From c71c6fb17d00b81dff034947fde99555fdd1dbc6 Mon Sep 17 00:00:00 2001
From: L3D <l3d@c3woc.de>
Date: Mon, 21 Nov 2022 16:57:07 +0100
Subject: [PATCH] Set version

---
 defaults/main.yml     |  4 +++-
 handlers/main.yml     |  4 ++++
 tasks/main.yml        |  3 +++
 tasks/set_version.yml | 38 ++++++++++++++++++++++++++++++++++++++
 vars/main.yml         |  3 +++
 5 files changed, 51 insertions(+), 1 deletion(-)
 create mode 100644 handlers/main.yml
 create mode 100644 tasks/set_version.yml

diff --git a/defaults/main.yml b/defaults/main.yml
index 3053e6d..2fe8374 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -1,10 +1,12 @@
 ---
 # Unix vars
 ping_exporter__user: 'ping_exporter'
-ping_exporter__grpup: 'ping_exporter'
+ping_exporter__group: 'ping_exporter'
 ping_exporter__user_home: '/var/lib/ping_exporter'
 ping_exporter__shell: '/bin/false'
 
+# Version
+ping_exporter__version: 'latest'
 
 # should we do a version check? (recomended)
 submodules_versioncheck: false
diff --git a/handlers/main.yml b/handlers/main.yml
new file mode 100644
index 0000000..338c366
--- /dev/null
+++ b/handlers/main.yml
@@ -0,0 +1,4 @@
+---
+- name: Systemctl restart ping_exporter.service
+  ansible.builtin.debug:
+    msg: "in progress..."
diff --git a/tasks/main.yml b/tasks/main.yml
index 2949086..6402dc1 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -5,3 +5,6 @@
 
 - name: Create User for ping exporter
   ansible.builtin.include_tasks: create_user.yml
+
+- name: Get latest release and define version
+  ansible.builtin.include_tasks: set_version.yml
diff --git a/tasks/set_version.yml b/tasks/set_version.yml
new file mode 100644
index 0000000..0fe466d
--- /dev/null
+++ b/tasks/set_version.yml
@@ -0,0 +1,38 @@
+---
+- name: "Determine 'latest' version release"
+  when: ping_exporter__version == "latest"
+  block:
+    - name: "Get latest ping_exporter release metadata"
+      ansible.builtin.uri:
+        url: "{{ ping_exporter__repo_api }}"
+        return_content: true
+      register: ping_exporter_remote_metadata
+      when: not ansible_check_mode
+
+    - name: "Fail if running in check mode without versions set."
+      ansible.builtin.fail:
+        msg: |
+          "You are running this playbook in check mode:
+          Please set the Ping Exporter version with the variable 'ping_exporter__version', because the
+          URI module cannot detect the latest version in this mode."
+      when: ansible_check_mode and (ping_exporter__version == 'latest' or ping_exporter__version == 'present')
+
+    - name: "Set fact latest ping_exporter release"
+      ansible.builtin.set_fact:
+        ping_exporter_remote_version: "{{ ping_exporter_remote_metadata.json.tag_name }}"
+      when: not ansible_check_mode
+
+    - name: "Set ping_exporter version target (latest)"
+      ansible.builtin.set_fact:
+        ping_exporter_version_target: "{{ ping_exporter_remote_version }}"
+      when: not ansible_check_mode
+
+- name: "Set ping_exporter version target {{ ping_exporter__version }}"
+  ansible.builtin.set_fact:
+    ping_exporter_version_target: "{{ ping_exporter__version }}"
+  when: ping_exporter__version != "latest"
+
+- name: Print Ping Exporter Version
+  ansible.builtin.debug:
+    verbosity: 1
+    msg: "Set Ping Exporter Version to {{ ping_exporter_version_target }}"
diff --git a/vars/main.yml b/vars/main.yml
index 7d4cd49..e003a21 100644
--- a/vars/main.yml
+++ b/vars/main.yml
@@ -1,4 +1,7 @@
 ---
+ping_exporter__repo: 'https://github.com/czerwonk/ping_exporter.git'
+ping_exporter__repo_api: 'https://api.github.com/repos/czerwonk/ping_exporter/releases/latest'
+
 # versionscheck
 playbook_version_number: 02   # should be a integer
 playbook_version_path: 'do1jlr.prometheus_ping_exporter.version'