Different configmap for Leader Election per deployment

config/200-role.yaml

@@ -29,7 +29,7 @@ rules:
   - apiGroups: [""]
     resources: ["configmaps"]
     verbs: ["get"]
-    resourceNames: ["config-logging", "config-observability", "feature-flags", "config-leader-election", "config-registry-cert"]
+    resourceNames: ["config-logging", "config-observability", "feature-flags", "config-leader-election-controller", "config-registry-cert"]
 ---
 kind: Role
 apiVersion: rbac.authorization.k8s.io/v1
@@ -48,7 +48,7 @@ rules:
   - apiGroups: [""]
     resources: ["configmaps"]
     verbs: ["get"]
-    resourceNames: ["config-logging", "config-observability", "config-leader-election", "feature-flags"]
+    resourceNames: ["config-logging", "config-observability", "config-leader-election-webhook", "feature-flags"]
   - apiGroups: [""]
     resources: ["secrets"]
     verbs: ["list", "watch"]
@@ -77,7 +77,7 @@ rules:
   - apiGroups: [""]
     resources: ["configmaps"]
     verbs: ["get"]
-    resourceNames: ["config-logging", "config-observability", "feature-flags", "config-leader-election", "config-registry-cert"]
+    resourceNames: ["config-logging", "config-observability", "feature-flags", "config-leader-election-events", "config-registry-cert"]
 ---
 kind: Role
 apiVersion: rbac.authorization.k8s.io/v1

config/config-leader-election.yaml → config/config-leader-election-controller.yaml

@@ -15,7 +15,7 @@
 apiVersion: v1
 kind: ConfigMap
 metadata:
-  name: config-leader-election
+  name: config-leader-election-controller
   namespace: tekton-pipelines
   labels:
     app.kubernetes.io/instance: default

config/config-leader-election-events.yaml

@@ -0,0 +1,52 @@
+# Copyright 2023 Tekton Authors LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: config-leader-election-events
+  namespace: tekton-pipelines
+  labels:
+    app.kubernetes.io/instance: default
+    app.kubernetes.io/part-of: tekton-pipelines
+data:
+  _example: |
+    ################################
+    #                              #
+    #    EXAMPLE CONFIGURATION     #
+    #                              #
+    ################################
+    # This block is not actually functional configuration,
+    # but serves to illustrate the available configuration
+    # options and document them in a way that is accessible
+    # to users that `kubectl edit` this config map.
+    #
+    # These sample configuration options may be copied out of
+    # this example block and unindented to be in the data block
+    # to actually change the configuration.
+    # lease-duration is how long non-leaders will wait to try to acquire the
+    # lock; 15 seconds is the value used by core kubernetes controllers.
+    lease-duration: "60s"
+    # renew-deadline is how long a leader will try to renew the lease before
+    # giving up; 10 seconds is the value used by core kubernetes controllers.
+    renew-deadline: "40s"
+    # retry-period is how long the leader election client waits between tries of
+    # actions; 2 seconds is the value used by core kubernetes controllers.
+    retry-period: "10s"
+    # buckets is the number of buckets used to partition key space of each
+    # Reconciler. If this number is M and the replica number of the controller
+    # is N, the N replicas will compete for the M buckets. The owner of a
+    # bucket will take care of the reconciling for the keys partitioned into
+    # that bucket.
+    buckets: "1"

config/config-leader-election-webhook.yaml

@@ -0,0 +1,52 @@
+# Copyright 2023 Tekton Authors LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: config-leader-election-webhook
+  namespace: tekton-pipelines
+  labels:
+    app.kubernetes.io/instance: default
+    app.kubernetes.io/part-of: tekton-pipelines
+data:
+  _example: |
+    ################################
+    #                              #
+    #    EXAMPLE CONFIGURATION     #
+    #                              #
+    ################################
+    # This block is not actually functional configuration,
+    # but serves to illustrate the available configuration
+    # options and document them in a way that is accessible
+    # to users that `kubectl edit` this config map.
+    #
+    # These sample configuration options may be copied out of
+    # this example block and unindented to be in the data block
+    # to actually change the configuration.
+    # lease-duration is how long non-leaders will wait to try to acquire the
+    # lock; 15 seconds is the value used by core kubernetes controllers.
+    lease-duration: "60s"
+    # renew-deadline is how long a leader will try to renew the lease before
+    # giving up; 10 seconds is the value used by core kubernetes controllers.
+    renew-deadline: "40s"
+    # retry-period is how long the leader election client waits between tries of
+    # actions; 2 seconds is the value used by core kubernetes controllers.
+    retry-period: "10s"
+    # buckets is the number of buckets used to partition key space of each
+    # Reconciler. If this number is M and the replica number of the controller
+    # is N, the N replicas will compete for the M buckets. The owner of a
+    # bucket will take care of the reconciling for the keys partitioned into
+    # that bucket.
+    buckets: "1"

config/controller.yaml

@@ -101,7 +101,7 @@ spec:
         - name: CONFIG_FEATURE_FLAGS_NAME
           value: feature-flags
         - name: CONFIG_LEADERELECTION_NAME
-          value: config-leader-election
+          value: config-leader-election-controller
         - name: CONFIG_SPIRE
           value: config-spire
         - name: SSL_CERT_FILE

config/events.yaml

@@ -83,7 +83,7 @@ spec:
         - name: CONFIG_OBSERVABILITY_NAME
           value: config-observability
         - name: CONFIG_LEADERELECTION_NAME
-          value: config-leader-election
+          value: config-leader-election-events
         - name: SSL_CERT_FILE
           value: /etc/config-registry-cert/cert
         - name: SSL_CERT_DIR

config/resolvers/config-leader-election.yaml

@@ -15,7 +15,7 @@
 apiVersion: v1
 kind: ConfigMap
 metadata:
-  name: config-leader-election
+  name: config-leader-election-resolvers
   namespace: tekton-pipelines-resolvers
   labels:
     app.kubernetes.io/component: resolvers

config/resolvers/resolvers-deployment.yaml

@@ -89,7 +89,7 @@ spec:
         - name: CONFIG_FEATURE_FLAGS_NAME
           value: feature-flags
         - name: CONFIG_LEADERELECTION_NAME
-          value: config-leader-election
+          value: config-leader-election-resolvers
         - name: METRICS_DOMAIN
           value: tekton.dev/resolution
         # Override this env var to set a private hub api endpoint

config/webhook.yaml

@@ -98,7 +98,7 @@ spec:
         - name: CONFIG_OBSERVABILITY_NAME
           value: config-observability
         - name: CONFIG_LEADERELECTION_NAME
-          value: config-leader-election
+          value: config-leader-election-webhook
         - name: CONFIG_FEATURE_FLAGS_NAME
           value: feature-flags
         # If you change PROBES_PORT, you will also need to change the

docs/enabling-ha.md

@@ -38,7 +38,7 @@ kubectl -n tekton-pipelines scale deployment tekton-pipelines-controller --repli
 
 ### Configuring Leader Election
 
-Leader election can be configured in [config-leader-election.yaml](./../config/config-leader-election.yaml). The ConfigMap defines the following parameters:
+Leader election can be configured in [config-leader-election.yaml](./../config/config-leader-election-controller.yaml). The ConfigMap defines the following parameters:
 
 | Parameter            | Default  |
 | -------------------- | -------- |