Fork CRI server package

Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>

pkg/cri/sbserver/metrics.go

@@ -0,0 +1,58 @@
+/*
+   Copyright The containerd Authors.
+
+   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 sbserver
+
+import (
+	"github.com/docker/go-metrics"
+)
+
+var (
+	sandboxListTimer          metrics.Timer
+	sandboxCreateNetworkTimer metrics.Timer
+	sandboxDeleteNetwork      metrics.Timer
+
+	sandboxRuntimeCreateTimer metrics.LabeledTimer
+	sandboxRuntimeStopTimer   metrics.LabeledTimer
+	sandboxRemoveTimer        metrics.LabeledTimer
+
+	containerListTimer   metrics.Timer
+	containerRemoveTimer metrics.LabeledTimer
+	containerCreateTimer metrics.LabeledTimer
+	containerStopTimer   metrics.LabeledTimer
+	containerStartTimer  metrics.LabeledTimer
+)
+
+func init() {
+	// these CRI metrics record latencies for successful operations around a sandbox and container's lifecycle.
+	ns := metrics.NewNamespace("containerd", "cri", nil)
+
+	sandboxListTimer = ns.NewTimer("sandbox_list", "time to list sandboxes")
+	sandboxCreateNetworkTimer = ns.NewTimer("sandbox_create_network", "time to create the network for a sandbox")
+	sandboxDeleteNetwork = ns.NewTimer("sandbox_delete_network", "time to delete a sandbox's network")
+
+	sandboxRuntimeCreateTimer = ns.NewLabeledTimer("sandbox_runtime_create", "time to create a sandbox in the runtime", "runtime")
+	sandboxRuntimeStopTimer = ns.NewLabeledTimer("sandbox_runtime_stop", "time to stop a sandbox", "runtime")
+	sandboxRemoveTimer = ns.NewLabeledTimer("sandbox_remove", "time to remove a sandbox", "runtime")
+
+	containerListTimer = ns.NewTimer("container_list", "time to list containers")
+	containerRemoveTimer = ns.NewLabeledTimer("container_remove", "time to remove a container", "runtime")
+	containerCreateTimer = ns.NewLabeledTimer("container_create", "time to create a container", "runtime")
+	containerStopTimer = ns.NewLabeledTimer("container_stop", "time to stop a container", "runtime")
+	containerStartTimer = ns.NewLabeledTimer("container_start", "time to start a container", "runtime")
+
+	metrics.Register(ns)
+}