Add .gitreview and basic Zuul job

Change-Id: I9637e20984b64297e5c7306ffe031d618f0c260f

.gitreview

@@ -0,0 +1,4 @@
+[gerrit]
+host=review.opendev.org
+port=29418
+project=opendev/dstat_graph.git

.zuul.yaml

@@ -0,0 +1,13 @@
+- job:
+    name: dstat_graph-generate-graph
+    description: |
+        Test dstat_graph generation
+    run: playbooks/test.yaml
+
+- project:
+    check:
+      jobs:
+        - dstat_graph-generate-graph
+    gate:
+      jobs:
+        - dstat_graph-generate-graph

playbooks/test.yaml

@@ -0,0 +1,24 @@
+- hosts: all
+  tasks:
+
+    - name: Run build
+      shell: |
+        ./generate_page.sh sample.csv > dstat_graph.html
+      args:
+        chdir: '{{ ansible_user_dir }}/{{ zuul.project.src_dir }}'
+
+    - name: Copy to executor
+      synchronize:
+        src: '{{ ansible_user_dir }}/{{ zuul.project.src_dir }}/dstat_graph.html'
+        dest: '{{ zuul.executor.log_root }}'
+        mode: pull
+
+    - name: Return artifact to Zuul
+      zuul_return:
+        data:
+          zuul:
+            artifacts:
+              - name: 'Sample dstat graphs'
+                url: 'dstat_graph.html'
+                metadata:
+                  type: text/html