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Add --watch-referenced-objects-in-all-namespaces CLI argument

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Signed-off-by: Simon Pasquier <spasquie@redhat.com>
This commit is contained in:
Simon Pasquier
2025-07-07 17:03:44 +02:00
parent 62d6a89e94
commit 5fb77b48b2
7 changed files with 262 additions and 30 deletions
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17
cmd/operator/main.go
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@@ -168,6 +168,7 @@ func parseFlags(fs *flag.FlagSet) {
fs.Var(cfg.Namespaces.AlertmanagerAllowList, "alertmanager-instance-namespaces", "Namespaces where Alertmanager custom resources and corresponding StatefulSets are watched/created. If set this takes precedence over --namespaces or --deny-namespaces for Alertmanager custom resources.")
fs.Var(cfg.Namespaces.AlertmanagerConfigAllowList, "alertmanager-config-namespaces", "Namespaces where AlertmanagerConfig custom resources and corresponding Secrets are watched/created. If set this takes precedence over --namespaces or --deny-namespaces for AlertmanagerConfig custom resources.")
fs.Var(cfg.Namespaces.ThanosRulerAllowList, "thanos-ruler-instance-namespaces", "Namespaces where ThanosRuler custom resources and corresponding StatefulSets are watched/created. If set this takes precedence over --namespaces or --deny-namespaces for ThanosRuler custom resources.")
fs.BoolVar(&cfg.WatchObjectRefsInAllNamespaces, "watch-referenced-objects-in-all-namespaces", false, "When true the operator watches for configmaps and secrets in both workload and configuration resource namespaces.\nWhen false (default), the operator will only watch for secrets and configmaps in:\n* Workload namespaces for Prometheus and PrometheusAgent resources.\n* Configuration namespaces for Alertmanager resources.")
fs.Var(&cfg.Annotations, "annotations", "Annotations to be add to all resources created by the operator")
fs.Var(&cfg.Labels, "labels", "Labels to be add to all resources created by the operator")
@@ -212,19 +213,21 @@ func run(fs *flag.FlagSet) int {
}
logger.Info("Starting Prometheus Operator", "version", version.Info(), "build_context", version.BuildContext(), "feature_gates", cfg.Gates.String())
logger.Info("Operator's configuration",
"watch_referenced_objects_in_all_namespaces", cfg.WatchObjectRefsInAllNamespaces,
"controller_id", cfg.ControllerID,
"enable_config_reloader_probes", cfg.ReloaderConfig.EnableProbes)
goruntime.SetMaxProcs(logger)
goruntime.SetMemLimit(logger, memlimitRatio)
if len(cfg.Namespaces.AllowList) > 0 && len(cfg.Namespaces.DenyList) > 0 {
logger.Error(
"--namespaces and --deny-namespaces are mutually exclusive, only one should be provided",
"namespaces", cfg.Namespaces.AllowList,
"deny_namespaces", cfg.Namespaces.DenyList,
)
return 1
}
cfg.Namespaces.Finalize()
logger.Info("namespaces filtering configuration ", "config", cfg.Namespaces.String())
if err := cfg.Namespaces.Finalize(); err != nil {
logger.Error("failed to parse namespaces configuration", "configuration", cfg.Namespaces.String(), "error", err)
return 1
}
logger.Info("Namespaces filtering configuration ", "config", cfg.Namespaces.String())
ctx, cancel := context.WithCancel(context.Background())
wg, ctx := errgroup.WithContext(ctx)