restructured playbooks, cleanup

cobald.yml

@@ -0,0 +1,60 @@
+---
+- hosts: slurm, cobald
+  vars:
+    container_privileged: True
+    slurm_num_nodes: 10
+  tasks:
+  - name: "setup docker"
+    import_role: name=docker
+    tags: docker
+
+  - name: "get facts from existing cobald instance (i.e. hostname)"
+    include_role:
+      name: cobald
+      tasks_from: facts
+      apply:
+        tags: slurm, cobald, slurm-config
+    tags: slurm, cobald, slurm-config
+    vars:
+      container_name: cobald
+
+  - name: "setup slurm test environment in docker containers"
+    include_role:
+      name: slurm
+      apply:
+        tags: slurm
+    vars:
+      slurm_user: slurm # or root
+      slurm_user_accounts:
+      - name: cobald
+        dir: /var/lib/cobald
+      num_nodes: "{{slurm_num_nodes}}"
+      extra_nodes:
+      - name: cobald
+        hostname: "{{cobald_container_hostname}}" # from cobald/facts.yml above
+        # hostname is used as NodeHostname, which is used slurms "networking
+        # code" (https://bugs.schedmd.com/show_bug.cgi?id=8615).
+        # It works either way around, but one of NodeName or NodeHostname has
+        # to match the container name (-n flag, not --hostname) since when
+        # submitting tasks to the slurm controller, it matches access
+        # permissions against a reverse lookup of the submitting ip address.
+        # Docker always and unconfigureably resolves the container ip in any
+        # network to containername.netname, where containername is the
+        # containers runtime name (not hostname supplied!) and netname is
+        # the network name in host environment. We should run our own dns...
+      docker_network: slurm
+    when: '"slurm" in group_names'
+    tags: slurm, cobald, influxdb, slurm-config
+    # tags: cobald requires some slurm facts, so cobald tag is included here
+
+  - name: "install cobald"
+    include_role:
+      name: cobald
+      apply:
+        tags: cobald
+    vars:
+      cobald_slurm: True
+      container_name: cobald
+      # docker_network: slurm # overriden by vars/slurm.yml
+    when: '"cobald" in group_names'
+    tags: cobald, influxdb