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47 changes: 47 additions & 0 deletions
47
docs/proposals/images/controlplane/controlplane-init-1.plantuml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| @startuml | ||
| title User creates a Cluster with KubeadmControlPlane | ||
| actor User | ||
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| ' -- GROUPS START --- | ||
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| box #lightgreen | ||
| participant "API Server" | ||
| end box | ||
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| box #lightslategray | ||
| participant "Cluster API Cluster Controller" | ||
| end box | ||
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| ' -- GROUPS END --- | ||
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| User->"API Server":kubectl apply -f cluster.yaml | ||
| "API Server"-->>"Cluster API Cluster Controller": New Cluster | ||
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| "Cluster API Cluster Controller"-> "Cluster API Cluster Controller":Cluster Controller Reconcile | ||
| activate "Cluster API Cluster Controller" | ||
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| note over "Cluster API Cluster Controller": - ✅ Cluster.Status.InfrastructureReady is false\n- ✅ Cluster.Spec.ControlPlaneRef is populated\n- ✅ Cluster.Spec.ControlPlaneRef -> Status.Ready is false | ||
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| opt Required only if the object hasn't been seen before | ||
| "Cluster API Cluster Controller"-> "Cluster API Cluster Controller":Add watcher for \nCluster.Spec.ControlPlaneRef.Kind objects | ||
| end | ||
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| opt Required only if the infrastructure object doesn't have a Cluster owner reference | ||
| "Cluster API Cluster Controller"-> "Cluster API Cluster Controller":Set Cluster.Spec.InfrastructureRef -> OwnerReferences[0] to Cluster | ||
| "Cluster API Cluster Controller"->"API Server": Patch AWSCluster | ||
| "Cluster API Cluster Controller"<<--"API Server": Response | ||
| end | ||
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| opt Required only if the control plane object doesn't have a Cluster owner reference | ||
| "Cluster API Cluster Controller"-> "Cluster API Cluster Controller":Set Cluster.Spec.ControlPlaneRef -> OwnerReferences[0] to Cluster | ||
| "Cluster API Cluster Controller"->"API Server": Patch KubeadmControlPlane | ||
| "Cluster API Cluster Controller"<<--"API Server": Response | ||
| end | ||
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| "Cluster API Cluster Controller"->"API Server": Patch Cluster Status | ||
| "Cluster API Cluster Controller"<<--"API Server": Response | ||
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| deactivate "Cluster API Cluster Controller" | ||
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| hide footbox | ||
| @enduml |
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52 changes: 52 additions & 0 deletions
52
docs/proposals/images/controlplane/controlplane-init-2.plantuml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| @startuml | ||
| title User creates a Cluster with KubeadmControlPlane | ||
|
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||
| ' -- GROUPS START --- | ||
|
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||
| box #lightgreen | ||
| participant "API Server" | ||
| end box | ||
|
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||
| box #violet | ||
| participant "KubeadmControlPlane Controller" | ||
| end box | ||
|
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| ' -- GROUPS END --- | ||
|
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| note right of "KubeadmControlPlane Controller":Watches KubeadmControlPlanes,\nClusters, and owned Machines | ||
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| "API Server"-->>"KubeadmControlPlane Controller": Cluster Updated | ||
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| "KubeadmControlPlane Controller"-> "KubeadmControlPlane Controller":Enqueues KubeadmControlPlane Reconcile | ||
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| "KubeadmControlPlane Controller"-> "KubeadmControlPlane Controller":KubeadmControlPlane Controller Reconcile | ||
| activate "KubeadmControlPlane Controller" | ||
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| note over "KubeadmControlPlane Controller": - ✅ KubeadmControlPlane.OwnerReferences \ncontains a Cluster | ||
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| "KubeadmControlPlane Controller"->"API Server": Get Cluster | ||
| "KubeadmControlPlane Controller"<<--"API Server": Response | ||
|
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| note over "KubeadmControlPlane Controller": - ✅ Cluster.Status.InfrastructureReady is true\n- ✅ KubeadmControlPlane instance is valid | ||
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| "KubeadmControlPlane Controller"->"API Server": Get Machines maching label selector | ||
| "KubeadmControlPlane Controller"<<--"API Server": Response | ||
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| opt KubeadmControlPlane.Spec.Replicas >= 1, no existing Machines found | ||
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| "KubeadmControlPlane Controller"->"API Server": Create KubeadmConfig from KubeadmControlPlane.Spec.KubeadmConfigSpec | ||
| "KubeadmControlPlane Controller"<<--"API Server": Response | ||
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| "KubeadmControlPlane Controller"->"API Server": Create InfrastructureMachine from KubeadmControlPlane.Spec.InfrastructureTemplate | ||
| "KubeadmControlPlane Controller"<<--"API Server": Response | ||
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| "KubeadmControlPlane Controller"->"API Server": Create Machine using refs from created KubeadmConfig and InfrastructureMachine resources | ||
| "KubeadmControlPlane Controller"<<--"API Server": Response | ||
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| end | ||
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| "KubeadmControlPlane Controller"->"API Server": Patch KubeadmControlPlane | ||
