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Command line utility to send messages with attachments to Slack channels via Incoming Webhooks

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cloudposse/slack-notifier

slack-notifier

Command line utility to send messages with attachments to Slack channels via Incoming Webhooks.

GitHub Commit Status

Usage

NOTE: The module accepts parameters as command-line arguments or as ENV variables (or any combination of command-line arguments and ENV vars). Command-line arguments take precedence over ENV vars.

NOTE: The module supports up to 8 Fields in an attachment

Command-line argument ENV var Description
webhook_url SLACK_WEBHOOK_URL Slack Webhook URL
user_name SLACK_USER_NAME Slack user name (the username from which the messages will be sent)
icon_emoji SLACK_ICON_EMOJI Slack icon emoji for the user's avatar
fallback SLACK_FALLBACK A plain-text summary of the attachment. This text will be used in clients that don't show formatted text
color SLACK_COLOR An optional value that can either be one of good, warning, danger, or a color code (e.g. #439FE0)
channel SLACK_CHANNEL Slack channel to send to
thread SLACK_THREAD Slack channel thread to send to
pretext SLACK_PRETEXT Optional text that appears above the message attachment block
author_name SLACK_AUTHOR_NAME Small text to display the attachment author's name
author_link SLACK_AUTHOR_LINK URL that will hyperlink the author's name. Will only work if author_name is present
author_icon SLACK_AUTHOR_ICON URL of a small 16x16px image to the left of the author's name. Will only work if author_name is present
title SLACK_TITLE The title is displayed as larger, bold text near the top of a message attachment
title_link SLACK_TITLE_LINK URL for the title text to be hyperlinked
text SLACK_TEXT Main text in a message attachment
thumb_url SLACK_THUMB_URL URL to an image file that will be displayed as a thumbnail on the right side of a message attachment
footer SLACK_FOOTER Brief text to help contextualize and identify an attachment
footer_icon SLACK_FOOTER_ICON URL of a small icon beside the footer text
image_url SLACK_IMAGE_URL URL to an image file that will be displayed inside a message attachment
field1_title SLACK_FIELD1_TITLE Field1 title
field1_value SLACK_FIELD1_VALUE Field1 value
field1_short SLACK_FIELD1_SHORT An optional boolean indicating whether the value is short enough to be displayed side-by-side with other values (default false)
field2_title SLACK_FIELD2_TITLE Field2 title
field2_value SLACK_FIELD2_VALUE Field2 value
field2_short SLACK_FIELD2_SHORT An optional boolean indicating whether the value is short enough to be displayed side-by-side with other values (default false)
field3_title SLACK_FIELD3_TITLE Field3 title
field3_value SLACK_FIELD3_VALUE Field3 value
field3_short SLACK_FIELD3_SHORT An optional boolean indicating whether the value is short enough to be displayed side-by-side with other values (default false)
field4_title SLACK_FIELD4_TITLE Field4 title
field4_value SLACK_FIELD4_VALUE Field4 value
field4_short SLACK_FIELD4_SHORT An optional boolean indicating whether the value is short enough to be displayed side-by-side with other values (default false)
field5_title SLACK_FIELD5_TITLE Field5 title
field5_value SLACK_FIELD5_VALUE Field5 value
field5_short SLACK_FIELD5_SHORT An optional boolean indicating whether the value is short enough to be displayed side-by-side with other values (default false)
field6_title SLACK_FIELD6_TITLE Field6 title
field6_value SLACK_FIELD6_VALUE Field6 value
field6_short SLACK_FIELD6_SHORT An optional boolean indicating whether the value is short enough to be displayed side-by-side with other values (default false)
field7_title SLACK_FIELD7_TITLE Field7 title
field7_value SLACK_FIELD7_VALUE Field7 value
field7_short SLACK_FIELD7_SHORT An optional boolean indicating whether the value is short enough to be displayed side-by-side with other values (default false)
field8_title SLACK_FIELD8_TITLE Field8 title
field8_value SLACK_FIELD8_VALUE Field8 value
field8_short SLACK_FIELD8_SHORT An optional boolean indicating whether the value is short enough to be displayed side-by-side with other values (default false)
field9_title SLACK_FIELD9_TITLE Field9 title
field9_value SLACK_FIELD9_VALUE Field9 value
field9_short SLACK_FIELD9_SHORT An optional boolean indicating whether the value is short enough to be displayed side-by-side with other values (default false)
field10_title SLACK_FIELD10_TITLE Field10 title
field10_value SLACK_FIELD10_VALUE Field10 value
field10_short SLACK_FIELD10_SHORT An optional boolean indicating whether the value is short enough to be displayed side-by-side with other values (default false)

