AddNodeFlags adds node flags and binds them to config/environment variables Every command that allows user to specify the node name has three options: (1) Provide the kubernetes node name (2) Provide the VMMS instance information (--subscription, --node-resource-group, --vmss and --instance-id) (3) Provide Resource ID (/subscriptions/mySubID/resourceGroups/myRG/providers/myProvider/virtualMachineScaleSets/myVMSS/virtualMachines/myInsID).

AddNodeFlagsOnly adds node flags without binding config/environment variables.

GetCredentials returns a credential chain that will try to authenticate using the Azure CLI and then using the interactive browser.

GetNodeResourceID retrieve the Azure resource ID of a given node.

ParseVMSSResourceID extracts elements from a given VMSS resource ID with format: /subscriptions/mySubID/resourceGroups/myRG/providers/myProvider/virtualMachineScaleSets/myVMSS/virtualMachines/myInsID.

VirtualMachineScaleSetVMFromConfig returns a VirtualMachineScaleSetVM object it assumes that the config is set and valid.

CommonFlags contains CLI flags common for all subcommands.