Run chartmuseum as a docker container

A docker container for chartmuseum is run with chart
storage volume mounted from hosts' resource dir for chart
repo persistence across container/infra restarts.

Change-Id: I692ff7a3d95414b439b15b5414bc8b959eb79414
Issue-ID: OOM-2665
Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>

8 files changed, 48 insertions, 57 deletions

diff --git a/ansible/roles/chartmuseum/defaults/main.yml b/ansible/roles/chartmuseum/defaults/main.yml
index 6816d151..1d3ae1ba 100644
--- a/ansible/roles/chartmuseum/defaults/main.yml
+++ b/ansible/roles/chartmuseum/defaults/main.yml
@@ -1,3 +1,4 @@
 ---
+chartmuseum_server_image_tar: "{{ chartmuseum_server_image | regex_replace('(\\/|\\:)', '_') }}.tar"
 chartmuseum_port: "8879"
 chartmuseum_storage_dir: "{{ app_data_path }}/chartmuseum"
diff --git a/ansible/roles/chartmuseum/handlers/main.yml b/ansible/roles/chartmuseum/handlers/main.yml
new file mode 100644
index 00000000..867aaf0f
--- /dev/null
+++ b/ansible/roles/chartmuseum/handlers/main.yml
@@ -0,0 +1,14 @@
+---
+- name: Run chartmuseum server container
+  docker_container:
+    name: chartmuseum
+    image: "{{ chartmuseum_server_image }}"
+    env:
+      STORAGE: "local"
+      STORAGE_LOCAL_ROOTDIR: "/charts"
+    volumes:
+      - "{{ chartmuseum_storage_dir }}:/charts:rw"
+    ports:
+      - "{{ chartmuseum_port }}:8080/tcp"
+    restart_policy: unless-stopped
+    recreate: true
diff --git a/ansible/roles/chartmuseum/molecule/default/Dockerfile.j2 b/ansible/roles/chartmuseum/molecule/default/Dockerfile.j2
deleted file mode 100644
index e6aa95d3..00000000
--- a/ansible/roles/chartmuseum/molecule/default/Dockerfile.j2
+++ /dev/null
@@ -1,14 +0,0 @@
-# Molecule managed
-
-{% if item.registry is defined %}
-FROM {{ item.registry.url }}/{{ item.image }}
-{% else %}
-FROM {{ item.image }}
-{% endif %}
-
-RUN if [ $(command -v apt-get) ]; then apt-get update && apt-get install -y python sudo bash ca-certificates && apt-get clean; \
-    elif [ $(command -v dnf) ]; then dnf makecache && dnf --assumeyes install python sudo python-devel python*-dnf bash && dnf clean all; \
-    elif [ $(command -v yum) ]; then yum makecache fast && yum install -y python sudo yum-plugin-ovl bash && sed -i 's/plugins=0/plugins=1/g' /etc/yum.conf && yum clean all; \
-    elif [ $(command -v zypper) ]; then zypper refresh && zypper install -y python sudo bash python-xml && zypper clean -a; \
-    elif [ $(command -v apk) ]; then apk update && apk add --no-cache python sudo bash ca-certificates; \
-    elif [ $(command -v xbps-install) ]; then xbps-install -Syu && xbps-install -y python sudo bash ca-certificates && xbps-remove -O; fi
diff --git a/ansible/roles/chartmuseum/molecule/default/molecule.yml b/ansible/roles/chartmuseum/molecule/default/molecule.yml
index 07652b7a..9c5d1c2a 100644
--- a/ansible/roles/chartmuseum/molecule/default/molecule.yml
+++ b/ansible/roles/chartmuseum/molecule/default/molecule.yml
@@ -7,7 +7,12 @@ lint:
   name: yamllint
 platforms:
   - name: instance-chartmuseum
-    image: centos:7
+    image: molecule-${PREBUILD_PLATFORM_DISTRO:-centos}:${PREBUILD_DISTRO_VERSION:-centos7.6}
+    pre_build_image: True
+    privileged: true
+    override_command: False
+    volumes:
+      - /var/lib/docker
     groups:
       - infrastructure
 provisioner:
@@ -18,13 +23,8 @@ provisioner:
     ANSIBLE_ROLES_PATH: ../../../../test/roles
     ANSIBLE_LIBRARY: ../../../../library
   inventory:
-    group_vars:
-      all:
-        app_name: moleculetestapp
-        app_data_path: "/opt/{{ app_name }}"
-        helm_bin_dir: /usr/local/bin
-        chartmuseum_storage_dir: "/opt/{{ app_name }}/chartmuseum"
-        chartmuseum_port: "1234"
+    links:
+      group_vars: ../../../../group_vars
 scenario:
   name: default
 verifier:
diff --git a/ansible/roles/chartmuseum/molecule/default/prepare.yml b/ansible/roles/chartmuseum/molecule/default/prepare.yml
index 5201bcec..dee6a976 100644
--- a/ansible/roles/chartmuseum/molecule/default/prepare.yml
+++ b/ansible/roles/chartmuseum/molecule/default/prepare.yml
@@ -1,5 +1,8 @@
 ---
 - name: Prepare infra
   hosts: infrastructure
+  vars_files:
+    - ../../../../roles/chartmuseum/defaults/main.yml
   roles:
+    - prepare-docker-dind
     - prepare-chartmuseum
diff --git a/ansible/roles/chartmuseum/molecule/default/tests/test_default.py b/ansible/roles/chartmuseum/molecule/default/tests/test_default.py
index 71d1978d..40773065 100644
--- a/ansible/roles/chartmuseum/molecule/default/tests/test_default.py
+++ b/ansible/roles/chartmuseum/molecule/default/tests/test_default.py
@@ -6,11 +6,9 @@ testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
     os.environ['MOLECULE_INVENTORY_FILE']).get_hosts('all')
 