build the Go program locally

go get

CGO_ENABLED=0 go build -v -o "./dist/bin/slack-notifier" *.go

run locally with ENV vars

export SLACK_WEBHOOK_URL="https://hooks.slack.com/services/XXXXXXXX/XXXXXXXX/XXXXXXXXXXXXXXXXXXXXXX"
export SLACK_USER_NAME="CodeFresh"
export SLACK_ICON_EMOJI=":white_check_mark:"
export SLACK_FALLBACK="Deployed to Staging environment"
export SLACK_COLOR="good"
export SLACK_PRETEXT="Added XYZ to feature-104"
export SLACK_AUTHOR_NAME="Auto Deploy Robot"
export SLACK_AUTHOR_LINK="https://cloudposse.com/wp-content/uploads/sites/29/2018/02/small-cute-robot-square.png"
export SLACK_AUTHOR_ICON="https://cloudposse.com/wp-content/uploads/sites/29/2018/02/small-cute-robot-square.png"
export SLACK_TITLE="Environment Updated"
export SLACK_TITLE_LINK="http://demo1.cloudposse.com"
export SLACK_TEXT="The latest changes have been deployed"
export SLACK_THUMB_URL="https://cloudposse.com/wp-content/uploads/sites/29/2018/02/SquareLogo2.png"
export SLACK_FOOTER="Helm Deployment"
export SLACK_FOOTER_ICON="https://cloudposse.com/wp-content/uploads/sites/29/2018/02/kubernetes.png"
export SLACK_FIELD1_TITLE="Environment"
export SLACK_FIELD1_VALUE="Staging"
export SLACK_FIELD1_SHORT="true"
export SLACK_FIELD2_TITLE="Namespace"
export SLACK_FIELD2_VALUE="feature-104"
export SLACK_FIELD2_SHORT="true"

./dist/bin/slack-notifier

run locally with command-line arguments

./dist/bin/slack-notifier \
    -webhook_url "https://hooks.slack.com/services/XXXXXXXX/XXXXXXXX/XXXXXXXXXXXXXXXXXXXXXX" \
    -user_name "CodeFresh" \
    -icon_emoji ":white_check_mark:" \
    -fallback "Deployed to Staging environment" \
    -color "good" \
    -pretext "Added XYZ to feature-104" \
    -author_name "Auto Deploy Robot" \
    -author_link "https://cloudposse.com/wp-content/uploads/sites/29/2018/02/small-cute-robot-square.png" \
    -author_icon "https://cloudposse.com/wp-content/uploads/sites/29/2018/02/small-cute-robot-square.png" \
    -title "Environment Updated" \
    -title_link "http://demo1.cloudposse.com" \
    -text "The latest changes have been deployed" \
    -thumb_url "https://cloudposse.com/wp-content/uploads/sites/29/2018/02/SquareLogo2.png" \
    -footer "Helm Deployment" \
    -footer_icon "https://cloudposse.com/wp-content/uploads/sites/29/2018/02/kubernetes.png" \
    -field1_title "Environment" \
    -field1_value "Staging" \
    -field1_short true \
    -field2_title "Namespace" \
    -field2_value "feature-104" \
    -field2_short true

build the Docker image

NOTE: it will download all Go dependencies and then build the program inside the container (see Dockerfile)

docker build --tag slack-notifier  --no-cache=true .

run in a Docker container with ENV vars

docker run -i --rm \
    -e SLACK_WEBHOOK_URL="https://hooks.slack.com/services/XXXXXXXX/XXXXXXXX/XXXXXXXXXXXXXXXXXXXXXX" \
    -e SLACK_USER_NAME="CodeFresh" \
    -e SLACK_ICON_EMOJI=":white_check_mark:" \
    -e SLACK_FALLBACK="Deployed to Staging environment" \
    -e SLACK_COLOR="good" \
    -e SLACK_PRETEXT="Added XYZ to feature-104" \
    -e SLACK_AUTHOR_NAME="Auto Deploy Robot" \
    -e SLACK_AUTHOR_LINK="https://cloudposse.com/wp-content/uploads/sites/29/2018/02/small-cute-robot-square.png" \
    -e SLACK_AUTHOR_ICON="https://cloudposse.com/wp-content/uploads/sites/29/2018/02/small-cute-robot-square.png" \
    -e SLACK_TITLE="Environment Updated" \
    -e SLACK_TITLE_LINK="http://demo1.cloudposse.com" \
    -e SLACK_TEXT="The latest changes have been deployed" \
    -e SLACK_THUMB_URL="https://cloudposse.com/wp-content/uploads/sites/29/2018/02/SquareLogo2.png" \
    -e SLACK_FOOTER="Helm Deployment" \
    -e SLACK_FOOTER_ICON="https://cloudposse.com/wp-content/uploads/sites/29/2018/02/kubernetes.png" \
    -e SLACK_FIELD1_TITLE="Environment" \
    -e SLACK_FIELD1_VALUE="Staging" \
    -e SLACK_FIELD1_SHORT="true" \
    -e SLACK_FIELD2_TITLE="Namespace" \
    -e SLACK_FIELD2_VALUE="feature-104" \
    -e SLACK_FIELD2_SHORT="true" \
    slack-notifier

References

Help

Got a question?

File a GitHub issue, send us an email or reach out to us on Gitter.

Contributing

Bug Reports & Feature Requests

Please use the issue tracker to report any bugs or file feature requests.

Developing

If you are interested in being a contributor and want to get involved in developing slack-notifier, we would love to hear from you! Shoot us an email.

In general, PRs are welcome. We follow the typical "fork-and-pull" Git workflow.

  1. Fork the repo on GitHub
  2. Clone the project to your own machine
  3. Commit changes to your own branch
  4. Push your work back up to your fork
  5. Submit a Pull request so that we can review your changes

NOTE: Be sure to merge the latest from "upstream" before making a pull request!

License

APACHE 2.0 © 2018 Cloud Posse, LLC

See LICENSE for full details.

Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.

About

slack-notifier is maintained and funded by Cloud Posse, LLC.

Cloud Posse

Like it? Please let us know at [email protected]

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See our other projects or hire us to help build your next cloud platform.

Contributors

Erik Osterman
Erik Osterman
Andriy Knysh
Andriy Knysh