mirror of
https://github.com/prometheus/prometheus.git
synced 2024-11-09 23:24:05 -08:00
1304 lines
46 KiB
Go
1304 lines
46 KiB
Go
// Copyright 2015 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"bytes"
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"math"
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"net/http"
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"net/url"
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"os"
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"path/filepath"
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"sort"
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"strconv"
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"strings"
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"text/tabwriter"
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"time"
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"github.com/alecthomas/kingpin/v2"
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"github.com/go-kit/log"
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"github.com/google/pprof/profile"
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"github.com/prometheus/client_golang/api"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/testutil/promlint"
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config_util "github.com/prometheus/common/config"
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"github.com/prometheus/common/model"
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"github.com/prometheus/common/version"
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"github.com/prometheus/exporter-toolkit/web"
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"gopkg.in/yaml.v2"
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dto "github.com/prometheus/client_model/go"
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promconfig "github.com/prometheus/common/config"
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"github.com/prometheus/common/expfmt"
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"github.com/prometheus/prometheus/config"
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"github.com/prometheus/prometheus/discovery"
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"github.com/prometheus/prometheus/discovery/file"
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"github.com/prometheus/prometheus/discovery/kubernetes"
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"github.com/prometheus/prometheus/discovery/targetgroup"
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"github.com/prometheus/prometheus/model/labels"
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"github.com/prometheus/prometheus/model/rulefmt"
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"github.com/prometheus/prometheus/notifier"
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_ "github.com/prometheus/prometheus/plugins" // Register plugins.
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"github.com/prometheus/prometheus/promql/parser"
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"github.com/prometheus/prometheus/promql/promqltest"
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"github.com/prometheus/prometheus/scrape"
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"github.com/prometheus/prometheus/util/documentcli"
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)
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const (
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successExitCode = 0
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failureExitCode = 1
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// Exit code 3 is used for "one or more lint issues detected".
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lintErrExitCode = 3
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lintOptionAll = "all"
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lintOptionDuplicateRules = "duplicate-rules"
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lintOptionNone = "none"
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checkHealth = "/-/healthy"
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checkReadiness = "/-/ready"
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)
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var lintOptions = []string{lintOptionAll, lintOptionDuplicateRules, lintOptionNone}
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func main() {
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var (
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httpRoundTripper = api.DefaultRoundTripper
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serverURL *url.URL
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remoteWriteURL *url.URL
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httpConfigFilePath string
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)
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ctx := context.Background()
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app := kingpin.New(filepath.Base(os.Args[0]), "Tooling for the Prometheus monitoring system.").UsageWriter(os.Stdout)
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app.Version(version.Print("promtool"))
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app.HelpFlag.Short('h')
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checkCmd := app.Command("check", "Check the resources for validity.")
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experimental := app.Flag("experimental", "Enable experimental commands.").Bool()
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sdCheckCmd := checkCmd.Command("service-discovery", "Perform service discovery for the given job name and report the results, including relabeling.")
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sdConfigFile := sdCheckCmd.Arg("config-file", "The prometheus config file.").Required().ExistingFile()
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sdJobName := sdCheckCmd.Arg("job", "The job to run service discovery for.").Required().String()
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sdTimeout := sdCheckCmd.Flag("timeout", "The time to wait for discovery results.").Default("30s").Duration()
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checkConfigCmd := checkCmd.Command("config", "Check if the config files are valid or not.")
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configFiles := checkConfigCmd.Arg(
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"config-files",
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"The config files to check.",
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).Required().ExistingFiles()
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checkConfigSyntaxOnly := checkConfigCmd.Flag("syntax-only", "Only check the config file syntax, ignoring file and content validation referenced in the config").Bool()
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checkConfigLint := checkConfigCmd.Flag(
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"lint",
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"Linting checks to apply to the rules specified in the config. Available options are: "+strings.Join(lintOptions, ", ")+". Use --lint=none to disable linting",
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).Default(lintOptionDuplicateRules).String()
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checkConfigLintFatal := checkConfigCmd.Flag(
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"lint-fatal",
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"Make lint errors exit with exit code 3.").Default("false").Bool()
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checkWebConfigCmd := checkCmd.Command("web-config", "Check if the web config files are valid or not.")
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webConfigFiles := checkWebConfigCmd.Arg(
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"web-config-files",
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"The config files to check.",
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).Required().ExistingFiles()
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checkServerHealthCmd := checkCmd.Command("healthy", "Check if the Prometheus server is healthy.")
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checkServerHealthCmd.Flag("http.config.file", "HTTP client configuration file for promtool to connect to Prometheus.").PlaceHolder("<filename>").ExistingFileVar(&httpConfigFilePath)
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checkServerHealthCmd.Flag("url", "The URL for the Prometheus server.").Default("http://localhost:9090").URLVar(&serverURL)
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checkServerReadyCmd := checkCmd.Command("ready", "Check if the Prometheus server is ready.")
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checkServerReadyCmd.Flag("http.config.file", "HTTP client configuration file for promtool to connect to Prometheus.").PlaceHolder("<filename>").ExistingFileVar(&httpConfigFilePath)
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checkServerReadyCmd.Flag("url", "The URL for the Prometheus server.").Default("http://localhost:9090").URLVar(&serverURL)
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checkRulesCmd := checkCmd.Command("rules", "Check if the rule files are valid or not.")
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ruleFiles := checkRulesCmd.Arg(
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"rule-files",
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"The rule files to check, default is read from standard input.",
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).ExistingFiles()
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checkRulesLint := checkRulesCmd.Flag(
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"lint",
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"Linting checks to apply. Available options are: "+strings.Join(lintOptions, ", ")+". Use --lint=none to disable linting",
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).Default(lintOptionDuplicateRules).String()
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checkRulesLintFatal := checkRulesCmd.Flag(
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"lint-fatal",
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"Make lint errors exit with exit code 3.").Default("false").Bool()
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checkMetricsCmd := checkCmd.Command("metrics", checkMetricsUsage)
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checkMetricsExtended := checkCmd.Flag("extended", "Print extended information related to the cardinality of the metrics.").Bool()
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agentMode := checkConfigCmd.Flag("agent", "Check config file for Prometheus in Agent mode.").Bool()
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queryCmd := app.Command("query", "Run query against a Prometheus server.")
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queryCmdFmt := queryCmd.Flag("format", "Output format of the query.").Short('o').Default("promql").Enum("promql", "json")
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queryCmd.Flag("http.config.file", "HTTP client configuration file for promtool to connect to Prometheus.").PlaceHolder("<filename>").ExistingFileVar(&httpConfigFilePath)
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queryInstantCmd := queryCmd.Command("instant", "Run instant query.")
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queryInstantCmd.Arg("server", "Prometheus server to query.").Required().URLVar(&serverURL)
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queryInstantExpr := queryInstantCmd.Arg("expr", "PromQL query expression.").Required().String()
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queryInstantTime := queryInstantCmd.Flag("time", "Query evaluation time (RFC3339 or Unix timestamp).").String()
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queryRangeCmd := queryCmd.Command("range", "Run range query.")
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queryRangeCmd.Arg("server", "Prometheus server to query.").Required().URLVar(&serverURL)
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queryRangeExpr := queryRangeCmd.Arg("expr", "PromQL query expression.").Required().String()
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queryRangeHeaders := queryRangeCmd.Flag("header", "Extra headers to send to server.").StringMap()
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queryRangeBegin := queryRangeCmd.Flag("start", "Query range start time (RFC3339 or Unix timestamp).").String()
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queryRangeEnd := queryRangeCmd.Flag("end", "Query range end time (RFC3339 or Unix timestamp).").String()
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queryRangeStep := queryRangeCmd.Flag("step", "Query step size (duration).").Duration()
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querySeriesCmd := queryCmd.Command("series", "Run series query.")
