88 lines
1.9 KiB
Bash
88 lines
1.9 KiB
Bash
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#!/usr/bin/env bash
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# Usage: slackpost -w <webhook_url> -c <channel> -u <username> -m <message> [-a <alert_type>]
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# Usage: echo <message> | slackpost -w <webhook_url> -c <channel> -u <username> [-a <alert_type>]
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# exit immediately if a command exits with a non-zero status
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set -e
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# error if variable referenced before being set
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set -u
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# produce failure return code if any command fails in pipe
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set -o pipefail
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# accepted values: good, warning, danger
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alert_type=""
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channel=""
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message=""
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username=""
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webhook_url=""
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# colon after var means it has a value rather than it being a bool flag
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while getopts 'a:c:m:u:w:' OPTION; do
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case "$OPTION" in
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a)
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alert_type="$OPTARG"
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;;
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c)
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channel="$OPTARG"
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;;
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m)
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message="$OPTARG"
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;;
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u)
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username="$OPTARG"
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;;
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w)
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webhook_url="$OPTARG"
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;;
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?)
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echo "script usage: $(basename $0) {-c channel} {-m message} {-u username} {-w webhook} [-a alert_type]" >&2
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exit 1
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;;
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esac
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done
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shift "$(($OPTIND -1))"
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# # exit if channel not provided
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# if [[ -z "$channel" ]]
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# then
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# echo "No channel specified"
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# exit 1
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# fi
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# read piped data as message if message argument is not provided
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if [[ -z "$message" ]]
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then
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message=$*
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while IFS= read -r line; do
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message="$message$line\n"
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done
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fi
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# # exit if username not provided
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# if [[ -z "$username" ]]
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# then
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# echo "No username specified"
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# exit 1
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# fi
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# exit if webhook not provided
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if [[ -z "$webhook_url" ]]
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then
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echo "No webhook_url specified"
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exit 1
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fi
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# escape message text
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escapedText=$(echo $message | sed 's/"/\"/g' | sed "s/'/\'/g")
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# create JSON payload
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# json="{\"channel\": \"$channel\", \"username\":\"$username\", \"icon_emoji\":\"ghost\", \"attachments\":[{\"color\":\"$alert_type\" , \"text\": \"$escapedText\"}]}"
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json="{\"attachments\":[{\"color\":\"$alert_type\" , \"text\": \"$escapedText\"}]}"
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# fire off slack message post
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curl -s -d "payload=$json" "$webhook_url"
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