MK8S-184 - Add restart script to react when control plane ingress change #4822
There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| #!/usr/bin/env python3 | ||
| import hashlib | ||
| import os | ||
| import sys | ||
| from datetime import datetime, timezone | ||
| from pathlib import Path | ||
|
|
||
| import requests | ||
|
|
||
| HASH_FILE_NAME = ".ca-hash-previous" | ||
|
|
||
| SA_TOKEN = Path("/var/run/secrets/kubernetes.io/serviceaccount/token") | ||
| SA_CA = Path("/var/run/secrets/kubernetes.io/serviceaccount/ca.crt") | ||
| K8S_API = "https://kubernetes.default.svc" | ||
|
|
||
|
|
||
| def hash_file(file_path: Path) -> str: | ||
| h = hashlib.sha256() | ||
| h.update(file_path.read_bytes()) | ||
| return h.hexdigest() | ||
|
|
||
|
|
||
| def trigger_restart(namespace: str, deployment: str) -> None: | ||
| token = SA_TOKEN.read_text() | ||
| timestamp = datetime.now(timezone.utc).strftime("%Y-%m-%dT%H:%M:%SZ") | ||
| body = { | ||
| "spec": { | ||
| "template": { | ||
| "metadata": { | ||
| "annotations": {"kubectl.kubernetes.io/restartedAt": timestamp} | ||
| } | ||
| } | ||
| } | ||
| } | ||
| url = f"{K8S_API}/apis/apps/v1/namespaces/{namespace}/deployments/{deployment}" | ||
| response = requests.patch( | ||
| url, | ||
| json=body, | ||
| headers={ | ||
| "Authorization": f"Bearer {token}", | ||
| "Content-Type": "application/strategic-merge-patch+json", | ||
| }, | ||
| verify=SA_CA, | ||
| ) | ||
| response.raise_for_status() | ||
|
|
||
|
|
||
| def main() -> None: | ||
| ca_dir = Path(os.environ["CA_DIR"]) | ||
| ca_file = ca_dir / os.environ["CA_FILE_NAME"] | ||
| hash_file_path = ca_dir / HASH_FILE_NAME | ||
|
|
||
| if not ca_file.exists(): | ||
| print(f"CA file {ca_file} does not exist, skipping") | ||
| return | ||
|
|
||
| current_hash = hash_file(ca_file) | ||
|
|
||
| if not hash_file_path.exists(): | ||
| hash_file_path.write_text(current_hash) | ||
| print("Initial CA load, skipping restart") | ||
| return | ||
|
|
||
| previous_hash = hash_file_path.read_text().strip() | ||
|
|
||
| if current_hash == previous_hash: | ||
| return | ||
|
|
||
| namespace = os.environ["DEPLOYMENT_NAMESPACE"] | ||
| deployment = os.environ["DEPLOYMENT_NAME"] | ||
|
|
||
| try: | ||
| trigger_restart(namespace, deployment) | ||
| except requests.RequestException as e: | ||
| print( | ||
| f"Failed to trigger restart for {deployment}: {e}", | ||
| file=sys.stderr, | ||
| ) | ||
| sys.exit(1) | ||
|
|
||
| # Persist hash only after successful restart | ||
| hash_file_path.write_text(current_hash) | ||
| print(f"Rolling restart triggered for {deployment}") | ||
|
|
||
|
|
||
| if __name__ == "__main__": | ||
| main() | ||
TeddyAndrieux marked this conversation as resolved.
Show resolved
Hide resolved
|
||
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| {%- set prometheus_defaults = salt.slsutil.renderer( | ||
| 'salt://metalk8s/addons/prometheus-operator/config/prometheus.yaml', | ||
| saltenv=saltenv | ||
| ) | ||
| %} | ||
|
|
||
| {%- set prometheus = salt.metalk8s_service_configuration.get_service_conf( | ||
| 'metalk8s-monitoring', 'metalk8s-prometheus-config', prometheus_defaults | ||
| ) | ||
| %} | ||
|
|
||
| {%- set alertmanager_defaults = salt.slsutil.renderer( | ||
| 'salt://metalk8s/addons/prometheus-operator/config/alertmanager.yaml', | ||
| saltenv=saltenv | ||
| ) | ||
| %} | ||
|
|
||
| {%- set alertmanager = salt.metalk8s_service_configuration.get_service_conf( | ||
| 'metalk8s-monitoring', 'metalk8s-alertmanager-config', alertmanager_defaults | ||
| ) | ||
| %} | ||
|
|
||
| {%- set prometheus_oidc_enabled = prometheus.spec.get('config', {}).get('enable_oidc_authentication', False) %} | ||
| {%- set alertmanager_oidc_enabled = alertmanager.spec.get('config', {}).get('enable_oidc_authentication', False) %} | ||
|
|
||
| {%- if prometheus_oidc_enabled or alertmanager_oidc_enabled %} | ||
|
|
||
| {%- set script_content = salt['cp.get_file_str']( | ||
| 'salt://metalk8s/addons/prometheus-operator/deployed/files/restart-on-ca-change.py', | ||
| saltenv=saltenv | ||
| ) | ||
| %} | ||
|
|
||
| Create oidc-proxy-restart-script ConfigMap: | ||
| metalk8s_kubernetes.object_present: | ||
| - manifest: | ||
| apiVersion: v1 | ||
| kind: ConfigMap | ||
| metadata: | ||
| name: oidc-proxy-restart-script | ||
| namespace: metalk8s-monitoring | ||
| labels: | ||
| app.kubernetes.io/managed-by: salt | ||
| app.kubernetes.io/part-of: metalk8s | ||
| heritage: metalk8s | ||
| data: | ||
| restart-on-ca-change.py: |- | ||
| {{ script_content | indent(12) }} | ||
|
|
||
| {%- else %} | ||
|
|
||
| Ensure oidc-proxy-restart-script ConfigMap does not exist: | ||
| metalk8s_kubernetes.object_absent: | ||
| - name: oidc-proxy-restart-script | ||
| - namespace: metalk8s-monitoring | ||
| - kind: ConfigMap | ||
| - apiVersion: v1 | ||
|
|
||
| {%- endif %} |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.
Oops, something went wrong.
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Uh oh!
There was an error while loading. Please reload this page.