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querySeriesCmd.Arg("server", "Prometheus server to query.").Required().URLVar(&serverURL)
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querySeriesMatch := querySeriesCmd.Flag("match", "Series selector. Can be specified multiple times.").Required().Strings()
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querySeriesBegin := querySeriesCmd.Flag("start", "Start time (RFC3339 or Unix timestamp).").String()
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querySeriesEnd := querySeriesCmd.Flag("end", "End time (RFC3339 or Unix timestamp).").String()
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debugCmd := app.Command("debug", "Fetch debug information.")
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debugPprofCmd := debugCmd.Command("pprof", "Fetch profiling debug information.")
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debugPprofServer := debugPprofCmd.Arg("server", "Prometheus server to get pprof files from.").Required().String()
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debugMetricsCmd := debugCmd.Command("metrics", "Fetch metrics debug information.")
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debugMetricsServer := debugMetricsCmd.Arg("server", "Prometheus server to get metrics from.").Required().String()
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debugAllCmd := debugCmd.Command("all", "Fetch all debug information.")
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debugAllServer := debugAllCmd.Arg("server", "Prometheus server to get all debug information from.").Required().String()
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queryLabelsCmd := queryCmd.Command("labels", "Run labels query.")
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queryLabelsCmd.Arg("server", "Prometheus server to query.").Required().URLVar(&serverURL)
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queryLabelsName := queryLabelsCmd.Arg("name", "Label name to provide label values for.").Required().String()
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queryLabelsBegin := queryLabelsCmd.Flag("start", "Start time (RFC3339 or Unix timestamp).").String()
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queryLabelsEnd := queryLabelsCmd.Flag("end", "End time (RFC3339 or Unix timestamp).").String()
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queryLabelsMatch := queryLabelsCmd.Flag("match", "Series selector. Can be specified multiple times.").Strings()
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queryAnalyzeCfg := &QueryAnalyzeConfig{}
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queryAnalyzeCmd := queryCmd.Command("analyze", "Run queries against your Prometheus to analyze the usage pattern of certain metrics.")
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queryAnalyzeCmd.Flag("server", "Prometheus server to query.").Required().URLVar(&serverURL)
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queryAnalyzeCmd.Flag("type", "Type of metric: histogram.").Required().StringVar(&queryAnalyzeCfg.metricType)
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queryAnalyzeCmd.Flag("duration", "Time frame to analyze.").Default("1h").DurationVar(&queryAnalyzeCfg.duration)
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queryAnalyzeCmd.Flag("time", "Query time (RFC3339 or Unix timestamp), defaults to now.").StringVar(&queryAnalyzeCfg.time)
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queryAnalyzeCmd.Flag("match", "Series selector. Can be specified multiple times.").Required().StringsVar(&queryAnalyzeCfg.matchers)
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pushCmd := app.Command("push", "Push to a Prometheus server.")
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pushCmd.Flag("http.config.file", "HTTP client configuration file for promtool to connect to Prometheus.").PlaceHolder("<filename>").ExistingFileVar(&httpConfigFilePath)
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pushMetricsCmd := pushCmd.Command("metrics", "Push metrics to a prometheus remote write (for testing purpose only).")
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pushMetricsCmd.Arg("remote-write-url", "Prometheus remote write url to push metrics.").Required().URLVar(&remoteWriteURL)
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metricFiles := pushMetricsCmd.Arg(
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"metric-files",
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"The metric files to push, default is read from standard input.",
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).ExistingFiles()
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pushMetricsLabels := pushMetricsCmd.Flag("label", "Label to attach to metrics. Can be specified multiple times.").Default("job=promtool").StringMap()
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pushMetricsTimeout := pushMetricsCmd.Flag("timeout", "The time to wait for pushing metrics.").Default("30s").Duration()
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pushMetricsHeaders := pushMetricsCmd.Flag("header", "Prometheus remote write header.").StringMap()
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testCmd := app.Command("test", "Unit testing.")
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junitOutFile := testCmd.Flag("junit", "File path to store JUnit XML test results.").OpenFile(os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0o644)
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testRulesCmd := testCmd.Command("rules", "Unit tests for rules.")
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testRulesRun := testRulesCmd.Flag("run", "If set, will only run test groups whose names match the regular expression. Can be specified multiple times.").Strings()
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testRulesFiles := testRulesCmd.Arg(
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"test-rule-file",
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"The unit test file.",
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).Required().ExistingFiles()
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testRulesDiff := testRulesCmd.Flag("diff", "[Experimental] Print colored differential output between expected & received output.").Default("false").Bool()
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defaultDBPath := "data/"
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tsdbCmd := app.Command("tsdb", "Run tsdb commands.")
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tsdbBenchCmd := tsdbCmd.Command("bench", "Run benchmarks.")
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tsdbBenchWriteCmd := tsdbBenchCmd.Command("write", "Run a write performance benchmark.")
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benchWriteOutPath := tsdbBenchWriteCmd.Flag("out", "Set the output path.").Default("benchout").String()
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benchWriteNumMetrics := tsdbBenchWriteCmd.Flag("metrics", "Number of metrics to read.").Default("10000").Int()
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benchWriteNumScrapes := tsdbBenchWriteCmd.Flag("scrapes", "Number of scrapes to simulate.").Default("3000").Int()
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benchSamplesFile := tsdbBenchWriteCmd.Arg("file", "Input file with samples data, default is ("+filepath.Join("..", "..", "tsdb", "testdata", "20kseries.json")+").").Default(filepath.Join("..", "..", "tsdb", "testdata", "20kseries.json")).String()
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tsdbAnalyzeCmd := tsdbCmd.Command("analyze", "Analyze churn, label pair cardinality and compaction efficiency.")
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analyzePath := tsdbAnalyzeCmd.Arg("db path", "Database path (default is "+defaultDBPath+").").Default(defaultDBPath).String()
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analyzeBlockID := tsdbAnalyzeCmd.Arg("block id", "Block to analyze (default is the last block).").String()
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analyzeLimit := tsdbAnalyzeCmd.Flag("limit", "How many items to show in each list.").Default("20").Int()
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analyzeRunExtended := tsdbAnalyzeCmd.Flag("extended", "Run extended analysis.").Bool()
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analyzeMatchers := tsdbAnalyzeCmd.Flag("match", "Series selector to analyze. Only 1 set of matchers is supported now.").String()
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tsdbListCmd := tsdbCmd.Command("list", "List tsdb blocks.")
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listHumanReadable := tsdbListCmd.Flag("human-readable", "Print human readable values.").Short('r').Bool()
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listPath := tsdbListCmd.Arg("db path", "Database path (default is "+defaultDBPath+").").Default(defaultDBPath).String()
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tsdbDumpCmd := tsdbCmd.Command("dump", "Dump samples from a TSDB.")
