Add role to build the stackviz report

Add a role to build the stackviz report and include it in the
tempest post play.

Change-Id: I085460fc7a4fe6baee2d85c8ab3ea3a2128ea54d

3 files changed, 88 insertions, 0 deletions

diff --git a/roles/process-stackviz/README.rst b/roles/process-stackviz/README.rst
new file mode 100644
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+++ b/roles/process-stackviz/README.rst
@@ -0,0 +1,22 @@
+Generate stackviz report.
+
+Generate stackviz report using subunit and dstat data, using
+the stackviz archive embedded in test images.
+
+**Role Variables**
+
+.. zuul:rolevar:: devstack_base_dir
+   :default: /opt/stack
+
+   The devstack base directory.
+
+.. zuul:rolevar:: stage_dir
+   :default: /opt/stack/logs
+
+   The stage directory where the input data can be found and
+   the output will be produced.
+
+.. zuul:rolevar:: test_results_stage_name
+   :default: test_results
+
+   The name of the subunit file to be used as input.
diff --git a/roles/process-stackviz/defaults/main.yaml b/roles/process-stackviz/defaults/main.yaml
new file mode 100644
index 000000000..b1eb8d9c7
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+++ b/roles/process-stackviz/defaults/main.yaml
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+devstack_base_dir: /opt/stack
+stage_dir: /opt/stack/
+test_results_stage_name: test_results
diff --git a/roles/process-stackviz/tasks/main.yaml b/roles/process-stackviz/tasks/main.yaml
new file mode 100644
index 000000000..09de60642
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+++ b/roles/process-stackviz/tasks/main.yaml
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+- name: Check if stackviz archive exists
+  stat:
+    path: "/opt/cache/files/stackviz-latest.tar.gz"
+  register: stackviz_archive
+
+- debug:
+    msg: "Stackviz archive could not be found in /opt/cache/files/stackviz-latest.tar.gz"
+  when: not stackviz_archive.stat.exists
+
+- name: Check if subunit data exists
+  stat:
+    path: "{{ stage_dir }}/{{ test_results_stage_name }}.subunit"
+  register: subunit_input
+
+- debug:
+    msg: "Subunit file could not be found at {{ stage_dir }}/{{ test_results_stage_name }}.subunit"
+  when: not subunit_input.stat.exists
+
+- name: Install stackviz
+  pip:
+    name: "file://{{ stackviz_archive.stat.path }}"
+    virtualenv: /tmp/stackviz
+    extra_args: -U
+  when:
+    - stackviz_archive.stat.exists
+    - subunit_input.stat.exists
+
+- name: Deploy stackviz static html+js
+  command: cp -pR /tmp/stackviz/share/stackviz-html {{ stage_dir }}/stackviz
+  when:
+    - stackviz_archive.stat.exists
+    - subunit_input.stat.exists
+
+- name: Check if dstat data exists
+  stat:
+    path: "{{ devstack_base_dir }}/logs/dstat-csv.log"
+  register: dstat_input
+  when:
+    - stackviz_archive.stat.exists
+    - subunit_input.stat.exists
+
+- name: Run stackviz with dstat
+  shell: |
+    cat {{ subunit_input.stat.path }} | \
+      /tmp/stackviz/bin/stackviz-export \
+        --dstat "{{ devstack_base_dir }}/logs/dstat-csv.log" \
+        --env --stdin \
+        {{ stage_dir }}/stackviz/data
+  when:
+    - stackviz_archive.stat.exists
+    - subunit_input.stat.exists
+    - dstat_input.stat.exists
+
+- name: Run stackviz without dstat
+  shell: |
+    cat {{ subunit_input.stat.path }} | \
+      /tmp/stackviz/bin/stackviz-export \
+        --env --stdin \
+        {{ stage_dir }}/stackviz/data
+  when:
+    - stackviz_archive.stat.exists
+    - subunit_input.stat.exists
+    - not dstat_input.stat.exists