| "KubeadmControlPlane Controller"<<--"API Server": Response | ||
|
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||
| hide footbox | ||
| @enduml |
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51 changes: 51 additions & 0 deletions
51
docs/proposals/images/controlplane/controlplane-init-3.plantuml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| @startuml | ||
| title User creates a Cluster with KubeadmControlPlane | ||
|
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||
| ' -- GROUPS START --- | ||
|
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||
| box #lightgreen | ||
| participant "API Server" | ||
| end box | ||
|
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||
| box #violet | ||
| participant "KubeadmControlPlane Controller" | ||
| end box | ||
|
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| ' -- GROUPS END --- | ||
|
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| note right of "KubeadmControlPlane Controller":Watches KubeadmControlPlanes,\nClusters, and owned Machines | ||
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| "API Server"-->>"KubeadmControlPlane Controller": Machine Updated | ||
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| "KubeadmControlPlane Controller"-> "KubeadmControlPlane Controller":Enqueues KubeadmControlPlane Reconcile | ||
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| "KubeadmControlPlane Controller"-> "KubeadmControlPlane Controller":KubeadmControlPlane Controller Reconcile | ||
| activate "KubeadmControlPlane Controller" | ||
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| note over "KubeadmControlPlane Controller": - ✅ KubeadmControlPlane.OwnerReferences \ncontains a Cluster | ||
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| "KubeadmControlPlane Controller"->"API Server": Get Cluster | ||
| "KubeadmControlPlane Controller"<<--"API Server": Response | ||
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| note over "KubeadmControlPlane Controller": - ✅ Cluster.Status.InfrastructureReady is true\n- ✅ KubeadmControlPlane instance is valid | ||
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| "KubeadmControlPlane Controller"->"API Server": Get Machines maching label selector | ||
| "KubeadmControlPlane Controller"<<--"API Server": Response | ||
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| opt KubeadmControlPlane.Spec.Replicas >= 1, 1 or more existing Machines found that is "Ready" | ||
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| "KubeadmControlPlane Controller"-> "KubeadmControlPlane Controller":Set KubeadmControlPlane.Status.Initialized = true | ||
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| opt num Machines matches Replicas, and all Machines "Ready" | ||
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| "KubeadmControlPlane Controller"-> "KubeadmControlPlane Controller":Set KubeadmControlPlane.Status.Ready = true | ||
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| end | ||
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| end | ||
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| "KubeadmControlPlane Controller"->"API Server": Patch KubeadmControlPlane | ||
| "KubeadmControlPlane Controller"<<--"API Server": Response | ||
|
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||
| hide footbox | ||
| @enduml |
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39 changes: 39 additions & 0 deletions
39
docs/proposals/images/controlplane/controlplane-init-4.plantuml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| @startuml | ||
| title User creates a Cluster with KubeadmControlPlane | ||
|
|
||
| ' -- GROUPS START --- | ||
|
|
||
| box #lightgreen | ||
| participant "API Server" | ||
| end box | ||
|
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||
| box #lightslategray | ||
| participant "Cluster API Cluster Controller" | ||
| end box | ||
|
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| ' -- GROUPS END --- | ||
|
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| "API Server"-->>"Cluster API Cluster Controller": KubeadmControlPlane updated | ||
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| "Cluster API Cluster Controller"-> "Cluster API Cluster Controller":Cluster Controller Reconcile | ||
| activate "Cluster API Cluster Controller" | ||
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| opt Cluster.Spec.ControlPlaneRef -> Status.Initialized is true | ||
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| "Cluster API Cluster Controller"-> "Cluster API Cluster Controller":Set Cluster.Status.ControlPlaneInitialized = true | ||
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| opt Cluster.Spec.ControlPlaneRef -> Status.Ready is true | ||
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| "Cluster API Cluster Controller"-> "Cluster API Cluster Controller":Set Cluster.Status.ControlPlaneReady = true | ||
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| end | ||
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| end | ||
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| "Cluster API Cluster Controller"->"API Server": Patch Cluster Status | ||
| "Cluster API Cluster Controller"<<--"API Server": Response | ||
|
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| deactivate "Cluster API Cluster Controller" | ||
|
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||
| hide footbox | ||
| @enduml |
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52 changes: 52 additions & 0 deletions
52
docs/proposals/images/controlplane/controlplane-init-6.plantuml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| @startuml | ||
| title User scales up a KubeadmControlPlane | ||
| actor User | ||
|
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||
| ' -- GROUPS START --- | ||
|
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||
| box #lightgreen | ||
| participant "API Server" | ||
| end box | ||
|
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||
| box #violet | ||
