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Add logging volume metrics to Containerd CRI plugin
Signed-off-by: Sophie Liu <sophieliu@google.com> (cherry picked from commit 3e44498) Signed-off-by: Sophie Liu <sophieliu@google.com>
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/* | ||
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. | ||
*/ | ||
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package io | ||
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import "github.com/docker/go-metrics" | ||
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var ( | ||
inputEntries metrics.Counter | ||
outputEntries metrics.Counter | ||
inputBytes metrics.Counter | ||
outputBytes metrics.Counter | ||
splitEntries metrics.Counter | ||
) | ||
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func init() { | ||
// These CRI metrics record input and output logging volume. | ||
ns := metrics.NewNamespace("containerd", "cri", nil) | ||
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inputEntries = ns.NewCounter("input_entries", "Number of log entries received") | ||
outputEntries = ns.NewCounter("output_entries", "Number of log entries successfully written to disk") | ||
inputBytes = ns.NewCounter("input_bytes", "Size of logs received") | ||
outputBytes = ns.NewCounter("output_bytes", "Size of logs successfully written to disk") | ||
splitEntries = ns.NewCounter("split_entries", "Number of extra log entries created by splitting the "+ | ||
"original log entry. This happens when the original log entry exceeds length limit. "+ | ||
"This metric does not count the original log entry.") | ||
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metrics.Register(ns) | ||
} |