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Merge pull request #2000 from prometheus/fixpanic-systemd-backwards-compat

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Fix panix when using backwards compatible flags
This commit is contained in:
Ben Kochie 2021-03-19 16:22:42 +01:00 committed by GitHub
commit 81caeb6a1b
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1 changed files with 13 additions and 5 deletions
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18
collector/systemd_linux.go
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@ -40,9 +40,17 @@ const (
)
var (
unitInclude = kingpin.Flag("collector.systemd.unit-include", "Regexp of systemd units to include. Units must both match include and not match exclude to be included.").Default(".+").String()
oldUnitInclude = kingpin.Flag("collector.systemd.unit-whitelist", "DEPRECATED: Use --collector.systemd.unit-include").Hidden().String()
unitExclude = kingpin.Flag("collector.systemd.unit-exclude", "Regexp of systemd units to exclude. Units must both match include and not match exclude to be included.").Default(".+\\.(automount|device|mount|scope|slice)").String()
unitIncludeSet bool
unitInclude = kingpin.Flag("collector.systemd.unit-include", "Regexp of systemd units to include. Units must both match include and not match exclude to be included.").Default(".+").PreAction(func(c *kingpin.ParseContext) error {
unitIncludeSet = true
return nil
}).String()
oldUnitInclude = kingpin.Flag("collector.systemd.unit-whitelist", "DEPRECATED: Use --collector.systemd.unit-include").Hidden().String()
unitExcludeSet bool
unitExclude = kingpin.Flag("collector.systemd.unit-exclude", "Regexp of systemd units to exclude. Units must both match include and not match exclude to be included.").Default(".+\\.(automount|device|mount|scope|slice)").PreAction(func(c *kingpin.ParseContext) error {
unitExcludeSet = true
return nil
}).String()
oldUnitExclude = kingpin.Flag("collector.systemd.unit-blacklist", "DEPRECATED: Use collector.systemd.unit-exclude").Hidden().String()
systemdPrivate = kingpin.Flag("collector.systemd.private", "Establish a private, direct connection to systemd without dbus (Strongly discouraged since it requires root. For testing purposes only).").Hidden().Bool()
enableTaskMetrics = kingpin.Flag("collector.systemd.enable-task-metrics", "Enables service unit tasks metrics unit_tasks_current and unit_tasks_max").Bool()
@ -123,7 +131,7 @@ func NewSystemdCollector(logger log.Logger) (Collector, error) {
"Detected systemd version", []string{}, nil)
if *oldUnitExclude != "" {
if *unitExclude == "" {
if !unitExcludeSet {
level.Warn(logger).Log("msg", "--collector.systemd.unit-blacklist is DEPRECATED and will be removed in 2.0.0, use --collector.systemd.unit-exclude")
*unitExclude = *oldUnitExclude
} else {
@ -131,7 +139,7 @@ func NewSystemdCollector(logger log.Logger) (Collector, error) {
}
}
if *oldUnitInclude != "" {
if *unitInclude == "" {
if !unitIncludeSet {
level.Warn(logger).Log("msg", "--collector.systemd.unit-whitelist is DEPRECATED and will be removed in 2.0.0, use --collector.systemd.unit-include")
*unitInclude = *oldUnitInclude
} else {