f25770e48d
This connects the new CRI ContainerCheckpoint RPC to the existing internal checkpoint functions. With this commit it is possible to checkpoint a container in Kubernetes using the Forensic Container Checkpointing KEP (#2008): # curl X POST "https://localhost:10250/checkpoint/namespace/podId/container" Which will result in containerd creating a checkpoint in the location specified by Kubernetes (usually /var/lib/kubelet/checkpoints). This is a Linux only feature because CRIU only exists on Linux. Rewritten with the help of Phil Estes. Signed-off-by: Phil Estes <estesp@gmail.com> Signed-off-by: Adrian Reber <areber@redhat.com>
79 lines
3.7 KiB
Go
79 lines
3.7 KiB
Go
/*
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Copyright The containerd 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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package server
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import (
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"github.com/docker/go-metrics"
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)
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var (
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sandboxListTimer metrics.Timer
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sandboxCreateNetworkTimer metrics.Timer
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sandboxDeleteNetwork metrics.Timer
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sandboxRuntimeCreateTimer metrics.LabeledTimer
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sandboxRuntimeStopTimer metrics.LabeledTimer
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sandboxRemoveTimer metrics.LabeledTimer
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containerListTimer metrics.Timer
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containerRemoveTimer metrics.LabeledTimer
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containerCreateTimer metrics.LabeledTimer
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containerStopTimer metrics.LabeledTimer
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containerStartTimer metrics.LabeledTimer
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containerEventsDroppedCount metrics.Counter
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containerCheckpointTimer metrics.LabeledTimer
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networkPluginOperations metrics.LabeledCounter
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networkPluginOperationsErrors metrics.LabeledCounter
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networkPluginOperationsLatency metrics.LabeledTimer
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)
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func init() {
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// these CRI metrics record latencies for successful operations around a sandbox and container's lifecycle.
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ns := metrics.NewNamespace("containerd", "cri_sandboxed", nil)
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sandboxListTimer = ns.NewTimer("sandbox_list", "time to list sandboxes")
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sandboxCreateNetworkTimer = ns.NewTimer("sandbox_create_network", "time to create the network for a sandbox")
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sandboxDeleteNetwork = ns.NewTimer("sandbox_delete_network", "time to delete a sandbox's network")
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sandboxRuntimeCreateTimer = ns.NewLabeledTimer("sandbox_runtime_create", "time to create a sandbox in the runtime", "runtime")
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sandboxRuntimeStopTimer = ns.NewLabeledTimer("sandbox_runtime_stop", "time to stop a sandbox", "runtime")
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sandboxRemoveTimer = ns.NewLabeledTimer("sandbox_remove", "time to remove a sandbox", "runtime")
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containerListTimer = ns.NewTimer("container_list", "time to list containers")
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containerRemoveTimer = ns.NewLabeledTimer("container_remove", "time to remove a container", "runtime")
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containerCreateTimer = ns.NewLabeledTimer("container_create", "time to create a container", "runtime")
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containerStopTimer = ns.NewLabeledTimer("container_stop", "time to stop a container", "runtime")
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containerStartTimer = ns.NewLabeledTimer("container_start", "time to start a container", "runtime")
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containerEventsDroppedCount = ns.NewCounter("container_events_dropped", "count container discarding event total from server start")
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containerCheckpointTimer = ns.NewLabeledTimer("container_checkpoint", "time to checkpoint a container", "runtime")
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networkPluginOperations = ns.NewLabeledCounter("network_plugin_operations_total", "cumulative number of network plugin operations by operation type", "operation_type")
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networkPluginOperationsErrors = ns.NewLabeledCounter("network_plugin_operations_errors_total", "cumulative number of network plugin operations by operation type", "operation_type")
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networkPluginOperationsLatency = ns.NewLabeledTimer("network_plugin_operations_duration_seconds", "latency in seconds of network plugin operations. Broken down by operation type", "operation_type")
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metrics.Register(ns)
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}
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// for backwards compatibility with kubelet/dockershim metrics
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// https://github.com/containerd/containerd/issues/7801
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const (
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networkStatusOp = "get_pod_network_status"
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networkSetUpOp = "set_up_pod"
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networkTearDownOp = "tear_down_pod"
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)
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