create a snapshot before the update starts

.gitignore

@@ -1,3 +1 @@
-# ---> Ansible
-*.retry
-
+venv/

init.sh

@@ -0,0 +1,8 @@
+
+# initialize venv
+python3 -m venv venv
+. ./venv/bin/activate
+
+pip install -r requirements.txt
+
+ansible-galaxy collection install -r requirements.yml

inventory/group_vars/sites/proxmox.yml

@@ -0,0 +1,4 @@
+---
+proxmox_api_host: rimeru.stuyckv.local
+proxmox_api_user: ansible@pve
+proxmox_api_token_id: ansible

inventory/group_vars/sites/vault.yml

@@ -0,0 +1,9 @@
+$ANSIBLE_VAULT;1.1;AES256
+66393831316666346565393032333961373365346633643730386661616332356431653331396334
+3633373066646165636639646462376338366665376561650a643530306339666436323130383737
+36373532623435336466386433326664356537326137363537343133323739343732383565346336
+6630636236363261610a646336613436323462663339313364393833653539653238666437623261
+65383864346165623730363136353838396131643962393134366362393266356365396231633064
+65366631653437626666343465383338383637373139353130623961316662353431313037303834
+36356131323233613461333163303537306635343065663435333961376264316235643335323661
+36336331336537343432

inventory/homelab

@@ -1,5 +1,4 @@
 [ubuntu]
-charybdis.stuyckv.local
 shion.stuyckv.local
 charybdis.stuyckv.local
 ramiris.stuyckv.local

inventory/host_vars/shion.stuyckv.local.yml

@@ -0,0 +1,5 @@
+checkmk_sites:
+  - local
+  - dev
+
+vmid: 101

inventory/monitoring

@@ -0,0 +1,12 @@
+[sites]
+shion.stuyckv.local
+
+[agents]
+rimeru.stuyckv.local
+shion.stuyckv.local
+charybdis.stuyckv.local
+ramiris.stuyckv.local
+millim.stuyckv.local
+guy.stuyckv.local
+claymen.stuyckv.local
+leon.stuyckv.local

playbooks/update-checkmk.yml

@@ -0,0 +1,68 @@
+- name: Update checkmk on monitoring hosts
+  hosts: sites
+  become: true
+
+  tasks:
+    # cannot be done with git module. It has no method to query the tags of a repo
+    - name: Get latest checkmk version # noqa: run-once[task] command-instead-of-module
+      register: checkmk_version
+      run_once: true
+      changed_when: false
+      ansible.builtin.shell:
+        executable: /bin/bash
+        cmd: |
+          set -o pipefail
+          git -c 'versionsort.suffix=-' \
+            ls-remote --tags --sort='v:refname' \
+            https://github.com/Checkmk/checkmk.git |\
+            grep -v '\-rc.' | tail --lines=1 |\
+            cut --delimiter='/' --fields=3 | tr -d "v^{}"
+
+    - name: Output checkmk version # noqa: run-once[task]
+      run_once: true
+      ansible.builtin.debug:
+        var: checkmk_version.stdout
+
+    - name: Snapshot VM before update
+      become: false
+      delegate_to: localhost
+      community.proxmox.proxmox_snap:
+        api_host: "{{ proxmox_api_host }}"
+        api_user: "{{ proxmox_api_user }}"
+        api_token_id: "{{ proxmox_api_token_id }}"
+        api_token_secret: "{{ proxmox_api_token_secret }}"
+        validate_certs: false
+        hostname: "{{ inventory_hostname_short }}"
+        snapname: "checkmk_{{ checkmk_version.stdout | replace('.', '_') | replace('-', '_') }}"
+        description: "Pre-update snapshot before checkmk {{ checkmk_version.stdout }}"
+        timeout: 120
+        state: present
+
+    - name: Install new checkmk version
+      vars:
+        filename: "check-mk-raw-{{ checkmk_version.stdout }}_0.{{ ansible_facts.lsb.codename }}_amd64.deb"
+      ansible.builtin.apt:
+        deb: "https://download.checkmk.com/checkmk/{{ checkmk_version.stdout }}/{{ filename }}"
+      when: ansible_facts.lsb.id == 'Ubuntu'
+
+    - name: Stop omd sites
+      register: stop_cmd
+      changed_when: stop_cmd.rc == 0
+      loop: "{{ checkmk_sites }}"
+      ansible.builtin.command: "omd stop {{ item }}"
+
+    - name: Create backup of site (/tmp/backup-{ item }.tar.gz)
+      changed_when: true
+      loop: "{{ checkmk_sites }}"
+      ansible.builtin.command: "omd backup {{ item }} /tmp/backup-{{ item }}.tar.gz"
+
+    - name: Update omd site
+      changed_when: true
+      loop: "{{ checkmk_sites }}"
+      ansible.builtin.command: "omd -f update --conflict=keepold {{ item }}"
+
+    - name: Start omd sites
+      register: start_cmd
+      changed_when: start_cmd.rc == 0
+      loop: "{{ checkmk_sites }}"
+      ansible.builtin.command: "omd start {{ item }}"

requirements.txt

@@ -0,0 +1,2 @@
+proxmoxer
+requests

requirements.yml

@@ -0,0 +1,4 @@
+---
+collections:
+  - name: community.proxmox
+    version: "1.6.0"