Slack notify script

slackmsg.sh

#!/bin/sh 

# must set:
#   - slacktoken  (token part of slack hook url)
#   - slackchannel (channel to send to)
#   - slackbotname  (bot name)
#   - slicon  (default bot icon)
#   - slacknotice (true/false, false - supress sending slack notices)
#
if [ -z "${slacktoken}" ]; then
   slacktoken='l0lw4t'
fi
if [ -z "${slackchannel}" ]; then
   slackchannel='test'
fi
if [ -z "${slackbotname}" ]; then
   slackbotname=autobot
fi
if [ -z "${slicon}" ]; then
   slicon=gotime
fi

function msgslack {
   #  usage:  msgslack <token> <channel> <message>
   if [ -z "${slacknotice}" ] && [ "${slacknotice}" != "true" ]; then
      echo "### Supressing Slack notice"
      return 0
   fi

   token=$1
   if [[ $token == "" ]]; then
           echo "## No token specified for Slack API"
           return 1
   fi
   shift
   channel=$1
   if [[ $channel == "" ]]; then
           echo "## No channel specified for Slack"
           return 1
   fi
   shift
   color=$1
   if [[ $color == "" ]]; then
           echo "## No text color specified for Slack"
           return 1
   fi
   shift
   text="$*"
   if [[ $text == "" ]]; then
           echo "## No text specified for Slack"
           return 1
   fi
   escapedText=$(echo $text | sed 's/"/\"/g' | sed "s/'/\'/g" )
   json="{ \"channel\": \"#${channel}\", \"username\": \"${slackbotname}\", \"icon_emoji\": \":${slicon}:\", \"attachments\": [{ \"text\": \"${escapedText}\", \"unfurl_links\": \"false\", \"mrkdwn_in\": [ \"text\" ], \"color\": \"#${color}\" }] }"
   echo "### Sending Slack notification to channel ${channel}"
   curl --insecure -s --data-urlencode "payload=${json}" "https://hooks.slack.com/services/${token}"
}

## example using jenkins vars
msgslack ${slacktoken} ${slackchannel} 666666 "*Starting* buildm\n>  <${BUILD_URL}|${BUILD_TAG}>"
. ./do-things.sh
buildcode=$?
if [ ${buildcode} -ne 0 ]; then
  finalcolor=FF0000
  finalicon=":thumbsdown:"
else
  finalcolor=00FF00
  finalicon=":thumbsup:"
fi

msgslack ${slacktoken} ${slackchannel} ${finalcolor} "*Completed* build\n>  <${BUILD_URL}|${BUILD_TAG}> ${finalicon}"