Merge pull request 'Use a locally built docker image for the CI' (#20) from ci_use_locally_built_image into master

Reviewed-on: Aurore/ansible#20

.drone.yml

@@ -4,17 +4,9 @@ type: docker
 name: check
 
 steps:
-  - name: yamllint
-    image: python:3.9-alpine
+  - name: ansible and yaml linting
+    pull: never
+    image: aurore-ansible-lint-image
     commands:
-      - pip install "yamllint>=1.26.0,<2.0"
-      - yamllint -c .yamllint.yml .
-
-  - name: ansible-lint
-    image: python:3.9-alpine
-    commands:
-      - apk add --no-cache gcc musl-dev python3-dev libffi-dev openssl-dev cargo
-      - pip install "ansible-lint==5.0.0"
-      - pip install "ansible>=2.10,<2.11"
       - ansible-lint
 ...

docker-ansible-lint/Dockefile

@@ -0,0 +1,6 @@
+FROM python:3.9-alpine
+
+RUN apk add --no-cache gcc musl-dev python3-dev libffi-dev openssl-dev cargo
+RUN pip install "yamllint>=1.26.0,<2.0"
+RUN pip install "ansible-lint==5.0.0"
+RUN pip install "ansible>=2.10,<2.11"

docker-ansible-lint/README.md

@@ -0,0 +1,18 @@
+# Ansible-lint image
+
+In order to build this image when a new version comes out, you need to
+1. ssh into the drone.adm.auro.re server
+2. git pull this repo to the lastest version
+3. optionnally make the changes if it has not been done yet
+4. `sudo docker build -t aurore-ansible-lint-image docker-ansible-lint/`
+5. ???
+6. enjoy
+
+You can verify that the image was correclty built by running
+```
+# list the images present
+sudo docker image
+
+# run your image with an interactive shell
+sudo docker run -it --rm aurore-ansible-lint-image
+```