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Introduction of a pod condition type indicating disruption. Its reason field indicates the reason:

Browse Source 
- PreemptionByKubeScheduler (Pod preempted by kube-scheduler)
- DeletionByTaintManager (Pod deleted by taint manager due to NoExecute taint)
- EvictionByEvictionAPI (Pod evicted by Eviction API)
- DeletionByPodGC (an orphaned Pod deleted by PodGC)PreemptedByScheduler (Pod preempted by kube-scheduler)
This commit is contained in:
Michal Wozniak
2022-08-02 07:58:08 +02:00
parent 719f3cf8da
commit 04fcbd721c
18 changed files with 979 additions and 396 deletions
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48
plugin/pkg/auth/authorizer/rbac/bootstrappolicy/controller_policy.go
View File

@@ -241,17 +241,23 @@ func buildControllerRoles() ([]rbacv1.ClusterRole, []rbacv1.ClusterRoleBinding)
rbacv1helpers.NewRule("get", "list", "delete", "deletecollection").Groups("*").Resources("*").RuleOrDie(),
},
})
addControllerRole(&controllerRoles, &controllerRoleBindings, rbacv1.ClusterRole{
ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "node-controller"},
Rules: []rbacv1.PolicyRule{
rbacv1helpers.NewRule("get", "list", "update", "delete", "patch").Groups(legacyGroup).Resources("nodes").RuleOrDie(),
rbacv1helpers.NewRule("patch", "update").Groups(legacyGroup).Resources("nodes/status").RuleOrDie(),
// used for pod eviction
rbacv1helpers.NewRule("update").Groups(legacyGroup).Resources("pods/status").RuleOrDie(),
rbacv1helpers.NewRule("list", "delete").Groups(legacyGroup).Resources("pods").RuleOrDie(),
eventsRule(),
},
})
addControllerRole(&controllerRoles, &controllerRoleBindings, func() rbacv1.ClusterRole {
role := rbacv1.ClusterRole{
ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "node-controller"},
Rules: []rbacv1.PolicyRule{
rbacv1helpers.NewRule("get", "list", "update", "delete", "patch").Groups(legacyGroup).Resources("nodes").RuleOrDie(),
rbacv1helpers.NewRule("patch", "update").Groups(legacyGroup).Resources("nodes/status").RuleOrDie(),
// used for pod deletion
rbacv1helpers.NewRule("update").Groups(legacyGroup).Resources("pods/status").RuleOrDie(),
rbacv1helpers.NewRule("list", "delete").Groups(legacyGroup).Resources("pods").RuleOrDie(),
eventsRule(),
},
}
if utilfeature.DefaultFeatureGate.Enabled(features.PodDisruptionConditions) {
role.Rules = append(role.Rules, rbacv1helpers.NewRule("patch").Groups(legacyGroup).Resources("pods/status").RuleOrDie())
}
return role
}())
addControllerRole(&controllerRoles, &controllerRoleBindings, rbacv1.ClusterRole{
ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "persistent-volume-binder"},
Rules: []rbacv1.PolicyRule{
@@ -275,13 +281,19 @@ func buildControllerRoles() ([]rbacv1.ClusterRole, []rbacv1.ClusterRoleBinding)
eventsRule(),
},
})
addControllerRole(&controllerRoles, &controllerRoleBindings, rbacv1.ClusterRole{
ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "pod-garbage-collector"},
Rules: []rbacv1.PolicyRule{
rbacv1helpers.NewRule("list", "watch", "delete").Groups(legacyGroup).Resources("pods").RuleOrDie(),
rbacv1helpers.NewRule("get", "list").Groups(legacyGroup).Resources("nodes").RuleOrDie(),
},
})
addControllerRole(&controllerRoles, &controllerRoleBindings, func() rbacv1.ClusterRole {
role := rbacv1.ClusterRole{
ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "pod-garbage-collector"},
Rules: []rbacv1.PolicyRule{
rbacv1helpers.NewRule("list", "watch", "delete").Groups(legacyGroup).Resources("pods").RuleOrDie(),
rbacv1helpers.NewRule("get", "list").Groups(legacyGroup).Resources("nodes").RuleOrDie(),
},
}
if utilfeature.DefaultFeatureGate.Enabled(features.PodDisruptionConditions) {
role.Rules = append(role.Rules, rbacv1helpers.NewRule("patch").Groups(legacyGroup).Resources("pods/status").RuleOrDie())
}
return role
}())
addControllerRole(&controllerRoles, &controllerRoleBindings, rbacv1.ClusterRole{
ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "replicaset-controller"},
Rules: []rbacv1.PolicyRule{