Add playbook to pull remote repositories

Set the stx_remote_repo, stx_remote_branch and stx_remote_dest variables
to pull directly from the source repo to test.

Change-Id: I6d5bb56c71c38c4274532c258a1682e578cedf10
Signed-off-by: Dean Troyer <dtroyer@gmail.com>

.zuul.yaml

@@ -1,3 +1,19 @@
 - project:
     templates:
       - noop-jobs
+    check:
+      jobs:
+        - stx-github-debug:
+            vars:
+              stx_remote_repo: https://github.com/starlingx-staging/tools-contrib.git
+              stx_remote_branch: master
+
+- job:
+    name: stx-github-debug
+    parent: tox
+    vars:
+      stx_remote_repo: https://github.com/starlingx-staging/tools.contrib.git
+      stx_remote_branch: master
+      stx_repo_dest: src/test-repo
+      tox_envlist: debug
+    pre-run: playbooks/fetch-remote-repo/pre.yaml

README.rst

@@ -4,4 +4,4 @@ tis-repo
 
 StarlingX Test In Staging
 
-This repo contains test jobs for OpenDev Zuul that pull from starlingx-staging.
+This repo contains test jobs for OpenDev Zuul that pull from remote repositores such as github.com.

playbooks/fetch-remote-repo/pre.yaml

@@ -0,0 +1,23 @@
+# stx_repo_dest - Destination directory (relative to Zuul root)
+# stx_remote_repo - URL for the repo to pull
+# stx_remote_branch - Branch within repo to test
+
+- hosts: all
+  pre_tasks:
+    - name: Determine if repo directory exists already
+      stat:
+        path: "{{ stx_repo_dest }}"
+      register: stx_repo_exists
+
+    - debug:
+        msg: "Cloning {{ stx_remote_repo }} branch {{ stx_remote_branch }}"
+      when: stx_repo_exists.stat.isdir is undefined
+
+    - name: Clone remote repo
+      git:
+        # repo: https://github.com/starlingx-staging/stx-nova.git
+        # version: stx/stein.1
+        repo: "{{ stx_remote_repo }}"
+        version: "{{ stx_remote_branch }}"
+        dest: "{{ stx_repo_dest }}"
+      when: stx_repo_exists.stat.isdir is undefined

tox.ini

@@ -22,15 +22,5 @@ setenv =
 [testenv:debug]
 envdir = {toxworkdir}/shared
 commands =
-  bash -c "pwd; cd ../../../stx-nova; git branch"
-  ls -l ../../../stx-nova
-
-[testenv:pep8]
-envdir = {toxworkdir}/shared
-commands =
-  bash -c "echo placeholder env: pep8"
-
-[testenv:functional]
-envdir = {toxworkdir}/shared
-commands =
-  bash -c "echo placeholder env: functional"
+  bash -c "pwd; cd ../../../test-repo; git branch"
+  ls -l ../../../test-repo