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cadvisor bump

pull/6/head
Jimmi Dyson 2015-10-15 20:58:51 +01:00
parent 8fcb0dfb75
commit a5421270e5
21 changed files with 606 additions and 120 deletions
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72
Godeps/Godeps.json generated
View File

@ -281,93 +281,93 @@
},
{
"ImportPath": "github.com/google/cadvisor/api",
"Comment": "0.16.0.2",
"Rev": "cefada41b87c35294533638733c563a349b95f05"
"Comment": "0.19.0",
"Rev": "0d6015c74114de9503d68c3c91efceee4dc41bd2"
},
{
"ImportPath": "github.com/google/cadvisor/cache/memory",
"Comment": "0.16.0.2",
"Rev": "cefada41b87c35294533638733c563a349b95f05"
"Comment": "0.19.0",
"Rev": "0d6015c74114de9503d68c3c91efceee4dc41bd2"
},
{
"ImportPath": "github.com/google/cadvisor/collector",
"Comment": "0.16.0.2",
"Rev": "cefada41b87c35294533638733c563a349b95f05"
"Comment": "0.19.0",
"Rev": "0d6015c74114de9503d68c3c91efceee4dc41bd2"
},
{
"ImportPath": "github.com/google/cadvisor/container",
"Comment": "0.16.0.2",
"Rev": "cefada41b87c35294533638733c563a349b95f05"
"Comment": "0.19.0",
"Rev": "0d6015c74114de9503d68c3c91efceee4dc41bd2"
},
{
"ImportPath": "github.com/google/cadvisor/events",
"Comment": "0.16.0.2",
"Rev": "cefada41b87c35294533638733c563a349b95f05"
"Comment": "0.19.0",
"Rev": "0d6015c74114de9503d68c3c91efceee4dc41bd2"
},
{
"ImportPath": "github.com/google/cadvisor/fs",
"Comment": "0.16.0.2",
"Rev": "cefada41b87c35294533638733c563a349b95f05"
"Comment": "0.19.0",
"Rev": "0d6015c74114de9503d68c3c91efceee4dc41bd2"
},
{
"ImportPath": "github.com/google/cadvisor/healthz",
"Comment": "0.16.0.2",
"Rev": "cefada41b87c35294533638733c563a349b95f05"
"Comment": "0.19.0",
"Rev": "0d6015c74114de9503d68c3c91efceee4dc41bd2"
},
{
"ImportPath": "github.com/google/cadvisor/http",
"Comment": "0.16.0.2",
"Rev": "cefada41b87c35294533638733c563a349b95f05"
"Comment": "0.19.0",
"Rev": "0d6015c74114de9503d68c3c91efceee4dc41bd2"
},
{
"ImportPath": "github.com/google/cadvisor/info/v1",
"Comment": "0.16.0.2",
"Rev": "cefada41b87c35294533638733c563a349b95f05"
"Comment": "0.19.0",
"Rev": "0d6015c74114de9503d68c3c91efceee4dc41bd2"
},
{
"ImportPath": "github.com/google/cadvisor/info/v2",
"Comment": "0.16.0.2",
"Rev": "cefada41b87c35294533638733c563a349b95f05"
"Comment": "0.19.0",
"Rev": "0d6015c74114de9503d68c3c91efceee4dc41bd2"
},
{
"ImportPath": "github.com/google/cadvisor/manager",
"Comment": "0.16.0.2",
"Rev": "cefada41b87c35294533638733c563a349b95f05"
"Comment": "0.19.0",
"Rev": "0d6015c74114de9503d68c3c91efceee4dc41bd2"
},
{
"ImportPath": "github.com/google/cadvisor/metrics",
"Comment": "0.16.0.2",
"Rev": "cefada41b87c35294533638733c563a349b95f05"
"Comment": "0.19.0",
"Rev": "0d6015c74114de9503d68c3c91efceee4dc41bd2"
},
{
"ImportPath": "github.com/google/cadvisor/pages",
"Comment": "0.16.0.2",
"Rev": "cefada41b87c35294533638733c563a349b95f05"
"Comment": "0.19.0",
"Rev": "0d6015c74114de9503d68c3c91efceee4dc41bd2"
},
{
"ImportPath": "github.com/google/cadvisor/storage",
"Comment": "0.16.0.2",
"Rev": "cefada41b87c35294533638733c563a349b95f05"
"Comment": "0.19.0",
"Rev": "0d6015c74114de9503d68c3c91efceee4dc41bd2"
},
{
"ImportPath": "github.com/google/cadvisor/summary",
"Comment": "0.16.0.2",
"Rev": "cefada41b87c35294533638733c563a349b95f05"
"Comment": "0.19.0",
"Rev": "0d6015c74114de9503d68c3c91efceee4dc41bd2"
},
{
"ImportPath": "github.com/google/cadvisor/utils",
"Comment": "0.16.0.2",
"Rev": "cefada41b87c35294533638733c563a349b95f05"
"Comment": "0.19.0",
"Rev": "0d6015c74114de9503d68c3c91efceee4dc41bd2"
},
{
"ImportPath": "github.com/google/cadvisor/validate",
"Comment": "0.16.0.2",
"Rev": "cefada41b87c35294533638733c563a349b95f05"
"Comment": "0.19.0",
"Rev": "0d6015c74114de9503d68c3c91efceee4dc41bd2"
},
{
"ImportPath": "github.com/google/cadvisor/version",
"Comment": "0.16.0.2",
"Rev": "cefada41b87c35294533638733c563a349b95f05"
"Comment": "0.19.0",
"Rev": "0d6015c74114de9503d68c3c91efceee4dc41bd2"
},
{
"ImportPath": "github.com/google/gofuzz",

