update default config from pruner

Author: anithapriyanatarajan

README.md

@@ -97,7 +97,8 @@ Prerequisites:
 
 - Install Pruner
 ```bash
-kubectl apply -f https://raw.githubusercontent.com/openshift-pipelines/tektoncd-pruner/main/release.yaml
+export VERSION=0.1.0 #update version as required
+kubectl apply -f "https://github.com/openshift-pipelines/tektoncd-pruner/releases/download/v$VERSION/release-v$VERSION.yaml"
 ```
 
 Verify installation:
@@ -109,7 +110,7 @@ Look for the `tekton-pruner-controller` pod running.
 
 ## Configuration
 
-The pruner is configured through a ConfigMap in the `tekton-pipelines` namespace. Here's a basic example:
+The pruner is configured through a ConfigMap in the `tekton-pipelines` namespace. By default config includes minimal configuration as per spec [here](https://raw.githubusercontent.com/openshift-pipelines/tektoncd-pruner/refs/heads/main/config/600-tekton-pruner-default-spec.yaml). This can be modified as required. Here's a basic example:
 
 ```yaml
 apiVersion: v1
@@ -121,9 +122,9 @@ data:
   global-config: |
     enforcedConfigLevel: global
     ttlSecondsAfterFinished: 300    # 5 minutes
-    successfulHistoryLimit: 3        # Keep last 3 successful runs
+    successfulHistoryLimit: 3       # Keep last 3 successful runs
     failedHistoryLimit: 3           # Keep last 3 failed runs
-    historyLimit: 5                 # When successfulHistoryLimit and failedHistoryLimit are not set, keep last 5 successful runs and last 5 failed runs (applied individually)
+    historyLimit: 5                 # When successfulHistoryLimit and failedHistoryLimit are not set
 ```
 
 ### Namespace-specific Configuration

config/200-clusterrole.yaml

@@ -1,4 +1,18 @@
+# Copyright 2025 The Tekton Authors
+#
+# 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.
 ---
+
 kind: ClusterRole
 apiVersion: rbac.authorization.k8s.io/v1
 metadata:

config/200-role.yaml

@@ -1,4 +1,18 @@
+# Copyright 2025 The Tekton Authors
+#
+# 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.
 ---
+
 kind: Role
 apiVersion: rbac.authorization.k8s.io/v1
 metadata:

config/200-serviceaccount.yaml

@@ -1,4 +1,18 @@
+# Copyright 2025 The Tekton Authors
+#
+# 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: ServiceAccount
 metadata:

config/201-clusterrolebinding.yaml

@@ -1,4 +1,18 @@
+# Copyright 2025 The Tekton Authors
+#
+# 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: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding
 metadata:

config/201-rolebinding.yaml

@@ -1,4 +1,18 @@
+# Copyright 2025 The Tekton Authors
+#
+# 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: rbac.authorization.k8s.io/v1
 kind: RoleBinding
 metadata:

config/600-tekton-pruner-default-spec.yaml

@@ -1,4 +1,18 @@
+# Copyright 2025 The Tekton Authors
+#
+# 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:
@@ -7,7 +21,4 @@ metadata:
 data:
   global-config: |
     enforcedConfigLevel: global
-    ttlSecondsAfterFinished: 300    # 5 minutes
-    successfulHistoryLimit: 3        # Keep last 3 successful runs
-    failedHistoryLimit: 3           # Keep last 3 failed runs
-    historyLimit: 5                 # When successfulHistoryLimit and failedHistoryLimit are not set, keep last 5 successful and last 5 failed runs individually
+    historyLimit: 100

config/config-info.yaml

@@ -1,4 +1,4 @@
-# Copyright 2021 The Tekton Authors
+# Copyright 2025 The Tekton Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -22,9 +22,4 @@ metadata:
     app.kubernetes.io/instance: default
     app.kubernetes.io/part-of: tektoncd-pruner
 data:
-  # Contains triggers version which can be queried by external
-  # tools such as CLI. Elevated permissions are already given to
-  # this ConfigMap such that even if we don't have access to
-  # other resources in the namespace we still can have access to
-  # this ConfigMap.
   version: "devel"

config/config-logging.yaml

@@ -1,4 +1,18 @@
+# Copyright 2025 The Tekton Authors
+#
+# 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:

config/config-observability.yaml

@@ -1,4 +1,18 @@
+# Copyright 2025 The Tekton Authors
+#
+# 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:

config/controller.yaml

@@ -1,4 +1,18 @@
+# Copyright 2025 The Tekton Authors
+#
+# 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: apps/v1
 kind: Deployment
 metadata: