Can we construct a more complex slackSend notification?

[Idan Adar]

In a Node.js app, one can use the slack-notify package to send something like this:

slack.send({
      "username": "myBotName",
      "icon_emoji": ":robot_face:",
      "mrkdwn": true,
      "attachments": [
         {
            "mrkdwn_in": ['text','pretext'],
            "color": "#199515",
            "text": message,
            "fallback": "*my*: _markdown_ message."
         }
      ]  
   });

In a Jenkinsfile, one can do this:

slackSend (
       color: '#F01717',
       message: "$JOB_NAME: <$BUILD_URL|Build #$BUILD_NUMBER>, my message."
)

I'm looking for a way to accomplish the Node implementation, but using slackSend so that the message dispatched from the Jenkinsfile will be on-par with the Node.js-sent message.

[Idan Adar]

Anyone? :)

[Michael Pailloncy]

Alternatively, you can create your own Pipeline method, a bit like this one : https://github.com/jenkinsci/pipeline-examples/blob/master/pipeline-examples/slacknotify/slackNotify.groovy  

Since it's a simple curl, you can then directly use all the existing options/parameters offered by the Slack REST API.

Note that it's better to centralized this method inside a Global Shared Library (just in case you are not already using it :))

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[Idan Adar]

Ohhh, nice!

Thanks for the example Michael.

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[Idan Adar]

Do you happen to know why does the following line shows an error?

"mrkdwn_in": ['text','pretext'], -- expecting '}', found ':'

def payload = JsonOutput.toJson([
      "username": "Production Deployer",

      "icon_emoji": ":robot_face:",
      "mrkdwn": true,
      "attachments": [
         {
            "mrkdwn_in": ['text','pretext'],
            "color": "#199515",

            "text": "*$JOB_NAME:* <$BUILD_URL|Build #$BUILD_NUMBER>, _microservice_ in _${clusterName}_ successfully updated.",
            "fallback": "*Production Deployer*: operation succeeded."
         }
      ]
   ])

[Michael Pailloncy]

It's related to Groovy syntax : the { ... } is not interpreted as you want to here.

I think this example should work in your case :

    def payload = JsonOutput.toJson([

      "username": "Production Deployer",

      "icon_emoji": ":robot_face:",

      "mrkdwn": true,

      "attachments": [

         [

            "mrkdwn_in": ['text','pretext'],

            "color": "#199515",

            "text": "*$JOB_NAME:* <$BUILD_URL|Build #$BUILD_NUMBER>, _microservice_ in _${clusterName}_ successfully updated.",

            "fallback": "*Production Deployer*: operation succeeded."

        ]

      ]

   ])

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