From 0dab3afc85c0d2468af07679d296440de1e04a7f Mon Sep 17 00:00:00 2001
From: "Dustin C. Hatch" <dustin@hatch.name>
Date: Wed, 10 Aug 2022 19:44:32 -0500
Subject: [PATCH] r/alertmanager: Deploy AlertManager

*AlertManager* is the component of the Prometheus ecosystem responsible
for sending alert notifications.
---
 alertmanager.yml                     |  3 +++
 roles/alertmanager/handlers/main.yml |  4 ++++
 roles/alertmanager/tasks/deploy.yml  | 36 ++++++++++++++++++++++++++++
 roles/alertmanager/tasks/main.yml    |  7 ++++++
 4 files changed, 50 insertions(+)
 create mode 100644 alertmanager.yml
 create mode 100644 roles/alertmanager/handlers/main.yml
 create mode 100644 roles/alertmanager/tasks/deploy.yml
 create mode 100644 roles/alertmanager/tasks/main.yml

diff --git a/alertmanager.yml b/alertmanager.yml
new file mode 100644
index 0000000..5bdb22e
--- /dev/null
+++ b/alertmanager.yml
@@ -0,0 +1,3 @@
+- hosts: alertmanager
+  roles:
+  - alertmanager
diff --git a/roles/alertmanager/handlers/main.yml b/roles/alertmanager/handlers/main.yml
new file mode 100644
index 0000000..0c81a71
--- /dev/null
+++ b/roles/alertmanager/handlers/main.yml
@@ -0,0 +1,4 @@
+- name: reload alertmanager
+  service:
+    name: alertmanager
+    state: reloaded
diff --git a/roles/alertmanager/tasks/deploy.yml b/roles/alertmanager/tasks/deploy.yml
new file mode 100644
index 0000000..1817424
--- /dev/null
+++ b/roles/alertmanager/tasks/deploy.yml
@@ -0,0 +1,36 @@
+- name: ensure prometheus configuration directory exists
+  file:
+    path: /etc/prometheus
+    mode: u=rwx,go=rx
+    owner: root
+    group: root
+    state: directory
+  tags:
+  - config
+- name: ensure alertmanager is configured
+  copy:
+    dest: /etc/prometheus/alertmanager.yml
+    content: |+
+      {{ alertmanager_config | to_nice_yaml(indent=2) }}
+    mode: u=rw,go=r
+    owner: root
+    group: root
+  notify:
+  - reload alertmanager
+  tags:
+  - config
+
+- name: ensure alertmanager starts at boot
+  service:
+    name: alertmanager
+    enabled: true
+  tags:
+  - service
+- name: flush handlers
+  meta: flush_handlers
+- name: ensure alertmanager is running
+  service:
+    name: alertmanager
+    state: started
+  tags:
+  - service
diff --git a/roles/alertmanager/tasks/main.yml b/roles/alertmanager/tasks/main.yml
new file mode 100644
index 0000000..15c704a
--- /dev/null
+++ b/roles/alertmanager/tasks/main.yml
@@ -0,0 +1,7 @@
+- block:
+#  - import_tasks: install.yml
+#    tags:
+#    - install
+  - import_tasks: deploy.yml
+  tags:
+  - alertmanager