From 48abdc5f6b14947c0641049a1e828e447ddec9df Mon Sep 17 00:00:00 2001
From: WhatTheMike <michael@localghost.lol>
Date: Tue, 13 Feb 2024 18:36:34 +0000
Subject: [PATCH] Cleaned up rpi stuffs

---
 playbooks/rpi-basics.yaml            | 10 +++++++++
 playbooks/rpi-model.yaml             | 15 +++++++++++++
 playbooks/rpi-watchdog.yaml          | 33 ----------------------------
 roles/rpi_scripts/files/rpi-model.sh | 11 ++++++++++
 roles/rpi_scripts/files/rpi-temp.sh  |  6 +++++
 roles/rpi_scripts/tasks/main.yaml    | 23 +++++++++++++++++++
 roles/rpi_watchdog/tasks/main.yaml   | 28 +++++++++++++++++++++++
 7 files changed, 93 insertions(+), 33 deletions(-)
 create mode 100644 playbooks/rpi-basics.yaml
 create mode 100644 playbooks/rpi-model.yaml
 delete mode 100644 playbooks/rpi-watchdog.yaml
 create mode 100644 roles/rpi_scripts/files/rpi-model.sh
 create mode 100644 roles/rpi_scripts/files/rpi-temp.sh
 create mode 100644 roles/rpi_scripts/tasks/main.yaml
 create mode 100644 roles/rpi_watchdog/tasks/main.yaml

diff --git a/playbooks/rpi-basics.yaml b/playbooks/rpi-basics.yaml
new file mode 100644
index 0000000..fb3e557
--- /dev/null
+++ b/playbooks/rpi-basics.yaml
@@ -0,0 +1,10 @@
+---
+- name: Ensures basic scripts & configs set up for Raspberry Pis
+  hosts: raspberries
+  tasks:
+    - name: Include the rpi_scripts role
+      include_role:
+        name: rpi_scripts
+    - name: Include the rpi_watchdog role
+      include_role:
+        name: rpi_watchdog
diff --git a/playbooks/rpi-model.yaml b/playbooks/rpi-model.yaml
new file mode 100644
index 0000000..e09443c
--- /dev/null
+++ b/playbooks/rpi-model.yaml
@@ -0,0 +1,15 @@
+---
+- name: Gets models for raspberry pies (raspberries)
+  hosts: raspberries
+  tasks:
+    - name: Include the rpi_scripts role
+      include_role:
+        name: rpi_scripts
+    - name: Execute model script
+      ansible.builtin.command:
+        chdir: /home/pi/bin
+        cmd: ./model
+      register: stdout
+    - name: Display raspberry models
+      debug:
+        var=stdout.stdout
diff --git a/playbooks/rpi-watchdog.yaml b/playbooks/rpi-watchdog.yaml
deleted file mode 100644
index ed18ecb..0000000
--- a/playbooks/rpi-watchdog.yaml
+++ /dev/null
@@ -1,33 +0,0 @@
----
-- name: Configure watchdog on raspberry pis
-  hosts: raspberries
-  tasks:
-    # https://raspberrypi.stackexchange.com/a/99625
-    - name: Configure watchdog runtime to 10 sec
-      ansible.builtin.replace:
-        regexp: '#?RuntimeWatchdogSec=\d+'
-        replace: 'RuntimeWatchdogSec=10'
-        path: /etc/systemd/system.conf
-      become: true
-      become_method: sudo
-      register: runtime_watchdoggo
-    - name: Configure watchdog shutdown timer to 10 min
-      ansible.builtin.replace:
-        regexp: '#?ShutdownWatchdogSec=\d+[a-z]*'
-        replace: 'ShutdownWatchdogSec=10min'
-        path: /etc/systemd/system.conf
-      become: true
-      become_method: sudo
-      register: shutdown_watchdoggo
-
-    - name: Reload systemd if needed
-      ansible.builtin.systemd_service:
-        daemon_reload: true
-      become: true
-      become_method: sudo
-      when: runtime_watchdoggo.changed or shutdown_watchdoggo.changed
-
-
-#RuntimeWatchdogSec=0
-#ShutdownWatchdogSec=10min
-
diff --git a/roles/rpi_scripts/files/rpi-model.sh b/roles/rpi_scripts/files/rpi-model.sh
new file mode 100644
index 0000000..303d189
--- /dev/null
+++ b/roles/rpi_scripts/files/rpi-model.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+# For determining the hardware version of a Raspberry Pi
+# https://stackoverflow.com/a/46163991
+
+model=""
+while IFS= read -r -d '' substring || [[ $substring ]]; do
+ model+="$substring"
+done </proc/device-tree/model
+
+
+echo $model
diff --git a/roles/rpi_scripts/files/rpi-temp.sh b/roles/rpi_scripts/files/rpi-temp.sh
new file mode 100644
index 0000000..cfac59b
--- /dev/null
+++ b/roles/rpi_scripts/files/rpi-temp.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+if [[ -z $1 ]]; then
+ vcgencmd measure_temp | sed "s/'/°/g"
+else
+ vcgencmd measure_temp | sed "s/'/°/g" | cut -d= -f2
+fi
diff --git a/roles/rpi_scripts/tasks/main.yaml b/roles/rpi_scripts/tasks/main.yaml
new file mode 100644
index 0000000..2cd43b3
--- /dev/null
+++ b/roles/rpi_scripts/tasks/main.yaml
@@ -0,0 +1,23 @@
+---
+# Model script
+- name: Confirm directory structure
+  ansible.builtin.file:
+    path: /home/pi/bin
+    state: directory
+- name: Ensure raspberry pi model script is present
+  ansible.builtin.copy:
+    src: rpi-model.sh
+    dest: /home/pi/bin/model
+    mode: '0755'
+    force: yes
+# Temperature script
+- name: Confirm directory structure
+  ansible.builtin.file:
+    path: /home/pi/bin
+    state: directory
+- name: Ensure raspberry pi temp script is present
+  ansible.builtin.copy:
+    src: rpi-temp.sh
+    dest: /home/pi/bin/temp
+    mode: '0755'
+    force: yes
diff --git a/roles/rpi_watchdog/tasks/main.yaml b/roles/rpi_watchdog/tasks/main.yaml
new file mode 100644
index 0000000..5c3b044
--- /dev/null
+++ b/roles/rpi_watchdog/tasks/main.yaml
@@ -0,0 +1,28 @@
+---
+# https://raspberrypi.stackexchange.com/a/99625
+- name: Configure watchdog runtime to 10 sec
+  ansible.builtin.replace:
+    # Looking for line: #RuntimeWatchdogSec=0
+    regexp: '#?RuntimeWatchdogSec=\d+'
+    replace: 'RuntimeWatchdogSec=10'
+    path: /etc/systemd/system.conf
+  become: true
+  become_method: sudo
+  register: runtime_watchdoggo
+- name: Configure watchdog shutdown timer to 10 min
+  ansible.builtin.replace:
+    # Looking for line #ShutdownWatchdogSec=10min
+    regexp: '#?ShutdownWatchdogSec=\d+[a-z]*'
+    replace: 'ShutdownWatchdogSec=10min'
+    path: /etc/systemd/system.conf
+  become: true
+  become_method: sudo
+  register: shutdown_watchdoggo
+
+- name: Reload systemd if needed
+  ansible.builtin.systemd_service:
+    daemon_reload: true
+  become: true
+  become_method: sudo
+  when: runtime_watchdoggo.changed or shutdown_watchdoggo.changed
+