infra/ansible/roles/nomad_server/tasks/main.yml

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---
- name: ensure nomad group
group:
name: nomad
state: present
system: True
- name: ensure nomad user
user:
name: nomad
state: present
group: nomad
system: True
- name: ensure nomad config dir
file:
path: /etc/nomad.d/
state: directory
owner: nomad
group: nomad
mode: 0755
- name: ensure nomad data dir
file:
path: /opt/nomad
state: directory
owner: nomad
group: nomad
mode: 0755
- name: check nomad version
shell:
cmd: "nomad --version | head -1 | cut -d'v' -f2"
args:
executable: /bin/bash
changed_when: False
register: installed_nomad_version
check_mode: False
- name: get nomad
unarchive:
src: "https://releases.hashicorp.com/nomad/{{ nomad_version }}/nomad_{{ nomad_version }}_linux_amd64.zip"
dest: /usr/local/bin/
mode: 0755
owner: root
group: root
remote_src: True
when: installed_nomad_version.stdout != nomad_version
- name: copy nomad unit file
copy:
src: files/nomad.service
dest: /etc/systemd/system/nomad.service
mode: 0755
owner: root
group: root
notify: daemon_reload
- name: template nomad config
template:
src: templates/nomad.hcl.j2
dest: /etc/nomad.d/nomad.hcl
owner: root
group: root
mode: 0755
notify: restart_nomad
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- name: ensure nomad config dir
file:
path: /etc/nomad.d/certs/
state: directory
owner: nomad
group: nomad
mode: 0755
- name: check if server cert is expiring in the next 5 days
shell: "openssl x509 -checkend 432000 -noout -in /etc/nomad.d/certs/nomad.pem"
args:
executable: /bin/bash
failed_when: False
check_mode: False
changed_when: False
register: exp
- name: get cert
shell: "vault write pki_int/issue/{{ vault_pki_policy }} common_name=nomad.service.{{ main_dc_name }}.{{ consul_domain }} alt_names=nomad.service.{{ consul_domain }} ttl=43200m"
args:
executable: /bin/bash
environment:
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VAULT_ADDR: https://vault.service.masked.name:8200
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VAULT_TOKEN: "{{ lookup('file', lookup('env', 'HOME') + '/.vault-token') }}"
VAULT_FORMAT: json
register: cert_data
when: exp.rc != 0
notify: reload_nomad
- name: write cert data to server
copy:
content: "{{ item.content }}"
dest: "/etc/nomad.d/certs/{{ item.path }}"
mode: '{{ item.mode }}'
owner: nomad
group: nomad
when: cert_data.changed
loop:
- {
content: "{{ (cert_data.stdout | from_json).data.certificate }}",
path: "nomad.pem",
mode: "0755"
}
- {
content: "{{ (cert_data.stdout | from_json).data.private_key }}",
path: "nomad.key",
mode: "0600"
}
- name: append cacert to vault cert
blockinfile:
path: /etc/nomad.d/certs/nomad.pem
block: |
{{ vault_ca_cert_payload }}
- name: ensure nomad is started and enabled
systemd:
name: nomad
state: started
enabled: True
...