sandbox: add scripts to easily test plays with docker

Automate docker testing. Instead of documenting in Readme.md
just write a script to do it.

Change-Id: Ided972a23545d7bbdf1e0f6fe04dd0a63d26545e
Reviewed-on: https://review.linaro.org/28139
Reviewed-by: Kelley Spoon <kelley.spoon@linaro.org>
Reviewed-by: Benjamin Copeland <ben.copeland@linaro.org>

3 files changed, 113 insertions, 22 deletions

diff --git a/README.sandbox b/README.sandbox
index 4f6db003..b0ecdddb 100644
--- a/README.sandbox
+++ b/README.sandbox
@@ -108,34 +108,21 @@ To login use private key counterpart of pubkey you used during "lxc-create":
 Choice 3: Docker
 ---------------
 
-With docker ansible docker connection module, it's possible to create sandboxes by
-prepending the playbook you want to try with:
+With docker ansible docker connection module, it easy to test sandboxes. We
+use ansible to bring up and docker container with the name of the hosts to
+deploy on, and then create a temporary inventory to run the tests against.
+For example to test gerrit, run:
 
-- name: start up sandbox
-  hosts: localhost
-  vars:
-    base_image: ansible/baseimage:16.04
-    docker_hostname: review.linaro.org
-  tasks:
-    - name: start docker container by running bash
-      local_action: docker image={{base_image}} name={{docker_hostname}} detach=yes tty=yes command=bash
-    - name: add the host to inventory
-      add_host: name={{docker_hostname}} groups="all, gerrit"
+    ./tests/docker-test.sh gerrit
 
-Change the main part of play to include just the host you want to work on and set the connection to type to docker:
+This will create "review.linaro.org" container and run gerrit playbook on it.
 
-- name: Test gerrit
-  hosts: review.linaro.org
-  connection: docker
-
-And then just run the playbook:
-
-    ansible-playbook gerrit.yml
-
-You can log in to the docker container with:
+To login in to the docker container, run:
 
     docker exec -it review.linaro.org /bin/bash
 
+The main limitation this approach is systemd based services won't be
+automatically started.
 
 After sandbox bring-up
 ----------------------
diff --git a/tests/docker-test.sh b/tests/docker-test.sh
new file mode 100755
index 00000000..6178acb2
--- /dev/null
+++ b/tests/docker-test.sh
@@ -0,0 +1,85 @@
+#!/bin/bash
+
+start_docker() {
+    hostname=$1
+    group=$2
+    cat > /tmp/hosts <<EOF
+[$group]
+$hostname ansible_connection=docker
+EOF
+    ansible-playbook --extra-vars "docker_hostname=$hostname" \
+        ./tests/docker-test.yml
+
+}
+
+snakeoil="
+    ssl_cert=/etc/ssl/certs/ssl-cert-snakeoil.pem
+    ssl_key=/etc/ssl/private/ssl-cert-snakeoil.key
+    ssl_ca=/etc/ssl/certs/ssl-cert-snakeoil.pem"
+
+
+jenkins_master()
+{
+    start_docker ci.linaro.org jenkins_master
+    ansible-playbook --skip-tags="nfs,ssh-ldap,letsencrypt,vpn" \
+        --extra-vars "$snakeoil" \
+        -i /tmp/hosts \
+        ./jenkins-master.yml
+}
+
+gerrit()
+{
+    start_docker review.linaro.org gerrit
+    ansible-playbook --skip-tags="imapd" \
+        --extra-vars "$snakeoil" \
+        -i /tmp/hosts \
+        ./gerrit.yml
+}
+
+ssh_ldap()
+{
+    start_docker mmwg-hackbox.linaro.org ssh-ldap
+    ansible-playbook \
+        -i /tmp/hosts \
+        ./ssh-ldap.yml
+}
+
+git()
+{
+    start_docker git-ap.linaro.org git
+    ansible-playbook \
+        --extra-vars "$snakeoil" \
+        -i /tmp/hosts \
+        ./git.yml
+}
+
+obs_server()
+{
+    start_docker obs-server-cn1.linaro.cloud none
+    ansible-playbook --skip-tags="letsencrypt" \
+        --extra-vars "$snakeoil" \
+        -i /tmp/hosts \
+        -l obs-server-cn1.linaro.cloud \
+        ./obs-cn1.yml
+}
+
+case $1 in
+    jenkins-master)
+        jenkins_master
+        ;;
+    gerrit)
+        gerrit
+        ;;
+    git)
+        git
+        ;;
+    ssh-ldap)
+        ssh_ldap
+        ;;
+    obs-server)
+        obs_server
+        ;;
+    *)
+        echo usage $0 service-to-test
+        ;;
+esac
diff --git a/tests/docker-test.yml b/tests/docker-test.yml
new file mode 100644
index 00000000..d479458f
--- /dev/null
+++ b/tests/docker-test.yml
@@ -0,0 +1,19 @@
+# pre-play for docker based testing
+
+- name: start up docker for {{ docker_hostname }}
+  hosts: localhost
+  vars:
+    base_image: linaro/ci-amd64-ubuntu:xenial
+  tasks:
+    - name: get base image
+      local_action: docker_image name={{ base_image }}
+    - name: start docker container
+      local_action:
+          module: docker_container
+          name: "{{ docker_hostname }}"
+          image: "{{ base_image }}"
+          detach: yes
+          tty: yes
+          privileged: yes
+          command: ["sleep", "infinity"]
+