamples, nPendingExemplars, nPendingHistograms := populateTimeSeries(batch, pendingData, s.qm.sendExemplars, s.qm.sendNativeHistograms)
|
||||
n := nPendingSamples + nPendingExemplars + nPendingHistograms
|
||||
s.sendSamples(ctx, pendingData[:n], nPendingSamples, nPendingExemplars, nPendingHistograms, pBuf, &buf)
|
||||
level.Debug(s.qm.logger).Log("msg", "runShard timer ticked, sending buffered data", "samples", nPendingSamples,
|
||||
"exemplars", nPendingExemplars, "shard", shardNum, "histograms", nPendingHistograms)
|
||||
case Version2:
|
||||
nPendingSamples, nPendingExemplars, nPendingHistograms, nPendingMetadata := populateV2TimeSeries(&symbolTable, batch, pendingMinStrData, s.qm.sendExemplars, s.qm.sendNativeHistograms)
|
||||
n := nPendingSamples + nPendingExemplars + nPendingHistograms
|
||||
s.sendV2Samples(ctx, pendingMinStrData[:n], symbolTable.LabelsStrings(), nPendingSamples, nPendingExemplars, nPendingHistograms, nPendingMetadata, &pBufRaw, &buf)
|
||||
symbolTable.clear()
|
||||
}
|
||||
// If we get either of the two errors (406, 400) we loop and re-negotiate.
|
||||
}
|
||||
// TODO(alexg) - the question here is whether we use the 3rd attempt to ensure we
|
||||
// Consider a server that erroneously reports it can handle "0.2.0/snappy" even in the 406/400 errors when that data is sent in that format
|
||||
// Q: Do we always try downgrading to 1.0 at least once?
|
||||
// Q: Do we limit our attempts to only try a particular protocol/encoding tuple once?
|
||||
// Q: Is 3 a suitable limit?
|
||||
// TODO(alexg) - add retry/renegotiate metrics here
|
||||
}
|
||||
queue.ReturnForReuse(batch)
|
||||
timer.Reset(time.Duration(s.qm.cfg.BatchSendDeadline))
|
||||
|
|
@ -1714,22 +1645,16 @@ func populateTimeSeries(batch []timeSeries, pendingData []prompb.TimeSeries, sen
|
|||
return nPendingSamples, nPendingExemplars, nPendingHistograms
|
||||
}
|
||||
|
||||
func (s *shards) sendSamples(ctx context.Context, samples []prompb.TimeSeries, sampleCount, exemplarCount, histogramCount int, pBuf *proto.Buffer, buf *[]byte, compression string) error {
|
||||
func (s *shards) sendSamples(ctx context.Context, samples []prompb.TimeSeries, sampleCount, exemplarCount, histogramCount int, pBuf *proto.Buffer, buf *[]byte) {
|
||||
begin := time.Now()
|
||||
err := s.sendSamplesWithBackoff(ctx, samples, sampleCount, exemplarCount, histogramCount, 0, pBuf, buf, compression)
|
||||
err := s.sendSamplesWithBackoff(ctx, samples, sampleCount, exemplarCount, histogramCount, 0, pBuf, buf)
|
||||
s.updateMetrics(ctx, err, sampleCount, exemplarCount, histogramCount, 0, time.Since(begin))
|
||||
|
||||
// Return the error in case it is a 406 and we need to reformat the data.
|
||||
return err
|
||||
}
|
||||
|
||||
func (s *shards) sendV2Samples(ctx context.Context, samples []writev2.TimeSeries, labels []string, sampleCount, exemplarCount, histogramCount, metadataCount int, pBuf, buf *[]byte, compression string) error {
|
||||
func (s *shards) sendV2Samples(ctx context.Context, samples []writev2.TimeSeries, labels []string, sampleCount, exemplarCount, histogramCount, metadataCount int, pBuf, buf *[]byte) {
|
||||
begin := time.Now()
|
||||
err := s.sendV2SamplesWithBackoff(ctx, samples, labels, sampleCount, exemplarCount, histogramCount, metadataCount, pBuf, buf, compression)
|
||||
err := s.sendV2SamplesWithBackoff(ctx, samples, labels, sampleCount, exemplarCount, histogramCount, metadataCount, pBuf, buf)
|
||||
s.updateMetrics(ctx, err, sampleCount, exemplarCount, histogramCount, metadataCount, time.Since(begin))
|
||||
|
||||
// Return the error in case it is a 406 and we need to reformat the data.
|
||||
return err
|
||||
}
|
||||
|
||||
func (s *shards) updateMetrics(ctx context.Context, err error, sampleCount, exemplarCount, histogramCount, metadataCount int, duration time.Duration) {
|
||||
|
|
@ -1756,9 +1681,9 @@ func (s *shards) updateMetrics(ctx context.Context, err error, sampleCount, exem
|
|||
}
|
||||
|
||||
// sendSamples to the remote storage with backoff for recoverable errors.
|
||||
func (s *shards) sendSamplesWithBackoff(ctx context.Context, samples []prompb.TimeSeries, sampleCount, exemplarCount, histogramCount, metadataCount int, pBuf *proto.Buffer, buf *[]byte, compression string) error {
|
||||
func (s *shards) sendSamplesWithBackoff(ctx context.Context, samples []prompb.TimeSeries, sampleCount, exemplarCount, histogramCount, metadataCount int, pBuf *proto.Buffer, buf *[]byte) error {
|
||||
// Build the WriteRequest with no metadata.
|
||||
req, highest, lowest, err := buildWriteRequest(s.qm.logger, samples, nil, pBuf, buf, nil, compression)
|
||||
req, highest, lowest, err := buildWriteRequest(s.qm.logger, samples, nil, pBuf, buf, nil)
|
||||
s.qm.buildRequestLimitTimestamp.Store(lowest)
|
||||
if err != nil {
|
||||
// Failing to build the write request is non-recoverable, since it will
|
||||
|
|
@ -1784,7 +1709,6 @@ func (s *shards) sendSamplesWithBackoff(ctx context.Context, samples []prompb.Ti
|
|||
pBuf,
|
||||
buf,
|
||||
isTimeSeriesOldFilter(s.qm.metrics, currentTime, time.Duration(s.qm.cfg.SampleAgeLimit)),
|
||||
compression,
|
||||
)
|
||||
s.qm.buildRequestLimitTimestamp.Store(lowest)
|
||||
if err != nil {
|
||||
|
|
@ -1816,7 +1740,7 @@ func (s *shards) sendSamplesWithBackoff(ctx context.Context, samples []prompb.Ti
|
|||
s.qm.metrics.exemplarsTotal.Add(float64(exemplarCount))
|
||||
s.qm.metrics.histogramsTotal.Add(float64(histogramCount))
|
||||
s.qm.metrics.metadataTotal.Add(float64(metadataCount))
|
||||
err := s.qm.client().Store(ctx, *buf, try, Version1, compression)
|
||||
err := s.qm.client().Store(ctx, *buf, try)
|
||||
s.qm.metrics.sentBatchDuration.Observe(time.Since(begin).Seconds())
|
||||
|
||||
if err != nil {
|
||||
|
|
@ -1847,9 +1771,9 @@ func (s *shards) sendSamplesWithBackoff(ctx context.Context, samples []prompb.Ti
|
|||
}
|
||||
|
||||
// sendV2Samples to the remote storage with backoff for recoverable errors.
|
||||
func (s *shards) sendV2SamplesWithBackoff(ctx context.Context, samples []writev2.TimeSeries, labels []string, sampleCount, exemplarCount, histogramCount, metadataCount int, pBuf, buf *[]byte, compression string) error {
|
||||
func (s *shards) sendV2SamplesWithBackoff(ctx context.Context, samples []writev2.TimeSeries, labels []string, sampleCount, exemplarCount, histogramCount, metadataCount int, pBuf, buf *[]byte) error {
|
||||
// Build the WriteRequest with no metadata.