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dumpPath := tsdbDumpCmd.Arg("db path", "Database path (default is "+defaultDBPath+").").Default(defaultDBPath).String()
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dumpSandboxDirRoot := tsdbDumpCmd.Flag("sandbox-dir-root", "Root directory where a sandbox directory will be created, this sandbox is used in case WAL replay generates chunks (default is the database path). The sandbox is cleaned up at the end.").String()
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dumpMinTime := tsdbDumpCmd.Flag("min-time", "Minimum timestamp to dump.").Default(strconv.FormatInt(math.MinInt64, 10)).Int64()
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dumpMaxTime := tsdbDumpCmd.Flag("max-time", "Maximum timestamp to dump.").Default(strconv.FormatInt(math.MaxInt64, 10)).Int64()
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dumpMatch := tsdbDumpCmd.Flag("match", "Series selector. Can be specified multiple times.").Default("{__name__=~'(?s:.*)'}").Strings()
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tsdbDumpOpenMetricsCmd := tsdbCmd.Command("dump-openmetrics", "[Experimental] Dump samples from a TSDB into OpenMetrics text format, excluding native histograms and staleness markers, which are not representable in OpenMetrics.")
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dumpOpenMetricsPath := tsdbDumpOpenMetricsCmd.Arg("db path", "Database path (default is "+defaultDBPath+").").Default(defaultDBPath).String()
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dumpOpenMetricsSandboxDirRoot := tsdbDumpOpenMetricsCmd.Flag("sandbox-dir-root", "Root directory where a sandbox directory will be created, this sandbox is used in case WAL replay generates chunks (default is the database path). The sandbox is cleaned up at the end.").String()
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dumpOpenMetricsMinTime := tsdbDumpOpenMetricsCmd.Flag("min-time", "Minimum timestamp to dump.").Default(strconv.FormatInt(math.MinInt64, 10)).Int64()
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dumpOpenMetricsMaxTime := tsdbDumpOpenMetricsCmd.Flag("max-time", "Maximum timestamp to dump.").Default(strconv.FormatInt(math.MaxInt64, 10)).Int64()
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dumpOpenMetricsMatch := tsdbDumpOpenMetricsCmd.Flag("match", "Series selector. Can be specified multiple times.").Default("{__name__=~'(?s:.*)'}").Strings()
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importCmd := tsdbCmd.Command("create-blocks-from", "[Experimental] Import samples from input and produce TSDB blocks. Please refer to the storage docs for more details.")
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importHumanReadable := importCmd.Flag("human-readable", "Print human readable values.").Short('r').Bool()
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importQuiet := importCmd.Flag("quiet", "Do not print created blocks.").Short('q').Bool()
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maxBlockDuration := importCmd.Flag("max-block-duration", "Maximum duration created blocks may span. Anything less than 2h is ignored.").Hidden().PlaceHolder("<duration>").Duration()
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openMetricsImportCmd := importCmd.Command("openmetrics", "Import samples from OpenMetrics input and produce TSDB blocks. Please refer to the storage docs for more details.")
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openMetricsLabels := openMetricsImportCmd.Flag("label", "Label to attach to metrics. Can be specified multiple times. Example --label=label_name=label_value").StringMap()
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importFilePath := openMetricsImportCmd.Arg("input file", "OpenMetrics file to read samples from.").Required().String()
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importDBPath := openMetricsImportCmd.Arg("output directory", "Output directory for generated blocks.").Default(defaultDBPath).String()
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importRulesCmd := importCmd.Command("rules", "Create blocks of data for new recording rules.")
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importRulesCmd.Flag("http.config.file", "HTTP client configuration file for promtool to connect to Prometheus.").PlaceHolder("<filename>").ExistingFileVar(&httpConfigFilePath)
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importRulesCmd.Flag("url", "The URL for the Prometheus API with the data where the rule will be backfilled from.").Default("http://localhost:9090").URLVar(&serverURL)
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importRulesStart := importRulesCmd.Flag("start", "The time to start backfilling the new rule from. Must be a RFC3339 formatted date or Unix timestamp. Required.").
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Required().String()
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importRulesEnd := importRulesCmd.Flag("end", "If an end time is provided, all recording rules in the rule files provided will be backfilled to the end time. Default will backfill up to 3 hours ago. Must be a RFC3339 formatted date or Unix timestamp.").String()
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importRulesOutputDir := importRulesCmd.Flag("output-dir", "Output directory for generated blocks.").Default("data/").String()
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importRulesEvalInterval := importRulesCmd.Flag("eval-interval", "How frequently to evaluate rules when backfilling if a value is not set in the recording rule files.").
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Default("60s").Duration()
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importRulesFiles := importRulesCmd.Arg(
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"rule-files",
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"A list of one or more files containing recording rules to be backfilled. All recording rules listed in the files will be backfilled. Alerting rules are not evaluated.",
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).Required().ExistingFiles()
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promQLCmd := app.Command("promql", "PromQL formatting and editing. Requires the --experimental flag.")
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promQLFormatCmd := promQLCmd.Command("format", "Format PromQL query to pretty printed form.")
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promQLFormatQuery := promQLFormatCmd.Arg("query", "PromQL query.").Required().String()
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promQLLabelsCmd := promQLCmd.Command("label-matchers", "Edit label matchers contained within an existing PromQL query.")
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promQLLabelsSetCmd := promQLLabelsCmd.Command("set", "Set a label matcher in the query.")
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promQLLabelsSetType := promQLLabelsSetCmd.Flag("type", "Type of the label matcher to set.").Short('t').Default("=").Enum("=", "!=", "=~", "!~")
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promQLLabelsSetQuery := promQLLabelsSetCmd.Arg("query", "PromQL query.").Required().String()
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promQLLabelsSetName := promQLLabelsSetCmd.Arg("name", "Name of the label matcher to set.").Required().String()
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promQLLabelsSetValue := promQLLabelsSetCmd.Arg("value", "Value of the label matcher to set.").Required().String()
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promQLLabelsDeleteCmd := promQLLabelsCmd.Command("delete", "Delete a label from the query.")
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promQLLabelsDeleteQuery := promQLLabelsDeleteCmd.Arg("query", "PromQL query.").Required().String()
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promQLLabelsDeleteName := promQLLabelsDeleteCmd.Arg("name", "Name of the label to delete.").Required().String()
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featureList := app.Flag("enable-feature", "Comma separated feature names to enable (only PromQL related and no-default-scrape-port). See https://prometheus.io/docs/prometheus/latest/feature_flags/ for the options and more details.").Default("").Strings()
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documentationCmd := app.Command("write-documentation", "Generate command line documentation. Internal use.").Hidden()
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parsedCmd := kingpin.MustParse(app.Parse(os.Args[1:]))
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var p printer
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switch *queryCmdFmt {
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case "json":
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p = &jsonPrinter{}
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case "promql":
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p = &promqlPrinter{}
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}
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if httpConfigFilePath != "" {
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if serverURL != nil && serverURL.User.Username() != "" {
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kingpin.Fatalf("Cannot set base auth in the server URL and use a http.config.file at the same time")
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}
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var err error
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httpConfig, _, err := config_util.LoadHTTPConfigFile(httpConfigFilePath)
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if err != nil {
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kingpin.Fatalf("Failed to load HTTP config file: %v", err)
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}
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httpRoundTripper, err = promconfig.NewRoundTripperFromConfig(*httpConfig, "promtool", config_util.WithUserAgent("promtool/"+version.Version))
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if err != nil {
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kingpin.Fatalf("Failed to create a new HTTP round tripper: %v", err)
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}
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}
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var noDefaultScrapePort bool
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for _, f := range *featureList {
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opts := strings.Split(f, ",")
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for _, o := range opts {
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switch o {
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case "no-default-scrape-port":
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noDefaultScrapePort = true
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case "":
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continue
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case "promql-at-modifier", "promql-negative-offset":
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fmt.Printf(" WARNING: Option for --enable-feature is a no-op after promotion to a stable feature: %q\n", o)
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default:
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fmt.Printf(" WARNING: Unknown option for --enable-feature: %q\n", o)
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}
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}
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}
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switch parsedCmd {
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case sdCheckCmd.FullCommand():
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os.Exit(CheckSD(*sdConfigFile, *sdJobName, *sdTimeout, noDefaultScrapePort, prometheus.DefaultRegisterer))
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case checkConfigCmd.FullCommand():
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os.Exit(CheckConfig(*agentMode, *checkConfigSyntaxOnly, newLintConfig(*checkConfigLint, *checkConfigLintFatal), *configFiles...))
