A port-forward proxy. Allows an onward connection from the cluster to some other host in your cluster’s network, eg your hosted database/cache/other service.
In practice, this means that a hosted service can be made available only to the cluster, then cluster users can be granted access by giving them permission to run port-forward on the tunneller.
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helm install stable/socat-tunneller --name db-tunneller --set tunnel.host=mydbhost.cloud --set tunnel.port=3306 --set nameOverride=db-tunneller |
then:
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kubectl port-forward svc/db-tunneller 13306:3306 |
then, for example:
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mysql -u myuser -h 127.0.0.1 --port 13306 -p |
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