Role for gathering container runtime logs

Change-Id: Ic380e36d1b15a31818b4eaa27e26e9283fc8bed0

roles/airship-gather-runtime-logs/tasks/main.yml

@@ -0,0 +1,26 @@
+- name: set container runtime
+  set_fact:
+    container_runtime: "docker"
+
+- name: set runtime logs dir
+  set_fact:
+    runtime_logs_dir: "{{ logs_dir }}/{{ container_runtime }}"
+
+- name: ensure directory for runtime logs exists
+  file:
+    state: directory
+    path: "{{ runtime_logs_dir }}"
+
+- name: dump runtime logs
+  shell: |-
+    journalctl --unit "{{ container_runtime }}.service" --no-pager > "{{ runtime_logs_dir }}/{{ container_runtime }}.log"
+  args:
+    executable: /bin/bash
+  ignore_errors: True
+  become: true
+
+- name: "Downloads logs to executor"
+  synchronize:
+    src: "{{ runtime_logs_dir }}"
+    dest: "{{ zuul.executor.log_root }}/{{ inventory_hostname }}"
+    mode: pull