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|
|
case checkServerHealthCmd.FullCommand():
|
|
os.Exit(checkErr(CheckServerStatus(serverURL, checkHealth, httpRoundTripper)))
|
|
|
|
case checkServerReadyCmd.FullCommand():
|
|
os.Exit(checkErr(CheckServerStatus(serverURL, checkReadiness, httpRoundTripper)))
|
|
|
|
case checkWebConfigCmd.FullCommand():
|
|
os.Exit(CheckWebConfig(*webConfigFiles...))
|
|
|
|
case checkRulesCmd.FullCommand():
|
|
os.Exit(CheckRules(newLintConfig(*checkRulesLint, *checkRulesLintFatal), *ruleFiles...))
|
|
|
|
case checkMetricsCmd.FullCommand():
|
|
os.Exit(CheckMetrics(*checkMetricsExtended))
|
|
|
|
case pushMetricsCmd.FullCommand():
|
|
os.Exit(PushMetrics(remoteWriteURL, httpRoundTripper, *pushMetricsHeaders, *pushMetricsTimeout, *pushMetricsLabels, *metricFiles...))
|
|
|
|
case queryInstantCmd.FullCommand():
|
|
os.Exit(QueryInstant(serverURL, httpRoundTripper, *queryInstantExpr, *queryInstantTime, p))
|
|
|
|
case queryRangeCmd.FullCommand():
|
|
os.Exit(QueryRange(serverURL, httpRoundTripper, *queryRangeHeaders, *queryRangeExpr, *queryRangeBegin, *queryRangeEnd, *queryRangeStep, p))
|
|
|
|
case querySeriesCmd.FullCommand():
|
|
os.Exit(QuerySeries(serverURL, httpRoundTripper, *querySeriesMatch, *querySeriesBegin, *querySeriesEnd, p))
|
|
|
|
case debugPprofCmd.FullCommand():
|
|
os.Exit(debugPprof(*debugPprofServer))
|
|
|
|
case debugMetricsCmd.FullCommand():
|
|
os.Exit(debugMetrics(*debugMetricsServer))
|
|
|
|
case debugAllCmd.FullCommand():
|
|
os.Exit(debugAll(*debugAllServer))
|
|
|
|
case queryLabelsCmd.FullCommand():
|
|
os.Exit(QueryLabels(serverURL, httpRoundTripper, *queryLabelsMatch, *queryLabelsName, *queryLabelsBegin, *queryLabelsEnd, p))
|
|
|
|
case testRulesCmd.FullCommand():
|
|
results := io.Discard
|
|
if *junitOutFile != nil {
|
|
results = *junitOutFile
|
|
}
|
|
os.Exit(RulesUnitTestResult(results,
|
|
promqltest.LazyLoaderOpts{
|
|
EnableAtModifier: true,
|
|
EnableNegativeOffset: true,
|
|
},
|
|
*testRulesRun,
|
|
*testRulesDiff,
|
|
*testRulesFiles...),
|
|
)
|
|
|
|
case tsdbBenchWriteCmd.FullCommand():
|
|
os.Exit(checkErr(benchmarkWrite(*benchWriteOutPath, *benchSamplesFile, *benchWriteNumMetrics, *benchWriteNumScrapes)))
|
|
|
|
case tsdbAnalyzeCmd.FullCommand():
|
|
os.Exit(checkErr(analyzeBlock(ctx, *analyzePath, *analyzeBlockID, *analyzeLimit, *analyzeRunExtended, *analyzeMatchers)))
|
|
|
|
case tsdbListCmd.FullCommand():
|
|
os.Exit(checkErr(listBlocks(*listPath, *listHumanReadable)))
|
|
|
|
case tsdbDumpCmd.FullCommand():
|
|
os.Exit(checkErr(dumpSamples(ctx, *dumpPath, *dumpSandboxDirRoot, *dumpMinTime, *dumpMaxTime, *dumpMatch, formatSeriesSet)))
|
|
case tsdbDumpOpenMetricsCmd.FullCommand():
|
|
os.Exit(checkErr(dumpSamples(ctx, *dumpOpenMetricsPath, *dumpOpenMetricsSandboxDirRoot, *dumpOpenMetricsMinTime, *dumpOpenMetricsMaxTime, *dumpOpenMetricsMatch, formatSeriesSetOpenMetrics)))
|
|
// TODO(aSquare14): Work on adding support for custom block size.
|
|
case openMetricsImportCmd.FullCommand():
|
|
os.Exit(backfillOpenMetrics(*importFilePath, *importDBPath, *importHumanReadable, *importQuiet, *maxBlockDuration, *openMetricsLabels))
|
|
|
|
case importRulesCmd.FullCommand():
|
|
os.Exit(checkErr(importRules(serverURL, httpRoundTripper, *importRulesStart, *importRulesEnd, *importRulesOutputDir, *importRulesEvalInterval, *maxBlockDuration, *importRulesFiles...)))
|
|
|
|
case queryAnalyzeCmd.FullCommand():
|
|
os.Exit(checkErr(queryAnalyzeCfg.run(serverURL, httpRoundTripper)))
|
|
|
|
case documentationCmd.FullCommand():
|
|
os.Exit(checkErr(documentcli.GenerateMarkdown(app.Model(), os.Stdout)))
|
|
|
|
case promQLFormatCmd.FullCommand():
|
|
checkExperimental(*experimental)
|
|
os.Exit(checkErr(formatPromQL(*promQLFormatQuery)))
|
|
|
|
case promQLLabelsSetCmd.FullCommand():
|
|
checkExperimental(*experimental)
|
|
os.Exit(checkErr(labelsSetPromQL(*promQLLabelsSetQuery, *promQLLabelsSetType, *promQLLabelsSetName, *promQLLabelsSetValue)))
|
|
|
|
case promQLLabelsDeleteCmd.FullCommand():
|
|
checkExperimental(*experimental)
|
|
os.Exit(checkErr(labelsDeletePromQL(*promQLLabelsDeleteQuery, *promQLLabelsDeleteName)))
|
|
}
|
|
}
|
|
|
|
func checkExperimental(f bool) {
|
|
if !f {
|
|
fmt.Fprintln(os.Stderr, "This command is experimental and requires the --experimental flag to be set.")
|
|
os.Exit(1)
|
|
}
|
|
}
|
|
|
|
var errLint = fmt.Errorf("lint error")
|
|
|
|
type lintConfig struct {
|
|
all bool
|
|
duplicateRules bool
|
|
fatal bool
|
|
}
|
|
|
|
func newLintConfig(stringVal string, fatal bool) lintConfig {
|
|
items := strings.Split(stringVal, ",")
|
|
ls := lintConfig{
|
|
fatal: fatal,
|
|
}
|
|
for _, setting := range items {
|
|
switch setting {
|
|
case lintOptionAll:
|
|
ls.all = true
|
|
case lintOptionDuplicateRules:
|
|
ls.duplicateRules = true
|
|
case lintOptionNone:
|
|
default:
|
|
fmt.Printf("WARNING: unknown lint option %s\n", setting)
|
|
}
|
|
}
|
|
return ls
|
|
}
|
|
|
|
func (ls lintConfig) lintDuplicateRules() bool {
|
|
return ls.all || ls.duplicateRules
|
|
}
|
|
|
|
// CheckServerStatus - healthy & ready.
