Rename install-javascript-packages to ensure-javascript-packages for consistency

The old role will be kept and include ensure-javascript-packages for backwards-compatability.

Change-Id: Ibb896edf0652a19be13018b4abddb4a81c51f07b

doc/source/js-roles.rst

@@ -1,6 +1,7 @@
 Javascript Roles
 ================
 
+.. zuul:autorole:: ensure-javascript-packages
 .. zuul:autorole:: fetch-javascript-content-tarball
 .. zuul:autorole:: fetch-javascript-output
 .. zuul:autorole:: fetch-javascript-tarball

playbooks/javascript/pre.yaml

@@ -2,4 +2,4 @@
   roles:
     - install-nodejs
     - install-yarn
-    - install-javascript-packages
+    - ensure-javascript-packages

roles/ensure-javascript-packages/README.rst

@@ -0,0 +1,14 @@
+Install javascript dependencies needed for a project
+
+**Role Variables**
+
+.. zuul:rolevar:: zuul_work_dir
+   :default: {{ zuul.project.src_dir }}
+
+   The directory to work in.
+
+.. zuul:rolevar:: tox_constraints_file
+
+   Path to a pip constraints file. Will set the
+   ``UPPER_CONSTRAINTS_FILE`` environment variable.  Useful if npm
+   ``postinstall`` runs tox.

roles/ensure-javascript-packages/defaults/main.yaml

@@ -0,0 +1,3 @@
+npm_environment:
+  DISPLAY: ':99'
+zuul_work_dir: "{{ zuul.project.src_dir }}"

roles/ensure-javascript-packages/tasks/main.yaml

@@ -0,0 +1,44 @@
+- name: Check to see if the constraints file exists
+  stat:
+    path: "{{ tox_constraints_file }}"
+    get_checksum: false
+    get_mime: false
+    get_md5: false
+  register: stat_results
+  when: tox_constraints_file is defined
+
+- name: Fail if constraints file is missing
+  when: tox_constraints_file is defined and not stat_results.stat.exists
+  fail:
+    msg: tox_constraints_file is defined but was not found
+
+- name: Record file location
+  set_fact:
+    tox_constraints_env:
+      TOX_CONSTRAINTS_FILE: "{{ tox_constraints_file }}"
+      # Backward compatibility, to be removed
+      UPPER_CONSTRAINTS_FILE: "{{ tox_constraints_file }}"
+  when: tox_constraints_file is defined
+
+- name: Check for yarn.lock file
+  stat:
+    path: "{{ zuul_work_dir }}/yarn.lock"
+    get_checksum: false
+    get_mime: false
+    get_md5: false
+  register: yarn_lock
+
+- name: Install yarn dependencies
+  command: yarn install
+  environment:
+    DISPLAY: ':99'
+  args:
+    chdir: "{{ zuul_work_dir }}"
+  when: yarn_lock.stat.exists
+
+- name: Install npm dependencies
+  command: npm install --verbose
+  environment: "{{ npm_environment|combine(tox_constraints_env|default({})) }}"
+  args:
+    chdir: "{{ zuul_work_dir }}"
+  when: not yarn_lock.stat.exists

roles/install-javascript-packages/tasks/main.yaml

@@ -1,44 +1,3 @@
-- name: Check to see if the constraints file exists
-  stat:
-    path: "{{ tox_constraints_file }}"
-    get_checksum: false
-    get_mime: false
-    get_md5: false
-  register: stat_results
-  when: tox_constraints_file is defined
-
-- name: Fail if constraints file is missing
-  when: tox_constraints_file is defined and not stat_results.stat.exists
-  fail:
-    msg: tox_constraints_file is defined but was not found
-
-- name: Record file location
-  set_fact:
-    tox_constraints_env:
-      TOX_CONSTRAINTS_FILE: "{{ tox_constraints_file }}"
-      # Backward compatibility, to be removed
-      UPPER_CONSTRAINTS_FILE: "{{ tox_constraints_file }}"
-  when: tox_constraints_file is defined
-
-- name: Check for yarn.lock file
-  stat:
-    path: "{{ zuul_work_dir }}/yarn.lock"
-    get_checksum: false
-    get_mime: false
-    get_md5: false
-  register: yarn_lock
-
-- name: Install yarn dependencies
-  command: yarn install
-  environment:
-    DISPLAY: ':99'
-  args:
-    chdir: "{{ zuul_work_dir }}"
-  when: yarn_lock.stat.exists
-
-- name: Install npm dependencies
-  command: npm install --verbose
-  environment: "{{ npm_environment|combine(tox_constraints_env|default({})) }}"
-  args:
-    chdir: "{{ zuul_work_dir }}"
-  when: not yarn_lock.stat.exists
+- name: Include ensure-javascript-packages
+  include_role:
+    name: ensure-javascript-packages