ansible: add test to ensure UNIX socket is cleaned on exit; closes #488.

tests/ansible/integration/all.yml

@@ -14,6 +14,7 @@
 - include: local/all.yml
 - include: module_utils/all.yml
 - include: playbook_semantics/all.yml
+- include: process/all.yml
 - include: runner/all.yml
 - include: ssh/all.yml
 - include: strategy/all.yml

tests/ansible/integration/process/all.yml

@@ -0,0 +1 @@
+- include: "unix_socket_cleanup.yml"

tests/ansible/integration/process/unix_socket_cleanup.yml

@@ -0,0 +1,28 @@
+
+- hosts: test-targets[0]
+  tasks:
+  - mitogen_action_script:
+      script: |
+        import glob
+        result['sockets'] = glob.glob('/tmp/mitogen_unix*.sock')
+    register: socks
+
+  - shell: >
+      ANSIBLE_STRATEGY=mitogen_linear
+      ANSIBLE_SSH_ARGS=""
+      ansible -m shell -c local -a whoami -i "{{MITOGEN_INVENTORY_FILE}}" test-targets
+    args:
+      chdir: ../..
+    register: out
+    connection: local
+    when: is_mitogen
+
+  - mitogen_action_script:
+      script: |
+        import glob
+        result['sockets'] = glob.glob('/tmp/mitogen_unix*.sock')
+    register: socks2
+
+  - assert_equal:
+      left: socks
+      right: socks2