Galera HTTP Check
This is a small script to provide the status of a galera cluster over http.
With a (mysql) galera node if it is in a donor or joiner state, the port will
be up but the server is not accepting queries.
This provides an http endpoint (/check-galera-status) which will return 500
if the server is down or galera is in a non-serving state. It will return
The body returned provides details.
This package can be build and run from source or in a docker container
This is the recommended method for running. Provided is a docker compose file
for use. This must be updated with the proper variables for your setup.
Once the docker-compose has been updated it can be run as such:
The second method of running this code is to build it from source
go get -u Shelnutt2/galera_http_check
To connect to mysql, the username and password are read from environmental
variables. You must set these before you run the application
export MYSQL_USERNAME=user export MYSQL_PASSWORD=password
If $GOPATH/bin is in your PATH then you can invoke it directly.
galera_http_check --host localhost
Else run it from $GOPATH
$GOPATH/bin/galera_http_check --host localhost