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eip_dissociate.go
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eip_dissociate.go
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package cmd
import (
"fmt"
"net"
"github.com/exoscale/egoscale"
"github.com/spf13/cobra"
)
// dissociateCmd represents the dissociate command
var eipDissociateCmd = &cobra.Command{
Use: "dissociate <IP address> <instance name | instance id> [instance name | instance id] [...]",
Short: "Dissociate an IP from instance(s)",
Aliases: gDissociateAlias,
RunE: func(cmd *cobra.Command, args []string) error {
if len(args) < 2 {
return cmd.Usage()
}
for _, arg := range args[1:] {
if err := dissociateIP(args[0], arg); err != nil {
return err
}
}
return nil
},
}
func dissociateIP(ipAddr, instance string) error {
ip := net.ParseIP(ipAddr)
if ip == nil {
return fmt.Errorf("invalid IP address %q", ipAddr)
}
vm, err := getVMWithNameOrID(instance)
if err != nil {
return err
}
defaultNic := vm.DefaultNic()
if defaultNic == nil {
return fmt.Errorf("the instance %q has no default NIC", vm.ID)
}
eipID, err := getSecondaryIP(defaultNic, ip)
if err != nil {
return err
}
req := &egoscale.RemoveIPFromNic{ID: eipID}
if err := cs.BooleanRequestWithContext(gContext, req); err != nil {
return err
}
println(req.ID)
return nil
}
func getSecondaryIP(nic *egoscale.Nic, ip net.IP) (*egoscale.UUID, error) {
for _, sIP := range nic.SecondaryIP {
if sIP.IPAddress.Equal(ip) {
return sIP.ID, nil
}
}
return nil, fmt.Errorf("elastic IP %q not found", ip)
}
func init() {
eipCmd.AddCommand(eipDissociateCmd)
}