merged slurm_dockerimage back into slurm role

roles/slurm/files/base.Dockerfile

@@ -0,0 +1,31 @@
+FROM docker.io/library/centos:7
+
+RUN yum install -y epel-release && \
+	yum install -y slurm && \
+	yum clean all && rm -rf /var/cache/yum
+
+RUN	yum install -y less iproute bind-utils nmap-ncat net-tools && \
+	yum clean all && rm -rf /var/cache/yum
+
+RUN mkdir -p /usr/local/lib/entrypoints.d/
+
+COPY --chown=root:root entry-munge.sh /usr/local/lib/entrypoints.d/10-munge.sh
+COPY --chown=root:root entrypoint.sh /usr/local/sbin/entrypoint.sh
+
+RUN chmod 755 /usr/local/lib/entrypoints.d/10-munge.sh && \
+	chmod 755 /usr/local/sbin/entrypoint.sh
+
+ENTRYPOINT [ "/usr/local/sbin/entrypoint.sh" ]
+
+ARG slurmuser=slurm
+ENV slurmuser=${slurmuser}
+
+RUN useradd -d /var/lib/slurm -m --no-log-init --system $slurmuser &&\
+	slurm-setuser -u $slurmuser -g $slurmuser -y
+
+COPY docker-init /usr/local/sbin/docker-init
+RUN mkdir /etc/docker-init.d  && chmod 755 /usr/local/sbin/docker-init
+COPY start-scripts/10-munge /etc/docker-init.d/10-munge
+RUN chmod 755 /etc/docker-init.d/10-munge
+
+CMD /usr/local/sbin/docker-init

roles/slurm/files/entry-munge.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+set -e
+
+if [ -f "/etc/munge/munge.key" ] ; then
+	chown munge:munge /etc/munge/munge.key
+	chmod 600 /etc/munge/munge.key
+fi

roles/slurm/files/entrypoint.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+set -e
+
+for i in /usr/local/lib/entrypoints.d/* ; do
+    [ -f $i ] && /bin/sh $i || break
+done
+
+exec "${@:-/bin/bash}"

roles/slurm/files/start-scripts/10-munge

@@ -0,0 +1,2 @@
+#!/bin/sh
+exec su -s /bin/sh -c "munged -F" munge

roles/slurm/tasks/dockerimage.yml

@@ -1,50 +1,24 @@
-- file:
-    path: "/container/docker-images/slurm"
-    state: directory
-    owner: "{{unpriv_user}}"
-    group: docker
-
-- copy: # FIXME: template
-    src: "{{image.name}}.Dockerfile"
-    dest: "/container/docker-images/slurm/{{image.name}}.Dockerfile"
-    owner: "{{unpriv_user}}"
-    group: docker
-  register: slurm_cp_dockerfile
-
-- name: copy entrypoint and docker-init
-  copy: # FIXME: swap out
-    src: "{{item}}"
-    dest: "/container/docker-images/slurm/{{item}}"
-    owner: root
-    group: root
-    mode: u=rwx,g=rx,o=rx
-  loop:
-  - entrypoint.sh
-  - docker-init
-  register: slurm_cp_entrypt
-
-- name: copy startup scripts
-  copy:
-    src: "start-scripts/"
-    dest: "/container/docker-images/slurm/start-scripts/"
-    owner: root
-    group: root
-    mode: u=rwx,g=rx,o=rx
-  register: slurm_cp_stscrs
+- name: build slurm base docker image
+  include_tasks: dockerimage_build.yml
+  vars:
+    image_name: base
+    dockerfile: slurm-base.Dockerfile
+    files:
+    - dest: entrypoint.sh
+      content: "{{ lookup('file', 'entrypoint.sh') }}"
+    - dest: entry-munge.sh
+      content: "{{ lookup('file', 'entry-munge.sh') }}"
+    - dest: docker-init
+      content: "{{ lookup('file', 'docker-init') }}"
+    - dest: start-scripts/10-munge
+      content: "{{ lookup('file', 'start-scripts/10-munge') }}"
+  register: slurm_baseimg_build
+  when: not slurm_baseimg_build_chg | default(False)
 
 - set_fact:
-    slurm_image_files_changed: "{{ (slurm_image_files_changed | default(False))
-      or slurm_cp_entrypt.changed or slurm_cp_stscrs.changed }}"
-
-- docker_image:
-    name: "slurm"
-    tag: "{{image.name}}"
-#    pull: False
-    build:
-      pull: False
-      path: "/container/docker-images/slurm/"
-      dockerfile: "{{image.name}}.Dockerfile"
-#      target: "{{image.name}}" # unsupported on old docker-py version as in el7
-    source: build
-    force_source: "{{slurm_cp_dockerfile.changed or slurm_image_files_changed}}"
+    slurm_baseimg_build_chg:
+      "{{(slurm_baseimg_build_chg | default(False)) or
+         slurm_baseimg_build.changed}}"
 
+- name: "build slurm base docker image {{name}}"
+  include_tasks: dockerimage_build.yml

roles/slurm/tasks/dockerimage_build.yml

@@ -0,0 +1,40 @@
+- name: create directories for docker image build
+  file:
+    path: "/container/docker-images/slurm-{{image_name}}/{{item}}"
+    state: directory
+    owner: "{{unpriv_user}}"
+    group: docker
+  loop: "{{ [''] + (files | map(attribute='dest') | map('dirname') |
+                    unique | select | list) }}"
+
+- name: copy Dockerfile
+  copy:
+    src: "{{image_name}}.Dockerfile"
+    dest: "/container/docker-images/slurm-{{image_name}}/Dockerfile"
+    owner: "{{unpriv_user}}"
+    group: docker
+  register: slurm_cp_dockerfile
+
+- name: copy requisite files
+  copy:
+    content: "{{ item.content }}"
+    dest: "/container/docker-images/slurm-{{image_name}}/{{item.dest}}"
+    owner: root
+    group: root
+    mode: u=rwx,g=rx,o=rx
+  loop: "{{ files | default([]) }}"
+  loop_control:
+    label: "{{ item.dest }}"
+  register: slurm_cp_files
+
+- docker_image:
+    name: "slurm"
+    tag: "{{image_name}}"
+#    pull: False
+    build:
+      pull: False
+      path: "/container/docker-images/slurm-{{image_name}}/"
+    source: build
+    force_source: "{{slurm_cp_dockerfile.changed or
+                     slurm_cp_files.changed or
+                     slurm_baseimg_build_chg | default(False) }}"

roles/slurm/tasks/main.yml

@@ -3,9 +3,9 @@
     name: [ slurm, slurm-doc ]
     state: present
 
-- include_role:
-    name: slurm_dockerimage
-  loop: # FIXME: default(omit)!
+- include_tasks:
+    file: dockerimage.yml
+  loop:
   - name: slurmctld
     dockerfile: "{{ lookup('file', 'slurmctld.Dockerfile') }}"
     files:
@@ -16,6 +16,10 @@
     files:
     - dest: start-scripts/30-slurmd
       content: "{{ lookup('file', 'start-scripts/30-slurmd') }}"
+  vars:
+    image_name: "{{image.name | default(omit) }}"
+    dockerfile: "{{image.dockerfile | default(omit) }}"
+    files: "{{image.files | default(omit) }}"
   loop_control:
     loop_var: image
     label: "{{ image.name }}"