Add test for configless mode

.github/workflows/ci.yml

@@ -15,6 +15,7 @@ jobs:
       matrix:
         image:
           - 'centos:8.2.2004'
+          - 'centos:8.3.2011'
           - 'centos:7'
         scenario:
           - test1
@@ -23,6 +24,10 @@ jobs:
           - test2
           - test3
           - test4
+          - test5
+        exclude:
+          - image: 'centos:7'
+            scenario: test5
 
     steps:
       - name: Check out the codebase.

molecule/README.md

@@ -2,17 +2,17 @@ Molecule tests for the role.
 
 # Test Matrix
 
-Test options "flow down" through table unless changed.
+Test options in "Other" column flow down through table unless changed.
 
 Test   | # Partitions | Groups in partitions?   | Other
 ---    | ---          | ---                     | ---
-test1  | 1            | N                       | 2x compute node, sequential names (default test)
+test1  | 1            | N                       | 2x compute node, sequential names (default test), config on all nodes
 test1b | 1            | N                       | 1x compute node
 test1c | 1            | N                       | 2x compute nodes, nonsequential names
 test2  | 2            | N                       | 4x compute node, sequential names
 test3  | 1            | Y                       | -
 test4  | 1            | N                       | 2x compute node, accounting enabled
-
+test5  | 1            | N                       | As for #1 but configless
 
 # Local Installation & Running
 

molecule/test5/INSTALL.rst

@@ -0,0 +1,22 @@
+*******
+Docker driver installation guide
+*******
+
+Requirements
+============
+
+* Docker Engine
+
+Install
+=======
+
+Please refer to the `Virtual environment`_ documentation for installation best
+practices. If not using a virtual environment, please consider passing the
+widely recommended `'--user' flag`_ when invoking ``pip``.
+
+.. _Virtual environment: https://virtualenv.pypa.io/en/latest/
+.. _'--user' flag: https://packaging.python.org/tutorials/installing-packages/#installing-to-the-user-site
+
+.. code-block:: bash
+
+    $ python3 -m pip install 'molecule[docker]'

molecule/test5/converge.yml

@@ -0,0 +1,19 @@
+---
+- name: Converge
+  hosts: all
+  tasks:
+    - name: "Include ansible-role-openhpc"
+      include_role:
+        name: "ansible-role-openhpc/"
+      vars:
+        openhpc_enable:
+          control: "{{ inventory_hostname in groups['testohpc_login'] }}"
+          batch: "{{ inventory_hostname in groups['testohpc_compute'] }}"
+          runtime: true
+        openhpc_slurm_service_enabled: true
+        openhpc_slurm_control_host: "{{ groups['testohpc_login'] | first }}"
+        openhpc_slurm_partitions:
+          - name: "compute"
+        openhpc_cluster_name: testohpc
+        openhpc_slurm_configless: true
+

molecule/test5/molecule.yml

@@ -0,0 +1,48 @@
+---
+name: single partition, group is partition
+driver:
+  name: docker
+platforms:
+  - name: testohpc-login-0
+    image: ${MOLECULE_IMAGE}
+    pre_build_image: true
+    groups:
+      - testohpc_login
+    command: /sbin/init
+    tmpfs:
+      - /run
+      - /tmp
+    volumes:
+      - /sys/fs/cgroup:/sys/fs/cgroup:ro
+    networks:
+      - name: net1
+  - name: testohpc-compute-0
+    image: ${MOLECULE_IMAGE}
+    pre_build_image: true
+    groups:
+      - testohpc_compute
+    command: /sbin/init
+    tmpfs:
+      - /run
+      - /tmp
+    volumes:
+      - /sys/fs/cgroup:/sys/fs/cgroup:ro
+    networks:
+      - name: net1
+  - name: testohpc-compute-1
+    image: ${MOLECULE_IMAGE}
+    pre_build_image: true
+    groups:
+      - testohpc_compute
+    command: /sbin/init
+    tmpfs:
+      - /run
+      - /tmp
+    volumes:
+      - /sys/fs/cgroup:/sys/fs/cgroup:ro
+    networks:
+      - name: net1
+provisioner:
+  name: ansible
+verifier:
+  name: ansible

molecule/test5/verify.yml

@@ -0,0 +1,12 @@
+---
+
+- name: Check slurm hostlist
+  hosts: testohpc_login
+  tasks:
+  - name: Get slurm partition info
+    command: sinfo --noheader --format="%P,%a,%l,%D,%t,%N" # using --format ensures we control whitespace
+    register: sinfo
+  - name: 
+    assert:                        # PARTITION AVAIL  TIMELIMIT  NODES  STATE NODELIST
+      that: "sinfo.stdout_lines == ['compute*,up,60-00:00:00,2,idle,testohpc-compute-[0-1]']"
+      fail_msg: "FAILED - actual value: {{ sinfo.stdout_lines }}"

tasks/install.yml

@@ -19,10 +19,17 @@
   include_vars:
     file: "ohpc-{{ ansible_facts.packages['ohpc-release'][0]['version'] }}"
 
+- name: Find CentOS8 PowerTools repo
+  find:
+    paths: /etc/yum.repos.d
+    patterns: CentOS-*PowerTools.repo
+  register: powertools
+  when: ansible_distribution_major_version == "8"
+
 - name: Enable CentOS8 PowerTools repo
   # NB: doesn't run command  `dnf config-manager --set-enabled PowerTools` as can't make that idempotent
   lineinfile:
-    path: /etc/yum.repos.d/CentOS-PowerTools.repo
+    path: "{{ powertools.files[0].path }}" # 8.2: /etc/yum.repos.d/CentOS-PowerTools.repo 8.3: /etc/yum.repos.d/CentOS-Linux-PowerTools.repo
     create: false # raises error if not already installed
     regexp: enabled=
     line: enabled=1