From d463a2691d6eb0b6aeea6dede9c9f7ab7365f470 Mon Sep 17 00:00:00 2001
From: Kazuhiro MUSASHI <simoom634@yahoo.co.jp>
Date: Sat, 12 Sep 2020 15:04:44 +0900
Subject: [PATCH] Install `alertmanager-webhook-logger`.

---
 .../alertmanager_webhook_install.rb           | 50 +++++++++++++++++++
 cookbooks/prometheus/default.rb               |  2 +
 2 files changed, 52 insertions(+)
 create mode 100644 cookbooks/prometheus/alertmanager_webhook_install.rb

diff --git a/cookbooks/prometheus/alertmanager_webhook_install.rb b/cookbooks/prometheus/alertmanager_webhook_install.rb
new file mode 100644
index 0000000..23f48bc
--- /dev/null
+++ b/cookbooks/prometheus/alertmanager_webhook_install.rb
@@ -0,0 +1,50 @@
+alertmanager_webhook_url = ''
+alertmanager_webhook_bin = ''
+
+tag              = ''
+
+# Calculate the Download URL:
+begin
+  require 'net/http'
+
+  uri = URI.parse('https://github.com/tomtom-international/alertmanager-webhook-logger/releases/latest')
+
+  Timeout.timeout(3) do
+    response = Net::HTTP.get_response(uri)
+
+    tag = $1 if response.body =~ %r{tag\/(\d+\.\d+)}
+
+    alertmanager_webhook_bin = "#{node['alertmanager_webhook']['prefix']}#{tag}#{node['alertmanager_webhook']['postfix']}"
+
+    alertmanager_webhook_url = "#{node['alertmanager_webhook']['url']}/#{tag}/#{alertmanager_webhook_bin}"
+  end
+rescue
+  # Abort the chef client process:
+  raise 'Cannot connect to http://github.com.'
+end
+
+# Download:
+TMP = "/tmp/#{alertmanager_webhook_bin}"
+
+execute "wget #{alertmanager_webhook_url} -O #{TMP}"
+
+# Install:
+directory node['alertmanager_webhook']['storage'] do
+  owner 'root'
+  group 'root'
+  mode '755'
+end
+
+execute "tar zxf #{TMP} -C #{node['alertmanager_webhook']['storage']}"
+
+# Change Owner and Permissions:
+file "#{node['alertmanager_webhook']['storage']}alertmanager-webhook-logger" do
+  owner 'root'
+  group 'root'
+  mode  '755'
+end
+
+# Create Link
+link "#{node['alertmanager_webhook']['location']}alertmanager-webhook-logger" do
+  to "#{node['alertmanager_webhook']['storage']}alertmanager-webhook-logger"
+end
diff --git a/cookbooks/prometheus/default.rb b/cookbooks/prometheus/default.rb
index 6cfdbbc..a2f0ee4 100644
--- a/cookbooks/prometheus/default.rb
+++ b/cookbooks/prometheus/default.rb
@@ -8,6 +8,8 @@ if node['prometheus']['manager']
 
   include_recipe './alertmanager_install.rb'
   include_recipe './alertmanager_setup.rb'
+
+  include_recipe './alertmanager_webhook_install.rb'
 end
 
 # Install the node_exporter here: