tests: Fix duplicate local task executions

integration/ssh/timeouts.yml is noteworthy. It was an accidental N**2 in time
-  executing num hosts * num hosts tasks.

tests/ansible/bench/file_transfer.yml

@@ -1,14 +1,16 @@
-
 - name: bench/file_transfer.yml
   hosts: test-targets
   tasks:
-
   - name: Make 32MiB file
     delegate_to: localhost
+    run_once: true
     shell: openssl rand 33554432 > /tmp/bigfile.in
+    args:
+      creates: /tmp/bigfile.in
 
   - name: Make 320MiB file
     delegate_to: localhost
+    run_once: true
     shell: >
       cat
       /tmp/bigfile.in
@@ -22,6 +24,8 @@
       /tmp/bigfile.in
       /tmp/bigfile.in
       > /tmp/bigbigfile.in
+    args:
+      creates: /tmp/bigbigfile.in
 
   - name: Delete SSH file is present.
     file:
@@ -36,17 +40,20 @@
     copy:
       src: /tmp/bigfile.in
       dest: /tmp/bigfile.out
+      mode: ugo=rw
 
   - name: Copy 320MiB file via SSH
     copy:
       src: /tmp/bigbigfile.in
       dest: /tmp/bigbigfile.out
+      mode: ugo=rw
 
   - name: Delete localhost sudo file if present.
     file:
       path: "{{item}}"
       state: absent
     delegate_to: localhost
+    run_once: true
     become: true
     with_items:
     - /tmp/bigfile.out
@@ -56,21 +63,51 @@
 
   - name: Copy 32MiB file via localhost sudo
     delegate_to: localhost
+    run_once: true
     become: true
     copy:
       src: /tmp/bigfile.in
       dest: /tmp/bigfile.out
+      mode: ugo=rw
     tags:
       - requires_local_sudo
 
   - name: Copy 320MiB file via localhost sudo
     delegate_to: localhost
+    run_once: true
     become: true
     copy:
       src: /tmp/bigbigfile.in
       dest: /tmp/bigbigfile.out
+      mode: ugo=rw
     tags:
       - requires_local_sudo
 
+  - name: Local cleanup
+    file:
+      path: "{{ item.path }}"
+      state: absent
+    loop:
+      - /tmp/bigfile.in
+      - /tmp/bigfile.out
+      - /tmp/bigbigfile.in
+      - /tmp/bigbigfile.out
+    delegate_to: localhost
+    run_once: true
+    tags:
+      - cleanup_local
+      - cleanup
+
+  - name: Target cleanup
+    file:
+      path: "{{ item.path }}"
+      state: absent
+    loop:
+      - /tmp/bigfile.out
+      - /tmp/bigbigfile.out
+    tags:
+      - cleanup_target
+      - cleanup
+
   tags:
   - resource_intensive

tests/ansible/integration/action/copy.yml

@@ -9,13 +9,15 @@
         content:
           this is a tiny file.
       delegate_to: localhost
+      run_once: true
 
     - name: Create large file
       copy:
         dest: /tmp/copy-large-file
         # Must be larger than Connection.SMALL_SIZE_LIMIT.
         content: "{% for x in range(200000) %}x{% endfor %}"
       delegate_to: localhost
+      run_once: true
 
     - name: Cleanup copied files
       file:

tests/ansible/integration/action/fixup_perms2__copy.yml

@@ -38,6 +38,7 @@
 
     - name: Create local weird mode file
       delegate_to: localhost
+      run_once: true
       copy:
         content: "weird mode"
         dest: "/tmp/weird-mode"

tests/ansible/integration/action/synchronize.yml

@@ -24,18 +24,21 @@
         path: /tmp/sync-test
         state: absent
       delegate_to: localhost
+      run_once: true
 
     - name: Create sync-test
       file:
         path: /tmp/sync-test
         state: directory
       delegate_to: localhost
+      run_once: true
 
     - name: Create syn-test item
       copy:
         dest: /tmp/sync-test/item
         content: "item!"
       delegate_to: localhost
+      run_once: true
 
     # TODO: https://github.com/dw/mitogen/issues/692
     # - file:

tests/ansible/integration/connection/_cleanup_file.yml

@@ -0,0 +1,17 @@
+- name: Cleanup local file
+  file:
+    path: /tmp/{{ file_name }}
+    state: absent
+  delegate_to: localhost
+  run_once: true
+  tags:
+    - cleanup_local
+    - cleanup
+
+- name: Cleanup target file
+  file:
+    path: /tmp/{{ file_name }}.out
+    state: absent
+  tags:
+    - cleanup_target
+    - cleanup

tests/ansible/integration/connection/_put_file.yml

@@ -1,20 +1,21 @@
----
-
 - name: Create {{ file_name }}
-  shell: dd if=/dev/urandom of=/tmp/{{ file_name }} bs=1024 count={{ file_size }}
-  args:
+  command:
+    cmd: dd if=/dev/urandom of=/tmp/{{ file_name }} bs=1024 count={{ file_size_kib }}
     creates: /tmp/{{file_name}}
   delegate_to: localhost
+  run_once: true
 
 - name: Copy {{ file_name }}
   copy:
     dest: /tmp/{{file_name}}.out
     src: /tmp/{{file_name}}
+    mode: "{{ file_mode }}"
 
 - name: Stat created {{ file_name }}
   stat: path=/tmp/{{ file_name }}
   register: original
   delegate_to: localhost
+  run_once: true
 
