A read-only range server frontend to grange. See there for documentation of concepts and query language.
Cluster and group data is specified in YAML files.
-
Setup your go environment if needed
mkdir $HOME/go export GOPATH=$HOME/go -
Install
grange-serverandergclientgo get -v -u github.com/square/grange-server go get -v -u github.com/square/erg
Put some range YAML files in clusters/, then:
$GOPATH/bin/grange-server --port=8888 $GOPATH/src/github.com/square/grange-server/grange.gcfg
Simple expansion (with erg client):
erg -v 1..2
Find all clusters that have type key set to "mysql":
erg -v '%{has(TYPE;mysql)}'
- Read-only serving of cluster YAML files on disk.
-parseoption to dry-run parse source files and not start the server. Will return non-zero exit code if any warnings were emitted.- Reloads configuration file in response to HUP signal. Allows dynamic log level and cluster changes.
- Can report HTTP response metrics to statsd.
See the clusters directory for sample YAML files. At minimum, your directory
should contain a GROUPS.yaml. See grange.gcfg for a sample configuration.