fix: uptimerobot heartbeat

.github/yamllint.config.yaml

@@ -14,6 +14,4 @@ rules:
   brackets:
     min-spaces-inside: 0
     max-spaces-inside: 0
-  indentation:
-    spaces: 2
-    indent-sequences: consistent
+  indentation: enable

cluster/apps/monitoring/uptimerobot-heartbeat/cron-job.yaml

@@ -6,35 +6,37 @@ metadata:
   name: uptimerobot-heartbeat
 spec:
   schedule: "*/5 * * * *"
-  concurrencyPolicy: Forbid
+  concurrencyPolicy: "Forbid"
+  successfulJobsHistoryLimit: 3
+  failedJobsHistoryLimit: 5
   jobTemplate:
     spec:
+      backoffLimit: 3
+      ttlSecondsAfterFinished: 300
       template:
-        metadata:
-          annotations:
-            botkube.io/disable: "true"
         spec:
           restartPolicy: Never
           containers:
-          - name: uptimerobot-heartbeat
-            image: ghcr.io/k8s-at-home/kubectl:v1.22.2
-            imagePullPolicy: IfNotPresent
-            envFrom:
-            - secretRef:
-                name: uptimerobot-heartbeat-url
-            command:
-            - "/bin/sh"
-            - "-ec"
-            - |
-              set -o nounset
-              set -o errexit
-              if [ -z "$UPTIMEROBOT_HEARTBEAT_URL" ]; then
-                printf "%s - Yikes - Missing UPTIMEROBOT_HEARTBEAT_URL environment variable" "$(date -u)"
-                exit 0
-              fi
-              status_code=$(curl --connect-timeout 10 --max-time 30 -I -s -o /dev/null -w '%{http_code}' "$UPTIMEROBOT_HEARTBEAT_URL")
-              if [ "${status_code}" != "200" ]; then
-                printf "%s - Yikes - Heartbeat request failed, http code: %s" "$(date -u)" "$status_code"
-                exit 0
-              fi
-              printf "%s - Success - Heartbeat request received and processed successfully" "$(date -u)"
+            - name: uptimerobot-heartbeat
+              image: ghcr.io/k8s-at-home/kubectl:v1.22.3
+              envFrom:
+                - secretRef:
+                    name: uptimerobot-heartbeat-url
+              command:
+                - "/bin/sh"
+                - "/app/uptimerobot-heartbeat.sh"
+              volumeMounts:
+                - name: uptimerobot-heartbeat
+                  mountPath: /app/uptimerobot-heartbeat.sh
+                  subPath: uptimerobot-heartbeat.sh
+                  readOnly: true
+          volumes:
+            - name: uptimerobot-heartbeat
+              projected:
+                defaultMode: 0775
+                sources:
+                  - configMap:
+                      name: uptimerobot-heartbeat
+                      items:
+                        - key: uptimerobot-heartbeat.sh
+                          path: uptimerobot-heartbeat.sh

cluster/apps/monitoring/uptimerobot-heartbeat/kustomization.yaml

@@ -1,5 +1,15 @@
+---
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-- cron-job.yaml
-- secret.enc.yaml
+  - cron-job.yaml
+  - secret.enc.yaml
+namespace: monitoring
+configMapGenerator:
+  - name: uptimerobot-heartbeat
+    files:
+      - uptimerobot-heartbeat.sh
+generatorOptions:
+  disableNameSuffixHash: true
+  annotations:
+    kustomize.toolkit.fluxcd.io/substitute: disabled

cluster/apps/monitoring/uptimerobot-heartbeat/uptimerobot-heartbeat.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env sh
+
+set -o nounset
+set -o errexit
+
+if [ -z "$UPTIMEROBOT_HEARTBEAT_URL" ]; then
+    printf "%s - Yikes - Missing UPTIMEROBOT_HEARTBEAT_URL environment variable" "$(date -u)"
+    exit 0
+fi
+
+status_code=$(curl --connect-timeout 10 --max-time 30 -I -s -o /dev/null -w '%{http_code}' "$UPTIMEROBOT_HEARTBEAT_URL")
+if [ "${status_code}" != "200" ]; then
+    printf "%s - Yikes - Heartbeat request failed, http code: %s" "$(date -u)" "$status_code"
+    exit 0
+fi
+
+printf "%s - Success - Heartbeat request received and processed successfully" "$(date -u)"