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feat: expose pod management policy for workloads

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This commit introduces a new `podManagementPolicy` field for
statefulset-based workloads (Prometheus, PrometheusAgent, Alertmanager
and ThanosRuler). While the default will still be `Parallel`, users have
expressed the need to use `OrderedReady` in specific situations.

Closes #2753

Signed-off-by: Simon Pasquier <spasquie@redhat.com>
This commit is contained in:
Simon Pasquier
2025-11-26 09:07:51 +01:00
parent 1bbd19e13e
commit f09aa3caf4
33 changed files with 701 additions and 20 deletions
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8
jsonnet/prometheus-operator/alertmanagers-crd.json
View File

@@ -5459,6 +5459,14 @@
},
"type": "object"
},
"podManagementPolicy": {
"description": "podManagementPolicy defines the policy for creating/deleting pods when\nscaling up and down.\n\nUnlike the default StatefulSet behavior, the default policy is\n`Parallel` to avoid manual intervention in case a pod gets stuck during\na rollout.\n\nNote that updating this value implies the recreation of the StatefulSet\nwhich incurs a service outage.",
"enum": [
"OrderedReady",
"Parallel"
],
"type": "string"
},
"podMetadata": {
"description": "podMetadata defines labels and annotations which are propagated to the Alertmanager pods.\n\nThe following items are reserved and cannot be overridden:\n* \"alertmanager\" label, set to the name of the Alertmanager instance.\n* \"app.kubernetes.io/instance\" label, set to the name of the Alertmanager instance.\n* \"app.kubernetes.io/managed-by\" label, set to \"prometheus-operator\".\n* \"app.kubernetes.io/name\" label, set to \"alertmanager\".\n* \"app.kubernetes.io/version\" label, set to the Alertmanager version.\n* \"kubectl.kubernetes.io/default-container\" annotation, set to \"alertmanager\".",
"properties": {

8
jsonnet/prometheus-operator/prometheusagents-crd.json
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@@ -4330,6 +4330,14 @@
},
"type": "object"
},
"podManagementPolicy": {
"description": "podManagementPolicy defines the policy for creating/deleting pods when\nscaling up and down.\n\nUnlike the default StatefulSet behavior, the default policy is\n`Parallel` to avoid manual intervention in case a pod gets stuck during\na rollout.\n\nNote that updating this value implies the recreation of the StatefulSet\nwhich incurs a service outage.",
"enum": [
"OrderedReady",
"Parallel"
],
"type": "string"
},
"podMetadata": {
"description": "podMetadata defines labels and annotations which are propagated to the Prometheus pods.\n\nThe following items are reserved and cannot be overridden:\n* \"prometheus\" label, set to the name of the Prometheus object.\n* \"app.kubernetes.io/instance\" label, set to the name of the Prometheus object.\n* \"app.kubernetes.io/managed-by\" label, set to \"prometheus-operator\".\n* \"app.kubernetes.io/name\" label, set to \"prometheus\".\n* \"app.kubernetes.io/version\" label, set to the Prometheus version.\n* \"operator.prometheus.io/name\" label, set to the name of the Prometheus object.\n* \"operator.prometheus.io/shard\" label, set to the shard number of the Prometheus object.\n* \"kubectl.kubernetes.io/default-container\" annotation, set to \"prometheus\".",
"properties": {

8
jsonnet/prometheus-operator/prometheuses-crd.json
View File

@@ -4990,6 +4990,14 @@
},
"type": "object"
},
"podManagementPolicy": {
"description": "podManagementPolicy defines the policy for creating/deleting pods when\nscaling up and down.\n\nUnlike the default StatefulSet behavior, the default policy is\n`Parallel` to avoid manual intervention in case a pod gets stuck during\na rollout.\n\nNote that updating this value implies the recreation of the StatefulSet\nwhich incurs a service outage.",
"enum": [
"OrderedReady",
"Parallel"
],
"type": "string"
},
"podMetadata": {
"description": "podMetadata defines labels and annotations which are propagated to the Prometheus pods.\n\nThe following items are reserved and cannot be overridden:\n* \"prometheus\" label, set to the name of the Prometheus object.\n* \"app.kubernetes.io/instance\" label, set to the name of the Prometheus object.\n* \"app.kubernetes.io/managed-by\" label, set to \"prometheus-operator\".\n* \"app.kubernetes.io/name\" label, set to \"prometheus\".\n* \"app.kubernetes.io/version\" label, set to the Prometheus version.\n* \"operator.prometheus.io/name\" label, set to the name of the Prometheus object.\n* \"operator.prometheus.io/shard\" label, set to the shard number of the Prometheus object.\n* \"kubectl.kubernetes.io/default-container\" annotation, set to \"prometheus\".",
"properties": {

8
jsonnet/prometheus-operator/thanosrulers-crd.json
View File

@@ -4047,6 +4047,14 @@
"description": "paused defines when a ThanosRuler deployment is paused, no actions except for deletion\nwill be performed on the underlying objects.",
"type": "boolean"
},
"podManagementPolicy": {
"description": "podManagementPolicy defines the policy for creating/deleting pods when\nscaling up and down.\n\nUnlike the default StatefulSet behavior, the default policy is\n`Parallel` to avoid manual intervention in case a pod gets stuck during\na rollout.\n\nNote that updating this value implies the recreation of the StatefulSet\nwhich incurs a service outage.",
"enum": [
"OrderedReady",
"Parallel"
],
"type": "string"
},
"podMetadata": {
"description": "podMetadata defines labels and annotations which are propagated to the ThanosRuler pods.\n\nThe following items are reserved and cannot be overridden:\n* \"app.kubernetes.io/name\" label, set to \"thanos-ruler\".\n* \"app.kubernetes.io/managed-by\" label, set to \"prometheus-operator\".\n* \"app.kubernetes.io/instance\" label, set to the name of the ThanosRuler instance.\n* \"thanos-ruler\" label, set to the name of the ThanosRuler instance.\n* \"kubectl.kubernetes.io/default-container\" annotation, set to \"thanos-ruler\".",
"properties": {