Deploy lava using ansible playbooks

Generally we're standardizing on ansible as a tool to deploy $things;
Whether that's to kubernetes or otherwise.

Switch CI to deploy the staging setup via the lava-server-staging playbook in the
ansible core recipes.

Signed-off-by: Sjoerd Simons <sjoerd@collabora.com>

.gitlab-ci.collabora.yml

@@ -76,24 +76,13 @@ build docker image:
 .deploy:
   stage: deploy
   image:
-    name: quay.io/roboll/helmfile:helm3-v0.139.9
+    name: registry.gitlab.collabora.com/sysadmin/ansible-core-services/core-ansible:main
     entrypoint: [""]
   tags:
     - lightweight
   script:
-    - export GITLAB_APP=$CI_PROJECT_PATH_SLUG
-    - export GITLAB_ENVIRONMENT=$CI_ENVIRONMENT_SLUG
-    - export HOST=$SERVICE_HOST
-    - export LAVA_SERVER_REPOSITORY="$CI_REGISTRY_IMAGE/$CI_COMMIT_REF_SLUG"
-    - export LAVA_SERVER_TAG=$CI_COMMIT_SHA
-    - export POSTGRESQL_PASSWORD=$(kubectl get secret --ignore-not-found --namespace "$KUBE_NAMESPACE" postgresql -o jsonpath="{.data.postgresql-password}" | base64 -d)
-    - |
-      export POSTGRES=""
-      if [ -n "${POSTGRESQL_PASSWORD}" ] ; then
-        export POSTGRES="--set postgresqlPassword=${POSTGRESQL_PASSWORD}"
-      fi
-    - chmod 0400 ${KUBECONFIG}
-    - cd docker/collabora/helm && helmfile --namespace="$KUBE_NAMESPACE" sync ${POSTGRES}
+    - "git clone --depth=1 https://gitlab-ci-token:${CI_JOB_TOKEN}@gitlab.collabora.com/sysadmin/ansible-core-services.git"
+    - cd ansible-core-services/digital-ocean-k8s && ansible-playbook -e IMAGE_TAG=$CI_COMMIT_SHA IMAGE_TAG= lava-server-staging.yaml
   needs:
     - build docker image