From 07b311b49b1790a0cee6f99a2d9eccb32cdf4c0d Mon Sep 17 00:00:00 2001
From: Someone <someone@somenet.org>
Date: Mon, 29 Apr 2024 10:46:28 +0200
Subject: [PATCH] [roles/base/systemd-fail-mail] mail systemd unit errors via
 email to root

---
 .../files/default/systemd-unit-status-mail.sh | 19 ++++++++++
 .../files/default/unit-status-mail.service    | 15 ++++++++
 roles/base/systemd/fail-mail/tasks/main.yml   | 35 +++++++++++++++++++
 3 files changed, 69 insertions(+)
 create mode 100644 roles/base/systemd/fail-mail/files/default/systemd-unit-status-mail.sh
 create mode 100644 roles/base/systemd/fail-mail/files/default/unit-status-mail.service
 create mode 100644 roles/base/systemd/fail-mail/tasks/main.yml

diff --git a/roles/base/systemd/fail-mail/files/default/systemd-unit-status-mail.sh b/roles/base/systemd/fail-mail/files/default/systemd-unit-status-mail.sh
new file mode 100644
index 0000000..1994c9e
--- /dev/null
+++ b/roles/base/systemd/fail-mail/files/default/systemd-unit-status-mail.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+################################################
+### Managed by someone's ansible provisioner ###
+################################################
+# Part of: https://git.somenet.org/root/pub/somesible.git
+# 2017-2024 by someone <someone@somenet.org>
+#
+
+UNITSTATUS=$(systemctl status -n1000000000 "$1")
+
+sendmail $2 <<EOF
+From:systemd-unit-status-mailer<root@$3>
+To:<$2@$3>
+Subject:systemd <$2@$3> ($1)
+
+$UNITSTATUS
+EOF
+
+echo -e "Mail report sent to: $2 for unit: $1"
diff --git a/roles/base/systemd/fail-mail/files/default/unit-status-mail.service b/roles/base/systemd/fail-mail/files/default/unit-status-mail.service
new file mode 100644
index 0000000..88f588a
--- /dev/null
+++ b/roles/base/systemd/fail-mail/files/default/unit-status-mail.service
@@ -0,0 +1,15 @@
+#
+################################################
+### Managed by someone's ansible provisioner ###
+################################################
+# Part of: https://git.somenet.org/root/pub/somesible.git
+# 2017-2024 by someone <someone@somenet.org>
+#
+
+[Unit]
+Description=Unit Status Mailer Service
+After=network.target
+
+[Service]
+Type=oneshot
+ExecStart=/bin/systemd-unit-status-mail.sh "%I" "%u" "%H"
diff --git a/roles/base/systemd/fail-mail/tasks/main.yml b/roles/base/systemd/fail-mail/tasks/main.yml
new file mode 100644
index 0000000..ab251d5
--- /dev/null
+++ b/roles/base/systemd/fail-mail/tasks/main.yml
@@ -0,0 +1,35 @@
+#####################################
+### someone's ansible provisioner ###
+#####################################
+# Part of: https://git.somenet.org/root/pub/somesible.git
+# 2017-2024 by someone <someone@somenet.org>
+#
+---
+- name: copy unit-status-mail unit file
+  copy:
+    src: "{{item}}"
+    dest: "/etc/systemd/system/unit-status-mail@.service"
+  with_first_found:
+    - "{{lookup('env','PWD')}}/host_files/{{inventory_hostname}}/{{role_name}}/unit-status-mail.service"
+    - "{{lookup('env','PWD')}}/group_files/{{group_files_group}}/{{role_name}}/unit-status-mail.service"
+    - "{{lookup('env','PWD')}}/group_files/all/{{role_name}}/unit-status-mail.service"
+    - "default/unit-status-mail.service"
+
+
+- name: copy systemd-unit-status-mail shell script
+  copy:
+    src: "{{item}}"
+    dest: "/bin/systemd-unit-status-mail.sh"
+    mode: 0755
+    owner: "root"
+    group: "root"
+  with_first_found:
+    - "{{lookup('env','PWD')}}/host_files/{{inventory_hostname}}/{{role_name}}/systemd-unit-status-mail.sh"
+    - "{{lookup('env','PWD')}}/group_files/{{group_files_group}}/{{role_name}}/systemd-unit-status-mail.sh"
+    - "{{lookup('env','PWD')}}/group_files/all/{{role_name}}/systemd-unit-status-mail.sh"
+    - "default/systemd-unit-status-mail.sh"
+
+
+- name: reload systemd
+  systemd:
+    daemon_reload: yes
-- 
2.43.0