23
Godeps/_workspace/src/github.com/google/cadvisor/container/docker/factory.go generated vendored
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@ -42,6 +42,10 @@ var DockerNamespace = "docker"
var dockerRootDir = flag.String("docker_root", "/var/lib/docker", "Absolute path to the Docker state root directory (default: /var/lib/docker)")
var dockerRunDir = flag.String("docker_run", "/var/run/docker", "Absolute path to the Docker run directory (default: /var/run/docker)")
// Regexp that identifies docker cgroups, containers started with
// --cgroup-parent have another prefix than 'docker'
var dockerCgroupRegexp = regexp.MustCompile(`.+-([a-z0-9]{64})\.scope$`)
// TODO(vmarmol): Export run dir too for newer Dockers.
// Directory holding Docker container state information.
func DockerStateDir() string {
@ -119,27 +123,30 @@ func ContainerNameToDockerId(name string) string {
// Turn systemd cgroup name into Docker ID.
if UseSystemd() {
id = strings.TrimPrefix(id, "docker-")
id = strings.TrimSuffix(id, ".scope")
if matches := dockerCgroupRegexp.FindStringSubmatch(id); matches != nil {
id = matches[1]
}
}
return id
}
// Returns a full container name for the specified Docker ID.
func FullContainerName(dockerId string) string {
// Add the full container name.
func isContainerName(name string) bool {
if UseSystemd() {
return path.Join("/system.slice", fmt.Sprintf("docker-%s.scope", dockerId))
} else {
return path.Join("/docker", dockerId)
return dockerCgroupRegexp.MatchString(path.Base(name))
}
return true
}
// Docker handles all containers under /docker
func (self *dockerFactory) CanHandleAndAccept(name string) (bool, bool, error) {
// docker factory accepts all containers it can handle.
canAccept := true
if !isContainerName(name) {
return false, canAccept, fmt.Errorf("invalid container name")
}
// Check if the container is known to docker and it is active.
id := ContainerNameToDockerId(name)

109
Godeps/_workspace/src/github.com/google/cadvisor/container/docker/fsHandler.go generated vendored Normal file
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@ -0,0 +1,109 @@
// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Handler for Docker containers.
package docker
import (
"sync"
"time"
"github.com/golang/glog"
"github.com/google/cadvisor/fs"
)
type fsHandler interface {
start()
usage() uint64
stop()
}
type realFsHandler struct {
sync.RWMutex
lastUpdate time.Time
usageBytes uint64
period time.Duration
storageDirs []string
fsInfo fs.FsInfo
// Tells the container to stop.
stopChan chan struct{}
}
const longDu = time.Second
var _ fsHandler = &realFsHandler{}
func newFsHandler(period time.Duration, storageDirs []string, fsInfo fs.FsInfo) fsHandler {
return &realFsHandler{
lastUpdate: time.Time{},
usageBytes: 0,
period: period,
storageDirs: storageDirs,
fsInfo: fsInfo,
stopChan: make(chan struct{}, 1),
}
}
func (fh *realFsHandler) needsUpdate() bool {
return time.Now().After(fh.lastUpdate.Add(fh.period))
}
func (fh *realFsHandler) update() error {
var usage uint64
for _, dir := range fh.storageDirs {
// TODO(Vishh): Add support for external mounts.
dirUsage, err := fh.fsInfo.GetDirUsage(dir)
if err != nil {
return err
}
usage += dirUsage
}
fh.Lock()
defer fh.Unlock()
fh.lastUpdate = time.Now()
fh.usageBytes = usage
return nil
}
func (fh *realFsHandler) trackUsage() {
for {
start := time.Now()
if _, ok := <-fh.stopChan; !ok {
return
}
if err := fh.update(); err != nil {
glog.V(2).Infof("failed to collect filesystem stats - %v", err)
}
duration := time.Since(start)
if duration > longDu {
glog.V(3).Infof("`du` on following dirs took %v: %v", duration, fh.storageDirs)
}
next := start.Add(fh.period)
time.Sleep(next.Sub(time.Now()))
}
}
func (fh *realFsHandler) start() {
go fh.trackUsage()
}
func (fh *realFsHandler) stop() {
close(fh.stopChan)
}
func (fh *realFsHandler) usage() uint64 {
fh.RLock()
defer fh.RUnlock()
return fh.usageBytes
}

