orchestration-tests/nomad/setup-cluster.yml

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---
- name: Build Consul cluster
hosts: consul_instances
any_errors_fatal: true
vars_files:
- consul_values.yml
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roles:
- role: ansible-consul
vars:
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consul_version: "1.13.1-1"
consul_install_upgrade: true
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consul_install_from_repo: true
consul_os_repo_prerequisites: []
consul_node_role: server
consul_bootstrap_expect: true
consul_user: consul
consul_manage_user: true
consul_group: bin
consul_manage_group: true
consul_architecture_map:
x86_64: amd64
armhfv6: arm
armv7l: arm
# consul_tls_enable: true
consul_connect_enabled: true
consul_ports_grpc: 8502
consul_client_address: "0.0.0.0"
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# Autopilot
consul_autopilot_enable: true
consul_autopilot_cleanup_dead_Servers: true
# Enable metrics
consul_config_custom:
telemetry:
prometheus_retention_time: "2h"
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# DNS forwarding
consul_dnsmasq_enable: true
consul_dnsmasq_servers:
# TODO: use addresses of other nomad nodes?
# Maybe this can be [] to get the values from dhcp
- 1.1.1.1
- 1.0.0.1
consul_dnsmasq_bind_interfaces: true
consul_dnsmasq_listen_addresses:
# Listen only to loopback interface
- 127.0.0.1
become: true
tasks:
- name: Start Consul
systemd:
state: started
name: consul
become: true
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# If DNS is broken after dnsmasq, then need to set /etc/resolv.conf to something
# pointing to 127.0.0.1 and possibly restart Docker and Nomad
- name: Add values
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delegate_to: localhost
run_once: true
block:
- name: Install python-consul
pip:
name: python-consul
extra_args: --index-url https://pypi.org/simple
- name: Write values
consul_kv:
host: "{{ inventory_hostname }}"
key: "{{ item.key }}"
value: "{{ item.value }}"
loop: "{{ consul_values | default({}) | dict2items }}"
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- name: Setup Vault cluster
hosts: vault_instances
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vars_files:
- ./vault_hashi_vault_values.yml
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roles:
- name: ansible-vault
vars:
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vault_version: 1.11.2-1
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vault_install_hashi_repo: true
vault_harden_file_perms: true
vault_bin_path: /usr/bin
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vault_address: 0.0.0.0
vault_backend: consul
become: true
tasks:
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- name: Get Vault status
uri:
url: http://127.0.0.1:8200/v1/sys/health
method: GET
status_code: 200, 429, 472, 473, 501, 503
body_format: json
return_content: true
register: vault_status
- name: Initialize Vault
when: not vault_status.json["initialized"]
block:
- name: Initialize Vault
command:
argv:
- "vault"
- "operator"
- "init"
- "-format=json"
- "-address=http://127.0.0.1:8200/"
- "-key-shares={{ vault_init_key_shares|default(3) }}"
- "-key-threshold={{ vault_init_key_threshold|default(2) }}"
run_once: true
register: vault_init
- name: Save initialize result
copy:
content: "{{ vault_init.stdout }}"
dest: "./vault-keys.json"
when: vault_init is succeeded
delegate_to: localhost
run_once: true
- name: Unseal from init
no_log: true
command:
argv:
- "vault"
- "operator"
- "unseal"
- "-address=http://127.0.0.1:8200/"
- "{{ item }}"
loop: "{{ (vault_init.stdout | from_json)['unseal_keys_hex'] }}"
when: vault_init is succeeded
- name: Unseal Vault
no_log: true
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command:
argv:
- "vault"
- "operator"
- "unseal"
- "-address=http://127.0.0.1:8200/"
- "{{ item }}"
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loop: "{{ unseal_keys_hex }}"
when:
- unseal_keys_hex is defined
- vault_status.json["sealed"]
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- name: Bootstrap Vault secrets
delegate_to: localhost
run_once: true
block:
- name: Install hvac
pip:
