From 991a810ac025206f2d1ca7669181d719d2fde929 Mon Sep 17 00:00:00 2001
From: Chris Hammer <chris@thezengarden.net>
Date: Thu, 7 Nov 2024 16:50:09 -0500
Subject: [PATCH] Initial project commit

---
 .ansible-lint           |  5 +++++
 README.md               |  6 ++++++
 defaults/main.yml       | 17 +++++++++++++++++
 meta/main.yml           | 26 ++++++++++++++++++++++++++
 tasks/check_boot_id.yml | 38 ++++++++++++++++++++++++++++++++++++++
 tasks/main.yml          | 16 ++++++++++++++++
 6 files changed, 108 insertions(+)
 create mode 100644 .ansible-lint
 create mode 100644 README.md
 create mode 100644 defaults/main.yml
 create mode 100644 meta/main.yml
 create mode 100644 tasks/check_boot_id.yml
 create mode 100644 tasks/main.yml

diff --git a/.ansible-lint b/.ansible-lint
new file mode 100644
index 0000000..b6d3809
--- /dev/null
+++ b/.ansible-lint
@@ -0,0 +1,5 @@
+skip_list:
+  - yaml[colons]
+  - yaml[empty-lines]
+  - yaml[line-length]
+  - no-changed-when
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..8d1275a
--- /dev/null
+++ b/README.md
@@ -0,0 +1,6 @@
+verified_reboot
+=========
+
+This role will use proc's boot_id file to determine if a host has rebooted or not.
+
+
diff --git a/defaults/main.yml b/defaults/main.yml
new file mode 100644
index 0000000..e3b6fce
--- /dev/null
+++ b/defaults/main.yml
@@ -0,0 +1,17 @@
+---
+verified_reboot_reboot_time: 1 # Time in minutes issued to the shutdown command
+verified_reboot_reboot_msg: '*** ANSIBLE INITIATED REBOOT ***'
+verified_reboot_bootid_file: /proc/sys/kernel/random/boot_id
+verified_reboot_max_checks: 10
+
+# Maximum number of seconds to wait for a connection to happen before closing and retrying.
+verified_reboot_wait_conn_timeout: 20
+
+# Number of seconds to sleep between checks.
+verified_reboot_wait_sleep: 10
+
+# Number of seconds to wait before starting to poll.
+verified_reboot_wait_delay: 70
+
+# Maximum number of seconds to wait for.
+verified_reboot_wait_timeout: 1800
diff --git a/meta/main.yml b/meta/main.yml
new file mode 100644
index 0000000..0237532
--- /dev/null
+++ b/meta/main.yml
@@ -0,0 +1,26 @@
+galaxy_info:
+  author: Chris Hammer
+  description: This role will use proc's boot_id file to determine if a host has rebooted or not.
+
+  # 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: BSD-3-Clause
+
+  min_ansible_version: "2.14"
+
+  platforms:
+    - name: EL
+      versions:
+        - "7"
+        - "8"
+        - "9"
+
diff --git a/tasks/check_boot_id.yml b/tasks/check_boot_id.yml
new file mode 100644
index 0000000..a926a4b
--- /dev/null
+++ b/tasks/check_boot_id.yml
@@ -0,0 +1,38 @@
+---
+- name: Wait for connection to host
+  ansible.builtin.wait_for_connection:
+    connect_timeout: "{{ verified_reboot_wait_conn_timeout }}"
+    sleep: "{{ verified_reboot_wait_sleep }}"
+    delay: "{{ verified_reboot_wait_delay }}"
+    timeout: "{{ verified_reboot_wait_timeout }}"
+
+- name: Increment check count
+  ansible.builtin.set_fact:
+    verified_reboot_check_count:
+      "{{ 1 if verified_reboot_check_count is undefined else verified_reboot_check_count | int + 1 }}"
+
+- name: Capture post-reboot boot ID
+  ansible.builtin.slurp:
+    src: "{{ verified_reboot_bootid_file }}"
+  register: verified_reboot_post_boot_id_raw
+
+- name: Set post-reboot boot ID
+  ansible.builtin.set_fact:
+    verified_reboot_post_boot_id: "{{ verified_reboot_post_boot_id_raw['content'] | b64decode | trim }}"
+
+- name: Debug boot IDs
+  ansible.builtin.debug:
+    msg: "{{ verified_reboot_pre_boot_id }} == {{ verified_reboot_post_boot_id }}"
+    verbosity: 1
+
+- name: Max check count exception
+  ansible.builtin.fail:
+    msg: "Max check count ({{ verified_reboot_max_checks }}) reached. Aborting."
+  when:
+    - verified_reboot_check_count | int >= verified_reboot_max_checks
+
+- name: Re-check host reboot status
+  ansible.builtin.include_tasks: check_boot_id.yml
+  when:
+    - verified_reboot_pre_boot_id == verified_reboot_post_boot_id
+    - verified_reboot_check_count | int < verified_reboot_max_checks
diff --git a/tasks/main.yml b/tasks/main.yml
new file mode 100644
index 0000000..6458209
--- /dev/null
+++ b/tasks/main.yml
@@ -0,0 +1,16 @@
+---
+- name: Capture initial boot ID
+  ansible.builtin.slurp:
+    src: "{{ verified_reboot_bootid_file }}"
+  register: verified_reboot_pre_boot_id_raw
+
+- name: Set pre-reboot boot ID
+  ansible.builtin.set_fact:
+    verified_reboot_pre_boot_id: "{{ verified_reboot_pre_boot_id_raw['content'] | b64decode | trim }}"
+
+- name: Reboot the host
+  ansible.builtin.command:
+    cmd: "/usr/sbin/shutdown -r +{{ verified_reboot_reboot_time }} '{{ verified_reboot_reboot_msg }}'"
+
+- name: Verify reboot status of host
+  ansible.builtin.include_tasks: check_boot_id.yml