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slack_handler (13) Versions 0.4.0

Installs/Configures a Chef handler for reporting results to a Slack channel.

cookbook 'slack_handler', '= 0.4.0', :supermarket
cookbook 'slack_handler', '= 0.4.0'
knife supermarket install slack_handler
knife supermarket download slack_handler
Quality 100%


Build Status

A cookbook for a chef_handler that sends reports and exceptions to Slack. There are two options for use:
1. Providing a team name and api_key (Uses the slackr gem)
2. Providing a hash containing incoming webhook url(s)

This cookbook was originally a fork of dcm-ops/chef-slack_handler. We have taken over maintenance of this cookbook and released it to Supermarket.


  • The chef_handler cookbook
  • An existing Slack incoming webhook(s)

Usage 1

  1. Create a new Slack webhook (
  2. Set the team and api_key attributes above on the node/environment/etc.
  3. Include this slack_handler recipe.

Usage 1 Attributes

  • node['chef_client']['handler']['slack']['team'] - Your Slack team name (<team-name>
  • node['chef_client']['handler']['slack']['api_key'] - The API key of your Slack incoming webhook

Optional attributes

  • node['chef_client']['handler']['slack']['channel'] - The #channel to send the results
  • node['chef_client']['handler']['slack']['username'] - The username of the Slack message
  • node['chef_client']['handler']['slack']['icon_url'] - The Slack message icon
  • node['chef_client']['handler']['slack']['icon_emoji'] - The Slack message icon defined by available :emoji:
  • node['chef_client']['handler']['slack']['detail_level'] - The level of detail in the message. Valid options are basic, elapsed and resources
  • node['chef_client']['handler']['slack']['fail_only'] - Only report when runs fail as opposed to every single occurance

NOTE: Either icon_url or icon_emoji can be used. If both are set, icon_url will take precedence.

Usage 2

  1. Create a new Slack webhook (
  2. Set the attributes as specified below
  3. Include this slack_handler recipe.

Usage 2 Attributes

  • node['chef_client']['handler']['slack']['username'] = 'Chef Handler - 2963351-crowdcube_app' *
  • node['chef_client']['handler']['slack']['webhooks']['name'].push('webhook1')
  • node['chef_client']['handler']['slack']['webhooks']['webhook1']['url'] = ''
  • node['chef_client']['handler']['slack']['webhooks']['webhook1']['fail_only'] = true
  • node['chef_client']['handler']['slack']['webhooks']['webhook1']['detail_level'] = 'elapsed'

  • node['chef_client']['handler']['slack']['webhooks']['name'].push('webhook2')

  • node['chef_client']['handler']['slack']['webhooks']['webhook2']['url'] = ''

  • node['chef_client']['handler']['slack']['webhooks']['webhook2']['fail_only'] = false

  • node['chef_client']['handler']['slack']['webhooks']['webhook2']['detail_level'] = 'resources'

NOTE: Either icon_url or icon_emoji can be used. If both are set, icon_url will take precedence.


Borrowed everything from the logstash_handler cookbook here, who in turn borrowed quite a bit from the graphite_handler cookbook here.


slack_handler is provided under the Apache License 2.0. See LICENSE for details.


v0.4.0 (2016-03-09)

  • Add (#11)
  • Move exception from message to text attachment (#12)

v0.3.0 (2016-02-18)

  • Downgrade level of the webhook log message from warn to info

v0.2.0 (2016-02-01)

  • Add Rubocop and Foodcritic
  • Fix ruby syntax
  • Fix bug when not using webhooks
  • Add circle.yml for CircleCI
  • Webhook handler honors :icon_url attribute

v0.1.0 (2015-05-25)

  • Initial release to Supermarket at f32996d


Forked from dcm-ops/chef-slack_handler on 2015-05-18.

Foodcritic Metric

0.4.0 passed this metric