|
|
func CheckServerStatus(serverURL *url.URL, checkEndpoint string, roundTripper http.RoundTripper) error {
|
|
if serverURL.Scheme == "" {
|
|
serverURL.Scheme = "http"
|
|
}
|
|
|
|
config := api.Config{
|
|
Address: serverURL.String() + checkEndpoint,
|
|
RoundTripper: roundTripper,
|
|
}
|
|
|
|
// Create new client.
|
|
c, err := api.NewClient(config)
|
|
if err != nil {
|
|
fmt.Fprintln(os.Stderr, "error creating API client:", err)
|
|
return err
|
|
}
|
|
|
|
request, err := http.NewRequest(http.MethodGet, config.Address, nil)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
|
|
defer cancel()
|
|
response, dataBytes, err := c.Do(ctx, request)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if response.StatusCode != http.StatusOK {
|
|
return fmt.Errorf("check failed: URL=%s, status=%d", serverURL, response.StatusCode)
|
|
}
|
|
|
|
fmt.Fprintln(os.Stderr, " SUCCESS: ", string(dataBytes))
|
|
return nil
|
|
}
|
|
|
|
// CheckConfig validates configuration files.
|
|
func CheckConfig(agentMode, checkSyntaxOnly bool, lintSettings lintConfig, files ...string) int {
|
|
failed := false
|
|
hasErrors := false
|
|
|
|
for _, f := range files {
|
|
ruleFiles, err := checkConfig(agentMode, f, checkSyntaxOnly)
|
|
if err != nil {
|
|
fmt.Fprintln(os.Stderr, " FAILED:", err)
|
|
hasErrors = true
|
|
failed = true
|
|
} else {
|
|
if len(ruleFiles) > 0 {
|
|
fmt.Printf(" SUCCESS: %d rule files found\n", len(ruleFiles))
|
|
}
|
|
fmt.Printf(" SUCCESS: %s is valid prometheus config file syntax\n", f)
|
|
}
|
|
fmt.Println()
|
|
|
|
rulesFailed, rulesHasErrors := checkRules(ruleFiles, lintSettings)
|
|
if rulesFailed {
|
|
failed = rulesFailed
|
|
}
|
|
if rulesHasErrors {
|
|
hasErrors = rulesHasErrors
|
|
}
|
|
}
|
|
if failed && hasErrors {
|
|
return failureExitCode
|
|
}
|
|
if failed && lintSettings.fatal {
|
|
return lintErrExitCode
|
|
}
|
|
return successExitCode
|
|
}
|
|
|
|
// CheckWebConfig validates web configuration files.
|
|
func CheckWebConfig(files ...string) int {
|
|
failed := false
|
|
|
|
for _, f := range files {
|
|
if err := web.Validate(f); err != nil {
|
|
fmt.Fprintln(os.Stderr, f, "FAILED:", err)
|
|
failed = true
|
|
continue
|
|
}
|
|
fmt.Fprintln(os.Stderr, f, "SUCCESS")
|
|
}
|
|
if failed {
|
|
return failureExitCode
|
|
}
|
|
return successExitCode
|
|
}
|
|
|
|
func checkFileExists(fn string) error {
|
|
// Nothing set, nothing to error on.
|
|
if fn == "" {
|
|
return nil
|
|
}
|
|
_, err := os.Stat(fn)
|
|
return err
|
|
}
|
|
|
|
func checkConfig(agentMode bool, filename string, checkSyntaxOnly bool) ([]string, error) {
|
|
fmt.Println("Checking", filename)
|
|
|
|
cfg, err := config.LoadFile(filename, agentMode, false, log.NewNopLogger())
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var ruleFiles []string
|
|
if !checkSyntaxOnly {
|
|
for _, rf := range cfg.RuleFiles {
|
|
rfs, err := filepath.Glob(rf)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
// If an explicit file was given, error if it is not accessible.
|
|
if !strings.Contains(rf, "*") {
|
|
if len(rfs) == 0 {
|
|
return nil, fmt.Errorf("%q does not point to an existing file", rf)
|
|
}
|
|
if err := checkFileExists(rfs[0]); err != nil {
|
|
return nil, fmt.Errorf("error checking rule file %q: %w", rfs[0], err)
|
|
}
|
|
}
|
|
ruleFiles = append(ruleFiles, rfs...)
|
|
}
|
|
}
|
|
|
|
var scfgs []*config.ScrapeConfig
|
|
if checkSyntaxOnly {
|
|
scfgs = cfg.ScrapeConfigs
|
|
} else {
|
|
var err error
|
|
scfgs, err = cfg.GetScrapeConfigs()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("error loading scrape configs: %w", err)
|
|
}
|
|
}
|
|
|
|
for _, scfg := range scfgs {
|
|
if !checkSyntaxOnly && scfg.HTTPClientConfig.Authorization != nil {
|
|
if err := checkFileExists(scfg.HTTPClientConfig.Authorization.CredentialsFile); err != nil {
|
|
return nil, fmt.Errorf("error checking authorization credentials or bearer token file %q: %w", scfg.HTTPClientConfig.Authorization.CredentialsFile, err)
|
|
}
|
|
}
|
|
|
|
if err := checkTLSConfig(scfg.HTTPClientConfig.TLSConfig, checkSyntaxOnly); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
for _, c := range scfg.ServiceDiscoveryConfigs {
|
|
switch c := c.(type) {
|
|
case *kubernetes.SDConfig:
|
|
if err := checkTLSConfig(c.HTTPClientConfig.TLSConfig, checkSyntaxOnly); err != nil {
|
|
return nil, err
|
|
}
|
|
case *file.SDConfig:
|
|
if checkSyntaxOnly {
|
|
break
|
|
}
|
|
for _, file := range c.Files {
|
|
files, err := filepath.Glob(file)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if len(files) != 0 {
|
|
for _, f := range files {
|
|
var targetGroups []*targetgroup.Group
|
|
targetGroups, err = checkSDFile(f)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("checking SD file %q: %w", file, err)
|
|
}
|
|
if err := checkTargetGroupsForScrapeConfig(targetGroups, scfg); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
continue
|
|
}
|
|
fmt.Printf(" WARNING: file %q for file_sd in scrape job %q does not exist\n", file, scfg.JobName)
|
|
}
|
|
case discovery.StaticConfig:
|
|
if err := checkTargetGroupsForScrapeConfig(c, scfg); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
alertConfig := cfg.AlertingConfig
|
|
for _, amcfg := range alertConfig.AlertmanagerConfigs {
|
|
for _, c := range amcfg.ServiceDiscoveryConfigs {
|
|
switch c := c.(type) {
|
|
case *file.SDConfig:
|
|
if checkSyntaxOnly {
|
|
break
|
|
}
|
|
for _, file := range c.Files {
|
|
files, err := filepath.Glob(file)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if len(files) != 0 {
|
|
for _, f := range files {
|
|
var targetGroups []*targetgroup.Group
|
|
targetGroups, err = checkSDFile(f)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("checking SD file %q: %w", file, err)
|
|
}
|
|
|
|
if err := checkTargetGroupsForAlertmanager(targetGroups, amcfg); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
continue
|
|
}
|
|
fmt.Printf(" WARNING: file %q for file_sd in alertmanager config does not exist\n", file)
|
|
}
|
|
case discovery.StaticConfig:
|
|
