AuthMethodFromPrivateKey read public key.

AuthMethodFromPrivateKeyFile read public key.

FileExists Check if FileExists.

GetNodeProviderID func.

MaxInt max(a,b).

MinInt min(a,b).

NodeFromJSON deserialize a string to apiv1.Node.

NodeGroupIDFromProviderID returns group node name from provider.

NodeNameFromProviderID return node name from provider ID.

Pipe execute local command and return output.

Scp copy file.

Shell execute local command ignore output.

Sudo exec ssh command as sudo.

ToJSON serialize interface to json.