update cAdvisor godeps to v0.34.0 release

go.mod

@@ -66,7 +66,7 @@ require (
 	github.com/golang/groupcache v0.0.0-20160516000752-02826c3e7903
 	github.com/golang/mock v1.2.0
 	github.com/golang/protobuf v1.3.1
-	github.com/google/cadvisor v0.33.2-0.20190719172907-9fa3b1429966
+	github.com/google/cadvisor v0.34.0
 	github.com/google/certificate-transparency-go v1.0.21 // indirect
 	github.com/google/go-cmp v0.3.0
 	github.com/google/gofuzz v1.0.0
@@ -282,7 +282,7 @@ replace (
 	github.com/golangplus/fmt => github.com/golangplus/fmt v0.0.0-20150411045040-2a5d6d7d2995
 	github.com/golangplus/testing => github.com/golangplus/testing v0.0.0-20180327235837-af21d9c3145e
 	github.com/google/btree => github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c
-	github.com/google/cadvisor => github.com/google/cadvisor v0.33.2-0.20190719172907-9fa3b1429966
+	github.com/google/cadvisor => github.com/google/cadvisor v0.34.0
 	github.com/google/certificate-transparency-go => github.com/google/certificate-transparency-go v1.0.21
 	github.com/google/go-cmp => github.com/google/go-cmp v0.3.0
 	github.com/google/gofuzz => github.com/google/gofuzz v1.0.0

go.sum

@@ -200,8 +200,8 @@ github.com/golangplus/testing v0.0.0-20180327235837-af21d9c3145e h1:KhcknUwkWHKZ
 github.com/golangplus/testing v0.0.0-20180327235837-af21d9c3145e/go.mod h1:0AA//k/eakGydO4jKRoRL2j92ZKSzTgj9tclaCrvXHk=
 github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c h1:964Od4U6p2jUkFxvCydnIczKteheJEzHRToSGK3Bnlw=
 github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
-github.com/google/cadvisor v0.33.2-0.20190719172907-9fa3b1429966 h1:8PpCh6R0YjmmztPXOq9aKhiUqLGUrp6Fly3vWk7l2Fg=
-github.com/google/cadvisor v0.33.2-0.20190719172907-9fa3b1429966/go.mod h1:1nql6U13uTHaLYB8rLS5x9IJc2qT6Xd/Tr1sTX6NE48=
+github.com/google/cadvisor v0.34.0 h1:No7G6U/TasplR9uNqyc5Jj0Bet5VSYsK5xLygOf4pUw=
+github.com/google/cadvisor v0.34.0/go.mod h1:1nql6U13uTHaLYB8rLS5x9IJc2qT6Xd/Tr1sTX6NE48=
 github.com/google/certificate-transparency-go v1.0.21 h1:Yf1aXowfZ2nuboBsg7iYGLmwsOARdV86pfH3g95wXmE=
 github.com/google/certificate-transparency-go v1.0.21/go.mod h1:QeJfpSbVSfYc7RgB3gJFj9cbuQMMchQxrWXz8Ruopmg=
 github.com/google/go-cmp v0.3.0 h1:crn/baboCvb5fXaQ0IJ1SGTsTVrWpDsCWC8EGETZijY=

vendor/github.com/google/cadvisor/container/crio/handler.go

@@ -33,6 +33,9 @@ import (
 )
 
 type crioContainerHandler struct {
+	client crioClient
+	name   string
+
 	machineInfoFactory info.MachineInfoFactory
 
 	// Absolute path to the cgroup hierarchies of this container.
@@ -68,6 +71,9 @@ type crioContainerHandler struct {
 	reference info.ContainerReference
 
 	libcontainerHandler *containerlibcontainer.Handler
+	cgroupManager       *cgroupfs.Manager
+	rootFs              string
+	pidKnown            bool
 }
 
 var _ container.ContainerHandler = &crioContainerHandler{}
@@ -103,11 +109,20 @@ func newCrioContainerHandler(
 	}
 
 	id := ContainerNameToCrioId(name)
+	pidKnown := true
 
 	cInfo, err := client.ContainerInfo(id)
 	if err != nil {
 		return nil, err
 	}
+	if cInfo.Pid == 0 {
+		// If pid is not known yet, network related stats can not be retrieved by the
+		// libcontainer handler GetStats().  In this case, the crio handler GetStats()
+		// will reattempt to get the pid and, if now known, will construct the libcontainer
+		// handler.  This libcontainer handler is then cached and reused without additional
+		// calls to crio.
+		pidKnown = false
+	}
 