if err := checkTargetGroupsForAlertmanager(c, amcfg); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return ruleFiles, nil
|
|
}
|
|
|
|
func checkTLSConfig(tlsConfig config_util.TLSConfig, checkSyntaxOnly bool) error {
|
|
if len(tlsConfig.CertFile) > 0 && len(tlsConfig.KeyFile) == 0 {
|
|
return fmt.Errorf("client cert file %q specified without client key file", tlsConfig.CertFile)
|
|
}
|
|
if len(tlsConfig.KeyFile) > 0 && len(tlsConfig.CertFile) == 0 {
|
|
return fmt.Errorf("client key file %q specified without client cert file", tlsConfig.KeyFile)
|
|
}
|
|
|
|
if checkSyntaxOnly {
|
|
return nil
|
|
}
|
|
|
|
if err := checkFileExists(tlsConfig.CertFile); err != nil {
|
|
return fmt.Errorf("error checking client cert file %q: %w", tlsConfig.CertFile, err)
|
|
}
|
|
if err := checkFileExists(tlsConfig.KeyFile); err != nil {
|
|
return fmt.Errorf("error checking client key file %q: %w", tlsConfig.KeyFile, err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func checkSDFile(filename string) ([]*targetgroup.Group, error) {
|
|
fd, err := os.Open(filename)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer fd.Close()
|
|
|
|
content, err := io.ReadAll(fd)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var targetGroups []*targetgroup.Group
|
|
|
|
switch ext := filepath.Ext(filename); strings.ToLower(ext) {
|
|
case ".json":
|
|
if err := json.Unmarshal(content, &targetGroups); err != nil {
|
|
return nil, err
|
|
}
|
|
case ".yml", ".yaml":
|
|
if err := yaml.UnmarshalStrict(content, &targetGroups); err != nil {
|
|
return nil, err
|
|
}
|
|
default:
|
|
return nil, fmt.Errorf("invalid file extension: %q", ext)
|
|
}
|
|
|
|
for i, tg := range targetGroups {
|
|
if tg == nil {
|
|
return nil, fmt.Errorf("nil target group item found (index %d)", i)
|
|
}
|
|
}
|
|
|
|
return targetGroups, nil
|
|
}
|
|
|
|
// CheckRules validates rule files.
|
|
func CheckRules(ls lintConfig, files ...string) int {
|
|
failed := false
|
|
hasErrors := false
|
|
if len(files) == 0 {
|
|
failed, hasErrors = checkRulesFromStdin(ls)
|
|
} else {
|
|
failed, hasErrors = checkRules(files, ls)
|
|
}
|
|
|
|
if failed && hasErrors {
|
|
return failureExitCode
|
|
}
|
|
if failed && ls.fatal {
|
|
return lintErrExitCode
|
|
}
|
|
|
|
return successExitCode
|
|
}
|
|
|
|
// checkRulesFromStdin validates rule from stdin.
|
|
func checkRulesFromStdin(ls lintConfig) (bool, bool) {
|
|
failed := false
|
|
hasErrors := false
|
|
fmt.Println("Checking standard input")
|
|
data, err := io.ReadAll(os.Stdin)
|
|
if err != nil {
|
|
fmt.Fprintln(os.Stderr, " FAILED:", err)
|
|
return true, true
|
|
}
|
|
rgs, errs := rulefmt.Parse(data)
|
|
if errs != nil {
|
|
failed = true
|
|
fmt.Fprintln(os.Stderr, " FAILED:")
|
|
for _, e := range errs {
|
|
fmt.Fprintln(os.Stderr, e.Error())
|
|
hasErrors = hasErrors || !errors.Is(e, errLint)
|
|
}
|
|
if hasErrors {
|
|
return failed, hasErrors
|
|
}
|
|
}
|
|
if n, errs := checkRuleGroups(rgs, ls); errs != nil {
|
|
fmt.Fprintln(os.Stderr, " FAILED:")
|
|
for _, e := range errs {
|
|
fmt.Fprintln(os.Stderr, e.Error())
|
|
}
|
|
failed = true
|
|
for _, err := range errs {
|
|
hasErrors = hasErrors || !errors.Is(err, errLint)
|
|
}
|
|
} else {
|
|
fmt.Printf(" SUCCESS: %d rules found\n", n)
|
|
}
|
|
fmt.Println()
|
|
return failed, hasErrors
|
|
}
|
|
|
|
// checkRules validates rule files.
|
|
func checkRules(files []string, ls lintConfig) (bool, bool) {
|
|
failed := false
|
|
hasErrors := false
|
|
for _, f := range files {
|
|
fmt.Println("Checking", f)
|
|
rgs, errs := rulefmt.ParseFile(f)
|
|
if errs != nil {
|
|
failed = true
|
|
fmt.Fprintln(os.Stderr, " FAILED:")
|
|
for _, e := range errs {
|
|
fmt.Fprintln(os.Stderr, e.Error())
|
|
hasErrors = hasErrors || !errors.Is(e, errLint)
|
|
}
|
|
if hasErrors {
|
|
continue
|
|
}
|
|
}
|
|
if n, errs := checkRuleGroups(rgs, ls); errs != nil {
|
|
fmt.Fprintln(os.Stderr, " FAILED:")
|
|
for _, e := range errs {
|
|
fmt.Fprintln(os.Stderr, e.Error())
|
|
}
|
|
failed = true
|
|
for _, err := range errs {
|
|
hasErrors = hasErrors || !errors.Is(err, errLint)
|
|
}
|
|
} else {
|
|
fmt.Printf(" SUCCESS: %d rules found\n", n)
|
|
}
|
|
fmt.Println()
|
|
}
|
|
return failed, hasErrors
|
|
}
|
|
|
|
func checkRuleGroups(rgs *rulefmt.RuleGroups, lintSettings lintConfig) (int, []error) {
|
|
numRules := 0
|
|
for _, rg := range rgs.Groups {
|
|
numRules += len(rg.Rules)
|
|
}
|
|
|
|
if lintSettings.lintDuplicateRules() {
|
|
dRules := checkDuplicates(rgs.Groups)
|
|
if len(dRules) != 0 {
|
|
errMessage := fmt.Sprintf("%d duplicate rule(s) found.\n", len(dRules))
|
|
for _, n := range dRules {
|
|
errMessage += fmt.Sprintf("Metric: %s\nLabel(s):\n", n.metric)
|
|
n.label.Range(func(l labels.Label) {
|
|
errMessage += fmt.Sprintf("\t%s: %s\n", l.Name, l.Value)
|
|
})
|
|
}
|
|
errMessage += "Might cause inconsistency while recording expressions"
|
|
return 0, []error{fmt.Errorf("%w %s", errLint, errMessage)}
|
|
}
|
|
}
|
|
|
|
return numRules, nil
|
|
}
|
|
|
|
type compareRuleType struct {
|
|
metric string
|
|
label labels.Labels
|
|
}
|
|
|
|
type compareRuleTypes []compareRuleType
|
|
|
|
func (c compareRuleTypes) Len() int { return len(c) }
|
|
func (c compareRuleTypes) Swap(i, j int) { c[i], c[j] = c[j], c[i] }
|
|
func (c compareRuleTypes) Less(i, j int) bool { return compare(c[i], c[j]) < 0 }
|
|
|
|
func compare(a, b compareRuleType) int {
|
|
if res := strings.Compare(a.metric, b.metric); res != 0 {
|
|
return res
|
|
}
|
|
|
|
return labels.Compare(a.label, b.label)
|
|
}
|
|
|
|
func checkDuplicates(groups []rulefmt.RuleGroup) []compareRuleType {
|
|
var duplicates []compareRuleType
|
|
var rules compareRuleTypes
|
|
|
|
for _, group := range groups {
|
|
for _, rule := range group.Rules {
|
|
rules = append(rules, compareRuleType{
|
|
metric: ruleMetric(rule),
|
|
label: labels.FromMap(rule.Labels),
|
|
})
|
|
}
|
|
}
|
|
if len(rules) < 2 {
|
|
return duplicates
|
|
}
|
|
sort.Sort(rules)
|
|
|
|
last := rules[0]
|
|
for i := 1; i < len(rules); i++ {
|
|
if compare(last, rules[i]) == 0 {
|
|
// Don't add a duplicated rule multiple times.