|
||||
req, highest, lowest, err := buildV2WriteRequest(s.qm.logger, samples, labels, pBuf, buf, nil, compression)
|
||||
req, highest, lowest, err := buildV2WriteRequest(s.qm.logger, samples, labels, pBuf, buf, nil)
|
||||
s.qm.buildRequestLimitTimestamp.Store(lowest)
|
||||
if err != nil {
|
||||
// Failing to build the write request is non-recoverable, since it will
|
||||
|
|
@ -1875,7 +1799,6 @@ func (s *shards) sendV2SamplesWithBackoff(ctx context.Context, samples []writev2
|
|||
pBuf,
|
||||
buf,
|
||||
isV2TimeSeriesOldFilter(s.qm.metrics, currentTime, time.Duration(s.qm.cfg.SampleAgeLimit)),
|
||||
compression,
|
||||
)
|
||||
s.qm.buildRequestLimitTimestamp.Store(lowest)
|
||||
if err != nil {
|
||||
|
|
@ -1907,7 +1830,7 @@ func (s *shards) sendV2SamplesWithBackoff(ctx context.Context, samples []writev2
|
|||
s.qm.metrics.exemplarsTotal.Add(float64(exemplarCount))
|
||||
s.qm.metrics.histogramsTotal.Add(float64(histogramCount))
|
||||
s.qm.metrics.metadataTotal.Add(float64(metadataCount))
|
||||
err := s.qm.client().Store(ctx, *buf, try, Version2, compression)
|
||||
err := s.qm.client().Store(ctx, *buf, try)
|
||||
s.qm.metrics.sentBatchDuration.Observe(time.Since(begin).Seconds())
|
||||
|
||||
if err != nil {
|
||||
|
|
@ -2094,23 +2017,7 @@ func buildTimeSeries(timeSeries []prompb.TimeSeries, filter func(prompb.TimeSeri
|
|||
return highest, lowest, timeSeries, droppedSamples, droppedExemplars, droppedHistograms
|
||||
}
|
||||
|
||||
func compressPayload(tmpbuf *[]byte, inp []byte, compression string) ([]byte, error) {
|
||||
var compressed []byte
|
||||
|
||||
switch compression {
|
||||
case "snappy":
|
||||
compressed = snappy.Encode(*tmpbuf, inp)
|
||||
if n := snappy.MaxEncodedLen(len(inp)); n > len(*tmpbuf) {
|
||||
// grow the buffer for the next time
|
||||
*tmpbuf = make([]byte, n)
|
||||
}
|
||||
return compressed, nil
|
||||
default:
|
||||
return compressed, fmt.Errorf("Unknown compression scheme [%s]", compression)
|
||||
}
|
||||
}
|
||||
|
||||
func buildWriteRequest(logger log.Logger, timeSeries []prompb.TimeSeries, metadata []prompb.MetricMetadata, pBuf *proto.Buffer, buf *[]byte, filter func(prompb.TimeSeries) bool, compression string) ([]byte, int64, int64, error) {
|
||||
func buildWriteRequest(logger log.Logger, timeSeries []prompb.TimeSeries, metadata []prompb.MetricMetadata, pBuf *proto.Buffer, buf *[]byte, filter func(prompb.TimeSeries) bool) ([]byte, int64, int64, error) {
|
||||
highest, lowest, timeSeries,
|
||||
droppedSamples, droppedExemplars, droppedHistograms := buildTimeSeries(timeSeries, filter)
|
||||
|
||||
|
|
@ -2140,14 +2047,11 @@ func buildWriteRequest(logger log.Logger, timeSeries []prompb.TimeSeries, metada
|
|||
} else {
|
||||
buf = &[]byte{}
|
||||
}
|
||||
|
||||
var compressed []byte
|
||||
|
||||
compressed, err = compressPayload(buf, pBuf.Bytes(), compression)
|
||||
if err != nil {
|
||||
return nil, highest, lowest, err
|
||||
compressed := snappy.Encode(*buf, pBuf.Bytes())
|
||||
if n := snappy.MaxEncodedLen(len(pBuf.Bytes())); n > len(*buf) {
|
||||
// grow the buffer for the next time
|
||||
*buf = make([]byte, n)
|
||||
}
|
||||
|
||||
return compressed, highest, lowest, nil
|
||||
}
|
||||
|
||||
|
|
@ -2183,7 +2087,7 @@ func (r *rwSymbolTable) clear() {
|
|||
}
|
||||
}
|
||||
|
||||
func buildV2WriteRequest(logger log.Logger, samples []writev2.TimeSeries, labels []string, pBuf, buf *[]byte, filter func(writev2.TimeSeries) bool, compression string) ([]byte, int64, int64, error) {
|
||||
func buildV2WriteRequest(logger log.Logger, samples []writev2.TimeSeries, labels []string, pBuf, buf *[]byte, filter func(writev2.TimeSeries) bool) ([]byte, int64, int64, error) {
|
||||
highest, lowest, timeSeries, droppedSamples, droppedExemplars, droppedHistograms := buildV2TimeSeries(samples, filter)
|
||||
|
||||
if droppedSamples > 0 || droppedExemplars > 0 || droppedHistograms > 0 {
|
||||
|
|
@ -2213,11 +2117,10 @@ func buildV2WriteRequest(logger log.Logger, samples []writev2.TimeSeries, labels
|
|||
buf = &[]byte{}
|
||||
}
|
||||
|
||||
var compressed []byte
|
||||
|
||||
compressed, err = compressPayload(buf, data, compression)
|
||||
if err != nil {
|
||||
return nil, highest, lowest, err
|
||||
compressed := snappy.Encode(*buf, data)
|
||||
if n := snappy.MaxEncodedLen(len(data)); n > len(*buf) {
|
||||
// grow the buffer for the next time
|
||||
*buf = make([]byte, n)
|
||||
}
|
||||
|
||||
return compressed, highest, lowest, nil
|
||||
|
|
|
|||
|
|
@ -63,146 +63,6 @@ func newHighestTimestampMetric() *maxTimestamp {
|
|||
}
|
||||
}
|
||||
|
||||
type contentNegotiationStep struct {
|
||||
lastRWHeader string
|
||||
compression string
|
||||
behaviour error // or nil
|
||||
attemptString string
|
||||
}
|
||||
|
||||
func TestContentNegotiation(t *testing.T) {
|
||||
testcases := []struct {
|
||||
name string
|
||||
success bool
|
||||
qmRwFormat config.RemoteWriteFormat
|
||||
rwFormat config.RemoteWriteFormat
|
||||
steps []contentNegotiationStep
|
||||
}{
|
||||
// Test a simple case where the v2 request we send is processed first time.
|
||||
{
|
||||
success: true, name: "v2 happy path", qmRwFormat: Version2, rwFormat: Version2, steps: []contentNegotiationStep{
|
||||
{lastRWHeader: "2.0;snappy,0.1.0", compression: "snappy", behaviour: nil, attemptString: "0,1,snappy,ok"},
|
||||
},
|
||||
},
|
||||
// Test a simple case where the v1 request we send is processed first time.
|
||||
{
|
||||
success: true, name: "v1 happy path", qmRwFormat: Version1, rwFormat: Version1, steps: []contentNegotiationStep{
|
||||
{lastRWHeader: "0.1.0", compression: "snappy", behaviour: nil, attemptString: "0,0,snappy,ok"},
|
||||
},
|
||||
},
|
||||
// Test a case where the v1 request has a temporary delay but goes through on retry.
|
||||
// There is no content re-negotiation between first and retry attempts.
|
||||
{
|
||||
success: true, name: "v1 happy path with one 5xx retry", qmRwFormat: Version1, rwFormat: Version1, steps: []contentNegotiationStep{
|
||||
{lastRWHeader: "0.1.0", compression: "snappy", behaviour: RecoverableError{fmt.Errorf("Pretend 500"), 1}, attemptString: "0,0,snappy,Pretend 500"},
|
||||
{lastRWHeader: "0.1.0", compression: "snappy", behaviour: nil, attemptString: "1,0,snappy,ok"},
|
||||
},
|
||||
},
|
||||
// Repeat the above test but with v2. The request has a temporary delay but goes through on retry.
|
||||
// There is no content re-negotiation between first and retry attempts.
