Posting URL alerts to a Slack channel

[posturl]
enabled=1

# levels can be comma-delimited list of any of the following:
# DEBUG,INFO,WARN,ERROR,CRITICAL,ALERT
# If left empty, will listen for all levels
levels=

# clusters is a comma-delimited list of cluster names for which
# this alert config will be eligible to run.
# If left empty, this alert will be called for events on all clusters
clusters=

# the URL to send an HTTP POST to
url=http://host/path/to/script

# Set a username for basic HTTP authorization
#username=foo

# Set a password for basic HTTP authorization
#password=bar

# Override any headers with comma seperated, key=value pairs
# headers=token=abc123, content-type=application/json

# The number of seconds before a connection to url or proxy_url
# will be aborted due to a timeout. Defaults to 5 seconds.
connection_timeout=5

# The number of seconds to wait after sending the POST request before
# the request will be aborted due to a timeout. Defaults to the same
# value as connection_timeout if not set.
#request_timeout=5

# Set the type of posted data. Available options are 'json' or 'form'
post_type=template

# Fields specified here will override the default event data fields.
#
# They must be formatted as key-value pair, with key and value separated by
# an equals (=). Each pair after the first must be on its own line,
# indented beyond the first line
#
# You may use tokens found within the default event data for or in
# values. For example, some available keys are:
#   cluster, time, level_str, message, target_node, event_source, success, api_source_ip, user, source_node
# Keys must be encapsulated in {brackets}.
#
#fields=textKey=value
#    mixedKey=cluster-{cluster}
#    event-msg={message}

# Customizable templates for http post data. Some available keys are:
#     node, cluster, datetime, level_str, message, target_node, event_source, success, api_source_ip, user, source_node
# More advanced formatting options explained here: https://docs.python.org/2/library/string.html#formatspec Each line
# beyond the first must be indented. Use with post_type=template, and content-type and other headers must be manually
# assigned.
# template={{
#   "messages":[
#     {{
#       "type": "link",
#       "message": "Cluster {cluster} failure - {message}"
#       "href": "http://opscenter1"
#     }}
#   ]}}

# Slack accepts messages in specific format. Following template can be used to send messages to slack webhook.
# One of the message format accepted by slack:
#                    {
#                        "blocks": [
#                            {
#                                "type": "section",
#                                "text": {
#                                    "type": "mrkdwn",
#                                    "text": "This is a message which actually sent to webhook and this must be string"
#                                }
#                            }
#                            ]
#                    }
# More messaging formats are explained on https://api.slack.com/messaging/composing
# Some available keys are:
# node, cluster, datetime, level_str, message, target_node, event_source, success, api_source_ip, user, source_node.
# Use with post_type=template, and content-type and other headers must be manually assigned.
# Uncomment below template for sending messages over slack webhook
template={{
  "blocks": [
              {{
                  "type": "section",
                  "text": {{
                             "type": "mrkdwn",
                             "text" : "cluster: {cluster},
                                       level: {level},
                                       event_source: {event_source},
                                       message: {message},
                                       target_node: {target_node},
                                       api_source_ip: {api_source_ip},
                                       success: {success},
                                       source_node: {source_node},
                                       action: {action},
                                       time: {time},
                                       level_str: {level_str},
                                       user: {user}"
                  }}
              }}
  ]}}