name: hvac
extra_args: --index-url https://pypi.org/simple
# TODO: This fails on first run because `root_token` isn't found
# Fails after taht too because the kv/ space has not been created yet either! Oh noes!
# Maybe move data bootstrapping to after the cluster is bootstrapped
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- name: Write values
no_log: true
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community.hashi_vault.vault_write:
url: "http://{{ inventory_hostname }}:8200"
token: "{{ root_token }}"
path: "kv/data/{{ item.key }}"
data:
data:
"{{ item.value }}"
loop: "{{ hashi_vault_values | default({}) | dict2items }}"
# Not on Ubuntu 20.04
# - name: Install Podman
# hosts: nomad_instances
# become: true
#
# tasks:
# - name: Install Podman
# package:
# name: podman
# state: present
- name: Create NFS mounts
hosts: nomad_instances
become: true
tasks:
- name: Install nfs
package:
name: nfs-common
state: present
- name: Create Motioneye NFS mount
ansible.posix.mount:
src: 192.168.2.10:/Recordings/Motioneye
path: /srv/volumes/motioneye-recordings
opts: proto=tcp,port=2049,rw
state: mounted
fstype: nfs4
- name: Create Media Library RO NFS mount
ansible.posix.mount:
src: 192.168.2.10:/Multimedia
path: /srv/volumes/media-read
opts: proto=tcp,port=2049,ro
state: mounted
fstype: nfs4
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- name: Create Media Library RW NFS mount
ansible.posix.mount:
src: 192.168.2.10:/Multimedia
path: /srv/volumes/media-write
opts: proto=tcp,port=2049,rw
state: mounted
fstype: nfs4
- name: Create Download RW NFS mount
ansible.posix.mount:
src: 192.168.2.10:/Download
path: /srv/volumes/download
opts: proto=tcp,port=2049,rw
state: mounted
fstype: nfs4
- name: Create Container NAS RW NFS mount
ansible.posix.mount:
src: 192.168.2.10:/Container
path: /srv/volumes/container
opts: proto=tcp,port=2049,rw
state: mounted
fstype: nfs4
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- name: Install Docker
hosts: nomad_instances
become: true
vars:
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deb_arch: "{% if ansible_architecture == 'x86_64' %}amd64{% elif ansible_architecture == 'armv7l' %}armhf{% elif ansible_architecture == 'aarch64' %}arm64{% endif %}"
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docker_apt_arch: "{{ deb_arch }}"
docker_compose_arch: "{{ (ansible_architecture == 'armv7l') | ternary('armv7', ansible_architecture) }}"
roles:
- geerlingguy.docker
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- name: Build Nomad cluster
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hosts: nomad_instances
any_errors_fatal: true
become: true
vars:
shared_host_volumes:
- name: motioneye-recordings
path: /srv/volumes/motioneye-recordings
owner: "root"
group: "bin"
mode: "0755"
read_only: false
- name: media-read
path: /srv/volumes/media-read
owner: "root"
group: "root"
mode: "0777"
read_only: true
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- name: media-write
path: /srv/volumes/media-write
owner: "root"
group: "root"
mode: "0777"
read_only: false
- name: download
path: /srv/volumes/download
owner: "root"
group: "root"
mode: "0777"
read_only: false
- name: all-volumes
path: /srv/volumes
owner: "root"
group: "root"
mode: "0777"
read_only: false
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roles:
- name: ansible-nomad
vars:
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nomad_version: "1.3.4-1"
nomad_install_upgrade: true
nomad_allow_purge_config: true
# Where nomad gets installed to
nomad_bin_dir: /usr/bin
nomad_install_from_repo: true
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# nomad_user: root
# nomad_manage_user: true
# nomad_group: bin
# nomad_manage_group: true
# Properly map install arch
nomad_architecture_map:
x86_64: amd64
armhfv6: arm
armv7l: arm
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aarch64: arm64
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nomad_autopilot: true
nomad_encrypt_enable: true
# nomad_use_consul: true
# Metrics
nomad_telemetry: true
nomad_telemetry_prometheus_metrics: true
nomad_telemetry_publish_allocation_metrics: true
nomad_telemetry_publish_node_metrics: true
# Enable container plugins
nomad_cni_enable: true
nomad_cni_version: 1.0.1
nomad_docker_enable: true
nomad_docker_dmsetup: false
# nomad_podman_enable: true
# Merge shared host volumes with node volumes
nomad_host_volumes: "{{ shared_host_volumes + (nomad_unique_host_volumes | default([])) }}"
# Customize docker plugin
nomad_plugins:
docker:
config:
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allow_privileged: true
volumes:
enabled: true
selinuxlabel: "z"
extra_labels:
- "job_name"
- "job_id"
- "task_group_name"
- "task_name"
- "namespace"
- "node_name"
- "node_id"
# Bind nomad
nomad_bind_address: 0.0.0.0
# Default interface for binding tasks
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# nomad_network_interface: lo
# Create networks for binding task ports
nomad_host_networks:
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# - name: public
# interface: eth0
# reserved_ports: "22"
- name: nomad-bridge
interface: nomad
reserved_ports: "22"
- name: loopback
interface: lo
reserved_ports: "22"
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# Enable ACLs
nomad_acl_enabled: true
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# Enable vault integration
# TODO: This fails on first run because the Nomad-Vault integration can't be set up
# until Nomad has started. Could maybe figure out if ACLs have been set up and leave
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# these out until the later play, maybe just bootstrap the nomad-cluster role in Vault
# befor Nomad is set up
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# nomad_vault_address: "http://vault.service.consul:8200"
# Only talk to local Vault for now because it doesn't have HTTPS
nomad_vault_address: "http://127.0.0.1:8200"
nomad_vault_create_from_role: "nomad-cluster"
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# TODO: Probably want to restict this to a narrower scoped token
nomad_vault_enabled: "{{ root_token is defined }}"
nomad_vault_token: "{{ root_token | default('') }}"
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nomad_config_custom:
ui:
enabled: true
consul:
ui_url: "http://{{ ansible_hostname }}:8500/ui"
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vault:
ui_url: "http://{{ ansible_hostname }}:8200/ui"
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consul:
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tags:
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- "traefik.enable=true"
- "traefik.consulcatalog.connect=true"
- "traefik.http.routers.nomadclient.entrypoints=websecure"
tasks:
- name: Start Nomad
systemd:
state: started
name: nomad
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- name: Bootstrap Nomad ACLs
hosts: nomad_instances
tasks:
# Need to wait until nomad is running
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- name: Bootstrap ACLs
command:
argv:
- "nomad"
- "acl"
- "bootstrap"
- "-json"
run_once: true
ignore_errors: true
register: bootstrap_result
- name: Save bootstrap result
copy:
content: "{{ bootstrap_result.stdout }}"
dest: "./nomad_bootstrap.json"
when: bootstrap_result is succeeded
delegate_to: localhost
run_once: true
- name: Read secret
command:
argv:
- jq
- -r
- .SecretID
- nomad_bootstrap.json
delegate_to: localhost
run_once: true
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no_log: true
changed_when: false
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register: read_secretid
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- name: Look for policy
command:
argv:
- nomad
- acl
- policy
- list
environment:
NOMAD_TOKEN: "{{ read_secretid.stdout }}"
run_once: true
register: policies
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- name: Copy policy
copy:
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src: ./acls/nomad-anon-policy.hcl
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dest: /tmp/anonymous.policy.hcl
delegate_to: "{{ play_hosts[0] }}"
register: anon_policy
run_once: true
- name: Create anon-policy
command:
argv:
- nomad
- acl
- policy
- apply
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- -description="Anon read only"
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- anonymous
- /tmp/anonymous.policy.hcl
environment:
NOMAD_TOKEN: "{{ read_secretid.stdout }}"
when: policies.stdout == "No policies found" or anon_policy.changed
delegate_to: "{{ play_hosts[0] }}"
run_once: true
- name: Set up Nomad backend and roles in Vault
community.general.terraform:
project_path: ./acls
force_init: true
variables:
consul_address: "{{ play_hosts[0] }}:8500"
vault_token: "{{ root_token }}"
nomad_secret_id: "{{ read_secretid.stdout }}"
delegate_to: localhost
run_once: true