|
|
if len(duplicates) == 0 || compare(last, duplicates[len(duplicates)-1]) != 0 {
|
|
duplicates = append(duplicates, rules[i])
|
|
}
|
|
}
|
|
last = rules[i]
|
|
}
|
|
|
|
return duplicates
|
|
}
|
|
|
|
func ruleMetric(rule rulefmt.RuleNode) string {
|
|
if rule.Alert.Value != "" {
|
|
return rule.Alert.Value
|
|
}
|
|
return rule.Record.Value
|
|
}
|
|
|
|
var checkMetricsUsage = strings.TrimSpace(`
|
|
Pass Prometheus metrics over stdin to lint them for consistency and correctness.
|
|
|
|
examples:
|
|
|
|
$ cat metrics.prom | promtool check metrics
|
|
|
|
$ curl -s http://localhost:9090/metrics | promtool check metrics
|
|
`)
|
|
|
|
// CheckMetrics performs a linting pass on input metrics.
|
|
func CheckMetrics(extended bool) int {
|
|
var buf bytes.Buffer
|
|
tee := io.TeeReader(os.Stdin, &buf)
|
|
l := promlint.New(tee)
|
|
problems, err := l.Lint()
|
|
if err != nil {
|
|
fmt.Fprintln(os.Stderr, "error while linting:", err)
|
|
return failureExitCode
|
|
}
|
|
|
|
for _, p := range problems {
|
|
fmt.Fprintln(os.Stderr, p.Metric, p.Text)
|
|
}
|
|
|
|
if len(problems) > 0 {
|
|
return lintErrExitCode
|
|
}
|
|
|
|
if extended {
|
|
stats, total, err := checkMetricsExtended(&buf)
|
|
if err != nil {
|
|
fmt.Fprintln(os.Stderr, err)
|
|
return failureExitCode
|
|
}
|
|
w := tabwriter.NewWriter(os.Stdout, 4, 4, 4, ' ', tabwriter.TabIndent)
|
|
fmt.Fprintf(w, "Metric\tCardinality\tPercentage\t\n")
|
|
for _, stat := range stats {
|
|
fmt.Fprintf(w, "%s\t%d\t%.2f%%\t\n", stat.name, stat.cardinality, stat.percentage*100)
|
|
}
|
|
fmt.Fprintf(w, "Total\t%d\t%.f%%\t\n", total, 100.)
|
|
w.Flush()
|
|
}
|
|
|
|
return successExitCode
|
|
}
|
|
|
|
type metricStat struct {
|
|
name string
|
|
cardinality int
|
|
percentage float64
|
|
}
|
|
|
|
func checkMetricsExtended(r io.Reader) ([]metricStat, int, error) {
|
|
p := expfmt.TextParser{}
|
|
metricFamilies, err := p.TextToMetricFamilies(r)
|
|
if err != nil {
|
|
return nil, 0, fmt.Errorf("error while parsing text to metric families: %w", err)
|
|
}
|
|
|
|
var total int
|
|
stats := make([]metricStat, 0, len(metricFamilies))
|
|
for _, mf := range metricFamilies {
|
|
var cardinality int
|
|
switch mf.GetType() {
|
|
case dto.MetricType_COUNTER, dto.MetricType_GAUGE, dto.MetricType_UNTYPED:
|
|
cardinality = len(mf.Metric)
|
|
case dto.MetricType_HISTOGRAM:
|
|
// Histogram metrics includes sum, count, buckets.
|
|
buckets := len(mf.Metric[0].Histogram.Bucket)
|
|
cardinality = len(mf.Metric) * (2 + buckets)
|
|
case dto.MetricType_SUMMARY:
|
|
// Summary metrics includes sum, count, quantiles.
|
|
quantiles := len(mf.Metric[0].Summary.Quantile)
|
|
cardinality = len(mf.Metric) * (2 + quantiles)
|
|
default:
|
|
cardinality = len(mf.Metric)
|
|
}
|
|
stats = append(stats, metricStat{name: mf.GetName(), cardinality: cardinality})
|
|
total += cardinality
|
|
}
|
|
|
|
for i := range stats {
|
|
stats[i].percentage = float64(stats[i].cardinality) / float64(total)
|
|
}
|
|
|
|
sort.SliceStable(stats, func(i, j int) bool {
|
|
return stats[i].cardinality > stats[j].cardinality
|
|
})
|
|
|
|
return stats, total, nil
|
|
}
|
|
|
|
type endpointsGroup struct {
|
|
urlToFilename map[string]string
|
|
postProcess func(b []byte) ([]byte, error)
|
|
}
|
|
|
|
var (
|
|
pprofEndpoints = []endpointsGroup{
|
|
{
|
|
urlToFilename: map[string]string{
|
|
"/debug/pprof/profile?seconds=30": "cpu.pb",
|
|
"/debug/pprof/block": "block.pb",
|
|
"/debug/pprof/goroutine": "goroutine.pb",
|
|
"/debug/pprof/heap": "heap.pb",
|
|
"/debug/pprof/mutex": "mutex.pb",
|
|
"/debug/pprof/threadcreate": "threadcreate.pb",
|
|
},
|
|
postProcess: func(b []byte) ([]byte, error) {
|
|
p, err := profile.Parse(bytes.NewReader(b))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
var buf bytes.Buffer
|
|
if err := p.WriteUncompressed(&buf); err != nil {
|
|
return nil, fmt.Errorf("writing the profile to the buffer: %w", err)
|
|
}
|
|
|
|
return buf.Bytes(), nil
|
|
},
|
|
},
|
|
{
|
|
urlToFilename: map[string]string{
|
|
"/debug/pprof/trace?seconds=30": "trace.pb",
|
|
},
|
|
},
|
|
}
|
|
metricsEndpoints = []endpointsGroup{
|
|
{
|
|
urlToFilename: map[string]string{
|
|
"/metrics": "metrics.txt",
|
|
},
|
|
},
|
|
}
|
|
allEndpoints = append(pprofEndpoints, metricsEndpoints...)
