Set the hostname.

.gitlab-ci.yml

@@ -47,13 +47,19 @@ run-ns4:
   extends: .compose-run
   stage: deploy
   tags: [ns4.shore.co.il]
+  variables:
+    HOSTNAME: ns4
 
 run-host01:
   extends: .compose-run
   stage: deploy
   tags: [host01.shore.co.il]
+  variables:
+    HOSTNAME: host01
 
 run-kodi:
   extends: .compose-run
   stage: deploy
   tags: [kodi.shore.co.il]
+  variables:
+    HOSTNAME: kodi

docker-compose.yml

@@ -4,11 +4,12 @@ services:
   filebeat:
     build:
       context: filebeat
+    domainname: &domainname "${HOSTNAME}.shore.co.il"
+    hostname: &hostname "${HOSTNAME}"
     image: registry.shore.co.il/filebeat
     restart: always
     user: root
     volumes:
-      - /etc/hostname:/etc/hostname:ro
       - filebeat:/usr/share/filebeat/data/
       - /var/lib/docker/containers:/var/lib/docker/containers:ro
       - /var/run/docker.sock:/var/run/docker.sock:ro
@@ -16,11 +17,12 @@ services:
   journalbeat:
     build:
       context: journalbeat
+    domainname: *domainname
+    hostname: *hostname
     image: registry.shore.co.il/journalbeat
     restart: always
     user: root
     volumes:
-      - /etc/hostname:/etc/hostname:ro
       - journalbeat:/usr/share/journalbeat/data/
       - /var/log/journal:/var/log/journal
       - /etc/machine-id:/etc/machine-id:ro
@@ -34,7 +36,6 @@ services:
     restart: always
     user: root
     volumes:
-      - /etc/hostname:/etc/hostname:ro
       - metricbeat:/usr/share/metricbeat/data/
       - /var/run/docker.sock:/var/run/docker.sock:ro
       - /sys/fs/cgroup:/hostfs/sys/fs/cgroup:ro
@@ -54,7 +55,6 @@ services:
     network_mode: host
     restart: always
     volumes:
-      - /etc/hostname:/etc/hostname:ro
       - packetbeat:/usr/share/packetbeat/data/
 
 volumes: