debian-mirror-gitlab/lib/gitlab/chat/responder/slack.rb

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2019-07-07 11:18:12 +05:30
# frozen_string_literal: true
module Gitlab
module Chat
module Responder
class Slack < Responder::Base
SUCCESS_COLOR = '#B3ED8E'
FAILURE_COLOR = '#FF5640'
RESPONSE_TYPE = :in_channel
# Slack breaks messages apart if they're around 4 KB in size. We use a
# slightly smaller limit here to account for user mentions.
MESSAGE_SIZE_LIMIT = 3.5.kilobytes
# Sends a response back to Slack
#
# output - The output to send back to Slack, as a Hash.
def send_response(output)
Gitlab::HTTP.post(
pipeline.chat_data.response_url,
{
headers: { Accept: 'application/json' },
body: output.to_json
}
)
end
# Sends the output for a build that completed successfully.
#
# output - The output produced by the chat command.
def success(output)
return if output.empty?
send_response(
text: message_text(limit_output(output)),
response_type: RESPONSE_TYPE
)
end
# Sends the output for a build that failed.
def failure
send_response(
text: message_text("<#{build_url}|Sorry, the build failed!>"),
response_type: RESPONSE_TYPE
)
end
# Returns the output to send back after a command has been scheduled.
def scheduled_output
# We return an empty message so that Slack still shows the input
# command, without polluting the channel with standard "The job has
# been scheduled" (or similar) responses.
{ text: '' }
end
private
def limit_output(output)
if output.bytesize <= MESSAGE_SIZE_LIMIT
output
else
"<#{build_url}|The output is too large to be sent back directly!>"
end
end
def mention_user
"<@#{pipeline.chat_data.chat_name.chat_id}>"
end
def message_text(output)
"#{mention_user}: #{output}"
end
def build_url
::Gitlab::Routing.url_helpers.project_build_url(project, build)
end
end
end
end
end