|
|
)
|
|
|
|
func debugPprof(url string) int {
|
|
if err := debugWrite(debugWriterConfig{
|
|
serverURL: url,
|
|
tarballName: "debug.tar.gz",
|
|
endPointGroups: pprofEndpoints,
|
|
}); err != nil {
|
|
fmt.Fprintln(os.Stderr, "error completing debug command:", err)
|
|
return failureExitCode
|
|
}
|
|
return successExitCode
|
|
}
|
|
|
|
func debugMetrics(url string) int {
|
|
if err := debugWrite(debugWriterConfig{
|
|
serverURL: url,
|
|
tarballName: "debug.tar.gz",
|
|
endPointGroups: metricsEndpoints,
|
|
}); err != nil {
|
|
fmt.Fprintln(os.Stderr, "error completing debug command:", err)
|
|
return failureExitCode
|
|
}
|
|
return successExitCode
|
|
}
|
|
|
|
func debugAll(url string) int {
|
|
if err := debugWrite(debugWriterConfig{
|
|
serverURL: url,
|
|
tarballName: "debug.tar.gz",
|
|
endPointGroups: allEndpoints,
|
|
}); err != nil {
|
|
fmt.Fprintln(os.Stderr, "error completing debug command:", err)
|
|
return failureExitCode
|
|
}
|
|
return successExitCode
|
|
}
|
|
|
|
type printer interface {
|
|
printValue(v model.Value)
|
|
printSeries(v []model.LabelSet)
|
|
printLabelValues(v model.LabelValues)
|
|
}
|
|
|
|
type promqlPrinter struct{}
|
|
|
|
func (p *promqlPrinter) printValue(v model.Value) {
|
|
fmt.Println(v)
|
|
}
|
|
|
|
func (p *promqlPrinter) printSeries(val []model.LabelSet) {
|
|
for _, v := range val {
|
|
fmt.Println(v)
|
|
}
|
|
}
|
|
|
|
func (p *promqlPrinter) printLabelValues(val model.LabelValues) {
|
|
for _, v := range val {
|
|
fmt.Println(v)
|
|
}
|
|
}
|
|
|
|
type jsonPrinter struct{}
|
|
|
|
func (j *jsonPrinter) printValue(v model.Value) {
|
|
//nolint:errcheck
|
|
json.NewEncoder(os.Stdout).Encode(v)
|
|
}
|
|
|
|
func (j *jsonPrinter) printSeries(v []model.LabelSet) {
|
|
//nolint:errcheck
|
|
json.NewEncoder(os.Stdout).Encode(v)
|
|
}
|
|
|
|
func (j *jsonPrinter) printLabelValues(v model.LabelValues) {
|
|
//nolint:errcheck
|
|
json.NewEncoder(os.Stdout).Encode(v)
|
|
}
|
|
|
|
// importRules backfills recording rules from the files provided. The output are blocks of data
|
|
// at the outputDir location.
|
|
func importRules(url *url.URL, roundTripper http.RoundTripper, start, end, outputDir string, evalInterval, maxBlockDuration time.Duration, files ...string) error {
|
|
ctx := context.Background()
|
|
var stime, etime time.Time
|
|
var err error
|
|
if end == "" {
|
|
etime = time.Now().UTC().Add(-3 * time.Hour)
|
|
} else {
|
|
etime, err = parseTime(end)
|
|
if err != nil {
|
|
return fmt.Errorf("error parsing end time: %w", err)
|
|
}
|
|
}
|
|
|
|
stime, err = parseTime(start)
|
|
if err != nil {
|
|
return fmt.Errorf("error parsing start time: %w", err)
|
|
}
|
|
|
|
if !stime.Before(etime) {
|
|
return errors.New("start time is not before end time")
|
|
}
|
|
|
|
cfg := ruleImporterConfig{
|
|
outputDir: outputDir,
|
|
start: stime,
|
|
end: etime,
|
|
evalInterval: evalInterval,
|
|
maxBlockDuration: maxBlockDuration,
|
|
}
|
|
api, err := newAPI(url, roundTripper, nil)
|
|
if err != nil {
|
|
return fmt.Errorf("new api client error: %w", err)
|
|
}
|
|
|
|
ruleImporter := newRuleImporter(log.NewLogfmtLogger(log.NewSyncWriter(os.Stderr)), cfg, api)
|
|
errs := ruleImporter.loadGroups(ctx, files)
|
|
for _, err := range errs {
|
|
if err != nil {
|
|
return fmt.Errorf("rule importer parse error: %w", err)
|
|
}
|
|
}
|
|
|
|
errs = ruleImporter.importAll(ctx)
|
|
for _, err := range errs {
|
|
fmt.Fprintln(os.Stderr, "rule importer error:", err)
|
|
}
|
|
if len(errs) > 0 {
|
|
return errors.New("error importing rules")
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func checkTargetGroupsForAlertmanager(targetGroups []*targetgroup.Group, amcfg *config.AlertmanagerConfig) error {
|
|
for _, tg := range targetGroups {
|
|
if _, _, err := notifier.AlertmanagerFromGroup(tg, amcfg); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func checkTargetGroupsForScrapeConfig(targetGroups []*targetgroup.Group, scfg *config.ScrapeConfig) error {
|
|
var targets []*scrape.Target
|
|
lb := labels.NewBuilder(labels.EmptyLabels())
|
|
for _, tg := range targetGroups {
|
|
var failures []error
|
|
targets, failures = scrape.TargetsFromGroup(tg, scfg, false, targets, lb)
|
|
if len(failures) > 0 {
|
|
first := failures[0]
|
|
return first
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func formatPromQL(query string) error {
|
|
expr, err := parser.ParseExpr(query)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
fmt.Println(expr.Pretty(0))
|
|
return nil
|
|
}
|
|
|
|
func labelsSetPromQL(query, labelMatchType, name, value string) error {
|
|
expr, err := parser.ParseExpr(query)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
var matchType labels.MatchType
|
|
switch labelMatchType {
|
|
case parser.ItemType(parser.EQL).String():
|
|
matchType = labels.MatchEqual
|
|
case parser.ItemType(parser.NEQ).String():
|
|
matchType = labels.MatchNotEqual
|
|
case parser.ItemType(parser.EQL_REGEX).String():
|
|
matchType = labels.MatchRegexp
|
|
case parser.ItemType(parser.NEQ_REGEX).String():
|
|
matchType = labels.MatchNotRegexp
|
|
default:
|
|
return fmt.Errorf("invalid label match type: %s", labelMatchType)
|
|
}
|
|
|
|
parser.Inspect(expr, func(node parser.Node, path []parser.Node) error {
|
|
if n, ok := node.(*parser.VectorSelector); ok {
|
|
var found bool
|
|
for i, l := range n.LabelMatchers {
|
|
if l.Name == name {
|
|
n.LabelMatchers[i].Type = matchType
|
|
n.LabelMatchers[i].Value = value
|
|
found = true
|
|
}
|
|
}
|
|
if !found {
|
|
n.LabelMatchers = append(n.LabelMatchers, &labels.Matcher{
|
|
Type: matchType,
|
|
Name: name,
|
|
Value: value,
|
|
})
|
|
}
|
|
}
|
|
return nil
|
|
})
|
|
|
|
fmt.Println(expr.Pretty(0))
|
|
return nil
|
|
}
|
|
|
|
func labelsDeletePromQL(query, name string) error {
|
|
expr, err := parser.ParseExpr(query)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
parser.Inspect(expr, func(node parser.Node, path []parser.Node) error {
|
|
if n, ok := node.(*parser.VectorSelector); ok {
|
|
for i, l := range n.LabelMatchers {
|
|
if l.Name == name {
|
|
n.LabelMatchers = append(n.LabelMatchers[:i], n.LabelMatchers[i+1:]...)
|
|
}
|
|
}
|
|
}
|
|
return nil
|
|
})
|
|
|
|
fmt.Println(expr.Pretty(0))
|
|
return nil
|
|
}
|