From 1f988969a5e91d3b2e4421f35db1563ca4ac957d Mon Sep 17 00:00:00 2001 From: Scott Crossen Date: Tue, 13 Oct 2020 16:18:38 -0700 Subject: [PATCH] Added role for dynamic dns --- docs/configuring-playbook-budget-builds.md | 21 +++++++++++++ docs/configuring-playbook.md | 1 + roles/matrix-dynamic-dns/defaults/main.yml | 14 +++++++++ roles/matrix-dynamic-dns/tasks/init.yml | 4 +++ roles/matrix-dynamic-dns/tasks/install.yml | 24 ++++++++++++++ roles/matrix-dynamic-dns/tasks/main.yml | 28 +++++++++++++++++ .../tasks/platform/archlinux.yml | 16 ++++++++++ .../tasks/platform/centos.yml | 23 ++++++++++++++ .../tasks/platform/debian.yml | 18 +++++++++++ .../tasks/platform/main.yml | 11 +++++++ roles/matrix-dynamic-dns/tasks/uninstall.yml | 31 +++++++++++++++++++ .../tasks/validate_config.yml | 19 ++++++++++++ .../templates/ddclient.conf.j2 | 7 +++++ .../matrix-dynamic-dns/templates/ddclient.j2 | 4 +++ setup.yml | 1 + 15 files changed, 222 insertions(+) create mode 100644 docs/configuring-playbook-budget-builds.md create mode 100644 roles/matrix-dynamic-dns/defaults/main.yml create mode 100644 roles/matrix-dynamic-dns/tasks/init.yml create mode 100644 roles/matrix-dynamic-dns/tasks/install.yml create mode 100644 roles/matrix-dynamic-dns/tasks/main.yml create mode 100644 roles/matrix-dynamic-dns/tasks/platform/archlinux.yml create mode 100644 roles/matrix-dynamic-dns/tasks/platform/centos.yml create mode 100644 roles/matrix-dynamic-dns/tasks/platform/debian.yml create mode 100644 roles/matrix-dynamic-dns/tasks/platform/main.yml create mode 100644 roles/matrix-dynamic-dns/tasks/uninstall.yml create mode 100644 roles/matrix-dynamic-dns/tasks/validate_config.yml create mode 100644 roles/matrix-dynamic-dns/templates/ddclient.conf.j2 create mode 100644 roles/matrix-dynamic-dns/templates/ddclient.j2 diff --git a/docs/configuring-playbook-budget-builds.md b/docs/configuring-playbook-budget-builds.md new file mode 100644 index 00000000..0fb73835 --- /dev/null +++ b/docs/configuring-playbook-budget-builds.md @@ -0,0 +1,21 @@ +# Tips for deploying Matrix on a Budget + +## Dynamic DNS + +Most cloud providers / ISPs will charge you extra for a static IP address. If you're +not hosting a highly reliable homeserver you can workaround this via dynamic DNS. To +set this up, you'll need to get the username/password from your DNS provider. For +google domains, this process is described [here](https://support.google.com/domains/answer/6147083). +After you've gotten the proper credentials you can add the following config to your `host-vars`: + +``` +matrix_dynamic_dns_username: XXXXXXXXXXXXXXXX +matrix_dynamic_dns_password: XXXXXXXXXXXXXXXX +matrix_dynamic_dns_provider: 'domains.google.com' +``` + +## Additional Reading + +Additional resources: + +- https://matrix.org/docs/guides/free-small-matrix-server \ No newline at end of file diff --git a/docs/configuring-playbook.md b/docs/configuring-playbook.md index b174637e..8b0c5537 100644 --- a/docs/configuring-playbook.md +++ b/docs/configuring-playbook.md @@ -33,6 +33,7 @@ When you're done with all the configuration you'd like to do, continue with [Ins - [Setting up the Jitsi video-conferencing platform](configuring-playbook-jitsi.md) (optional) +- [Setting up budget builds or resource-constrained builds](configuring-playbook-budget-builds.md) (optional) ### Core service adjustments diff --git a/roles/matrix-dynamic-dns/defaults/main.yml b/roles/matrix-dynamic-dns/defaults/main.yml new file mode 100644 index 00000000..a0afc99e --- /dev/null +++ b/roles/matrix-dynamic-dns/defaults/main.yml @@ -0,0 +1,14 @@ +# Whether dynamic dns is enabled +matrix_dynamic_dns_enabled: true + +# Allowed values: 'daemon', 'dhcp' +matrix_dynamic_dns_mode: 'dhcp' + +# The DNS provider domain +matrix_dynamic_dns_provider: 'domains.google.com' + +# The dynamic dns protocol +matrix_dynamic_dns_protocol: 'dyndns2' + +# The dynamic dns daemon interval +matrix_dynamic_dns_daemon_interval: '300' diff --git a/roles/matrix-dynamic-dns/tasks/init.yml b/roles/matrix-dynamic-dns/tasks/init.yml new file mode 100644 index 00000000..4cddb8b5 --- /dev/null +++ b/roles/matrix-dynamic-dns/tasks/init.yml @@ -0,0 +1,4 @@ +- set_fact: + matrix_systemd_services_list: "{{ matrix_systemd_services_list + ['ddclient'] }}" + when: "matrix_dynamic_dns_enabled|bool" + \ No newline at end of file diff --git a/roles/matrix-dynamic-dns/tasks/install.yml b/roles/matrix-dynamic-dns/tasks/install.yml new file mode 100644 index 00000000..edaf6864 --- /dev/null +++ b/roles/matrix-dynamic-dns/tasks/install.yml @@ -0,0 +1,24 @@ +--- + +- name: Ensure ddclient domain config exists + template: + src: "{{ role_path }}/templates/ddclient.conf.j2" + dest: "/etc/ddclient.conf" + mode: 0600 + register: matrix_dynamic_dns_ddclient_domain_config + +- name: Ensure ddclient client config directory exists + file: + path: "/etc/default" + state: directory + mode: 0700 + owner: "{{ user_username }}" + group: "{{ user_groupname }}" + +- name: Ensure ddclient client config exists + template: + src: "{{ role_path }}/templates/ddclient.j2" + dest: "/etc/default/ddclient" + mode: 0600 + register: matrix_dynamic_dns_ddclient_client_config + \ No newline at end of file diff --git a/roles/matrix-dynamic-dns/tasks/main.yml b/roles/matrix-dynamic-dns/tasks/main.yml new file mode 100644 index 00000000..727bf16e --- /dev/null +++ b/roles/matrix-dynamic-dns/tasks/main.yml @@ -0,0 +1,28 @@ +- import_tasks: "{{ role_path }}/tasks/init.yml" + tags: + - always + +- import_tasks: "{{ role_path }}/tasks/validate_config.yml" + when: "run_setup|bool and matrix_dynamic_dns_enabled|bool" + tags: + - setup-all + - setup-dynamic-dns + +- import_tasks: "{{ role_path }}/tasks/install.yml" + when: "run_setup|bool and matrix_dynamic_dns_enabled|bool" + tags: + - setup-all + - setup-dynamic-dns + +- import_tasks: "{{ role_path }}/tasks/platform/main.yml" + when: "run_setup|bool" + tags: + - setup-all + - setup-dynamic-dns + +- import_tasks: "{{ role_path }}/tasks/uninstall.yml" + when: "run_setup|bool and not matrix_dynamic_dns_enabled|bool" + tags: + - setup-all + - setup-dynamic-dns + \ No newline at end of file diff --git a/roles/matrix-dynamic-dns/tasks/platform/archlinux.yml b/roles/matrix-dynamic-dns/tasks/platform/archlinux.yml new file mode 100644 index 00000000..773cfce6 --- /dev/null +++ b/roles/matrix-dynamic-dns/tasks/platform/archlinux.yml @@ -0,0 +1,16 @@ +--- + +- name: Ensure ddclient is installed + pacman: + name: ddclient + state: latest + when: "run_setup|bool and matrix_dynamic_dns_enabled|bool" + +- name: Ensure ddclient is uninstalled + pacman: + name: ddclient + state: absent + update_cache: true + become: true + when: "run_setup|bool and not matrix_dynamic_dns_enabled|bool" + \ No newline at end of file diff --git a/roles/matrix-dynamic-dns/tasks/platform/centos.yml b/roles/matrix-dynamic-dns/tasks/platform/centos.yml new file mode 100644 index 00000000..5e84ef10 --- /dev/null +++ b/roles/matrix-dynamic-dns/tasks/platform/centos.yml @@ -0,0 +1,23 @@ +--- + +- name: Ensure yum packages are installed + yum: + name: epel-release + state: latest + update_cache: yes + when: "run_setup|bool and matrix_dynamic_dns_enabled|bool" + +- name: Ensure ddclient is installed + yum: + name: ddclient + state: latest + when: "run_setup|bool and matrix_dynamic_dns_enabled|bool" + +- name: Ensure ddclient is uninstalled + yum: + name: + - ddclient + - epel-release + state: absent + when: "run_setup|bool and not matrix_dynamic_dns_enabled|bool" + \ No newline at end of file diff --git a/roles/matrix-dynamic-dns/tasks/platform/debian.yml b/roles/matrix-dynamic-dns/tasks/platform/debian.yml new file mode 100644 index 00000000..f6d664fd --- /dev/null +++ b/roles/matrix-dynamic-dns/tasks/platform/debian.yml @@ -0,0 +1,18 @@ +--- + +- name: Ensure ddclient is installed + apt: + name: ddclient + state: present + update_cache: true + become: true + when: "run_setup|bool and matrix_dynamic_dns_enabled|bool" + +- name: Ensure ddclient is uninstalled + apt: + name: ddclient + state: absent + update_cache: true + become: true + when: "run_setup|bool and not matrix_dynamic_dns_enabled|bool" + \ No newline at end of file diff --git a/roles/matrix-dynamic-dns/tasks/platform/main.yml b/roles/matrix-dynamic-dns/tasks/platform/main.yml new file mode 100644 index 00000000..ca973749 --- /dev/null +++ b/roles/matrix-dynamic-dns/tasks/platform/main.yml @@ -0,0 +1,11 @@ +--- + +- include_tasks: "{{ role_path }}/tasks/platform/centos.yml" + when: ansible_distribution == 'CentOS' + +# The instructions are the same for Debian, Ubuntu, and Raspbian +- include_tasks: "{{ role_path }}/tasks/platform/debian.yml" + when: ansible_distribution == 'Debian' + +- include_tasks: "{{ role_path }}/tasks/platform/archlinux.yml" + when: ansible_distribution == 'Archlinux' diff --git a/roles/matrix-dynamic-dns/tasks/uninstall.yml b/roles/matrix-dynamic-dns/tasks/uninstall.yml new file mode 100644 index 00000000..27604585 --- /dev/null +++ b/roles/matrix-dynamic-dns/tasks/uninstall.yml @@ -0,0 +1,31 @@ +--- + +- name: Check existence of ddclient.service + stat: + path: "{{ systemd_path }}/ddclient.service" + register: matrix_dynamic_dns_ddclient_service_stat + +- name: Ensure ddclient.service is stopped + service: + name: dynamic-dns + state: stopped + daemon_reload: yes + when: "matrix_dynamic_dns_ddclient_service_stat.stat.exists" + +- name: Ensure systemd reloaded after ddclient.service removal + service: + daemon_reload: yes + when: "matrix_dynamic_dns_ddclient_service_stat.stat.exists" + +- name: Ensure ddclient.service doesn't exist + file: + path: "{{ systemd_path }}/ddclient.service" + state: absent + when: "matrix_dynamic_dns_ddclient_service_stat.stat.exists" + +- name: Ensure ddclient configuration files don't exist + file: + path: + - "etc/ddclient.conf" + - "etc/default/ddclient" + state: absent diff --git a/roles/matrix-dynamic-dns/tasks/validate_config.yml b/roles/matrix-dynamic-dns/tasks/validate_config.yml new file mode 100644 index 00000000..bb351e49 --- /dev/null +++ b/roles/matrix-dynamic-dns/tasks/validate_config.yml @@ -0,0 +1,19 @@ +--- + +- name: Fail if required settings not defined + fail: + msg: >- + You need to define a required configuration setting (`{{ item }}`). + when: "vars[item] == ''" + with_items: + - "matrix_dynamic_dns_username" + - "matrix_dynamic_dns_password" + - "matrix_domain" + - "matrix_dynamic_dns_provider" + - "matrix_dynamic_dns_mode" + +- name: Fail if dynamic dns mode is incorrect + fail: + msg: >- + matrix_dynamic_dns_mode needs to be set to 'daemon' or 'startup' + when: "matrix_dynamic_dns_enabled and matrix_dynamic_dns_mode != 'daemon' and matrix_dynamic_dns_mode != 'dhcp'" diff --git a/roles/matrix-dynamic-dns/templates/ddclient.conf.j2 b/roles/matrix-dynamic-dns/templates/ddclient.conf.j2 new file mode 100644 index 00000000..dcb5c1e4 --- /dev/null +++ b/roles/matrix-dynamic-dns/templates/ddclient.conf.j2 @@ -0,0 +1,7 @@ +protocol={{ matrix_dynamic_dns_protocol }} +use=web +ssl=yes +server={{ matrix_dynamic_dns_provider }} +login='{{ matrix_dynamic_dns_username }}' +password='{{ matrix_dynamic_dns_password }}' +{{ matrix_domain }} \ No newline at end of file diff --git a/roles/matrix-dynamic-dns/templates/ddclient.j2 b/roles/matrix-dynamic-dns/templates/ddclient.j2 new file mode 100644 index 00000000..eb5d053d --- /dev/null +++ b/roles/matrix-dynamic-dns/templates/ddclient.j2 @@ -0,0 +1,4 @@ +run_dhclient="{{ (matrix_dynamic_dns_mode == 'dhcp') | lower }}" +run_ipup="false" +run_daemon="{{ (matrix_dynamic_dns_mode == 'daemon') | lower }}" +daemon_interval="{{ matrix_dynamic_dns_daemon_interval }}" diff --git a/setup.yml b/setup.yml index 68c4e4ee..f07f0278 100755 --- a/setup.yml +++ b/setup.yml @@ -5,6 +5,7 @@ roles: - matrix-base + - dynamic-dns - matrix-mailer - matrix-postgres - matrix-corporal