 
-def test_chartmuseum(host):
-    ansible_vars = host.ansible.get_variables()
-    p = host.process.get(comm="chartmuseum")
-    assert 'chartmuseum --storage local --storage-local-rootdir /opt/' +\
-           ansible_vars['app_name'] + '/chartmuseum -port ' +\
-           ansible_vars['chartmuseum_port'] in p.args
-    assert host.file("/opt/" + ansible_vars['app_name'] +
-           "/chartmuseum").is_directory
+def test_chartmuseum_dir(host):
+    assert host.file("/chartmuseum").is_directory
+
+
+def test_container_running(host):
+    assert host.docker('chartmuseum').is_running
diff --git a/ansible/roles/chartmuseum/molecule/ubuntu/molecule.yml b/ansible/roles/chartmuseum/molecule/ubuntu/molecule.yml
index d2851ccf..5f351a93 100644
--- a/ansible/roles/chartmuseum/molecule/ubuntu/molecule.yml
+++ b/ansible/roles/chartmuseum/molecule/ubuntu/molecule.yml
@@ -7,8 +7,12 @@ lint:
   name: yamllint
 platforms:
   - name: instance-ubuntu-chartmuseum
-    image: ubuntu:18.04
-    dockerfile: ../default/Dockerfile.j2
+    image: molecule-${PREBUILD_PLATFORM_DISTRO:-ubuntu}:${PREBUILD_DISTRO_VERSION:-18.04}
+    pre_build_image: True
+    privileged: true
+    override_command: False
+    volumes:
+      - /var/lib/docker
     groups:
       - infrastructure
 provisioner:
@@ -19,13 +23,8 @@ provisioner:
     ANSIBLE_ROLES_PATH: ../../../../test/roles
     ANSIBLE_LIBRARY: ../../../../library
   inventory:
-    group_vars:
-      all:
-        app_name: moleculetestapp
-        app_data_path: "/opt/{{ app_name }}"
-        helm_bin_dir: /usr/local/bin
-        chartmuseum_storage_dir: "/opt/{{ app_name }}/chartmuseum"
-        chartmuseum_port: "1234"
+    links:
+      group_vars: ../../../../group_vars
   playbooks:
     prepare: ../default/prepare.yml
     converge: ../default/playbook.yml
diff --git a/ansible/roles/chartmuseum/tasks/main.yml b/ansible/roles/chartmuseum/tasks/main.yml
index c5d63a5e..16e41022 100644
--- a/ansible/roles/chartmuseum/tasks/main.yml
+++ b/ansible/roles/chartmuseum/tasks/main.yml
@@ -1,24 +1,14 @@
 ---
-- name: Install chartmuseum
-  copy:
-    src: "{{ app_data_path }}/downloads/chartmuseum"
-    dest: "{{ helm_bin_dir }}"
-    remote_src: true
-    mode: 0755
-
 - name: Create storage directory for chartmuseum
   file:
     path: "{{ chartmuseum_storage_dir }}"
     state: directory
+    mode: 0777
 
-- name: Run Helm chart repository
-  shell: "{{ helm_bin_dir }}/chartmuseum --storage local --storage-local-rootdir {{ chartmuseum_storage_dir }} -port {{ chartmuseum_port }} > /dev/null 2>&1 &"
-  async: 10
-  poll: 3
-  changed_when: false
-
-- name: Check Helm chart repository is running
-  command: pgrep chartmuseum
-  changed_when: false
-  register: pgrep_out
-  failed_when: pgrep_out.rc != 0
+- name: Load chartmuseum server image
+  docker_image:
+    name: "{{ chartmuseum_server_image }}"
+    load_path: "{{ infra_images_path }}/{{ chartmuseum_server_image_tar }}"
+    state: present
+    timeout: 120
+  notify: Run chartmuseum server container