95 lines
2.2 KiB
Go
95 lines
2.2 KiB
Go
package loggerconfig
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import (
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"os"
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"time"
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"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
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"git.frostfs.info/TrueCloudLab/frostfs-observability/logging/lokicore/loki"
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)
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const (
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// LevelDefault is a default logger level.
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LevelDefault = "info"
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DestinationDefault = logger.DestinationStdout
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subsection = "logger"
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lokiSubsection = "loki"
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AddressDefault = "localhost:3100"
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BatchEntriesNumberDefault = 100
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BatchWaitDefault = time.Second
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)
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// Level returns the value of "level" config parameter
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// from "logger" section.
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//
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// Returns LevelDefault if the value is not a non-empty string.
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func Level(c *config.Config) string {
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v := config.StringSafe(
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c.Sub(subsection),
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"level",
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)
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if v != "" {
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return v
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}
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return LevelDefault
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}
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// Destination returns the value of "destination" config parameter
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// from "logger" section.
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//
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// Returns DestinationDefault if the value is not a non-empty string.
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func Destination(c *config.Config) string {
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v := config.StringSafe(
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c.Sub(subsection),
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"destination",
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)
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if v != "" {
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return v
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}
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return DestinationDefault
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}
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// ToLokiConfig extracts loki config.
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func ToLokiConfig(c *config.Config) loki.Config {
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hostname, _ := os.Hostname()
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return loki.Config{
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Enabled: config.BoolSafe(c.Sub(subsection).Sub(lokiSubsection), "enabled"),
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BatchWait: getBatchWait(c),
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BatchEntriesNumber: getBatchEntriesNumber(c),
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Endpoint: getEndpoint(c),
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Labels: map[string]string{
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"hostname": hostname,
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},
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}
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}
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func getBatchWait(c *config.Config) time.Duration {
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v := config.DurationSafe(c.Sub(subsection).Sub(lokiSubsection), "max_batch_delay")
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if v > 0 {
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return v
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}
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return BatchWaitDefault
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}
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func getBatchEntriesNumber(c *config.Config) int {
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v := config.IntSafe(c.Sub(subsection).Sub(lokiSubsection), "max_batch_size")
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if v > 0 {
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return int(v)
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}
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return BatchEntriesNumberDefault
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}
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func getEndpoint(c *config.Config) string {
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v := config.StringSafe(c.Sub(subsection).Sub(lokiSubsection), "endpoint")
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if v != "" {
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return v
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}
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return AddressDefault
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}
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