55
Godeps/_workspace/src/github.com/google/cadvisor/container/docker/handler.go generated vendored
View File

@ -25,7 +25,7 @@ import (
"github.com/docker/libcontainer/cgroups"
cgroup_fs "github.com/docker/libcontainer/cgroups/fs"
libcontainerConfigs "github.com/docker/libcontainer/configs"
"github.com/fsouza/go-dockerclient"
docker "github.com/fsouza/go-dockerclient"
"github.com/google/cadvisor/container"
containerLibcontainer "github.com/google/cadvisor/container/libcontainer"
"github.com/google/cadvisor/fs"
@ -83,6 +83,9 @@ type dockerContainerHandler struct {
// The network mode of the container
networkMode string
// Filesystem handler.
fsHandler fsHandler
}
func newDockerContainerHandler(
@ -114,6 +117,9 @@ func newDockerContainerHandler(
}
id := ContainerNameToDockerId(name)
storageDirs := []string{path.Join(*dockerRootDir, pathToAufsDir, id)}
handler := &dockerContainerHandler{
id: id,
client: client,
@ -124,8 +130,13 @@ func newDockerContainerHandler(
usesAufsDriver: usesAufsDriver,
fsInfo: fsInfo,
rootFs: rootFs,
storageDirs: storageDirs,
fsHandler: newFsHandler(time.Minute, storageDirs, fsInfo),
}
if usesAufsDriver {
handler.fsHandler.start()
}
handler.storageDirs = append(handler.storageDirs, path.Join(*dockerRootDir, pathToAufsDir, id))
// We assume that if Inspect fails then the container is not known to docker.
ctnr, err := client.InspectContainer(id)
@ -136,8 +147,7 @@ func newDockerContainerHandler(
handler.pid = ctnr.State.Pid
// Add the name and bare ID as aliases of the container.
handler.aliases = append(handler.aliases, strings.TrimPrefix(ctnr.Name, "/"))
handler.aliases = append(handler.aliases, id)
handler.aliases = append(handler.aliases, strings.TrimPrefix(ctnr.Name, "/"), id)
handler.labels = ctnr.Config.Labels
handler.image = ctnr.Config.Image
handler.networkMode = ctnr.HostConfig.NetworkMode
@ -256,16 +266,7 @@ func (self *dockerContainerHandler) getFsStats(stats *info.ContainerStats) error
fsStat := info.FsStats{Device: deviceInfo.Device, Limit: limit}
var usage uint64 = 0
for _, dir := range self.storageDirs {
// TODO(Vishh): Add support for external mounts.
dirUsage, err := self.fsInfo.GetDirUsage(dir)
if err != nil {
return err
}
usage += dirUsage
}
fsStat.Usage = usage
fsStat.Usage = self.fsHandler.usage()
stats.Filesystem = append(stats.Filesystem, fsStat)
return nil
@ -295,32 +296,8 @@ func (self *dockerContainerHandler) GetStats() (*info.ContainerStats, error) {
}
func (self *dockerContainerHandler) ListContainers(listType container.ListType) ([]info.ContainerReference, error) {
if self.name != "/docker" {
// No-op for Docker driver.
return []info.ContainerReference{}, nil
}
opt := docker.ListContainersOptions{
All: true,
}
containers, err := self.client.ListContainers(opt)
if err != nil {
return nil, err
}
ret := make([]info.ContainerReference, 0, len(containers)+1)
for _, c := range containers {
if !strings.HasPrefix(c.Status, "Up ") {
continue
}
ref := info.ContainerReference{
Name: FullContainerName(c.ID),
Aliases: append(c.Names, c.ID),
Namespace: DockerNamespace,
}
ret = append(ret, ref)
}
return ret, nil
}
func (self *dockerContainerHandler) GetCgroupPath(resource string) (string, error) {

