slack-notifier

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

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
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.

Fork the repo on GitHub
Clone the project to your own machine
Commit changes to your own branch
Push your work back up to your fork
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

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.

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

We love Open Source Software!

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

Contributors

Erik Osterman	Andriy Knysh

Name		Name	Last commit message	Last commit date
Latest commit History 7 Commits
.github/workflows		.github/workflows
images		images
.gitignore		.gitignore
Dockerfile		Dockerfile
LICENSE		LICENSE
Makefile		Makefile
README.md		README.md
go.mod		go.mod
main.go		main.go
slack_notifier.go		slack_notifier.go

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slack-notifier

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run in a Docker container with ENV vars

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slack-notifier

Usage

build the Go program locally

run locally with ENV vars

run locally with command-line arguments

build the Docker image

run in a Docker container with ENV vars

References

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License

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