add initContainer config back

charts/signoz/templates/otel-collector/deployment.yaml

@@ -64,6 +64,21 @@ spec:
           args: 
           - "job"
           - "{{ include "schemaMigrator.fullname" . }}-{{ .Release.Revision }}"
+        {{- if .Values.otelCollector.initContainers.init.enabled }}
+        - name: {{ include "otelCollector.fullname" . }}-init
+          image: {{ include "otelCollector.initContainers.init.image" . }}
+          imagePullPolicy: {{ .Values.otelCollector.initContainers.init.image.pullPolicy }}
+          env:
+            {{- include "snippet.clickhouse-credentials" . | nindent 12 }}
+          {{- with .Values.otelCollector.initContainers.init.command }}
+          command:
+            - sh
+            - -c
+            - until wget --user "${CLICKHOUSE_USER}:${CLICKHOUSE_PASSWORD}" --spider -q {{ include "clickhouse.httpUrl" $ }}{{ .endpoint }}; do echo -e "{{ .waitMessage }}"; sleep {{ .delay }}; done; echo -e "{{ .doneMessage }}";
+          {{- end }}
+          resources:
+            {{- toYaml .Values.otelCollector.initContainers.init.resources | nindent 12 }}
+        {{- end }}
       containers:
         - name: {{ template "otelCollector.fullname" . }}
           image: {{ template "otelCollector.image" . }}

charts/signoz/values.yaml

@@ -1162,6 +1162,28 @@ otelCollector:
   # If set, this has higher precedence than the root level or global value of imagePullSecrets.
   imagePullSecrets: []
 
+  initContainers:
+    init:
+      enabled: false
+      image:
+        registry: docker.io
+        repository: busybox
+        tag: 1.35
+        pullPolicy: IfNotPresent
+      command:
+        delay: 5
+        endpoint: /ping
+        waitMessage: "waiting for clickhouseDB"
+        doneMessage: "clickhouse ready, starting otel collector now"
+      resources: {}
+        # requests:
+        #   cpu: 100m
+        #   memory: 100Mi
+        # limits:
+        #   cpu: 100m
+        #   memory: 100Mi
+
+
   # OpenTelemetry Collector executable
   command:
     # -- OtelCollector command name
@@ -1772,7 +1794,7 @@ otelCollectorMetrics:
 
   initContainers:
     init:
-      enabled: true
+      enabled: false
       image:
         registry: docker.io
         repository: busybox