Add init container for Asterisk sound file downloads

apps/asterisk/deployment.yaml

@@ -21,6 +21,20 @@ spec:
       dnsPolicy: ClusterFirstWithHostNet
       securityContext:
         fsGroup: 0
+      initContainers:
+        - name: install-sounds
+          image: busybox:latest
+          command:
+            - sh
+            - -c
+            - |
+              mkdir -p /sounds/en &&
+              wget -qO- http://downloads.asterisk.org/pub/telephony/sounds/asterisk-core-sounds-en-ulaw-current.tar.gz | tar xz -C /sounds/en/ &&
+              wget -qO- http://downloads.asterisk.org/pub/telephony/sounds/asterisk-extra-sounds-en-ulaw-current.tar.gz | tar xz -C /sounds/en/ &&
+              echo "Sound files installed: $(find /sounds/en -type f | wc -l) files"
+          volumeMounts:
+            - name: sounds
+              mountPath: /sounds/en
       containers:
         - name: asterisk
           image: localhost/andrius/asterisk:latest
@@ -61,6 +75,8 @@ spec:
               mountPath: /var/spool/asterisk
             - name: asterisk-logs
               mountPath: /var/log/asterisk
+            - name: sounds
+              mountPath: /var/lib/asterisk/sounds/en
           resources:
             requests:
               cpu: 100m
@@ -130,3 +146,5 @@ spec:
             claimName: asterisk-data
         - name: asterisk-logs
           emptyDir: {}
+        - name: sounds
+          emptyDir: {}