Nomad 0.5.0 and better tasks

- Nomad 0.5.0
- Automatic SHA determination
- Streamline and split out install, Docker, and SELinux tasks
- Remove deprecated task files
- Establish OS vars
- Update documentation

Author: brianshumate

.gitignore

@@ -6,3 +6,4 @@ examples/hashistack
 examples/hosts
 files/*.zip
 files/nomad
+nomad_*_SHA256SUMS

CHANGELOG.md

@@ -101,3 +101,12 @@
 
 - Correct var
 - More SELinux config
+
+## v1.4.0
+
+- Nomad 0.5.0
+- Automatic SHA determination
+- Streamline and split out install, Docker, and SELinux tasks
+- Remove deprecated task files
+- Establish OS vars
+- Update documentation

defaults/main.yml

@@ -1,8 +1,9 @@
 ---
 # File: defaults/main.yml - Main default variables for nomad
 
-nomad_version: "0.4.1"
+nomad_version: "0.5.0"
 nomad_server_count: "2"
+nomad_checksum_file_url: "https://releases.hashicorp.com/nomad/{{ nomad_version }}/nomad_{{ nomad_version}}_SHA256SUMS"
 nomad_zip_url: "https://releases.hashicorp.com/nomad/{{ nomad_version }}/nomad_{{ nomad_version }}_linux_amd64.zip"
 nomad_zip_sha256: "0cdb5dd95c918c6237dddeafe2e9d2049558fea79ed43eacdfcd247d5b093d67"
 nomad_bin_dir: "/usr/local/bin"
@@ -23,47 +24,7 @@ nomad_apt_key_url: "hkp://p80.pool.sks-keyservers.net:80"
 nomad_apt_key_sig: 58118E89F3A912897C070ADBF76221572C52609D
 nomad_apt_repo: deb https://apt.dockerproject.org/repo {{ ansible_lsb.id|lower }}-{{ ansible_lsb.codename|lower }} main
 
-## Package vars
-
-nomad_centos_pkg: "nomad_{{ nomad_version }}_linux_amd64.zip"
-nomad_centos_url: "{{ nomad_zip_url }}"
-nomad_centos_sha256: "{{ nomad_zip_sha256 }}"
-
-nomad_centos_os_packages:
-  - curl
-  - git
-  - libselinux-python
-  - unzip
-
-nomad_debian_pkg: "nomad_{{ nomad_version }}_linux_amd64.zip"
-nomad_debian_url: "{{ nomad_zip_url }}"
-nomad_debian_sha256: "{{ nomad_zip_sha256 }}"
-nomad_docker_debian_repo: "deb https://apt.dockerproject.org/repo debian-jessie main"
-nomad_debian_os_packages:
-  - cgroup-bin
-  - curl
-  - git
-  - libcgroup1
-  - unzip
-
-nomad_redhat_pkg: "nomad_{{ nomad_version }}_linux_amd64.zip"
-nomad_redhat_url: "{{ nomad_zip_url }}"
-nomad_redhat_sha256: "{{ nomad_zip_sha256 }}"
-
-nomad_redhat_os_packages:
-  - curl
-  - git
-  - libselinux-python
-  - unzip
-
-nomad_ubuntu_pkg: "nomad_{{ nomad_version }}_linux_amd64.zip"
-nomad_ubuntu_url: "{{ nomad_zip_url }}"
-nomad_ubuntu_sha256: "{{ nomad_zip_sha256 }}"
-nomad_docker_ubuntu_repo: "deb https://apt.dockerproject.org/repo ubuntu-xenial main"
-nomad_ubuntu_os_packages:
-  - cgroup-bin
-  - curl
-  - git
-  - libcgroup1
-  - unzip
+## Distribution
 
+### Consul
+nomad_pkg: "nomad_{{ nomad_version }}_linux_amd64.zip"

tasks/CentOS.yml

@@ -0,0 +1,20 @@
+---
+# File: tasks/docker.yml - Docker tasks for nomad
+
+## Docker items
+
+# Fix for https://github.com/docker/docker/issues/23347
+- name: Install dmsetup for Ubuntu 16.04
+  apt:
+    pkg: dmsetup
+    state: "{{ dmsetup_pkg_state }}"
+    update_cache: yes
+    cache_valid_time: 600
+  register: dmsetup_result
+  when: ansible_distribution_version|version_compare(16.04, '=') and nomad_docker_enable == "true"
+  tags: docker
+
+- name: Run dmsetup for Ubuntu 16.04
+  command: dmsetup mknodes
+  when: dmsetup_result 
+  tags: docker 

tasks/Debian.yml

@@ -0,0 +1,47 @@
+---
+# File: tasks/install.yml - package installation tasks for Nomad
+
+- name: OS packages
+  package: "name={{ item }} state=present"
+  with_items: "{{ nomad_os_packages }}"
+  tags: installation
+
+- name: Get nomad package checksum file
+  become: no
+  connection: local
+  get_url: "url={{ nomad_checksum_file_url }} dest={{ role_path }}/files/nomad_{{ nomad_version }}_SHA256SUMS"
+  run_once: true
+  tags: installation
+
+- name: Get nomad package checksum
+  become: no
+  connection: local
+  shell: "grep {{ nomad_pkg }} {{ role_path }}/files/nomad_{{ nomad_version }}_SHA256SUMS"
+  run_once: true
+  register: nomad_sha256
+  tags: installation
+
+- name: Download nomad
+  become: no
+  connection: local
+  get_url: "url={{ nomad_zip_url }} dest={{ role_path }}/files/{{ nomad_pkg }} checksum=sha256:{{ nomad_sha256.stdout.split(' ')|first }} timeout=42"
+  run_once: true
+  tags: installation
+
+- name: Unarchive nomad
+  become: no
+  connection: local
+  unarchive: "src={{ role_path }}/files/{{ nomad_pkg }} dest={{ role_path }}/files/ creates={{ role_path }}/files/nomad"
+  run_once: true
+  tags: installation
+
+- name: Install nomad
+  copy: "src={{ role_path }}/files/nomad dest=/usr/local/bin/ owner={{ nomad_user }} group={{ nomad_group }} mode=0755"
+  tags: installation
+
+- name: Cleanup
+  become: no
+  connection: local
+  file: "dest={{ role_path }}/files/nomad* state=absent"
+  run_once: true
+  tags: installation