From 8f850ec2c8025d3674dd2ee618bdbc7931502ec6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hannes=20K=C3=B6rber?= <hannes@hkoerber.de>
Date: Sat, 2 Oct 2021 11:09:14 +0200
Subject: [PATCH] Manage terraform binary

---
 user.yml | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 64 insertions(+), 2 deletions(-)

diff --git a/user.yml b/user.yml
index 99196dd..1fae5a3 100644
--- a/user.yml
+++ b/user.yml
@@ -257,8 +257,6 @@
       owner: "{{ user.name }}"
       group: "{{ user_group_name }}"
     with_items:
-      - name: terraform
-        optpath: terraform
       - name: hugo
         optpath: hugo
       - name: drone
@@ -460,6 +458,70 @@
   tags:
     - kubectl
 
+- block:
+  - name: set terraform version
+    set_fact:
+      terraform_version: 1.0.2
+
+  - name: stat current terraform binary
+    stat:
+      path: "/home/{{ user.name }}/.opt/terraform-v{{ terraform_version }}"
+    register: terraform_binary
+
+  - name: create temporary download directory for terraform
+    tempfile:
+      state: directory
+    register: terraform_download_dir
+    when: not terraform_binary.stat.exists
+
+  - name: get terraform
+    get_url:
+      url: "https://releases.hashicorp.com/terraform/{{ terraform_version }}/terraform_{{ terraform_version }}_linux_amd64.zip"
+      dest: "{{ terraform_download_dir.path }}/terraform.zip"
+    when: not terraform_binary.stat.exists
+
+  - name: unpack terraform zip
+    unarchive:
+      src: "{{ terraform_download_dir.path }}/terraform.zip"
+      dest: "{{ terraform_download_dir.path }}/"
+      remote_src: true
+    when: not terraform_binary.stat.exists
+
+  - name: install terraform
+    command: mv "{{ terraform_download_dir.path }}/terraform" /home/{{ user.name }}/.opt/terraform-v{{ terraform_version }}
+    when: not terraform_binary.stat.exists
+
+  - name: clean up download directory
+    file:
+      path: "{{ terraform_download_dir.path }}"
+      state: absent
+    when: not terraform_binary.stat.exists
+
+  - name: link terraform
+    file:
+      src: /home/{{ user.name }}/.opt/terraform-v{{ terraform_version }}
+      dest: /home/{{ user.name }}/.optbin/terraform
+      state: link
+
+  - name: get terraform version info
+    command: /home/{{ user.name }}/.optbin/terraform version -json
+    register: terraform_version_output
+    changed_when: false
+
+  - name: parse terraform version output
+    set_fact:
+      terraform_outdated: "{{ (terraform_version_output.stdout | from_json()).terraform_outdated }}"
+    changed_when: false
+
+  - name: warn if terraform is outdated
+    fail:
+      msg: "current terraform v{{ terraform_version }} is out of date"
+    when: terraform_outdated is sameas true
+    ignore_errors: True
+
+  tags:
+    - terraform
+
 - name: handle autostart units
   block:
   - name: create systemd user directory