Class: Fastlane::Actions::SlackAction

Inherits:
Fastlane::Action show all
Defined in:
lib/fastlane/actions/slack.rb

Helper collapse

Class Method Summary collapse

Methods inherited from Fastlane::Action

action_name, authors, details, method_missing, other_action, output, return_value, sh, step_text

Class Method Details

.authorObject



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# File 'lib/fastlane/actions/slack.rb', line 116

def self.author
  "KrauseFx"
end

.available_optionsObject



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# File 'lib/fastlane/actions/slack.rb', line 58

def self.available_options
  [
    FastlaneCore::ConfigItem.new(key: :message,
                                 env_name: "FL_SLACK_MESSAGE",
                                 description: "The message that should be displayed on Slack. This supports the standard Slack markup language",
                                 optional: true),
    FastlaneCore::ConfigItem.new(key: :channel,
                                 env_name: "FL_SLACK_CHANNEL",
                                 description: "#channel or @username",
                                 optional: true),
    FastlaneCore::ConfigItem.new(key: :use_webhook_configured_username_and_icon,
                                 env_name: "FL_SLACK_USE_WEBHOOK_CONFIGURED_USERNAME_AND_ICON",
                                 description: "Use webook's default username and icon settings? (true/false)",
                                 default_value: false,
                                 is_string: false,
                                 optional: true),
    FastlaneCore::ConfigItem.new(key: :slack_url,
                                 env_name: "SLACK_URL",
                                 description: "Create an Incoming WebHook for your Slack group",
                                 verify_block: proc do |value|
                                   UI.user_error!("Invalid URL, must start with https://") unless value.start_with? "https://"
                                 end),
    FastlaneCore::ConfigItem.new(key: :username,
                                 env_name: "FL_SLACK_USERNAME",
                                 description: "Overrides the webook's username property if use_webhook_configured_username_and_icon is false",
                                 default_value: "fastlane",
                                 is_string: true,
                                 optional: true),
    FastlaneCore::ConfigItem.new(key: :icon_url,
                                 env_name: "FL_SLACK_ICON_URL",
                                 description: "Overrides the webook's image property if use_webhook_configured_username_and_icon is false",
                                 default_value: "https://s3-eu-west-1.amazonaws.com/fastlane.tools/fastlane.png",
                                 is_string: true,
                                 optional: true),
    FastlaneCore::ConfigItem.new(key: :payload,
                                 env_name: "FL_SLACK_PAYLOAD",
                                 description: "Add additional information to this post. payload must be a hash containg any key with any value",
                                 default_value: {},
                                 is_string: false),
    FastlaneCore::ConfigItem.new(key: :default_payloads,
                                 env_name: "FL_SLACK_DEFAULT_PAYLOADS",
                                 description: "Remove some of the default payloads. More information about the available payloads on GitHub",
                                 optional: true,
                                 is_string: false),
    FastlaneCore::ConfigItem.new(key: :attachment_properties,
                                 env_name: "FL_SLACK_ATTACHMENT_PROPERTIES",
                                 description: "Merge additional properties in the slack attachment, see https://api.slack.com/docs/attachments",
                                 default_value: {},
                                 is_string: false),
    FastlaneCore::ConfigItem.new(key: :success,
                                 env_name: "FL_SLACK_SUCCESS",
                                 description: "Was this build successful? (true/false)",
                                 optional: true,
                                 default_value: true,
                                 is_string: false)
  ]
end

.deep_merge(a, b) ⇒ Object



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# File 'lib/fastlane/actions/slack.rb', line 199

def self.deep_merge(a, b)
  merger = proc do |key, v1, v2|
    Hash === v1 && Hash === v2 ?
           v1.merge(v2, &merger) : Array === v1 && Array === v2 ?
             v1 | v2 : [:undefined, nil, :nil].include?(v2) ? v1 : v2
  end
  a.merge(b, &merger)
end

