From 2d3b0f8219f0c1f8884ebeddaa9f70646dcb2f02 Mon Sep 17 00:00:00 2001 From: Claudio Maradonna Date: Wed, 12 Apr 2023 18:09:25 +0200 Subject: [PATCH] add zram service role --- group_vars/all.yml | 1 + roles/zram/README.md | 38 +++++++++++++++++++++ roles/zram/defaults/main.yml | 6 ++++ roles/zram/handlers/main.yml | 2 ++ roles/zram/meta/main.yml | 52 +++++++++++++++++++++++++++++ roles/zram/tasks/install_Debian.yml | 11 ++++++ roles/zram/tasks/main.yml | 37 ++++++++++++++++++++ roles/zram/tests/inventory | 2 ++ roles/zram/tests/test.yml | 5 +++ roles/zram/vars/main.yml | 2 ++ 10 files changed, 156 insertions(+) create mode 100644 roles/zram/README.md create mode 100644 roles/zram/defaults/main.yml create mode 100644 roles/zram/handlers/main.yml create mode 100644 roles/zram/meta/main.yml create mode 100644 roles/zram/tasks/install_Debian.yml create mode 100644 roles/zram/tasks/main.yml create mode 100644 roles/zram/tests/inventory create mode 100644 roles/zram/tests/test.yml create mode 100644 roles/zram/vars/main.yml diff --git a/group_vars/all.yml b/group_vars/all.yml index 938b4f6..312dfbc 100644 --- a/group_vars/all.yml +++ b/group_vars/all.yml @@ -10,3 +10,4 @@ active_services: - snort-community - dns-filter - samba + - zram diff --git a/roles/zram/README.md b/roles/zram/README.md new file mode 100644 index 0000000..225dd44 --- /dev/null +++ b/roles/zram/README.md @@ -0,0 +1,38 @@ +Role Name +========= + +A brief description of the role goes here. + +Requirements +------------ + +Any pre-requisites that may not be covered by Ansible itself or the role should be mentioned here. For instance, if the role uses the EC2 module, it may be a good idea to mention in this section that the boto package is required. + +Role Variables +-------------- + +A description of the settable variables for this role should go here, including any variables that are in defaults/main.yml, vars/main.yml, and any variables that can/should be set via parameters to the role. Any variables that are read from other roles and/or the global scope (ie. hostvars, group vars, etc.) should be mentioned here as well. + +Dependencies +------------ + +A list of other roles hosted on Galaxy should go here, plus any details in regards to parameters that may need to be set for other roles, or variables that are used from other roles. + +Example Playbook +---------------- + +Including an example of how to use your role (for instance, with variables passed in as parameters) is always nice for users too: + + - hosts: servers + roles: + - { role: username.rolename, x: 42 } + +License +------- + +BSD + +Author Information +------------------ + +An optional section for the role authors to include contact information, or a website (HTML is not allowed). diff --git a/roles/zram/defaults/main.yml b/roles/zram/defaults/main.yml new file mode 100644 index 0000000..87e4c3e --- /dev/null +++ b/roles/zram/defaults/main.yml @@ -0,0 +1,6 @@ +--- +# defaults file for zram + +zram_enabled: true +zram_algo: zstd +zram_percent: 60 diff --git a/roles/zram/handlers/main.yml b/roles/zram/handlers/main.yml new file mode 100644 index 0000000..cdb8b29 --- /dev/null +++ b/roles/zram/handlers/main.yml @@ -0,0 +1,2 @@ +--- +# handlers file for zram diff --git a/roles/zram/meta/main.yml b/roles/zram/meta/main.yml new file mode 100644 index 0000000..c572acc --- /dev/null +++ b/roles/zram/meta/main.yml @@ -0,0 +1,52 @@ +galaxy_info: + author: your name + description: your role description + company: your company (optional) + + # If the issue tracker for your role is not on github, uncomment the + # next line and provide a value + # issue_tracker_url: http://example.com/issue/tracker + + # Choose a valid license ID from https://spdx.org - some suggested licenses: + # - BSD-3-Clause (default) + # - MIT + # - GPL-2.0-or-later + # - GPL-3.0-only + # - Apache-2.0 + # - CC-BY-4.0 + license: license (GPL-2.0-or-later, MIT, etc) + + min_ansible_version: 2.1 + + # If this a Container Enabled role, provide the minimum Ansible Container version. + # min_ansible_container_version: + + # + # Provide a list of supported platforms, and for each platform a list of versions. + # If you don't wish to enumerate all versions for a particular platform, use 'all'. + # To view available platforms and versions (or releases), visit: + # https://galaxy.ansible.com/api/v1/platforms/ + # + # platforms: + # - name: Fedora + # versions: + # - all + # - 25 + # - name: SomePlatform + # versions: + # - all + # - 1.0 + # - 7 + # - 99.99 + + galaxy_tags: [] + # 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. diff --git a/roles/zram/tasks/install_Debian.yml b/roles/zram/tasks/install_Debian.yml new file mode 100644 index 0000000..2123024 --- /dev/null +++ b/roles/zram/tasks/install_Debian.yml @@ -0,0 +1,11 @@ + +- name: Install zram-tools if needed + ansible.builtin.package: + name: zram-tools + +- name: Enable zramswap service + ansible.builtin.systemd: + name: zramswap + enabled: yes + state: started + masked: no diff --git a/roles/zram/tasks/main.yml b/roles/zram/tasks/main.yml new file mode 100644 index 0000000..f4c23ff --- /dev/null +++ b/roles/zram/tasks/main.yml @@ -0,0 +1,37 @@ +--- +# tasks file for zram + +- ansible.builtin.debug: + msg: "ENABLED = {{ zram_enabled }}; zram-role; install and configure zram" + +- when: + - "zram_enabled is true" + - "'global.update_only' not in ansible_run_tags" + + block: + - name: Gather package facts + package_facts: + manager: auto + + - name: Install zram-tools if not present + when: "'zram-tools' not in ansible_facts.packages" + block: + - include_tasks: "install_{{ ansible_os_family }}.yml" + + - name: Populate service facts + ansible.builtin.service_facts: + + - name: Configure zram-tools + when: "ansible_facts.services['zramswap.service'] is defined" + block: + - name: Update /etc/default/zramswap ALGO + replace: + path: /etc/default/zramswap + regexp: '^[#]?\s*ALGO=[A-Za-z0-9]+$' + replace: "ALGO={{zram_algo}}" + + - name: Update /etc/default/zramswap PERCENT + replace: + path: /etc/default/zramswap + regexp: '^[#]?\s*PERCENT=[A-Za-z0-9]+$' + replace: "PERCENT={{zram_percent}}" diff --git a/roles/zram/tests/inventory b/roles/zram/tests/inventory new file mode 100644 index 0000000..878877b --- /dev/null +++ b/roles/zram/tests/inventory @@ -0,0 +1,2 @@ +localhost + diff --git a/roles/zram/tests/test.yml b/roles/zram/tests/test.yml new file mode 100644 index 0000000..c39e329 --- /dev/null +++ b/roles/zram/tests/test.yml @@ -0,0 +1,5 @@ +--- +- hosts: localhost + remote_user: root + roles: + - zram diff --git a/roles/zram/vars/main.yml b/roles/zram/vars/main.yml new file mode 100644 index 0000000..bb7e33d --- /dev/null +++ b/roles/zram/vars/main.yml @@ -0,0 +1,2 @@ +--- +# vars file for zram