Merge branch 'alertmanager-webhook' of kazu634/itamae into master

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

cookbooks/prometheus/alertmanager_webhook_setup.rb

@@ -0,0 +1,14 @@
+# Deploy `supervisor` config for `Alert Manager Webhook Logger`
+remote_file '/etc/supervisor/conf.d/alertmanager_webhook_logger.conf' do
+  owner  'root'
+  group  'root'
+  mode   '644'
+
+  notifies :restart, 'service[supervisor]'
+end
+
+# Restart the `supervisor`:
+service 'supervisor' do
+  action :nothing
+end
+

cookbooks/prometheus/attributes.rb

@@ -31,4 +31,11 @@ node.reverse_merge!({
     'storage' => '/opt/prometheus/',
     'location' => '/usr/local/bin/'
   },
+  'alertmanager_webhook' => {
+    'url' => 'https://github.com/tomtom-international/alertmanager-webhook-logger/releases/download/',
+    'prefix' => 'alertmanager-webhook-logger-',
+    'postfix' => '.tar.gz',
+    'storage' => '/opt/prometheus/',
+    'location' => '/usr/local/bin/'
+  },
 })

cookbooks/prometheus/default.rb

@@ -8,6 +8,9 @@ if node['prometheus']['manager']
 
   include_recipe './alertmanager_install.rb'
   include_recipe './alertmanager_setup.rb'
+
+  include_recipe './alertmanager_webhook_install.rb'
+  include_recipe './alertmanager_webhook_setup.rb'
 end
 
 # Install the node_exporter here:

cookbooks/prometheus/files/etc/prometheus.d/alertmanager.yml

@@ -15,3 +15,7 @@ receivers:
     title: "{{ range .Alerts }}{{ .Annotations.summary }}\n{{ end }}"
     text: "{{ range .Alerts }}{{ .Annotations.description }}\n{{ end }}"
     send_resolved: true
+
+  webhook_configs:
+  - send_resolved: true
+    url: 'http://localhost:6725'

cookbooks/prometheus/files/etc/supervisor/conf.d/alertmanager_webhook_logger.conf

@@ -0,0 +1,7 @@
+[program:alertmanager-webhook-logger]
+command=/usr/local/bin/alertmanager-webhook-logger
+stdout_logfile=/var/log/supervisor/alertmanager-webhook-logger.log
+redirect_stderr=true
+stdout_logfile_maxbytes=1MB
+stdout_logfile_backups=5
+autorestart=true