|
||||
{
|
||||
success: true, name: "v2 happy path with one 5xx retry", qmRwFormat: Version2, rwFormat: Version2, steps: []contentNegotiationStep{
|
||||
{lastRWHeader: "2.0;snappy,0.1.0", compression: "snappy", behaviour: RecoverableError{fmt.Errorf("Pretend 500"), 1}, attemptString: "0,1,snappy,Pretend 500"},
|
||||
{lastRWHeader: "2.0;snappy,0.1.0", compression: "snappy", behaviour: nil, attemptString: "1,1,snappy,ok"},
|
||||
},
|
||||
},
|
||||
// Now test where the server suddenly stops speaking 2.0 and we need to downgrade.
|
||||
{
|
||||
success: true, name: "v2 request to v2 server that has downgraded via 406", qmRwFormat: Version2, rwFormat: Version2, steps: []contentNegotiationStep{
|
||||
{lastRWHeader: "2.0;snappy,0.1.0", compression: "snappy", behaviour: ErrStatusNotAcceptable, attemptString: "0,1,snappy,HTTP StatusNotAcceptable"},
|
||||
{lastRWHeader: "0.1.0", compression: "snappy", behaviour: nil, attemptString: "0,0,snappy,ok"},
|
||||
},
|
||||
},
|
||||
// Now test where the server suddenly stops speaking 2.0 and we need to downgrade because it returns a 400.
|
||||
{
|
||||
success: true, name: "v2 request to v2 server that has downgraded via 400", qmRwFormat: Version2, rwFormat: Version2, steps: []contentNegotiationStep{
|
||||
{lastRWHeader: "2.0;snappy,0.1.0", compression: "snappy", behaviour: ErrStatusBadRequest, attemptString: "0,1,snappy,HTTP StatusBadRequest"},
|
||||
{lastRWHeader: "0.1.0", compression: "snappy", behaviour: nil, attemptString: "0,0,snappy,ok"},
|
||||
},
|
||||
},
|
||||
// Now test where the server flip flops between "2.0;snappy" and "0.1.0" only.
|
||||
{
|
||||
success: false, name: "flip flopping", qmRwFormat: Version2, rwFormat: Version2, steps: []contentNegotiationStep{
|
||||
{lastRWHeader: "2.0;snappy", compression: "snappy", behaviour: ErrStatusNotAcceptable, attemptString: "0,1,snappy,HTTP StatusNotAcceptable"},
|
||||
{lastRWHeader: "0.1.0", compression: "snappy", behaviour: ErrStatusNotAcceptable, attemptString: "0,0,snappy,HTTP StatusNotAcceptable"},
|
||||
{lastRWHeader: "2.0;snappy", compression: "snappy", behaviour: ErrStatusNotAcceptable, attemptString: "0,1,snappy,HTTP StatusNotAcceptable"},
|
||||
// There's no 4th attempt as we do a maximum of 3 sending attempts (not counting retries).
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
queueConfig := config.DefaultQueueConfig
|
||||
queueConfig.BatchSendDeadline = model.Duration(100 * time.Millisecond)
|
||||
queueConfig.MaxShards = 1
|
||||
|
||||
// We need to set URL's so that metric creation doesn't panic.
|
||||
writeConfig := baseRemoteWriteConfig("http://test-storage.com")
|
||||
writeConfig.QueueConfig = queueConfig
|
||||
|
||||
conf := &config.Config{
|
||||
GlobalConfig: config.DefaultGlobalConfig,
|
||||
RemoteWriteConfigs: []*config.RemoteWriteConfig{
|
||||
writeConfig,
|
||||
},
|
||||
}
|
||||
|
||||
for _, tc := range testcases {
|
||||
t.Run(tc.name, func(t *testing.T) {
|
||||
dir := t.TempDir()
|
||||
s := NewStorage(nil, nil, nil, dir, defaultFlushDeadline, nil, true)
|
||||
defer s.Close()
|
||||
|
||||
var (
|
||||
series []record.RefSeries
|
||||
metadata []record.RefMetadata
|
||||
samples []record.RefSample
|
||||
)
|
||||
|
||||
// Generates same series in both cases.
|
||||
samples, series = createTimeseries(1, 1)
|
||||
metadata = createSeriesMetadata(series)
|
||||
|
||||
// Apply new config.
|
||||
queueConfig.Capacity = len(samples)
|
||||
queueConfig.MaxSamplesPerSend = len(samples)
|
||||
// For now we only ever have a single rw config in this test.
|
||||
conf.RemoteWriteConfigs[0].ProtocolVersion = tc.qmRwFormat
|
||||
require.NoError(t, s.ApplyConfig(conf))
|
||||
hash, err := toHash(writeConfig)
|
||||
require.NoError(t, err)
|
||||
qm := s.rws.queues[hash]
|
||||
|
||||
c := NewTestWriteClient(tc.rwFormat)
|
||||
c.setSteps(tc.steps) // set expected behaviour.
|
||||
qm.SetClient(c)
|
||||
|
||||
qm.StoreSeries(series, 0)
|
||||
qm.StoreMetadata(metadata)
|
||||
|
||||
// Did we expect some data back?
|
||||
if tc.success {
|
||||
c.expectSamples(samples, series)
|
||||
}
|
||||
qm.Append(samples)
|
||||
|
||||
if !tc.success {
|
||||
// We just need to sleep for a bit to give it time to run.
|
||||
time.Sleep(2 * time.Second)
|
||||
// But we still need to check for data with no delay to avoid race.
|
||||
c.waitForExpectedData(t, 0*time.Second)
|
||||
} else {
|
||||
// We expected data so wait for it.
|
||||
c.waitForExpectedData(t, 5*time.Second)
|
||||
}
|
||||
|
||||
require.Equal(t, len(c.sendAttempts), len(tc.steps))
|
||||
for i, s := range c.sendAttempts {
|
||||
require.Equal(t, s, tc.steps[i].attemptString)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestSampleDelivery(t *testing.T) {
|
||||
testcases := []struct {
|
||||
name string
|
||||
|
|
@ -218,7 +78,7 @@ func TestSampleDelivery(t *testing.T) {
|
|||
{samples: false, exemplars: false, histograms: true, floatHistograms: false, name: "histograms only"},
|
||||
{samples: false, exemplars: false, histograms: false, floatHistograms: true, name: "float histograms only"},
|
||||
|
||||
// TODO(alexg): update some portion of this test to check for the 2.0 metadata
|
||||
// TODO: update some portion of this test to check for the 2.0 metadata
|
||||
{samples: true, exemplars: false, histograms: false, floatHistograms: false, name: "samples only", rwFormat: Version2},
|
||||
{samples: true, exemplars: true, histograms: true, floatHistograms: true, name: "samples, exemplars, and histograms", rwFormat: Version2},
|
||||
{samples: false, exemplars: true, histograms: false, floatHistograms: false, name: "exemplars only", rwFormat: Version2},
|
||||
|
|
@ -280,6 +140,8 @@ func TestSampleDelivery(t *testing.T) {
|
|||
// Apply new config.
|
||||
queueConfig.Capacity = len(samples)
|
||||
queueConfig.MaxSamplesPerSend = len(samples) / 2
|
||||
// For now we only ever have a single rw config in this test.
|
||||
conf.RemoteWriteConfigs[0].ProtocolVersion = tc.rwFormat
|
||||
require.NoError(t, s.ApplyConfig(conf))
|
||||
hash, err := toHash(writeConfig)
|
||||
require.NoError(t, err)
|
||||
|
|
@ -371,7 +233,7 @@ func (c *perRequestWriteClient) expectedData(t testing.TB) {
|
|||
}
|
||||
}
|
||||
|
||||
func (c *perRequestWriteClient) Store(ctx context.Context, req []byte, r int, rwFormat config.RemoteWriteFormat, compression string) error {
|
||||
func (c *perRequestWriteClient) Store(ctx context.Context, req []byte, r int) error {
|
||||
c.mtx.Lock()
|
||||
defer c.mtx.Unlock()
|
||||
defer func() { c.i++ }()
|
||||
|
|
@ -379,7 +241,7 @@ func (c *perRequestWriteClient) Store(ctx context.Context, req []byte, r int, rw
|
|||
return nil
|
||||
}
|
||||
|
||||
if err := c.TestWriteClient.Store(ctx, req, r, rwFormat, compression); err != nil {
|
||||
if err := c.TestWriteClient.Store(ctx, req, r); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
|
|
@ -409,7 +271,7 @@ func (c *perRequestWriteClient) Store(ctx context.Context, req []byte, r int, rw
|
|||
}
|
||||
c.requests[c.i].expectSamples(c.expectedRequestSamples[expReqSampleToUse], c.expectedSeries)
|
||||
c.expectedRequestSamples = append(c.expectedRequestSamples[:expReqSampleToUse], c.expectedRequestSamples[expReqSampleToUse+1:]...)
|
||||
return c.requests[c.i].Store(ctx, req, r, rwFormat, compression)
|
||||
return c.requests[c.i].Store(ctx, req, r)
|
||||
}
|
||||
|
||||
func testDefaultQueueConfig() config.QueueConfig {
|
||||
|
|
@ -500,7 +362,7 @@ func TestMetadataDelivery(t *testing.T) {
|
|||
mcfg := config.DefaultMetadataConfig
|
||||
|
||||
metrics := newQueueManagerMetrics(nil, "", "")
|
||||
m := NewQueueManager(metrics, nil, nil, nil, dir, newEWMARate(ewmaWeight, shardUpdateDuration), cfg, mcfg, labels.EmptyLabels(), nil, c, defaultFlushDeadline, newPool(), newHighestTimestampMetric(), nil, false, false, Version1)
|
||||
m := NewQueueManager(metrics, nil, nil, nil, dir, newEWMARate(ewmaWeight, shardUpdateDuration), cfg, mcfg, labels.EmptyLabels(), nil, c, defaultFlushDeadline, newPool(), newHighestTimestampMetric(), nil, false, false, 0)
|
||||
m.Start()
|
||||
defer m.Stop()
|
||||
|
||||
|
|
@ -1108,10 +970,6 @@ type TestWriteClient struct {
|
|||
mtx sync.Mutex
|
||||
buf []byte
|
||||
rwFormat config.RemoteWriteFormat
|
||||
sendAttempts []string
|
||||
steps []contentNegotiationStep
|
||||
currstep int
|
||||
retry bool
|
||||
}
|
||||
|
||||
func NewTestWriteClient(rwFormat config.RemoteWriteFormat) *TestWriteClient {
|
||||
|
|
@ -1123,12 +981,6 @@ func NewTestWriteClient(rwFormat config.RemoteWriteFormat) *TestWriteClient {
|
|||
}
|
||||
}
|
||||
|
||||
func (c *TestWriteClient) setSteps(steps []contentNegotiationStep) {
|
||||
c.steps = steps
|
||||
c.currstep = -1 // incremented by GetLastRWHeader()
|
||||
c.retry = false
|
||||
}
|
||||
|
||||
func (c *TestWriteClient) expectSamples(ss []record.RefSample, series []record.RefSeries) {
|
||||
c.mtx.Lock()
|
||||
defer c.mtx.Unlock()
|
||||
|
|
@ -1235,7 +1087,7 @@ func (c *TestWriteClient) waitForExpectedData(tb testing.TB, timeout time.Durati
|
|||
}
|
||||
}
|
||||
|
||||
func (c *TestWriteClient) Store(_ context.Context, req []byte, attemptNos int, rwFormat config.RemoteWriteFormat, compression string) error {
|
||||
func (c *TestWriteClient) Store(_ context.Context, req []byte, _ int) error {
|
||||
c.mtx.Lock()
|
||||
defer c.mtx.Unlock()
|
||||
// nil buffers are ok for snappy, ignore cast error.
|
||||
|
|
@ -1248,23 +1100,8 @@ func (c *TestWriteClient) Store(_ context.Context, req []byte, attemptNos int, r
|
|||
return err
|
||||
}
|
||||
|
||||
attemptString := fmt.Sprintf("%d,%d,%s", attemptNos, rwFormat, compression)
|
||||
|
||||
if attemptNos > 0 {
|
||||
// If this is a second attempt then we need to bump to the next step otherwise we loop.
|
||||
c.currstep++
|
||||
}
|
||||
|
||||
// Check if we've been told to return something for this config.
|
||||
if len(c.steps) > 0 {
|
||||
if err = c.steps[c.currstep].behaviour; err != nil {
|
||||
c.sendAttempts = append(c.sendAttempts, attemptString+","+fmt.Sprintf("%s", err))
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
var reqProto *prompb.WriteRequest
|
||||
switch rwFormat {
|
||||
switch c.rwFormat {
|
||||
case Version1:
|
||||
reqProto = &prompb.WriteRequest{}
|
||||
err = proto.Unmarshal(reqBuf, reqProto)
|
||||
|
|
@ -1277,7 +1114,6 @@ func (c *TestWriteClient) Store(_ context.Context, req []byte, attemptNos int, r
|
|||
}
|
||||
|
||||
if err != nil {
|
||||
c.sendAttempts = append(c.sendAttempts, attemptString+","+fmt.Sprintf("%s", err))
|
||||
return err
|
||||
}
|
||||
|
||||
|
|
@ -1303,7 +1139,6 @@ func (c *TestWriteClient) Store(_ context.Context, req []byte, attemptNos int, r
|
|||
}
|
||||
|
||||
c.writesReceived++
|
||||
c.sendAttempts = append(c.sendAttempts, attemptString+",ok")
|
||||
return nil
|
||||
}
|
||||
|
||||
|
|
@ -1315,20 +1150,6 @@ func (c *TestWriteClient) Endpoint() string {
|
|||
return "http://test-remote.com/1234"
|
||||
}
|
||||
|
||||
func (c *TestWriteClient) probeRemoteVersions(_ context.Context) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (c *TestWriteClient) GetLastRWHeader() string {
|
||||
c.mtx.Lock()
|
||||
defer c.mtx.Unlock()
|
||||
c.currstep++
|
||||
if len(c.steps) > 0 {
|
||||
return c.steps[c.currstep].lastRWHeader
|
||||
}
|
||||
return "2.0;snappy,0.1.0"
|
||||
}
|
||||
|
||||
// TestBlockingWriteClient is a queue_manager WriteClient which will block
|
||||
// on any calls to Store(), until the request's Context is cancelled, at which
|
||||
// point the `numCalls` property will contain a count of how many times Store()
|
||||
|
|
@ -1341,7 +1162,7 @@ func NewTestBlockedWriteClient() *TestBlockingWriteClient {
|
|||
return &TestBlockingWriteClient{}
|
||||
}
|
||||
|
||||
func (c *TestBlockingWriteClient) Store(ctx context.Context, _ []byte, _ int, _ config.RemoteWriteFormat, _ string) error {
|
||||
func (c *TestBlockingWriteClient) Store(ctx context.Context, _ []byte, _ int) error {
|
||||
c.numCalls.Inc()
|
||||
<-ctx.Done()
|
||||
return nil
|
||||
|
|
@ -1359,27 +1180,13 @@ func (c *TestBlockingWriteClient) Endpoint() string {
|
|||
return "http://test-remote-blocking.com/1234"
|
||||
}
|
||||
|
||||
func (c *TestBlockingWriteClient) probeRemoteVersions(_ context.Context) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (c *TestBlockingWriteClient) GetLastRWHeader() string {
|
||||
return "2.0;snappy,0.1.0"
|
||||
}
|
||||
|
||||
// For benchmarking the send and not the receive side.
|
||||
type NopWriteClient struct{}
|
||||
|
||||
func NewNopWriteClient() *NopWriteClient { return &NopWriteClient{} }
|
||||
func (c *NopWriteClient) Store(context.Context, []byte, int, config.RemoteWriteFormat, string) error {
|
||||
return nil
|
||||
}
|
||||
func (c *NopWriteClient) Store(context.Context, []byte, int) error { return nil }
|
||||
func (c *NopWriteClient) Name() string { return "nopwriteclient" }
|
||||
func (c *NopWriteClient) Endpoint() string { return "http://test-remote.com/1234" }
|
||||
func (c *NopWriteClient) probeRemoteVersions(_ context.Context) error {
|
||||
return nil
|
||||
}
|
||||
func (c *NopWriteClient) GetLastRWHeader() string { return "2.0;snappy,0.1.0" }
|
||||
|
||||
// Extra labels to make a more realistic workload - taken from Kubernetes' embedded cAdvisor metrics.
|
||||
var extraLabels []labels.Label = []labels.Label{
|
||||
|
|
@ -1970,14 +1777,14 @@ func BenchmarkBuildWriteRequest(b *testing.B) {
|
|||
// Warmup buffers
|
||||
for i := 0; i < 10; i++ {
|
||||
populateTimeSeries(batch, seriesBuff, true, true)
|
||||
buildWriteRequest(noopLogger, seriesBuff, nil, pBuf, &buff, nil, "snappy")
|
||||
buildWriteRequest(noopLogger, seriesBuff, nil, pBuf, &buff, nil)
|
||||
}
|
||||
|
||||
b.ResetTimer()
|
||||
totalSize := 0
|
||||
for i := 0; i < b.N; i++ {
|
||||
populateTimeSeries(batch, seriesBuff, true, true)
|
||||
req, _, _, err := buildWriteRequest(noopLogger, seriesBuff, nil, pBuf, &buff, nil, "snappy")
|
||||
req, _, _, err := buildWriteRequest(noopLogger, seriesBuff, nil, pBuf, &buff, nil)
|
||||
if err != nil {
|
||||
b.Fatal(err)
|
||||
}
|
||||
|
|
@ -2026,7 +1833,7 @@ func BenchmarkBuildMinimizedWriteRequest(b *testing.B) {
|
|||
// Warmup buffers
|
||||
for i := 0; i < 10; i++ {
|
||||
populateV2TimeSeries(&symbolTable, tc.batch, seriesBuff, true, true)
|
||||
buildV2WriteRequest(noopLogger, seriesBuff, symbolTable.LabelsStrings(), &pBuf, &buff, nil, "snappy")
|
||||
buildV2WriteRequest(noopLogger, seriesBuff, symbolTable.LabelsStrings(), &pBuf, &buff, nil)
|
||||
}
|
||||
|
||||
b.Run(fmt.Sprintf("%d-instances", len(tc.batch)), func(b *testing.B) {
|
||||
|
|
@ -2034,7 +1841,7 @@ func BenchmarkBuildMinimizedWriteRequest(b *testing.B) {
|
|||
for j := 0; j < b.N; j++ {
|
||||
populateV2TimeSeries(&symbolTable, tc.batch, seriesBuff, true, true)
|
||||
b.ResetTimer()
|
||||
req, _, _, err := buildV2WriteRequest(noopLogger, seriesBuff, symbolTable.LabelsStrings(), &pBuf, &buff, nil, "snappy")
|
||||
req, _, _, err := buildV2WriteRequest(noopLogger, seriesBuff, symbolTable.LabelsStrings(), &pBuf, &buff, nil)
|
||||
if err != nil {
|
||||
b.Fatal(err)
|
||||
}
|
||||
|
|
@ -2052,7 +1859,7 @@ func TestDropOldTimeSeries(t *testing.T) {
|
|||
nSamples := config.DefaultQueueConfig.Capacity * size
|
||||
samples, newSamples, series := createTimeseriesWithOldSamples(nSamples, nSeries)
|
||||
|
||||
// TODO(alexg): test with new version
|
||||
// TODO: test with new version
|
||||
c := NewTestWriteClient(Version1)
|
||||
c.expectSamples(newSamples, series)
|
||||
|
||||
|
|
|
|||
|
|
@ -192,21 +192,6 @@ func (rws *WriteStorage) ApplyConfig(conf *config.Config) error {
|
|||
continue
|
||||
}
|
||||
|
||||
// Work out what protocol and compression to use for this endpoint.
|
||||
// Default to Remote Write Version1.
|
||||
rwFormat := Version1
|
||||
switch rwConf.ProtocolVersion {
|
||||
case Version1:
|
||||
// We use the standard value as there's no negotiation to be had.
|
||||
case Version2:
|
||||
rwFormat = Version2
|
||||
// If this newer remote write format is enabled then we need to probe the remote server
|
||||
// to work out the desired protocol version and compressions.
|
||||
// The value of the header is kept in the client so no need to see it here.
|
||||
_ = c.probeRemoteVersions(context.Background())
|
||||
// We ignore any error here, at some point we may choose to log it.
|
||||
}
|
||||
|
||||
// Redacted to remove any passwords in the URL (that are
|
||||
// technically accepted but not recommended) since this is
|
||||
// only used for metric labels.
|
||||
|
|
@ -229,7 +214,7 @@ func (rws *WriteStorage) ApplyConfig(conf *config.Config) error {
|
|||
rws.scraper,
|
||||
rwConf.SendExemplars,
|
||||
rwConf.SendNativeHistograms,
|
||||
rwFormat,
|
||||
rwConf.ProtocolVersion,
|
||||
)
|
||||
// Keep track of which queues are new so we know which to start.
|
||||
newHashes = append(newHashes, hash)
|
||||
|
|
|
|||
|
|
@ -17,16 +17,11 @@ import (
|
|||
"context"
|
||||
"errors"
|
||||
"fmt"
|
||||
"io"
|
||||
"net/http"
|
||||
"strings"
|
||||
|
||||
"github.com/go-kit/log"
|
||||
"github.com/go-kit/log/level"
|
||||
|
||||
"github.com/gogo/protobuf/proto"
|
||||
"github.com/golang/snappy"
|
||||
|
||||
"github.com/prometheus/client_golang/prometheus"
|
||||
|
||||
"github.com/prometheus/prometheus/config"
|
||||
|
|
@ -41,74 +36,18 @@ import (
|
|||
const (
|
||||
RemoteWriteVersionHeader = "X-Prometheus-Remote-Write-Version"
|
||||
RemoteWriteVersion1HeaderValue = "0.1.0"
|
||||
RemoteWriteVersion20HeaderValue = "2.0"
|
||||
RemoteWriteVersion2HeaderValue = "2.0"
|
||||
)
|
||||
|
||||
func rwHeaderNameValues(rwFormat config.RemoteWriteFormat) map[string]string {
|
||||
// Return the correct remote write header name/values based on provided rwFormat.
|
||||
ret := make(map[string]string, 1)
|
||||
|
||||
switch rwFormat {
|
||||
case Version1:
|
||||
ret[RemoteWriteVersionHeader] = RemoteWriteVersion1HeaderValue
|
||||
case Version2:
|
||||
// We need to add the supported protocol definitions in order:
|
||||
tuples := make([]string, 0, 2)
|
||||
// Add "2.0;snappy".
|
||||
tuples = append(tuples, RemoteWriteVersion20HeaderValue+";snappy")
|
||||
// Add default "0.1.0".
|
||||
tuples = append(tuples, RemoteWriteVersion1HeaderValue)
|
||||
ret[RemoteWriteVersionHeader] = strings.Join(tuples, ",")
|
||||
}
|
||||
return ret
|
||||
}
|
||||
|
||||
type writeHeadHandler struct {
|
||||
logger log.Logger
|
||||
|
||||
remoteWrite20HeadRequests prometheus.Counter
|
||||
|
||||
// Experimental feature, new remote write proto format.
|
||||
// The handler will accept the new format, but it can still accept the old one.
|
||||
rwFormat config.RemoteWriteFormat
|
||||
}
|
||||
|
||||
func NewWriteHeadHandler(logger log.Logger, reg prometheus.Registerer, rwFormat config.RemoteWriteFormat) http.Handler {
|
||||
h := &writeHeadHandler{
|
||||
logger: logger,
|
||||
rwFormat: rwFormat,
|
||||
remoteWrite20HeadRequests: prometheus.NewCounter(prometheus.CounterOpts{
|
||||
Namespace: "prometheus",
|
||||
Subsystem: "api",
|
||||
Name: "remote_write_20_head_requests",
|
||||
Help: "The number of remote write 2.0 head requests.",
|
||||
}),
|
||||
}
|
||||
if reg != nil {
|
||||
reg.MustRegister(h.remoteWrite20HeadRequests)
|
||||
}
|
||||
return h
|
||||
}
|
||||
|
||||
func (h *writeHeadHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
||||
// Send a response to the HEAD request based on the format supported.
|
||||
|
||||
// Add appropriate header values for the specific rwFormat.
|
||||
for hName, hValue := range rwHeaderNameValues(h.rwFormat) {
|
||||
w.Header().Set(hName, hValue)
|
||||
}
|
||||
|
||||
w.WriteHeader(http.StatusOK)
|
||||
}
|
||||
|
||||
type writeHandler struct {
|
||||
logger log.Logger
|
||||
appendable storage.Appendable
|
||||
|
||||
samplesWithInvalidLabelsTotal prometheus.Counter
|
||||
|
||||
// Experimental feature, new remote write proto format.
|
||||
// The handler will accept the new format, but it can still accept the old one.
|
||||
// Experimental feature, new remote write proto format
|
||||
// The handler will accept the new format, but it can still accept the old one
|
||||
// TODO: this should eventually be via content negotiation?
|
||||
rwFormat config.RemoteWriteFormat
|
||||
}
|
||||
|
||||
|
|
@ -134,81 +73,29 @@ func NewWriteHandler(logger log.Logger, reg prometheus.Registerer, appendable st
|
|||
|
||||
func (h *writeHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
||||
var err error
|
||||
var req *prompb.WriteRequest
|
||||
var reqMinStr *writev2.WriteRequest
|
||||
|
||||
// Set the header(s) in the response based on the rwFormat the server supports.
|
||||
for hName, hValue := range rwHeaderNameValues(h.rwFormat) {
|
||||
w.Header().Set(hName, hValue)
|
||||
// TODO: this should eventually be done via content negotiation/looking at the header
|
||||
switch h.rwFormat {
|
||||
case Version1:
|
||||
req, err = DecodeWriteRequest(r.Body)
|
||||
case Version2:
|
||||
reqMinStr, err = DecodeMinimizedWriteRequestStr(r.Body)
|
||||
}
|
||||
|
||||
// Parse the headers to work out how to handle this.
|
||||
contentEncoding := r.Header.Get("Content-Encoding")
|
||||
protoVer := r.Header.Get(RemoteWriteVersionHeader)
|
||||
|
||||
switch protoVer {
|
||||
case "":
|
||||
// No header provided, assume 0.1.0 as everything that relies on later.
|
||||
protoVer = RemoteWriteVersion1HeaderValue
|
||||
case RemoteWriteVersion1HeaderValue, RemoteWriteVersion20HeaderValue:
|
||||
// We know this header, woo.
|
||||
default:
|
||||
// We have a version in the header but it is not one we recognise.
|
||||
level.Error(h.logger).Log("msg", "Error decoding remote write request", "err", "Unknown remote write version in headers", "ver", protoVer)
|
||||
// Return a 406 so that the client can choose a more appropriate protocol to use.
|
||||
http.Error(w, "Unknown remote write version in headers", http.StatusNotAcceptable)
|
||||
return
|
||||
}
|
||||
|
||||
// Deal with 0.1.0 clients that forget to send Content-Encoding.
|
||||
if protoVer == RemoteWriteVersion1HeaderValue && contentEncoding == "" {
|
||||
contentEncoding = "snappy"
|
||||
}
|
||||
|
||||
// Read the request body.
|
||||
body, err := io.ReadAll(r.Body)
|
||||
if err != nil {
|
||||
level.Error(h.logger).Log("msg", "Error decoding remote write request", "err", err.Error())
|
||||
http.Error(w, err.Error(), http.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
|
||||
// Deal with contentEncoding first.
|
||||
var decompressed []byte
|
||||
|
||||
switch contentEncoding {
|
||||
case "snappy":
|
||||
decompressed, err = snappy.Decode(nil, body)
|
||||
if err != nil {
|
||||
level.Error(h.logger).Log("msg", "Error decoding remote write request", "err", err.Error())
|
||||
http.Error(w, err.Error(), http.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
default:
|
||||
level.Error(h.logger).Log("msg", "Error decoding remote write request", "err", "Unsupported Content-Encoding", "contentEncoding", contentEncoding)
|
||||
// Return a 406 so that the client can choose a more appropriate protocol to use.
|
||||
http.Error(w, "Unsupported Content-Encoding", http.StatusNotAcceptable)
|
||||
return
|
||||
}
|
||||
|
||||
// Now we have a decompressed buffer we can unmarshal it.
|
||||
// At this point we are happy with the version but need to check the encoding.
|
||||
switch protoVer {
|
||||
case RemoteWriteVersion1HeaderValue:
|
||||
var req prompb.WriteRequest
|
||||
if err := proto.Unmarshal(decompressed, &req); err != nil {
|
||||
level.Error(h.logger).Log("msg", "Error decoding remote write request", "err", err.Error())
|
||||
http.Error(w, err.Error(), http.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
err = h.write(r.Context(), &req)
|
||||
case RemoteWriteVersion20HeaderValue:
|
||||
// 2.0 request.
|
||||
var reqMinStr writev2.WriteRequest
|
||||
if err := proto.Unmarshal(decompressed, &reqMinStr); err != nil {
|
||||
level.Error(h.logger).Log("msg", "Error decoding remote write request", "err", err.Error())
|
||||
http.Error(w, err.Error(), http.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
err = h.writeMinStr(r.Context(), &reqMinStr)
|
||||
// TODO: this should eventually be done detecting the format version above
|
||||
switch h.rwFormat {
|
||||
case Version1:
|
||||
err = h.write(r.Context(), req)
|
||||
case Version2:
|
||||
err = h.writeMinStr(r.Context(), reqMinStr)
|
||||
}
|
||||
|
||||
switch {
|
||||
|
|
|
|||
|
|
@ -39,94 +39,15 @@ import (
|
|||
"github.com/prometheus/prometheus/util/testutil"
|
||||
)
|
||||
|
||||
func TestRemoteWriteHeadHandler(t *testing.T) {
|
||||
handler := NewWriteHeadHandler(log.NewNopLogger(), nil, Version2)
|
||||
|
||||
req, err := http.NewRequest(http.MethodHead, "", nil)
|
||||
require.NoError(t, err)
|
||||
|
||||
recorder := httptest.NewRecorder()
|
||||
handler.ServeHTTP(recorder, req)
|
||||
|
||||
resp := recorder.Result()
|
||||
require.Equal(t, http.StatusOK, resp.StatusCode)
|
||||
|
||||
// Check header is expected value.
|
||||
protHeader := resp.Header.Get(RemoteWriteVersionHeader)
|
||||
require.Equal(t, "2.0;snappy,0.1.0", protHeader)
|
||||
}
|
||||
|
||||
func TestRemoteWriteHandlerMinimizedMissingContentEncoding(t *testing.T) {
|
||||
// Send a v2 request without a "Content-Encoding:" header -> 406.
|
||||
buf, _, _, err := buildV2WriteRequest(log.NewNopLogger(), writeRequestMinimizedFixture.Timeseries, writeRequestMinimizedFixture.Symbols, nil, nil, nil, "snappy")
|
||||
require.NoError(t, err)
|
||||
|
||||
req, err := http.NewRequest("", "", bytes.NewReader(buf))
|
||||
req.Header.Set(RemoteWriteVersionHeader, RemoteWriteVersion20HeaderValue)
|
||||
// Do not provide "Content-Encoding: snappy" header.
|
||||
// req.Header.Set("Content-Encoding", "snappy")
|
||||
require.NoError(t, err)
|
||||
|
||||
appendable := &mockAppendable{}
|
||||
handler := NewWriteHandler(log.NewNopLogger(), nil, appendable, Version2)
|
||||
|
||||
recorder := httptest.NewRecorder()
|
||||
handler.ServeHTTP(recorder, req)
|
||||
|
||||
resp := recorder.Result()
|
||||
// Should give us a 406.