87
Godeps/_workspace/src/github.com/google/cadvisor/container/libcontainer/helpers.go generated vendored
View File

@ -97,6 +97,20 @@ func GetStats(cgroupManager cgroups.Manager, rootFs string, pid int) (*info.Cont
} else {
stats.Network.Interfaces = append(stats.Network.Interfaces, netStats...)
}
t, err := tcpStatsFromProc(rootFs, pid, "net/tcp")
if err != nil {
glog.V(2).Infof("Unable to get tcp stats from pid %d: %v", pid, err)
} else {
stats.Network.Tcp = t
}
t6, err := tcpStatsFromProc(rootFs, pid, "net/tcp6")
if err != nil {
glog.V(2).Infof("Unable to get tcp6 stats from pid %d: %v", pid, err)
} else {
stats.Network.Tcp6 = t6
}
}
// For backwards compatibility.
@ -173,6 +187,78 @@ func scanInterfaceStats(netStatsFile string) ([]info.InterfaceStats, error) {
return stats, nil
}
func tcpStatsFromProc(rootFs string, pid int, file string) (info.TcpStat, error) {
tcpStatsFile := path.Join(rootFs, "proc", strconv.Itoa(pid), file)
tcpStats, err := scanTcpStats(tcpStatsFile)
if err != nil {
return tcpStats, fmt.Errorf("couldn't read tcp stats: %v", err)
}
return tcpStats, nil
}
func scanTcpStats(tcpStatsFile string) (info.TcpStat, error) {
var stats info.TcpStat
data, err := ioutil.ReadFile(tcpStatsFile)
if err != nil {
return stats, fmt.Errorf("failure opening %s: %v", tcpStatsFile, err)
}
tcpStatLineRE, _ := regexp.Compile("[0-9:].*")
tcpStateMap := map[string]uint64{
"01": 0, //ESTABLISHED
"02": 0, //SYN_SENT
"03": 0, //SYN_RECV
"04": 0, //FIN_WAIT1
"05": 0, //FIN_WAIT2
"06": 0, //TIME_WAIT
"07": 0, //CLOSE
"08": 0, //CLOSE_WAIT
"09": 0, //LAST_ACK
"0A": 0, //LISTEN
"0B": 0, //CLOSING
}
reader := strings.NewReader(string(data))
scanner := bufio.NewScanner(reader)
scanner.Split(bufio.ScanLines)
for scanner.Scan() {
line := scanner.Text()
//skip header
matched := tcpStatLineRE.MatchString(line)
if matched {
state := strings.Fields(line)
//#file header tcp state is the 4 filed:
//sl local_address rem_address st tx_queue rx_queue tr tm->when retrnsmt uid timeout inode
tcpStateMap[state[3]]++
}
}
stats = info.TcpStat{
Established: tcpStateMap["01"],
SynSent: tcpStateMap["02"],
SynRecv: tcpStateMap["03"],
FinWait1: tcpStateMap["04"],
FinWait2: tcpStateMap["05"],
TimeWait: tcpStateMap["06"],
Close: tcpStateMap["07"],
CloseWait: tcpStateMap["08"],
LastAck: tcpStateMap["09"],
Listen: tcpStateMap["0A"],
Closing: tcpStateMap["0B"],
}
return stats, nil
}
func GetProcesses(cgroupManager cgroups.Manager) ([]int, error) {
pids, err := cgroupManager.GetPids()
if err != nil {
@ -262,6 +348,7 @@ func toContainerStats1(s *cgroups.Stats, ret *info.ContainerStats) {
func toContainerStats2(s *cgroups.Stats, ret *info.ContainerStats) {
ret.Memory.Usage = s.MemoryStats.Usage
ret.Memory.Failcnt = s.MemoryStats.Failcnt
if v, ok := s.MemoryStats.Stats["pgfault"]; ok {
ret.Memory.ContainerData.Pgfault = v
ret.Memory.HierarchicalData.Pgfault = v

2
Godeps/_workspace/src/github.com/google/cadvisor/fs/fs.go generated vendored
View File

@ -282,7 +282,7 @@ func (self *RealFsInfo) GetDirFsDevice(dir string) (*DeviceInfo, error) {
}
func (self *RealFsInfo) GetDirUsage(dir string) (uint64, error) {
out, err := exec.Command("du", "-s", dir).CombinedOutput()
out, err := exec.Command("nice", "-n", "19", "du", "-s", dir).CombinedOutput()
if err != nil {
return 0, fmt.Errorf("du command failed on %s with output %s - %s", dir, out, err)
}

12
Godeps/_workspace/src/github.com/google/cadvisor/http/handlers.go generated vendored
View File

@ -31,7 +31,7 @@ import (
"github.com/prometheus/client_golang/prometheus"
)
func RegisterHandlers(mux httpMux.Mux, containerManager manager.Manager, httpAuthFile, httpAuthRealm, httpDigestFile, httpDigestRealm, prometheusEndpoint string) error {
func RegisterHandlers(mux httpMux.Mux, containerManager manager.Manager, httpAuthFile, httpAuthRealm, httpDigestFile, httpDigestRealm string) error {
// Basic health handler.
if err := healthz.RegisterHandler(mux); err != nil {
return fmt.Errorf("failed to register healthz handler: %s", err)
@ -85,13 +85,15 @@ func RegisterHandlers(mux httpMux.Mux, containerManager manager.Manager, httpAut
}
}
collector := metrics.NewPrometheusCollector(containerManager)
prometheus.MustRegister(collector)
http.Handle(prometheusEndpoint, prometheus.Handler())
return nil
}
func RegisterPrometheusHandler(mux httpMux.Mux, containerManager manager.Manager, prometheusEndpoint string, containerNameToLabelsFunc metrics.ContainerNameToLabelsFunc) {
collector := metrics.NewPrometheusCollector(containerManager, containerNameToLabelsFunc)
prometheus.MustRegister(collector)
mux.Handle(prometheusEndpoint, prometheus.Handler())
}
func staticHandlerNoAuth(w http.ResponseWriter, r *http.Request) {
err := static.HandleRequest(w, r.URL)
if err != nil {

31
Godeps/_workspace/src/github.com/google/cadvisor/info/v1/container.go generated vendored
View File

@ -312,6 +312,8 @@ type MemoryStats struct {
// Units: Bytes.
WorkingSet uint64 `json:"working_set"`
Failcnt uint64 `json:"failcnt"`
ContainerData MemoryStatsMemoryData `json:"container_data,omitempty"`
HierarchicalData MemoryStatsMemoryData `json:"hierarchical_data,omitempty"`
}
@ -345,6 +347,35 @@ type InterfaceStats struct {
type NetworkStats struct {
InterfaceStats `json:",inline"`
Interfaces []InterfaceStats `json:"interfaces,omitempty"`
// TCP connection stats (Established, Listen...)
Tcp TcpStat `json:"tcp"`
// TCP6 connection stats (Established, Listen...)
Tcp6 TcpStat `json:"tcp6"`
}
type TcpStat struct {
//Count of TCP connections in state "Established"
Established uint64
//Count of TCP connections in state "Syn_Sent"
SynSent uint64
//Count of TCP connections in state "Syn_Recv"
SynRecv uint64
//Count of TCP connections in state "Fin_Wait1"
FinWait1 uint64
//Count of TCP connections in state "Fin_Wait2"
FinWait2 uint64
//Count of TCP connections in state "Time_Wait
TimeWait uint64
//Count of TCP connections in state "Close"
Close uint64
//Count of TCP connections in state "Close_Wait"
CloseWait uint64
//Count of TCP connections in state "Listen_Ack"
LastAck uint64
//Count of TCP connections in state "Listen"
Listen uint64
//Count of TCP connections in state "Closing"
Closing uint64
}
type FsStats struct {