.descriptionObject



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# File 'lib/fastlane/actions/slack.rb', line 54

def self.description
  "Send a success/error message to your Slack group"
end

.generate_slack_attachments(options) ⇒ Object



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# File 'lib/fastlane/actions/slack.rb', line 124

def self.generate_slack_attachments(options)
  color = (options[:success] ? 'good' : 'danger')
  should_add_payload = ->(payload_name) { options[:default_payloads].nil? || options[:default_payloads].include?(payload_name) }

  slack_attachment = {
    fallback: options[:message],
    text: options[:message],
    color: color,
    mrkdwn_in: ["pretext", "text", "fields", "message"],
    fields: []
  }

  # custom user payloads
  slack_attachment[:fields] += options[:payload].map do |k, v|
    {
      title: k.to_s,
      value: Slack::Notifier::LinkFormatter.format(v.to_s),
      short: false
    }
  end

  # lane
  if should_add_payload[:lane]
    slack_attachment[:fields] << {
      title: 'Lane',
      value: Actions.lane_context[Actions::SharedValues::LANE_NAME],
      short: true
    }
  end

  # test_result
  if should_add_payload[:test_result]
    slack_attachment[:fields] << {
      title: 'Result',
      value: (options[:success] ? 'Success' : 'Error'),
      short: true
    }
  end

  # git branch
  if Actions.git_branch && should_add_payload[:git_branch]
    slack_attachment[:fields] << {
      title: 'Git Branch',
      value: Actions.git_branch,
      short: true
    }
  end

  # git_author
  if Actions.git_author_email && should_add_payload[:git_author]
    if ENV['FASTLANE_SLACK_HIDE_AUTHOR_ON_SUCCESS'] && options[:success]
      # We only show the git author if the build failed
    else
      slack_attachment[:fields] << {
        title: 'Git Author',
        value: Actions.git_author_email,
        short: true
      }
    end
  end

  # last_git_commit
  if Actions.last_git_commit_message && should_add_payload[:last_git_commit]
    slack_attachment[:fields] << {
      title: 'Git Commit',
      value: Actions.last_git_commit_message,
      short: false
    }
  end

  # merge additional properties
  deep_merge(slack_attachment, options[:attachment_properties])
end

.is_supported?(platform) ⇒ Boolean

Returns:

  • (Boolean)


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# File 'lib/fastlane/actions/slack.rb', line 8

def self.is_supported?(platform)
  true
end

.run(options) ⇒ Object



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# File 'lib/fastlane/actions/slack.rb', line 22

def self.run(options)
  require 'slack-notifier'

  options[:message] = self.trim_message(options[:message].to_s || '')
  options[:message] = Slack::Notifier::LinkFormatter.format(options[:message])

  notifier = Slack::Notifier.new(options[:slack_url])

  notifier.username = options[:use_webhook_configured_username_and_icon] ? nil : options[:username]
  icon_url = options[:use_webhook_configured_username_and_icon] ? nil : options[:icon_url]

  if options[:channel].to_s.length > 0
    notifier.channel = options[:channel]
    notifier.channel = ('#' + notifier.channel) unless ['#', '@'].include?(notifier.channel[0]) # send message to channel by default
  end

  slack_attachment = generate_slack_attachments(options)

  return [notifier, slack_attachment] if Helper.is_test? # tests will verify the slack attachments and other properties

  result = notifier.ping '',
                         icon_url: icon_url,
                         attachments: [slack_attachment]

  if result.code.to_i == 200
    UI.success('Successfully sent Slack notification')
  else
    UI.verbose(result)
    UI.user_error!("Error pushing Slack message, maybe the integration has no permission to post on this channel? Try removing the channel parameter in your Fastfile.")
  end
end

.trim_message(message) ⇒ Object

As there is a text limit in the notifications, we are usually interested in the last part of the message e.g. for tests



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# File 'lib/fastlane/actions/slack.rb', line 15

def self.trim_message(message)
  # We want the last 7000 characters, instead of the first 7000, as the error is at the bottom
  start_index = [message.length - 7000, 0].max
  message = message[start_index..-1]
  message
end