Merge branch 'devel' into devel

docs/README.md

@@ -1,8 +1,10 @@
 **Omnia** (Latin: all or everything) is a deployment tool to configure Dell EMC PowerEdge servers running standard RPM-based Linux OS images into clusters capable of supporting HPC, AI, and data analytics workloads. It uses Slurm, Kubernetes, and other packages to manage jobs and run diverse workloads on the same converged solution. It is a collection of [Ansible](https://ansible.org) playbooks, is open source, and is constantly being extended to enable comprehensive workloads.
 
+<!--- Links not available for public access
 ## Blogs about Omnia
 - [Introduction to Omnia](https://infohub.delltechnologies.com/p/omnia-open-source-deployment-of-high-performance-clusters-to-run-simulation-ai-and-data-analytics-workloads/)
 - [Taming the Accelerator Cambrian Explosion with Omnia](https://infohub.delltechnologies.com/p/taming-the-accelerator-cambrian-explosion-with-omnia/)
+--->
 
 ## What Omnia does
 Omnia can build clusters which use Slurm or Kubernetes (or both!) for workload management. Omnia will install software from a variety of sources, including:

platforms/polyaxon.yml

@@ -0,0 +1,20 @@
+#  Copyright 2020 Dell Inc. or its subsidiaries. All Rights Reserved.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+---
+
+- name: Installing Polyaxon
+  hosts: manager
+  gather_facts: false
+  roles:
+    - polyaxon

platforms/roles/polyaxon/files/polyaxon_config.yaml

@@ -0,0 +1,41 @@
+proxy:
+  secretToken: "1c8572f630701e8792bede122ec9c4179d9087f801e1a85ed32cce69887aec1b"
+
+hub:
+  cookieSecret: "1c8572f630701e8792bede122ec9c4179d9087f801e1a85ed32cce69887aec1b"
+  service:
+    type: LoadBalancer
+  db:
+    type: sqlite-pvc
+  extraConfig:
+    jupyterlab: |
+      c.Spawner.cmd = ['jupyter-labhub']
+singleuser:
+  image:
+    name: dellhpc/datasciencelab-base
+    tag: "1.0"
+  profileList:
+    - display_name: "DellHPC Improved Environment"
+      description: "Dell curated Jupyter Stacks"
+      kubespawner_override:
+        image: "dellhpc/datasciencelab-cpu:1.0"
+    - display_name: "DellHPC GPU Environment"
+      description: "Dell curated Jupyter Stacks 1 GPU"
+      kubespawner_override:
+        image: "dellhpc/datasciencelab-gpu:1.0"
+        extra_resource_limits:
+          nvidia.com/gpu: "1"
+  storage:
+    dynamic:
+      storageClass: nfs-client
+  cpu:
+    limit: 1
+  memory:
+    limit: 5G
+    guarantee: 1G
+  defaultUrl: "/lab"
+
+
+prePuller:
+  continuous:
+    enabled: true

platforms/roles/polyaxon/tasks/main.yml

@@ -0,0 +1,62 @@
+#  Copyright 2020 Dell Inc. or its subsidiaries. All Rights Reserved.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+---
+
+- name: Helm - add Polyaxon repo
+  command: "helm repo add polyaxon '{{ polyaxon_helm_chart_repo }}'"
+  changed_when: true
+
+- name: Helm - update repo
+  command: helm repo update
+  changed_when: true
+
+#- name: Copy Polyaxon custom config file
+  #copy:
+   #src: polyaxon_config.yaml
+   #dest: "{{ polyaxon_config_file_dest }}"
+   #owner: root
+   #group: root
+   #mode: "{{ polyaxon_config_file_mode }}"
+
+- name: Polyaxon deploy
+  block:
+    - name: Polyaxon deploy
+      command: >
+        helm upgrade --cleanup-on-fail \
+        --install {{ polyaxon_namespace }} polyaxon/polyaxon \
+        --namespace {{ polyaxon_namespace }} \
+        --create-namespace \
+        --version {{ helm_chart_version }} \
+#        --values {{ polyaxon_config_file_dest }} \
+        --timeout {{ timeout_min_sec }}
+      register: deployment_output
+
+  rescue:
+    - name: Polyaxon deployment error
+      debug:
+        msg: "Previous Polyaxon deployment is in progress"
+      when: "'another operation (install/upgrade/rollback) is in progress' in deployment_output.stderr"
+
+    - name: Delete existing release
+      command: helm delete '{{ polyaxon_namespace }}'
+
+    - name: Polyaxon deploy
+      command: >
+        helm upgrade --cleanup-on-fail \
+        --install {{ polyaxon_namespace }} polyaxon/polyaxon \
+        --namespace {{ polyaxon_namespace }} \
+        --create-namespace \
+        --version {{ helm_chart_version }} \
+#        --values {{ polyaxon_config_file_dest }} \
+        --timeout {{ timeout_min_sec }}

platforms/roles/polyaxon/vars/main.yml

@@ -0,0 +1,25 @@
+#  Copyright 2020 Dell Inc. or its subsidiaries. All Rights Reserved.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+---
+
+polyaxon_helm_chart_repo: https://charts.polyaxon.com
+polyaxon_config_file_dest: /root/k8s/polyaxon_config.yaml
+
+#jupyter_config_file_mode: 0655
+
+#helm_chart_version: 0.9.0
+
+timeout_min_sec: 60m
+
+polyaxon_namespace: polyaxon