2
Godeps/_workspace/src/github.com/google/cadvisor/info/v1/machine.go generated vendored
View File

@ -179,6 +179,8 @@ type VersionInfo struct {
// cAdvisor version.
CadvisorVersion string `json:"cadvisor_version"`
// cAdvisor git revision.
CadvisorRevision string `json:"cadvisor_revision"`
}
type MachineInfoFactory interface {

18
Godeps/_workspace/src/github.com/google/cadvisor/info/v2/container.go generated vendored
View File

@ -206,9 +206,27 @@ type ProcessInfo struct {
Cmd string `json:"cmd"`
}
type TcpStat struct {
Established uint64
SynSent uint64
SynRecv uint64
FinWait1 uint64
FinWait2 uint64
TimeWait uint64
Close uint64
CloseWait uint64
LastAck uint64
Listen uint64
Closing uint64
}
type NetworkStats struct {
// Network stats by interface.
Interfaces []v1.InterfaceStats `json:"interfaces,omitempty"`
// TCP connection stats (Established, Listen...)
Tcp TcpStat `json:"tcp"`
// TCP6 connection stats (Established, Listen...)
Tcp6 TcpStat `json:"tcp6"`
}
// Instantaneous CPU stats

2
Godeps/_workspace/src/github.com/google/cadvisor/manager/container.go generated vendored
View File

@ -42,7 +42,7 @@ import (
// Housekeeping interval.
var HousekeepingInterval = flag.Duration("housekeeping_interval", 1*time.Second, "Interval between container housekeepings")
var cgroupPathRegExp = regexp.MustCompile(".*devices:(.*?)[,;$].*")
var cgroupPathRegExp = regexp.MustCompile(".*devices.*:(.*?)[,;$].*")
// Decay value used for load average smoothing. Interval length of 10 seconds is used.
var loadDecay = math.Exp(float64(-1 * (*HousekeepingInterval).Seconds() / 10))

3
Godeps/_workspace/src/github.com/google/cadvisor/manager/machine.go generated vendored
View File

@ -122,7 +122,8 @@ func getVersionInfo() (*info.VersionInfo, error) {
KernelVersion: kernel_version,
ContainerOsVersion: container_os,
DockerVersion: docker_version,
CadvisorVersion: version.VERSION,
CadvisorVersion: version.Info["version"],
CadvisorRevision: version.Info["revision"],
}, nil
}