|
||||
require.Equal(t, http.StatusNotAcceptable, resp.StatusCode)
|
||||
}
|
||||
|
||||
func TestRemoteWriteHandlerInvalidCompression(t *testing.T) {
|
||||
// Send a v2 request without an unhandled compression scheme -> 406.
|
||||
buf, _, _, err := buildV2WriteRequest(log.NewNopLogger(), writeRequestMinimizedFixture.Timeseries, writeRequestMinimizedFixture.Symbols, nil, nil, nil, "snappy")
|
||||
require.NoError(t, err)
|
||||
|
||||
req, err := http.NewRequest("", "", bytes.NewReader(buf))
|
||||
req.Header.Set(RemoteWriteVersionHeader, RemoteWriteVersion20HeaderValue)
|
||||
req.Header.Set("Content-Encoding", "zstd")
|
||||
require.NoError(t, err)
|
||||
|
||||
appendable := &mockAppendable{}
|
||||
handler := NewWriteHandler(log.NewNopLogger(), nil, appendable, Version2)
|
||||
|
||||
recorder := httptest.NewRecorder()
|
||||
handler.ServeHTTP(recorder, req)
|
||||
|
||||
resp := recorder.Result()
|
||||
// Expect a 406.
|
||||
require.Equal(t, http.StatusNotAcceptable, resp.StatusCode)
|
||||
}
|
||||
|
||||
func TestRemoteWriteHandlerInvalidVersion(t *testing.T) {
|
||||
// Send a protocol version number that isn't recognised/supported -> 406.
|
||||
buf, _, _, err := buildV2WriteRequest(log.NewNopLogger(), writeRequestMinimizedFixture.Timeseries, writeRequestMinimizedFixture.Symbols, nil, nil, nil, "snappy")
|
||||
require.NoError(t, err)
|
||||
|
||||
req, err := http.NewRequest("", "", bytes.NewReader(buf))
|
||||
req.Header.Set(RemoteWriteVersionHeader, "3.0")
|
||||
require.NoError(t, err)
|
||||
|
||||
appendable := &mockAppendable{}
|
||||
handler := NewWriteHandler(log.NewNopLogger(), nil, appendable, Version2)
|
||||
|
||||
recorder := httptest.NewRecorder()
|
||||
handler.ServeHTTP(recorder, req)
|
||||
|
||||
resp := recorder.Result()
|
||||
// Expect a 406.
|
||||
require.Equal(t, http.StatusNotAcceptable, resp.StatusCode)
|
||||
}
|
||||
|
||||
func TestRemoteWriteHandler(t *testing.T) {
|
||||
buf, _, _, err := buildWriteRequest(nil, writeRequestFixture.Timeseries, nil, nil, nil, nil, "snappy")
|
||||
buf, _, _, err := buildWriteRequest(nil, writeRequestFixture.Timeseries, nil, nil, nil, nil)
|
||||
require.NoError(t, err)
|
||||
|
||||
req, err := http.NewRequest("", "", bytes.NewReader(buf))
|
||||
require.NoError(t, err)
|
||||
|
||||
appendable := &mockAppendable{}
|
||||
// TODO: test with other proto format(s)
|
||||
handler := NewWriteHandler(log.NewNopLogger(), nil, appendable, Version1)
|
||||
|
||||
recorder := httptest.NewRecorder()
|
||||
|
|
@ -135,10 +56,6 @@ func TestRemoteWriteHandler(t *testing.T) {
|
|||
resp := recorder.Result()
|
||||
require.Equal(t, http.StatusNoContent, resp.StatusCode)
|
||||
|
||||
// Check header is expected value.
|
||||
protHeader := resp.Header.Get(RemoteWriteVersionHeader)
|
||||
require.Equal(t, "0.1.0", protHeader)
|
||||
|
||||
i := 0
|
||||
j := 0
|
||||
k := 0
|
||||
|
|
@ -170,17 +87,16 @@ func TestRemoteWriteHandler(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestRemoteWriteHandlerMinimizedFormat(t *testing.T) {
|
||||
buf, _, _, err := buildV2WriteRequest(log.NewNopLogger(), writeRequestMinimizedFixture.Timeseries, writeRequestMinimizedFixture.Symbols, nil, nil, nil, "snappy")
|
||||
buf, _, _, err := buildV2WriteRequest(log.NewNopLogger(), writeRequestMinimizedFixture.Timeseries, writeRequestMinimizedFixture.Symbols, nil, nil, nil)
|
||||
require.NoError(t, err)
|
||||
|
||||
req, err := http.NewRequest("", "", bytes.NewReader(buf))
|
||||
req.Header.Set(RemoteWriteVersionHeader, RemoteWriteVersion20HeaderValue)
|
||||
// Must provide "Content-Encoding: snappy" header.
|
||||
req.Header.Set("Content-Encoding", "snappy")
|
||||
req.Header.Set(RemoteWriteVersionHeader, RemoteWriteVersion2HeaderValue)
|
||||
require.NoError(t, err)
|
||||
|
||||
appendable := &mockAppendable{}
|
||||
handler := NewWriteHandler(log.NewNopLogger(), nil, appendable, Version2)
|
||||
// TODO: test with other proto format(s)
|
||||
handler := NewWriteHandler(nil, nil, appendable, Version2)
|
||||
|
||||
recorder := httptest.NewRecorder()
|
||||
handler.ServeHTTP(recorder, req)
|
||||
|
|
@ -188,10 +104,6 @@ func TestRemoteWriteHandlerMinimizedFormat(t *testing.T) {
|
|||
resp := recorder.Result()
|
||||
require.Equal(t, http.StatusNoContent, resp.StatusCode)
|
||||
|
||||
// Check header is expected value.
