include redis-ha

charts/traccar/Chart.lock

@@ -2,5 +2,8 @@ dependencies:
 - name: mysql
   repository: https://charts.bitnami.com/bitnami
   version: 9.4.8
-digest: sha256:c54ca45ec9055b33d96c582be62d5c4afd9501f2edfee0afaa73876b7ae13cfa
-generated: "2023-01-28T11:57:35.495179799+01:00"
+- name: redis-ha
+  repository: https://dandydeveloper.github.io/charts
+  version: 4.23.0
+digest: sha256:91b7dd321c826a5721204763f11ac8a641c60cc23690250ca2eecd8c368cdac8
+generated: "2023-12-09T13:20:23.900368+01:00"

charts/traccar/Chart.yaml

@@ -9,6 +9,10 @@ dependencies:
     version: 9.4.8
     repository: https://charts.bitnami.com/bitnami
     condition: mysql.enabled
+  - name: redis-ha
+    version: 4.23.0
+    repository: https://dandydeveloper.github.io/charts
+    condition: redis-ha.enabled
 maintainers:
   - email: [email protected]
     name: kondas

charts/traccar/ci/ha-with-redis-values.yaml

@@ -0,0 +1,16 @@
+replicaCount: 2
+
+deploymentStrategy:
+  rollingUpdate:
+    maxSurge: 25%
+    maxUnavailable: 25%
+  type: RollingUpdate
+
+redis-ha:
+  enabled: true
+  # defaults to 3. but we wan't CI to run through in a reasonable time.
+  replicas: 1
+  haproxy:
+    replicas: 1
+    hardAntiAffinity: false
+  hardAntiAffinity: false

charts/traccar/templates/configmap.yaml

@@ -401,6 +401,10 @@ data:
         <entry key='notificator.telegram.sendLocation'>{{ .Values.traccar.notificator.telegram.sendLocation }}</entry>
 {{- end }}
 {{- end }}
+{{- end }}
+{{- if (index .Values "redis-ha").enabled }}
+        <entry key='broadcast.type'>redis</entry>
+        <entry key='broadcast.address'>redis://{{ include "traccar.fullname" . }}-redis-ha-haproxy:6379</entry>
 {{- end }}
     </properties>
 {{- end }}

charts/traccar/templates/deployment.yaml

@@ -36,13 +36,13 @@ spec:
         - name: config
           configMap:
             name: {{ include "traccar.fullname" . }}
-{{- if or .Values.mysql.enabled .Values.initContainers }}
+{{- if or .Values.mysql.enabled (index .Values "redis-ha").enabled .Values.initContainers }}
       initContainers:
 {{- if .Values.mysql.enabled }}
         - name: wait-for-db
           securityContext:
             {{- toYaml .Values.securityContext | nindent 12 }}
-          image: "alpine:3.6"
+          image: "alpine:3.19"
           command:
             - 'sh'
             - '-c'
@@ -51,6 +51,19 @@ spec:
                 do sleep 2;
               done
 {{- end }}
+{{- if (index .Values "redis-ha").enabled }}
+        - name: wait-for-redis
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          image: "alpine:3.19"
+          command:
+            - 'sh'
+            - '-c'
+            - >
+              until nc -z -w 2 {{ include "traccar.fullname" . }}-redis-master 6379 && echo redis ok;
+                do sleep 2;
+              done
+{{- end }}
 {{- with .Values.initContainers }}
         {{- if eq (typeOf .) "string" }}
         {{- tpl . $ | nindent 8 }}

charts/traccar/values.yaml

@@ -116,7 +116,8 @@ mysql:
       enabled: false
 
 # NOTE: When using multiple replicas, you must configure broadcast.type and broadcast.address
-#       This must be done via configOverride. See https://www.traccar.org/configuration-file/#:~:text=attributes%20to%20log.-,broadcast.type,-config
+#       This can be done via configOverride. See https://www.traccar.org/configuration-file/#:~:text=attributes%20to%20log.-,broadcast.type,-config
+#       Or by setting redis.enabled=true
 replicaCount: 1
 
 deploymentStrategy:
@@ -907,3 +908,15 @@ nodeSelector:
 tolerations: []
 
 affinity: {}
+
+redis-ha:
+  # enables the redis subchart
+  enabled: false
+  persistentVolume:
+    enabled: false
+  redis:
+    masterGroupName: traccar
+  config:
+    save: '""'
+  haproxy:
+    enabled: true

ct.yaml

@@ -5,4 +5,5 @@ chart-dirs:
   - charts
 chart-repos:
   - bitnami=https://charts.bitnami.com/bitnami
+  - dandydeveloper=https://dandydeveloper.github.io/charts
 helm-extra-args: --timeout 600s