| participant "KubeadmControlPlane Controller" | ||
| end box | ||
|
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||
| ' -- GROUPS END --- | ||
|
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| User->"API Server":kubectl scale cp/my-control-plane -replicas=3 | ||
| "API Server"-->>"KubeadmControlPlane Controller": KubeadmControlPlane Updated | ||
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| "KubeadmControlPlane Controller"-> "KubeadmControlPlane Controller":Enqueues KubeadmControlPlane Reconcile | ||
|
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| "KubeadmControlPlane Controller"-> "KubeadmControlPlane Controller":KubeadmControlPlane Controller Reconcile | ||
| activate "KubeadmControlPlane Controller" | ||
|
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| note over "KubeadmControlPlane Controller": - ✅ KubeadmControlPlane.OwnerReferences \ncontains a Cluster | ||
|
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| "KubeadmControlPlane Controller"->"API Server": Get Cluster | ||
| "KubeadmControlPlane Controller"<<--"API Server": Response | ||
|
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| note over "KubeadmControlPlane Controller": - ✅ Cluster.Status.InfrastructureReady is true\n- ✅ KubeadmControlPlane instance is valid | ||
|
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| "KubeadmControlPlane Controller"->"API Server": Get Machines maching label selector | ||
| "KubeadmControlPlane Controller"<<--"API Server": Response | ||
|
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| opt KubeadmControlPlane.Spec.Replicas >= 1, all existing Machines "Ready", num Machines < Replicas | ||
|
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| "KubeadmControlPlane Controller"->"API Server": Create KubeadmConfig from KubeadmControlPlane.Spec.KubeadmConfigSpec | ||
| "KubeadmControlPlane Controller"<<--"API Server": Response | ||
|
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| "KubeadmControlPlane Controller"->"API Server": Create InfrastructureMachine from KubeadmControlPlane.Spec.InfrastructureTemplate | ||
| "KubeadmControlPlane Controller"<<--"API Server": Response | ||
|
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| "KubeadmControlPlane Controller"->"API Server": Create Machine using refs from created KubeadmConfig and InfrastructureMachine resources | ||
| "KubeadmControlPlane Controller"<<--"API Server": Response | ||
|
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| end | ||
|
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| "KubeadmControlPlane Controller"->"API Server": Update KubeadmControlPlane | ||
| "KubeadmControlPlane Controller"<<--"API Server": Response | ||
|
|
||
| hide footbox | ||
| @enduml |
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55 changes: 55 additions & 0 deletions
55
docs/proposals/images/controlplane/controlplane-init-7.plantuml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| @startuml | ||
| title User scales down a KubeadmControlPlane | ||
| actor User | ||
|
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||
| ' -- GROUPS START --- | ||
|
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||
| box #lightgreen | ||
| participant "API Server" | ||
| end box | ||
|
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||
| box #violet | ||
| participant "KubeadmControlPlane Controller" | ||
| end box | ||
|
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||
| box #lightgreen | ||
| participant "Workload Cluster API Server" | ||
| end box | ||
|
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| ' -- GROUPS END --- | ||
|
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| User->"API Server":kubectl scale cp/my-control-plane -replicas=1 | ||
| "API Server"-->>"KubeadmControlPlane Controller": KubeadmControlPlane Updated | ||
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| "KubeadmControlPlane Controller"-> "KubeadmControlPlane Controller":Enqueues KubeadmControlPlane Reconcile | ||
|
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| "KubeadmControlPlane Controller"-> "KubeadmControlPlane Controller":KubeadmControlPlane Controller Reconcile | ||
| activate "KubeadmControlPlane Controller" | ||
|
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| note over "KubeadmControlPlane Controller": - ✅ KubeadmControlPlane.OwnerReferences \ncontains a Cluster | ||
|
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| "KubeadmControlPlane Controller"->"API Server": Get Cluster | ||
| "KubeadmControlPlane Controller"<<--"API Server": Response | ||
|
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| note over "KubeadmControlPlane Controller": - ✅ Cluster.Status.InfrastructureReady is true\n- ✅ KubeadmControlPlane instance is valid | ||
|
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| "KubeadmControlPlane Controller"->"API Server": Get Machines maching label selector | ||
| "KubeadmControlPlane Controller"<<--"API Server": Response | ||
|
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| note over "KubeadmControlPlane Controller": - Process for selecting a Machine to delete is TBD | ||
|
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| opt KubeadmControlPlane.Spec.Replicas >= 1, all existing Machines "Ready", num Machines > Replicas | ||
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| "KubeadmControlPlane Controller"->"Workload Cluster API Server": Remove etcd Member | ||
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| "KubeadmControlPlane Controller"->"Workload Cluster API Server": Modify kubeadm ConfigMap | ||
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| "KubeadmControlPlane Controller"->"API Server": Delete a Machine | ||
|
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| end | ||
|
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| "KubeadmControlPlane Controller"->"API Server": Update KubeadmControlPlane | ||
| "KubeadmControlPlane Controller"<<--"API Server": Response | ||
|
|
||
| hide footbox | ||
| @enduml |
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