Include from external file.

.drone.jsonnet

@@ -6,57 +6,17 @@ local distros = ['centos7',
                  'debian11'];
 
 
-/* Configuration of DIND */
-local docker_service() =
- {
-   name: 'docker',
-   image: 'docker:dind',
-   privileged: true,
-   volumes: [{ name: 'dockersock', path: '/var/run' },],
- };
-
-local email_notification() =
- {
-   name: 'notify by email',
-   image: 'drillster/drone-email',
-   settings:
-    { host: 'mail.guise.net.nz',
-      username:
-        { from_secret: 'EMAIL_USER' },
-      password:
-        { from_secret: 'EMAIL_PASS' },
-      from: 'drone@guise.net.nz'
-    },
-   when:
-     {  status: [ 'changed', 'failure' ] },
-  };
-
-local test_distro(distribution) =
-  {
-    name: 'Test on %(distribution)s' % { distribution: distribution },
-    volumes: [{ name: 'dockersock', path: '/var/run' },],
-    image: 'guisea/ansible-molecule:latest',
-    commands: [
-      'sleep 10', // give docker enough time to start
-      'mkdir ${DRONE_REPO_NAME}',
-      'rsync -a . ${DRONE_REPO_NAME} --exclude ${DRONE_REPO_NAME}',
-      'cd ${DRONE_REPO_NAME}',
-      'molecule test'
-    ],
-    environment:
-     { MOLECULE_DISTRO: '%(distribution)s' % { distribution: distribution }
-     },
-  };
+local utils = import './.drone/docker_service.libsonnet';
 
 local gen_pipeline(distro) = 
   {kind: 'pipeline',
    type: 'docker',
    name: 'Test on %(distro)s' % { distro: distro },
    steps: [
-    test_distro(distro),
-     email_notification()],
+    utils.test_distro(distro),
+    utils.email_notification()],
    services: [ 
-     docker_service(),
+    utils.docker_service(),
    ],
    volumes: 
    [{

.drone/utils.libsonnet

@@ -0,0 +1,42 @@
+{
+docker_service()::
+ {
+   name: 'docker',
+   image: 'docker:dind',
+   privileged: true,
+   volumes: [{ name: 'dockersock', path: '/var/run' },],
+ },
+
+email_notification()::
+ {
+   name: 'notify by email',
+   image: 'drillster/drone-email',
+   settings:
+    { host: 'mail.guise.net.nz',
+      username:
+        { from_secret: 'EMAIL_USER' },
+      password:
+        { from_secret: 'EMAIL_PASS' },
+      from: 'drone@guise.net.nz'
+    },
+   when:
+     {  status: [ 'changed', 'failure' ] },
+  },
+
+test_distro(distribution)::
+  {
+    name: 'Test on %(distribution)s' % { distribution: distribution },
+    volumes: [{ name: 'dockersock', path: '/var/run' },],
+    image: 'guisea/ansible-molecule:latest',
+    commands: [
+      'sleep 10', // give docker enough time to start
+      'mkdir ${DRONE_REPO_NAME}',
+      'rsync -a . ${DRONE_REPO_NAME} --exclude ${DRONE_REPO_NAME}',
+      'cd ${DRONE_REPO_NAME}',
+      'molecule test'
+    ],
+    environment:
+     { MOLECULE_DISTRO: '%(distribution)s' % { distribution: distribution }
+     },
+  },
+}