 	// passed to fs handler below ...
 	// XXX: this is using the full container logpath, as constructed by the CRI
@@ -142,6 +157,8 @@ func newCrioContainerHandler(
 
 	// TODO: extract object mother method
 	handler := &crioContainerHandler{
+		client:              client,
+		name:                name,
 		machineInfoFactory:  machineInfoFactory,
 		cgroupPaths:         cgroupPaths,
 		storageDriver:       storageDriver,
@@ -152,6 +169,9 @@ func newCrioContainerHandler(
 		includedMetrics:     includedMetrics,
 		reference:           containerReference,
 		libcontainerHandler: libcontainerHandler,
+		cgroupManager:       cgroupManager,
+		rootFs:              rootFs,
+		pidKnown:            pidKnown,
 	}
 
 	handler.image = cInfo.Image
@@ -263,8 +283,27 @@ func (self *crioContainerHandler) getFsStats(stats *info.ContainerStats) error {
 	return nil
 }
 
+func (self *crioContainerHandler) getLibcontainerHandler() *containerlibcontainer.Handler {
+	if self.pidKnown {
+		return self.libcontainerHandler
+	}
+
+	id := ContainerNameToCrioId(self.name)
+
+	cInfo, err := self.client.ContainerInfo(id)
+	if err != nil || cInfo.Pid == 0 {
+		return self.libcontainerHandler
+	}
+
+	self.pidKnown = true
+	self.libcontainerHandler = containerlibcontainer.NewHandler(self.cgroupManager, self.rootFs, cInfo.Pid, self.includedMetrics)
+
+	return self.libcontainerHandler
+}
+
 func (self *crioContainerHandler) GetStats() (*info.ContainerStats, error) {
-	stats, err := self.libcontainerHandler.GetStats()
+	libcontainerHandler := self.getLibcontainerHandler()
+	stats, err := libcontainerHandler.GetStats()
 	if err != nil {
 		return stats, err
 	}

vendor/github.com/google/cadvisor/container/raw/factory.go

@@ -30,6 +30,7 @@ import (
 )
 
 var dockerOnly = flag.Bool("docker_only", false, "Only report docker containers in addition to root stats")
+var disableRootCgroupStats = flag.Bool("disable_root_cgroup_stats", false, "Disable collecting root Cgroup stats")
 
 type rawFactory struct {
 	// Factory for machine information.

vendor/github.com/google/cadvisor/container/raw/handler.go

@@ -227,6 +227,9 @@ func (self *rawContainerHandler) getFsStats(stats *info.ContainerStats) error {
 }
 
 func (self *rawContainerHandler) GetStats() (*info.ContainerStats, error) {
+	if *disableRootCgroupStats && isRootCgroup(self.name) {
+		return nil, nil
+	}
 	stats, err := self.libcontainerHandler.GetStats()
 	if err != nil {
 		return stats, err

vendor/modules.txt

@@ -435,7 +435,7 @@ github.com/golang/protobuf/ptypes/timestamp
 github.com/golang/protobuf/ptypes/wrappers
 # github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c => github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c
 github.com/google/btree
-# github.com/google/cadvisor v0.33.2-0.20190719172907-9fa3b1429966 => github.com/google/cadvisor v0.33.2-0.20190719172907-9fa3b1429966
+# github.com/google/cadvisor v0.34.0 => github.com/google/cadvisor v0.34.0
 github.com/google/cadvisor/accelerators
 github.com/google/cadvisor/cache/memory
 github.com/google/cadvisor/client/v2