113
Godeps/_workspace/src/github.com/google/cadvisor/metrics/prometheus.go generated vendored
View File

@ -24,9 +24,13 @@ import (
)
// This will usually be manager.Manager, but can be swapped out for testing.
type subcontainersInfoProvider interface {
type infoProvider interface {
// Get information about all subcontainers of the specified container (includes self).
SubcontainersInfo(containerName string, query *info.ContainerInfoRequest) ([]*info.ContainerInfo, error)
// Get information about the version.
GetVersionInfo() (*info.VersionInfo, error)
// Get information about the machine.
GetMachineInfo() (*info.MachineInfo, error)
}
// metricValue describes a single metric value for a given set of label values
@ -60,21 +64,25 @@ type containerMetric struct {
getValues func(s *info.ContainerStats) metricValues
}
func (cm *containerMetric) desc() *prometheus.Desc {
return prometheus.NewDesc(cm.name, cm.help, append([]string{"name", "id", "image"}, cm.extraLabels...), nil)
func (cm *containerMetric) desc(baseLabels []string) *prometheus.Desc {
return prometheus.NewDesc(cm.name, cm.help, append(baseLabels, cm.extraLabels...), nil)
}
type ContainerNameToLabelsFunc func(containerName string) map[string]string
// PrometheusCollector implements prometheus.Collector.
type PrometheusCollector struct {
infoProvider subcontainersInfoProvider
infoProvider infoProvider
errors prometheus.Gauge
containerMetrics []containerMetric
containerNameToLabels ContainerNameToLabelsFunc
}
// NewPrometheusCollector returns a new PrometheusCollector.
func NewPrometheusCollector(infoProvider subcontainersInfoProvider) *PrometheusCollector {
func NewPrometheusCollector(infoProvider infoProvider, f ContainerNameToLabelsFunc) *PrometheusCollector {
c := &PrometheusCollector{
infoProvider: infoProvider,
containerNameToLabels: f,
errors: prometheus.NewGauge(prometheus.GaugeOpts{
Namespace: "container",
Name: "scrape_error",
@ -117,6 +125,13 @@ func NewPrometheusCollector(infoProvider subcontainersInfoProvider) *PrometheusC
}
return values
},
}, {
name: "container_memory_failcnt",
help: "Number of memory usage hits limits",
valueType: prometheus.CounterValue,
getValues: func(s *info.ContainerStats) metricValues {
return metricValues{{value: float64(s.Memory.Failcnt)}}
},
}, {
name: "container_memory_usage_bytes",
help: "Current memory usage in bytes.",
@ -441,18 +456,34 @@ func NewPrometheusCollector(infoProvider subcontainersInfoProvider) *PrometheusC
return c
}
var (
versionInfoDesc = prometheus.NewDesc("cadvisor_version_info", "A metric with a constant '1' value labeled by kernel version, OS version, docker version, cadvisor version & cadvisor revision.", []string{"kernelVersion", "osVersion", "dockerVersion", "cadvisorVersion", "cadvisorRevision"}, nil)
machineInfoCoresDesc = prometheus.NewDesc("machine_cpu_cores", "Number of CPU cores on the machine.", nil, nil)
machineInfoMemoryDesc = prometheus.NewDesc("machine_memory_bytes", "Amount of memory installed on the machine.", nil, nil)
)
// Describe describes all the metrics ever exported by cadvisor. It
// implements prometheus.PrometheusCollector.
func (c *PrometheusCollector) Describe(ch chan<- *prometheus.Desc) {
c.errors.Describe(ch)
for _, cm := range c.containerMetrics {
ch <- cm.desc()
ch <- cm.desc([]string{})
}
ch <- versionInfoDesc
ch <- machineInfoCoresDesc
ch <- machineInfoMemoryDesc
}
// Collect fetches the stats from all containers and delivers them as
// Prometheus metrics. It implements prometheus.PrometheusCollector.
func (c *PrometheusCollector) Collect(ch chan<- prometheus.Metric) {
c.collectMachineInfo(ch)
c.collectVersionInfo(ch)
c.collectContainersInfo(ch)
c.errors.Collect(ch)
}
func (c *PrometheusCollector) collectContainersInfo(ch chan<- prometheus.Metric) {
containers, err := c.infoProvider.SubcontainersInfo("/", &info.ContainerInfoRequest{NumStats: 1})
if err != nil {
c.errors.Set(1)
@ -460,20 +491,82 @@ func (c *PrometheusCollector) Collect(ch chan<- prometheus.Metric) {
return
}
for _, container := range containers {
baseLabels := []string{"id"}
id := container.Name
name := id
if len(container.Aliases) > 0 {
name = container.Aliases[0]
baseLabels = append(baseLabels, "name")
}
image := container.Spec.Image
stats := container.Stats[0]
if len(image) > 0 {
baseLabels = append(baseLabels, "image")
}
baseLabelValues := []string{id, name, image}[:len(baseLabels)]
if c.containerNameToLabels != nil {
newLabels := c.containerNameToLabels(name)
for k, v := range newLabels {
baseLabels = append(baseLabels, k)
baseLabelValues = append(baseLabelValues, v)
}
}
// Container spec
desc := prometheus.NewDesc("container_start_time_seconds", "Start time of the container since unix epoch in seconds.", baseLabels, nil)
ch <- prometheus.MustNewConstMetric(desc, prometheus.GaugeValue, float64(container.Spec.CreationTime.Unix()), baseLabelValues...)
if container.Spec.HasCpu {
desc := prometheus.NewDesc("container_spec_cpu_shares", "CPU share of the container.", baseLabels, nil)
ch <- prometheus.MustNewConstMetric(desc, prometheus.GaugeValue, float64(container.Spec.Cpu.Limit), baseLabelValues...)
}
if container.Spec.HasMemory {
desc := prometheus.NewDesc("container_spec_memory_limit_bytes", "Memory limit for the container.", baseLabels, nil)
ch <- prometheus.MustNewConstMetric(desc, prometheus.GaugeValue, specMemoryValue(container.Spec.Memory.Limit), baseLabelValues...)
desc = prometheus.NewDesc("container_spec_memory_swap_limit_bytes", "Memory swap limit for the container.", baseLabels, nil)
ch <- prometheus.MustNewConstMetric(desc, prometheus.GaugeValue, specMemoryValue(container.Spec.Memory.SwapLimit), baseLabelValues...)
}
// Now for the actual metrics
stats := container.Stats[0]
for _, cm := range c.containerMetrics {
desc := cm.desc()
desc := cm.desc(baseLabels)
for _, metricValue := range cm.getValues(stats) {
ch <- prometheus.MustNewConstMetric(desc, cm.valueType, float64(metricValue.value), append([]string{name, id, image}, metricValue.labels...)...)
ch <- prometheus.MustNewConstMetric(desc, cm.valueType, float64(metricValue.value), append(baseLabelValues, metricValue.labels...)...)
}
}
}
c.errors.Collect(ch)
}
func (c *PrometheusCollector) collectVersionInfo(ch chan<- prometheus.Metric) {
versionInfo, err := c.infoProvider.GetVersionInfo()
if err != nil {
c.errors.Set(1)
glog.Warningf("Couldn't get version info: %s", err)
return
}
ch <- prometheus.MustNewConstMetric(versionInfoDesc, prometheus.GaugeValue, 1, []string{versionInfo.KernelVersion, versionInfo.ContainerOsVersion, versionInfo.DockerVersion, versionInfo.CadvisorVersion, versionInfo.CadvisorRevision}...)
}
func (c *PrometheusCollector) collectMachineInfo(ch chan<- prometheus.Metric) {
machineInfo, err := c.infoProvider.GetMachineInfo()
if err != nil {
c.errors.Set(1)
glog.Warningf("Couldn't get machine info: %s", err)
return
}
ch <- prometheus.MustNewConstMetric(machineInfoCoresDesc, prometheus.GaugeValue, float64(machineInfo.NumCores))
ch <- prometheus.MustNewConstMetric(machineInfoMemoryDesc, prometheus.GaugeValue, float64(machineInfo.MemoryCapacity))
}
// Size after which we consider memory to be "unlimited". This is not
// MaxInt64 due to rounding by the kernel.
const maxMemorySize = uint64(1 << 62)
func specMemoryValue(v uint64) float64 {
if v > maxMemorySize {
return 0
}
return float64(v)
}

