Update github.com/prometheus/procfs dependency

Fix IPVS ipv6 parsing, see also prometheus/procfs#40
This commit is contained in:
Filippo Giunchedi 2017-05-04 16:03:53 +02:00
parent d31c29490e
commit 2e9758564e
2 changed files with 41 additions and 19 deletions

View file

@ -33,6 +33,8 @@ type IPVSBackendStatus struct {
LocalAddress net.IP
// The local (virtual) port.
LocalPort uint16
// The local firewall mark
LocalMark string
// The transport protocol (TCP, UDP).
Proto string
// The remote (real) IP address.
@ -142,6 +144,7 @@ func parseIPVSBackendStatus(file io.Reader) ([]IPVSBackendStatus, error) {
status []IPVSBackendStatus
scanner = bufio.NewScanner(file)
proto string
localMark string
localAddress net.IP
localPort uint16
err error
@ -160,10 +163,19 @@ func parseIPVSBackendStatus(file io.Reader) ([]IPVSBackendStatus, error) {
continue
}
proto = fields[0]
localMark = ""
localAddress, localPort, err = parseIPPort(fields[1])
if err != nil {
return nil, err
}
case fields[0] == "FWM":
if len(fields) < 2 {
continue
}
proto = fields[0]
localMark = fields[1]
localAddress = nil
localPort = 0
case fields[0] == "->":
if len(fields) < 6 {
continue
@ -187,6 +199,7 @@ func parseIPVSBackendStatus(file io.Reader) ([]IPVSBackendStatus, error) {
status = append(status, IPVSBackendStatus{
LocalAddress: localAddress,
LocalPort: localPort,
LocalMark: localMark,
RemoteAddress: remoteAddress,
RemotePort: remotePort,
Proto: proto,
@ -200,22 +213,31 @@ func parseIPVSBackendStatus(file io.Reader) ([]IPVSBackendStatus, error) {
}
func parseIPPort(s string) (net.IP, uint16, error) {
tmp := strings.SplitN(s, ":", 2)
var (
ip net.IP
err error
)
if len(tmp) != 2 {
return nil, 0, fmt.Errorf("invalid IP:Port: %s", s)
}
if len(tmp[0]) != 8 && len(tmp[0]) != 32 {
return nil, 0, fmt.Errorf("invalid IP: %s", tmp[0])
}
ip, err := hex.DecodeString(tmp[0])
switch len(s) {
case 13:
ip, err = hex.DecodeString(s[0:8])
if err != nil {
return nil, 0, err
}
case 46:
ip = net.ParseIP(s[1:40])
if ip == nil {
return nil, 0, fmt.Errorf("invalid IPv6 address: %s", s[1:40])
}
default:
return nil, 0, fmt.Errorf("unexpected IP:Port: %s", s)
}
port, err := strconv.ParseUint(tmp[1], 16, 16)
portString := s[len(s)-4:]
if len(portString) != 4 {
return nil, 0, fmt.Errorf("unexpected port string format: %s", portString)
}
port, err := strconv.ParseUint(portString, 16, 16)
if err != nil {
return nil, 0, err
}

14
vendor/vendor.json vendored
View file

@ -129,22 +129,22 @@
"revisionTime": "2017-02-20T10:38:46Z"
},
{
"checksumSHA1": "dA8hiwcAbubYRxTnpocR5VZkqAY=",
"checksumSHA1": "my9sP6myQbSinzWZwxa4Q1V6awU=",
"path": "github.com/prometheus/procfs",
"revision": "6ac8c5d890d415025dd5aae7595bcb2a6e7e2fad",
"revisionTime": "2017-04-24T20:45:52Z"
"revision": "d098ca18df8bc825079013daf7bacefbb1ee877e",
"revisionTime": "2017-05-01T09:11:53Z"
},
{
"checksumSHA1": "eiBAd4edewJTOtTwxh/ubJdjd+I=",
"path": "github.com/prometheus/procfs/sysfs",
"revision": "6ac8c5d890d415025dd5aae7595bcb2a6e7e2fad",
"revisionTime": "2017-04-24T20:45:52Z"
"revision": "d098ca18df8bc825079013daf7bacefbb1ee877e",
"revisionTime": "2017-05-01T09:11:53Z"
},
{
"checksumSHA1": "xCiFAAwVTrjsfZT1BIJQ3DgeNCY=",
"path": "github.com/prometheus/procfs/xfs",
"revision": "6ac8c5d890d415025dd5aae7595bcb2a6e7e2fad",
"revisionTime": "2017-04-24T20:45:52Z"
"revision": "d098ca18df8bc825079013daf7bacefbb1ee877e",
"revisionTime": "2017-05-01T09:11:53Z"
},
{
"checksumSHA1": "uozMgPjB4AggpuuJkGq3FgAs4CA=",