Different config map for Leader Election per deployment

Change configmap for leader election. This is so that we can
apply changes per deployment. Also changed resolvers leader election
name so that we can avoid conflict with controllers config if we install
in same namespace.

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

@@ -94,7 +94,7 @@ 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
         - name: PROBES_PORT

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  |
 | -------------------- | -------- |