Golang Uptime Slack bot
This application can monitor one or multiple websites and send notification to slack channel if the website is down.
This blog is a work in progress. Feel free to check out the GitHub link as well. GitHub
Configuration
.env file
With this configuration you can only configure 1 domain
Create a file called .env into the same folder where your executable is
SLACK_BOT_TOKEN=<your token>
SLACK_CHANNEL_ID=<your channel id>
MONITOR_URL=https://yourdomain.com/health
MONITOR_TEXT="<html"
# Slow warning limit is set in miliseconds
SLOW_WARNING_LIMIT=3000
# Scan frequency in seconds
SCAN_FREQUENCY=30
# User agent, if not set it uses GolangUptimeBot/1.0
HTTP_USER_AGENT="TestUptimeBot/1.0"
# If the error occures frequently we stop flooding slack, we repeat the message only after the delay secounds passed, aggregating the number of occurances.
REPEAT_NOTIFICATION_DELAY=20
Yaml file
With this configuration you can only configure 1 or multiple domains.
Create a file called config.yaml into the same folder where your executable is
Accounts:
- SlackBotToken: your token
ScanFrequency: 10
SlackChannelID: your channel id
MonitorURL: https://yourdomain1.com
MonitorText: <html
HTTPUserAgent: UptimeBot/1.0
SlowWarningLimit: 3000
RepeatNotificationDelay: 20
- SlackBotToken: your token
ScanFrequency: 10
SlackChannelID: your channel id
MonitorURL: https://yourdomain2.com/health
MonitorText: Welcome
HTTPUserAgent: UptimeBot/1.0
SlowWarningLimit: 6000
RepeatNotificationDelay: 20
It is possible to set the same token and same channel, or same token different channel or different token and different channel in any combination
Note: The HTTPUserAgent not required, if not set it will defult to GolangUptimeBot/1.0 as of now
Closing the applications
ctrl + c
Make targets
make build
make run
make run-background
make run-test
The run-background will start the application (on linux and mac) in the backgound.
Kill application running on background
You can kill your application if it is running in the background as follows:
ps -ax | grep upclient
Look from the process ID from the output:
77193 pts/0 Sl 0:00 ./upclient
77312 pts/0 S+ 0:00 grep --color=auto upclient
Look for the one without the grep and copy the id
kill 77193
Application killed
Coming soon
- Report with daily maximum, minimum and avarage page loads, number of outages once a day
- Database support to save report
- Sending out the daily report to slack as well