|
||||
protHeader := resp.Header.Get(RemoteWriteVersionHeader)
|
||||
require.Equal(t, "2.0;snappy,0.1.0", protHeader)
|
||||
|
||||
i := 0
|
||||
j := 0
|
||||
k := 0
|
||||
|
|
@ -230,7 +142,7 @@ func TestOutOfOrderSample(t *testing.T) {
|
|||
buf, _, _, err := buildWriteRequest(nil, []prompb.TimeSeries{{
|
||||
Labels: []prompb.Label{{Name: "__name__", Value: "test_metric"}},
|
||||
Samples: []prompb.Sample{{Value: 1, Timestamp: 0}},
|
||||
}}, nil, nil, nil, nil, "snappy")
|
||||
}}, nil, nil, nil, nil)
|
||||
require.NoError(t, err)
|
||||
|
||||
req, err := http.NewRequest("", "", bytes.NewReader(buf))
|
||||
|
|
@ -256,7 +168,7 @@ func TestOutOfOrderExemplar(t *testing.T) {
|
|||
buf, _, _, err := buildWriteRequest(nil, []prompb.TimeSeries{{
|
||||
Labels: []prompb.Label{{Name: "__name__", Value: "test_metric"}},
|
||||
Exemplars: []prompb.Exemplar{{Labels: []prompb.Label{{Name: "foo", Value: "bar"}}, Value: 1, Timestamp: 0}},
|
||||
}}, nil, nil, nil, nil, "snappy")
|
||||
}}, nil, nil, nil, nil)
|
||||
require.NoError(t, err)
|
||||
|
||||
req, err := http.NewRequest("", "", bytes.NewReader(buf))
|
||||
|
|
@ -280,7 +192,7 @@ func TestOutOfOrderHistogram(t *testing.T) {
|
|||
buf, _, _, err := buildWriteRequest(nil, []prompb.TimeSeries{{
|
||||
Labels: []prompb.Label{{Name: "__name__", Value: "test_metric"}},
|
||||
Histograms: []prompb.Histogram{HistogramToHistogramProto(0, &testHistogram), FloatHistogramToHistogramProto(1, testHistogram.ToFloat(nil))},
|
||||
}}, nil, nil, nil, nil, "snappy")
|
||||
}}, nil, nil, nil, nil)
|
||||
require.NoError(t, err)
|
||||
|
||||
req, err := http.NewRequest("", "", bytes.NewReader(buf))
|
||||
|
|
@ -310,7 +222,7 @@ func BenchmarkRemoteWritehandler(b *testing.B) {
|
|||
{Name: "test_label_name_" + num, Value: labelValue + num},
|
||||
},
|
||||
Histograms: []prompb.Histogram{HistogramToHistogramProto(0, &testHistogram)},
|
||||
}}, nil, nil, nil, nil, "snappy")
|
||||
}}, nil, nil, nil, nil)
|
||||
require.NoError(b, err)
|
||||
req, err := http.NewRequest("", "", bytes.NewReader(buf))
|
||||
require.NoError(b, err)
|
||||
|
|
@ -329,7 +241,7 @@ func BenchmarkRemoteWritehandler(b *testing.B) {
|
|||
}
|
||||
|
||||
func TestCommitErr(t *testing.T) {
|
||||
buf, _, _, err := buildWriteRequest(nil, writeRequestFixture.Timeseries, nil, nil, nil, nil, "snappy")
|
||||
buf, _, _, err := buildWriteRequest(nil, writeRequestFixture.Timeseries, nil, nil, nil, nil)
|
||||
require.NoError(t, err)
|
||||
|
||||
req, err := http.NewRequest("", "", bytes.NewReader(buf))
|
||||
|
|
@ -368,7 +280,7 @@ func BenchmarkRemoteWriteOOOSamples(b *testing.B) {
|
|||
// TODO: test with other proto format(s)
|
||||
handler := NewWriteHandler(log.NewNopLogger(), nil, db.Head(), Version1)
|
||||
|
||||
buf, _, _, err := buildWriteRequest(nil, genSeriesWithSample(1000, 200*time.Minute.Milliseconds()), nil, nil, nil, nil, "snappy")
|
||||
buf, _, _, err := buildWriteRequest(nil, genSeriesWithSample(1000, 200*time.Minute.Milliseconds()), nil, nil, nil, nil)
|
||||
require.NoError(b, err)
|
||||
|
||||
req, err := http.NewRequest("", "", bytes.NewReader(buf))
|
||||
|
|
@ -381,7 +293,7 @@ func BenchmarkRemoteWriteOOOSamples(b *testing.B) {
|
|||
|
||||
var bufRequests [][]byte
|
||||
for i := 0; i < 100; i++ {
|
||||
buf, _, _, err = buildWriteRequest(nil, genSeriesWithSample(1000, int64(80+i)*time.Minute.Milliseconds()), nil, nil, nil, nil, "snappy")
|
||||
buf, _, _, err = buildWriteRequest(nil, genSeriesWithSample(1000, int64(80+i)*time.Minute.Milliseconds()), nil, nil, nil, nil)
|
||||
require.NoError(b, err)
|
||||
bufRequests = append(bufRequests, buf)
|
||||
}
|
||||
|
|
|
|||
|
|
@ -217,7 +217,6 @@ type API struct {
|
|||
isAgent bool
|
||||
statsRenderer StatsRenderer
|
||||
|
||||
remoteWriteHeadHandler http.Handler
|
||||
remoteWriteHandler http.Handler
|
||||
remoteReadHandler http.Handler
|
||||
otlpWriteHandler http.Handler
|
||||
|
|
@ -297,20 +296,7 @@ func NewAPI(
|
|||
}
|
||||
|
||||
if rwEnabled {
|
||||
// TODO(alexg) - Two phase rwFormat rollout needs to create handlers with flag for advertising.
|
||||
// For rollout we do two phases:
|
||||
// 0. (Before) no flags set
|
||||
// 1. (During) support new protocols but don't advertise
|
||||
// <wait until all servers have rolled out and now support RW2.0>
|
||||
// 2. (After) support new protocols and advertise
|
||||
//
|
||||
// For rollback the two phases are:
|
||||
// 0. (Before) support new protocols and advertise
|
||||
// 1. (During) support new protocols but don't advertise
|
||||
// <wait a suitable period for all sending clients to be aware that receiving servers no longer support 2.0>
|
||||
// 2. (After) no flags set
|
||||
a.remoteWriteHandler = remote.NewWriteHandler(logger, registerer, ap, rwFormat)
|
||||
a.remoteWriteHeadHandler = remote.NewWriteHeadHandler(logger, registerer, rwFormat)
|
||||
}
|
||||
if otlpEnabled {
|
||||
a.otlpWriteHandler = remote.NewOTLPWriteHandler(logger, ap)
|
||||
|
|
@ -407,7 +393,6 @@ func (api *API) Register(r *route.Router) {
|
|||
r.Get("/status/walreplay", api.serveWALReplayStatus)
|
||||
r.Post("/read", api.ready(api.remoteRead))
|
||||
r.Post("/write", api.ready(api.remoteWrite))
|
||||
r.Head("/write", api.remoteWriteHead)
|
||||
r.Post("/otlp/v1/metrics", api.ready(api.otlpWrite))
|
||||
|
||||
r.Get("/alerts", wrapAgent(api.alerts))
|
||||
|
|
@ -1631,14 +1616,6 @@ func (api *API) remoteRead(w http.ResponseWriter, r *http.Request) {
|
|||
}
|
||||
}
|
||||
|
||||
func (api *API) remoteWriteHead(w http.ResponseWriter, r *http.Request) {
|
||||
if api.remoteWriteHeadHandler != nil {
|
||||
api.remoteWriteHeadHandler.ServeHTTP(w, r)
|
||||
} else {
|
||||
http.Error(w, "remote write receiver needs to be enabled with --web.enable-remote-write-receiver", http.StatusNotFound)
|
||||
}
|
||||
}
|
||||
|
||||
func (api *API) remoteWrite(w http.ResponseWriter, r *http.Request) {
|
||||
if api.remoteWriteHandler != nil {
|
||||
api.remoteWriteHandler.ServeHTTP(w, r)
|
||||
|
|
|
|||
|
|
@ -337,48 +337,6 @@ var sampleFlagMap = map[string]string{
|
|||
"flag2": "value2",
|
||||
}
|
||||
|
||||
func TestHeadEndpoint(t *testing.T) {
|
||||
for _, tc := range []struct {
|
||||
name string
|
||||
rwFormat config.RemoteWriteFormat
|
||||
expectedStatusCode int
|
||||
expectedHeaderValue string
|
||||
}{
|
||||
{
|
||||
name: "HEAD Version 1",
|
||||
rwFormat: remote.Version1,
|
||||
expectedStatusCode: http.StatusOK,
|
||||
expectedHeaderValue: "0.1.0",
|
||||
},
|
||||
{
|
||||
name: "HEAD Version 2",
|
||||
rwFormat: remote.Version2,
|
||||
expectedStatusCode: http.StatusOK,
|
||||
expectedHeaderValue: "2.0;snappy,0.1.0",
|
||||
},
|
||||
} {
|
||||
r := route.New()
|
||||
api := &API{
|
||||
remoteWriteHeadHandler: remote.NewWriteHeadHandler(log.NewNopLogger(), nil, tc.rwFormat),
|
||||
ready: func(f http.HandlerFunc) http.HandlerFunc { return f },
|
||||
}
|
||||
api.Register(r)
|
||||
|
||||
s := httptest.NewServer(r)
|
||||
defer s.Close()
|
||||
|
||||
req, err := http.NewRequest("HEAD", s.URL+"/write", nil)
|
||||
require.NoError(t, err, "Error creating HEAD request")
|
||||
client := &http.Client{}
|
||||
resp, err := client.Do(req)
|
||||
require.NoError(t, err, "Error executing HEAD request")
|
||||
require.Equal(t, tc.expectedStatusCode, resp.StatusCode)
|
||||
|
||||
promHeader := resp.Header.Get(remote.RemoteWriteVersionHeader)
|
||||
require.Equal(t, tc.expectedHeaderValue, promHeader)
|
||||
}
|
||||
}
|
||||
|
||||
func TestEndpoints(t *testing.T) {
|
||||
storage := promql.LoadedStorage(t, `
|
||||
load 1m
|
||||
|
|
|
|||
Loading…
Reference in a new issue