18
Godeps/_workspace/src/github.com/google/cadvisor/pages/docker.go generated vendored
View File

@ -53,11 +53,11 @@ func serveDockerPage(m manager.Manager, w http.ResponseWriter, u *url.URL) error
start := time.Now()
// The container name is the path after the handler
containerName := u.Path[len(DockerPage):]
rootDir := getRootDir(u.Path)
containerName := u.Path[len(DockerPage)-1:]
rootDir := getRootDir(containerName)
var data *pageData
if containerName == "" {
if containerName == "/" {
// Get the containers.
reqParams := info.ContainerInfoRequest{
NumStats: 0,
@ -70,7 +70,7 @@ func serveDockerPage(m manager.Manager, w http.ResponseWriter, u *url.URL) error
for _, cont := range conts {
subcontainers = append(subcontainers, link{
Text: getContainerDisplayName(cont.ContainerReference),
Link: path.Join("/docker", docker.ContainerNameToDockerId(cont.ContainerReference.Name)),
Link: path.Join(rootDir, DockerPage, docker.ContainerNameToDockerId(cont.ContainerReference.Name)),
})
}
@ -93,7 +93,7 @@ func serveDockerPage(m manager.Manager, w http.ResponseWriter, u *url.URL) error
ParentContainers: []link{
{
Text: dockerContainersText,
Link: DockerPage,
Link: path.Join(rootDir, DockerPage),
}},
Subcontainers: subcontainers,
Root: rootDir,
@ -106,7 +106,7 @@ func serveDockerPage(m manager.Manager, w http.ResponseWriter, u *url.URL) error
reqParams := info.ContainerInfoRequest{
NumStats: 60,
}
cont, err := m.DockerContainer(containerName, &reqParams)
cont, err := m.DockerContainer(containerName[1:], &reqParams)
if err != nil {
return fmt.Errorf("failed to get container %q with error: %v", containerName, err)
}
@ -115,12 +115,12 @@ func serveDockerPage(m manager.Manager, w http.ResponseWriter, u *url.URL) error
// Make a list of the parent containers and their links
var parentContainers []link
parentContainers = append(parentContainers, link{
Text: "Docker containers",
Link: DockerPage,
Text: "Docker Containers",
Link: path.Join(rootDir, DockerPage),
})
parentContainers = append(parentContainers, link{
Text: displayName,
Link: path.Join(DockerPage, docker.ContainerNameToDockerId(cont.Name)),
Link: path.Join(rootDir, DockerPage, docker.ContainerNameToDockerId(cont.Name)),
})
// Get the MachineInfo

2
Godeps/_workspace/src/github.com/google/cadvisor/storage/bigquery/bigquery.go generated vendored
View File

@ -15,10 +15,10 @@
package bigquery
import (
bigquery "code.google.com/p/google-api-go-client/bigquery/v2"
info "github.com/google/cadvisor/info/v1"
"github.com/google/cadvisor/storage"
"github.com/google/cadvisor/storage/bigquery/client"
bigquery "google.golang.org/api/bigquery/v2"
)
type bigqueryStorage struct {

2
Godeps/_workspace/src/github.com/google/cadvisor/storage/bigquery/client/client.go generated vendored
View File

@ -20,9 +20,9 @@ import (
"io/ioutil"
"strings"
bigquery "code.google.com/p/google-api-go-client/bigquery/v2"
"golang.org/x/oauth2"
"golang.org/x/oauth2/jwt"
bigquery "google.golang.org/api/bigquery/v2"
)
var (

127
Godeps/_workspace/src/github.com/google/cadvisor/storage/elasticsearch/elasticsearch.go generated vendored Normal file
View File

