initial commit to install julia on ubuntu

LICENSE

+Copyright 2019 Dirk Sarpe
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

+Julia
+=========
+
+Installs Julia on Ubuntu
+
+Table of Contents
+-----------------
+<!-- toc -->
+<!-- tocstop -->
+
+Requirements
+------------
+
+
+Role Variables
+--------------
+
+
+Dependencies
+------------
+
+
+Example Playbook
+----------------
+
+Add to `requirements.yml`:
+
+```yml
+---
+
+-src: role.name
+
+...
+```
+
+Download:
+
+```console
+$ ansible-galaxy install -r requirements.yml
+```
+
+### Top-Level Playbook
+
+Write a top-level playbook:
+
+```yml
+---
+
+- name: idiv-playbook
+  hosts: idiv-machines
+
+  roles:
+    - role: ansible-role-julia
+      tags:
+        - idiv
+
+...
+```
+
+### Role Dependency
+
+Define the role dependency in `meta/main.yml`:
+
+```yml
+---
+
+dependencies:
+
+  - role: role.name
+    tags:
+      - idiv
+
+...
+```
+
+
+License
+-------
+
+MIT
+
+Author Information
+------------------
+
+This role was created in 2018 by [Dirk Sarpe][author] aka [dirks at GitHub][github], administrator at the [German Centre for Integrative Biodiversity Research (iDiv)][idiv].
+
+[author]: https://www.idiv.de/groups_and_people/employees/details/eshow/sarpe-dirk.html
+[idiv]: https://www.idiv.de/
+[github]: https://github.com/dirks

defaults/main.yml

+---
+# defaults file for ansible-role-idiv-template
+# filename on server julia-1.0.3-linux-x86_64.tar.gz
+julia_version: 1.0.3
+julia_installation_dir: '/usr/local'

meta/main.yml

+galaxy_info:
+  author: Dirk Sarpe
+  description: installs the programming language julia
+  company: iDiv
+  license: MIT
+
+  min_ansible_version: 2.7
+
+  # If this a Container Enabled role, provide the minimum Ansible Container version.
+  # min_ansible_container_version:
+
+  # Optionally specify the branch Galaxy will use when accessing the GitHub
+  # repo for this role. During role install, if no tags are available,
+  # Galaxy will use this branch. During import Galaxy will access files on
+  # this branch. If Travis integration is configured, only notifications for this
+  # branch will be accepted. Otherwise, in all cases, the repo's default branch
+  # (usually master) will be used.
+  #github_branch:
+
+  #
+  # platforms is a list of platforms, and each platform has a name and a list of versions.
+  #
+  platforms:
+  - name: ubuntu
+    versions:
+      - xenial
+      - bionic
+
+  galaxy_tags: 
+    - idiv
+    - julia
+    # List tags for your role here, one per line. A tag is a keyword that describes
+    # and categorizes the role. Users find roles by searching for tags. Be sure to
+    # remove the '[]' above, if you add tags to this list.
+    #
+    # NOTE: A tag is limited to a single word comprised of alphanumeric characters.
+    #       Maximum 20 tags per role.
+
+dependencies: []
+  # List your role dependencies here, one per line. Be sure to remove the '[]' above,
+  # if you add dependencies to this list.

tasks/main.yml

+---
+# tasks file for ansible-role-idiv-template
+- name: ensure download directory exists
+  file:
+    path: '{{ julia_download_dir }}'
+    state: directory
+    owner: root
+    group: root
+    mode: 0755
+
+- name: download sha of julia archive
+  get_url:
+    url: '{{ julia_checksum_url }}'
+    dest: '{{ julia_download_dir }}'
+
+- name: extract checksum
+  command: >-
+    awk '$2 == "{{ julia_tarball }}" { print $1 }' {{ julia_download_dir }}/{{ julia_checksum_file }}
+  register: julia_checksum
+  changed_when: no
+
+- name: download specified version of Julia
+  get_url:
+    url: https://julialang-s3.julialang.org/bin/linux/x64/1.0/julia-1.0.3-linux-x86_64.tar.gz
+    dest: '{{ julia_download_dir }}'
+    checksum: 'sha256:{{ julia_checksum.stdout_lines[0] }}'
+
+- name: install Julia
+  unarchive:
+    src: '{{ julia_download_dir }}/{{ julia_tarball }}'
+    dest: '{{ julia_installation_dir }}'
+    exclude: LICENSE.md
+    extra_opts:
+      - --strip-components=1
+    remote_src: yes
+    owner: root
+    group: root

vars/main.yml

+---
+# vars file for ansible-role-idiv-template---
+julia_checksum_file: julia-{{ julia_version }}.sha256
+julia_checksum_url: https://julialang-s3.julialang.org/bin/checksums/{{ julia_checksum_file }}
+julia_tarball: julia-{{ julia_version}}-linux-x86_64.tar.gz
+julia_download_url: https://julialang-s3.julialang.org/bin/linux/x64/1.0/{{ julia_tarball }}
+julia_download_dir: '/var/cache/julia-dl'