remove message assert as it fails when using interpolation and add SLACK_ATTACHMENTS (#481)

* remove message assert as it fails when using interpolation

* add optional arg SLACK_ATTACHMENTS

* bump default image version to 0.0.7

Author: kl4w

incubating/slack-post-channel/lib/slack.py

@@ -6,16 +6,18 @@
 import os
 import sys
 import logging
+import json
 from slack_sdk import WebClient
 from slack_sdk.errors import SlackApiError
 
 def main():
     log_format = "%(asctime)s:%(levelname)s:%(name)s.%(funcName)s: %(message)s"
     logging.basicConfig(format = log_format, level = os.environ['LOG_LEVEL'].upper())
 
-    channel=os.getenv('SLACK_CHANNEL')
-    message=os.getenv('SLACK_MESSAGE', "")
-    token  =os.getenv('SLACK_TOKEN')
+    channel     =os.getenv('SLACK_CHANNEL')
+    message     =os.getenv('SLACK_MESSAGE', "")
+    token       =os.getenv('SLACK_TOKEN')
+    attachments =os.getenv('SLACK_ATTACHMENTS', "")
 
     if ( channel == None ):
         logging.error("SLACK_CHANNEL is not defined")
@@ -25,6 +27,13 @@ def main():
         logging.error("SLACK_TOKEN is not defined")
         sys.exit(1)
 
+    if ( attachments != "" ):
+        try:
+            attachments = json.loads(attachments)
+        except ValueError as e:
+            logging.error(f"Error decoding attachments: {e}")
+            sys.exit(3)
+
     logging.info("Connecting to Slack")
     client = WebClient(token=token)
 
@@ -41,8 +50,7 @@ def main():
             sys.exit(3)
 
     try:
-        response = client.chat_postMessage(channel=channel, text=message)
-        assert response["message"]["text"] == message
+        response = client.chat_postMessage(channel=channel, text=message, attachments=attachments)
     except SlackApiError as e:
         # You will get a SlackApiError if "ok" is False
         assert e.response["ok"] is False

incubating/slack-post-channel/step.yaml

@@ -2,7 +2,7 @@ kind: step-type
 version: '1.0'
 metadata:
   name: slack-post-channel
-  version: 0.0.6
+  version: 0.0.7
   title: Send a Slack message to a channel
   isPublic: true
   description: Send a message to a named Slack channel (instead of using a webhook URL)
@@ -51,7 +51,7 @@ spec:
             },
             "SLACK_IMAGE_VERSION": {
               "type": "string",
-              "default": "0.0.6",
+              "default": "0.0.7",
               "description": "Version (tag) of the slack-post-channel image to use."
             },
             "SLACK_TOKEN": {
@@ -67,6 +67,11 @@ spec:
                 "description": "The message to send to the channel. Use <@ID> to tag a user. Check https://api.slack.com/reference/surfaces/formatting for details.",
                 "default": "Message sent from Codefresh was not defined explicitely."
             },
+            "SLACK_ATTACHMENTS": {
+                "type": "string",
+                "description": "Attachments to send. Documentation https://api.slack.com/docs/message-attachments",
+                "default": ""
+            },
             "LOG_LEVEL": {
               "type": "string",
               "description": "Set log level, default info",