@ -0,0 +1,127 @@
// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package elasticsearch
import (
"fmt"
"sync"
"time"
info "github.com/google/cadvisor/info/v1"
storage "github.com/google/cadvisor/storage"
"gopkg.in/olivere/elastic.v2"
)
type elasticStorage struct {
client *elastic.Client
machineName string
indexName string
typeName string
lock sync.Mutex
}
type detailSpec struct {
Timestamp int64 `json:"timestamp"`
MachineName string `json:"machine_name,omitempty"`
ContainerName string `json:"container_Name,omitempty"`
ContainerStats *info.ContainerStats `json:"container_stats,omitempty"`
}
func (self *elasticStorage) containerStatsAndDefaultValues(
ref info.ContainerReference, stats *info.ContainerStats) *detailSpec {
timestamp := stats.Timestamp.UnixNano() / 1E3
var containerName string
if len(ref.Aliases) > 0 {
containerName = ref.Aliases[0]
} else {
containerName = ref.Name
}
detail := &detailSpec{
Timestamp: timestamp,
MachineName: self.machineName,
ContainerName: containerName,
ContainerStats: stats,
}
return detail
}
func (self *elasticStorage) AddStats(ref info.ContainerReference, stats *info.ContainerStats) error {
if stats == nil {
return nil
}
func() {
// AddStats will be invoked simultaneously from multiple threads and only one of them will perform a write.
self.lock.Lock()
defer self.lock.Unlock()
// Add some default params based on ContainerStats
detail := self.containerStatsAndDefaultValues(ref, stats)
// Index a cadvisor (using JSON serialization)
_, err := self.client.Index().
Index(self.indexName).
Type(self.typeName).
BodyJson(detail).
Do()
if err != nil {
// Handle error
panic(fmt.Errorf("failed to write stats to ElasticSearch- %s", err))
}
}()
return nil
}
func (self *elasticStorage) Close() error {
self.client = nil
return nil
}
// machineName: A unique identifier to identify the host that current cAdvisor
// instance is running on.
// ElasticHost: The host which runs ElasticSearch.
func New(machineName,
indexName,
typeName,
elasticHost string,
enableSniffer bool,
) (storage.StorageDriver, error) {
// Obtain a client and connect to the default Elasticsearch installation
// on 127.0.0.1:9200. Of course you can configure your client to connect
// to other hosts and configure it in various other ways.
client, err := elastic.NewClient(
elastic.SetHealthcheck(true),
elastic.SetSniff(enableSniffer),
elastic.SetHealthcheckInterval(30*time.Second),
elastic.SetURL(elasticHost),
)
if err != nil {
// Handle error
panic(err)
}
// Ping the Elasticsearch server to get e.g. the version number
info, code, err := client.Ping().URL(elasticHost).Do()
if err != nil {
// Handle error
panic(err)
}
fmt.Printf("Elasticsearch returned with code %d and version %s", code, info.Version.Number)
ret := &elasticStorage{
client: client,
machineName: machineName,
indexName: indexName,
typeName: typeName,
}
return ret, nil
}

2
Godeps/_workspace/src/github.com/google/cadvisor/utils/oomparser/oomparser.go generated vendored
View File

@ -164,7 +164,7 @@ func (self *OomParser) StreamOoms(outStream chan *OomInstance) {
}
func callJournalctl() (io.ReadCloser, error) {
cmd := exec.Command("journalctl", "-f")
cmd := exec.Command("journalctl", "-k", "-f")
readcloser, err := cmd.StdoutPipe()
if err != nil {
return nil, err

1
Godeps/_workspace/src/github.com/google/cadvisor/version/VERSION generated vendored Normal file
View File

@ -0,0 +1 @@
0.18.0

21
Godeps/_workspace/src/github.com/google/cadvisor/version/version.go generated vendored
View File

@ -14,5 +14,22 @@
package version
// Version of cAdvisor.
const VERSION = "0.16.0"
// Build information. Populated at build-time.
var (
Version string
Revision string
Branch string
BuildUser string
BuildDate string
GoVersion string
)
// Info provides the iterable version information.
var Info = map[string]string{
"version": Version,
"revision": Revision,
"branch": Branch,
"buildUser": BuildUser,
"buildDate": BuildDate,
"goVersion": GoVersion,
}

16
pkg/kubelet/cadvisor/cadvisor_linux.go
View File

@ -21,6 +21,7 @@ package cadvisor
import (
"fmt"
"net/http"
"regexp"
"time"
"github.com/golang/glog"
@ -79,11 +80,24 @@ func (cc *cadvisorClient) exportHTTP(port uint) error {
// Register the handlers regardless as this registers the prometheus
// collector properly.
mux := http.NewServeMux()
err := cadvisorHttp.RegisterHandlers(mux, cc, "", "", "", "", "/metrics")
err := cadvisorHttp.RegisterHandlers(mux, cc, "", "", "", "")
if err != nil {
return err
}
re := regexp.MustCompile(`^k8s_(?P<kubernetes_container_name>[^_\.]+)[^_]+_(?P<kubernetes_pod_name>[^_]+)_(?P<kubernetes_namespace>[^_]+)`)
reCaptureNames := re.SubexpNames()
cadvisorHttp.RegisterPrometheusHandler(mux, cc, "/metrics", func(name string) map[string]string {
extraLabels := map[string]string{}
matches := re.FindStringSubmatch(name)
for i, match := range matches {
if len(reCaptureNames[i]) > 0 {
extraLabels[re.SubexpNames()[i]] = match
}
}
return extraLabels
})
// Only start the http server if port > 0
if port > 0 {
serv := &http.Server{