mirror of
https://github.com/kubernetes/node-problem-detector.git
synced 2026-02-14 18:09:57 +00:00
72 lines
2.3 KiB
Go
72 lines
2.3 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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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 systemlogmonitor
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import (
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"regexp"
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watchertypes "k8s.io/node-problem-detector/pkg/systemlogmonitor/logwatchers/types"
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systemlogtypes "k8s.io/node-problem-detector/pkg/systemlogmonitor/types"
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"k8s.io/node-problem-detector/pkg/types"
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)
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var (
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defaultBufferSize = 10
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defaultLookback = "0"
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defaultEnableMetricsReporting = true
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)
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// MonitorConfig is the configuration of log monitor.
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type MonitorConfig struct {
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// WatcherConfig is the configuration of log watcher.
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watchertypes.WatcherConfig
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// BufferSize is the size (in lines) of the log buffer.
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BufferSize int `json:"bufferSize"`
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// Source is the source name of the log monitor
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Source string `json:"source"`
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// DefaultConditions are the default states of all the conditions log monitor should handle.
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DefaultConditions []types.Condition `json:"conditions"`
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// Rules are the rules log monitor will follow to parse the log file.
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Rules []systemlogtypes.Rule `json:"rules"`
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// EnableMetricsReporting describes whether to report problems as metrics or not.
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EnableMetricsReporting *bool `json:"metricsReporting,omitempty"`
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}
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// ApplyDefaultConfiguration applies default configurations.
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func (mc *MonitorConfig) ApplyDefaultConfiguration() {
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if mc.BufferSize == 0 {
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mc.BufferSize = defaultBufferSize
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}
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if mc.EnableMetricsReporting == nil {
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mc.EnableMetricsReporting = &defaultEnableMetricsReporting
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}
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if mc.Lookback == "" {
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mc.Lookback = defaultLookback
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}
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}
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// ValidateRules verifies whether the regular expressions in the rules are valid.
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func (mc MonitorConfig) ValidateRules() error {
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for _, rule := range mc.Rules {
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_, err := regexp.Compile(rule.Pattern)
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if err != nil {
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return err
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}
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}
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return nil
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}
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