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pkg/cri/server/base: log CRI config as embedded JSON

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Use the JSON-encoded representation of the config used, which allows
users to reconstruct a (valid) config file from the logs, which may be
more useful for debugging purposes than the internal (Go) representation.

Before this:

    INFO[2023-12-07T15:33:39.914626385Z] starting cri plugin                           config="{PluginConfig:{ContainerdConfig:{Snapshotter:overlayfs DefaultRuntimeName:runc Runtimes:map[runc:{Type:io.containerd.runc.v2 Path: PodAnnotations:[] ContainerAnnotations:[] Options:map[BinaryName: CriuImagePath: CriuWorkPath: IoGid:0 IoUid:0 NoNewKeyring:false Root: ShimCgroup:] PrivilegedWithoutHostDevices:false PrivilegedWithoutHostDevicesAllDevicesAllowed:false BaseRuntimeSpec: NetworkPluginConfDir: NetworkPluginMaxConfNum:0 Snapshotter: Sandboxer:podsandbox}] DisableSnapshotAnnotations:true DiscardUnpackedLayers:false IgnoreBlockIONotEnabledErrors:false IgnoreRdtNotEnabledErrors:false} CniConfig:{NetworkPluginBinDir:/opt/cni/bin NetworkPluginConfDir:/etc/cni/net.d NetworkPluginMaxConfNum:1 NetworkPluginSetupSerially:false NetworkPluginConfTemplate: IPPreference:} Registry:{ConfigPath: Mirrors:map[] Configs:map[] Auths:map[] Headers:map[]} ImageDecryption:{KeyModel:node} DisableTCPService:true StreamServerAddress:127.0.0.1 StreamServerPort:0 StreamIdleTimeout:4h0m0s EnableSelinux:false SelinuxCategoryRange:1024 SandboxImage:registry.k8s.io/pause:3.9 StatsCollectPeriod:10 EnableTLSStreaming:false X509KeyPairStreaming:{TLSCertFile: TLSKeyFile:} MaxContainerLogLineSize:16384 DisableCgroup:false DisableApparmor:false RestrictOOMScoreAdj:false MaxConcurrentDownloads:3 DisableProcMount:false UnsetSeccompProfile: TolerateMissingHugetlbController:true DisableHugetlbController:true DeviceOwnershipFromSecurityContext:false IgnoreImageDefinedVolumes:false NetNSMountsUnderStateDir:false EnableUnprivilegedPorts:true EnableUnprivilegedICMP:true EnableCDI:false CDISpecDirs:[/etc/cdi /var/run/cdi] ImagePullProgressTimeout:5m0s DrainExecSyncIOTimeout:0s} ContainerdRootDir:/var/lib/docker/containerd/daemon ContainerdEndpoint:/var/run/docker/containerd/containerd.sock RootDir:/var/lib/docker/containerd/daemon/io.containerd.grpc.v1.cri StateDir:/var/run/docker/containerd/daemon/io.containerd.grpc.v1.cri}"

After this:

    INFO[2023-12-07T15:27:15.862946138Z] starting cri plugin                           config="{\"containerd\":{\"snapshotter\":\"overlayfs\",\"defaultRuntimeName\":\"runc\",\"runtimes\":{\"runc\":{\"runtimeType\":\"io.containerd.runc.v2\",\"runtimePath\":\"\",\"PodAnnotations\":null,\"ContainerAnnotations\":null,\"options\":{\"BinaryName\":\"\",\"CriuImagePath\":\"\",\"CriuWorkPath\":\"\",\"IoGid\":0,\"IoUid\":0,\"NoNewKeyring\":false,\"Root\":\"\",\"ShimCgroup\":\"\"},\"privileged_without_host_devices\":false,\"privileged_without_host_devices_all_devices_allowed\":false,\"baseRuntimeSpec\":\"\",\"cniConfDir\":\"\",\"cniMaxConfNum\":0,\"snapshotter\":\"\",\"sandboxer\":\"podsandbox\"}},\"disableSnapshotAnnotations\":true,\"discardUnpackedLayers\":false,\"ignoreBlockIONotEnabledErrors\":false,\"ignoreRdtNotEnabledErrors\":false},\"cni\":{\"binDir\":\"/opt/cni/bin\",\"confDir\":\"/etc/cni/net.d\",\"maxConfNum\":1,\"setupSerially\":false,\"confTemplate\":\"\",\"ipPref\":\"\"},\"registry\":{\"configPath\":\"\",\"mirrors\":null,\"configs\":null,\"auths\":null,\"headers\":null},\"imageDecryption\":{\"keyModel\":\"node\"},\"disableTCPService\":true,\"streamServerAddress\":\"127.0.0.1\",\"streamServerPort\":\"0\",\"streamIdleTimeout\":\"4h0m0s\",\"enableSelinux\":false,\"selinuxCategoryRange\":1024,\"sandboxImage\":\"registry.k8s.io/pause:3.9\",\"statsCollectPeriod\":10,\"enableTLSStreaming\":false,\"x509KeyPairStreaming\":{\"tlsCertFile\":\"\",\"tlsKeyFile\":\"\"},\"maxContainerLogSize\":16384,\"disableCgroup\":false,\"disableApparmor\":false,\"restrictOOMScoreAdj\":false,\"maxConcurrentDownloads\":3,\"disableProcMount\":false,\"unsetSeccompProfile\":\"\",\"tolerateMissingHugetlbController\":true,\"disableHugetlbController\":true,\"device_ownership_from_security_context\":false,\"ignoreImageDefinedVolumes\":false,\"netnsMountsUnderStateDir\":false,\"enableUnprivilegedPorts\":true,\"enableUnprivilegedICMP\":true,\"enableCDI\":false,\"cdiSpecDirs\":[\"/etc/cdi\",\"/var/run/cdi\"],\"imagePullProgressTimeout\":\"5m0s\",\"drainExecSyncIOTimeout\":\"0s\",\"containerdRootDir\":\"/var/lib/docker/containerd/daemon\",\"containerdEndpoint\":\"/var/run/docker/containerd/containerd.sock\",\"rootDir\":\"/var/lib/docker/containerd/daemon/io.containerd.grpc.v1.cri\",\"stateDir\":\"/var/run/docker/containerd/daemon/io.containerd.grpc.v1.cri\"}"

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2023-12-07 16:25:55 +01:00
parent f62edda5a2
commit 8a8c3e2215
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GPG Key ID: 76698F39D527CE8C
1 changed files with 3 additions and 1 deletions
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4
plugins/cri/runtime/plugin.go
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@ -99,7 +99,9 @@ func initCRIRuntime(ic *plugin.InitContext) (interface{}, error) {
StateDir: stateDir,
}
log.G(ctx).WithFields(log.Fields{"config": fmt.Sprintf("%+v", c)}).Info("starting cri plugin")
// Ignoring errors here; this should never fail.
cfg, _ := json.Marshal(c)
log.G(ctx).WithFields(log.Fields{"config": string(cfg)}).Info("starting cri plugin")
if err := setGLogLevel(); err != nil {
return nil, fmt.Errorf("failed to set glog level: %w", err)