 - name: Stat copied {{ file_name }}
   stat: path=/tmp/{{ file_name }}.out

tests/ansible/integration/connection/put_large_file.yml

@@ -6,9 +6,11 @@
   gather_facts: no
   vars:
     file_name: large-file
-    file_size: 512
+    file_size_kib: 512
+    file_mode: u=rw,go=
   tasks:
     - include_tasks: _put_file.yml
+    - include_tasks: _cleanup_file.yml
   tags:
     - put_file
     - put_large_file

tests/ansible/integration/connection/put_small_file.yml

@@ -6,9 +6,11 @@
   gather_facts: no
   vars:
     file_name: small-file
-    file_size: 123
+    file_size_kib: 123
+    file_mode: u=rw,go=
   tasks:
     - include_tasks: _put_file.yml
+    - include_tasks: _cleanup_file.yml
   tags:
     - put_file
     - put_small_file

tests/ansible/integration/playbook_semantics/delegate_to.yml

@@ -1,23 +1,27 @@
 - name: integration/playbook_semantics/delegate_to.yml
   hosts: test-targets
+  vars:
+    local_path: "/tmp/delegate_to.{{ inventory_hostname }}.txt"
   tasks:
     #
     # delegate_to, no sudo
     #
     - name: "delegate_to, no sudo"
       copy:
-        dest: /tmp/delegate_to.yml.txt
+        dest: "{{ local_path }}"
         content: "Hello, world."
-      register: out
+        mode: u=rw,go=r
       delegate_to: localhost
 
     - name: "delegate_to, no sudo"
       assert:
-        that: "lookup('file', '/tmp/delegate_to.yml.txt') == 'Hello, world.'"
+        that:
+          - lookup('file', local_path) == 'Hello, world.'
+        fail_msg: "{{ lookup('file', local_path) }}"
 
     - name: "delegate_to, no sudo"
       file:
-        path: /tmp/delegate_to.yml.txt
+        path: "{{ local_path }}"
         state: absent
       delegate_to: localhost
 
@@ -27,18 +31,20 @@
     #
     - name: "connection:local, no sudo"
       copy:
-        dest: /tmp/delegate_to.yml.txt
+        dest: "{{ local_path }}"
         content: "Hello, world."
-      register: out
+        mode: u=rw,go=r
       connection: local
 
     - name: "connection:local, no sudo"
       assert:
-        that: "lookup('file', '/tmp/delegate_to.yml.txt') == 'Hello, world.'"
+        that:
+          - lookup('file', local_path) == 'Hello, world.'
+        fail_msg: "{{ lookup('file', local_path) }}"
 
     - name: "connection:local, no sudo"
       file:
-        path: /tmp/delegate_to.yml.txt
+        path: "{{ local_path }}"
         state: absent
       connection: local
 
@@ -47,21 +53,26 @@
     # delegate_to, sudo
     #
     - name: "delegate_to, sudo"
-      shell: whoami > /tmp/delegate_to.yml.txt
+      shell: |
+        whoami > "{{ local_path }}"
+      args:
+        creates: "{{ local_path }}"
       delegate_to: localhost
       become: true
       tags:
         - requires_local_sudo
 
     - name: "delegate_to, sudo"
       assert:
-        that: "lookup('file', '/tmp/delegate_to.yml.txt') == 'root'"
+        that:
+          - lookup('file', local_path) == 'root'
+        fail_msg: "{{ lookup('file', local_path) }}"
       tags:
         - requires_local_sudo
 
     - name: "delegate_to, sudo"
       file:
-        path: /tmp/delegate_to.yml.txt
+        path: "{{ local_path }}"
         state: absent
       delegate_to: localhost
       become: true
@@ -73,21 +84,26 @@
     # connection:local, sudo
     #
     - name: "connection:local, sudo"
-      shell: whoami > /tmp/delegate_to.yml.txt
+      shell: |
+        whoami > "{{ local_path }}"
+      args:
+        creates: "{{ local_path }}"
       connection: local
       become: true
       tags:
         - requires_local_sudo
 
     - name: "connection:local, sudo"
       assert:
-        that: "lookup('file', '/tmp/delegate_to.yml.txt') == 'root'"
+        that:
+          - lookup('file', local_path) == 'root'
+        fail_msg: "{{ lookup('file', local_path) }}"
       tags:
         - requires_local_sudo
 
     - name: "connection:local, sudo"
       file:
-        path: /tmp/delegate_to.yml.txt
+        path: "{{ local_path }}"
         state: absent
       connection: local
       become: true

tests/ansible/integration/runner/missing_module.yml

@@ -1,4 +1,3 @@
-
 - name: integration/runner/missing_module.yml
   hosts: test-targets[0]
   connection: local
@@ -17,6 +16,8 @@
       args:
         chdir: ../..
       register: out
+      changed_when: false
+      check_mode: false
       ignore_errors: true
 
     - assert:

tests/ansible/integration/ssh/timeouts.yml

@@ -20,13 +20,15 @@
         {% for inv in ansible_inventory_sources %}
         -i "{{ inv }}"
         {% endfor %}
-        test-targets
-        -m custom_python_detect_environment
+        "{{ inventory_hostname }}"
+        -m ping
         -e ansible_user=mitogen__slow_user -e ansible_password=slow_user_password
         -e ansible_python_interpreter=python3000
       args:
         chdir: ../..
       register: out
+      changed_when: false
+      check_mode: false
       ignore_errors: true
 
     - name: Verify connection timeout occurred