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vm_create.go
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/
vm_create.go
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package cmd
import (
"fmt"
"os"
"strings"
"github.com/exoscale/egoscale"
"github.com/spf13/cobra"
"github.com/exoscale/cli/pkg/account"
"github.com/exoscale/cli/pkg/globalstate"
"github.com/exoscale/cli/pkg/output"
"github.com/exoscale/cli/utils"
)
var vmCreateCmd = &cobra.Command{
Use: "create NAME",
Short: "Deploy a Compute instance",
Long: fmt.Sprintf(`This command deploys a new Compute instance.
Supported output template annotations: %s`,
strings.Join(output.TemplateAnnotations(&vmShowOutput{}), ", ")),
Aliases: gCreateAlias,
PreRunE: func(cmd *cobra.Command, args []string) error {
if len(args) != 1 {
cmdExitOnUsageError(cmd, "invalid arguments")
}
cmdSetZoneFlagFromDefault(cmd)
return cmdCheckRequiredFlags(cmd, []string{"zone"})
},
RunE: func(cmd *cobra.Command, args []string) error {
vmName := args[0]
userDataPath, err := cmd.Flags().GetString("cloud-init-file")
if err != nil {
return err
}
userDataCompress, err := cmd.Flags().GetBool("cloud-init-compress")
if err != nil {
return err
}
userData := ""
if userDataPath != "" {
userData, err = getUserDataFromFile(userDataPath, userDataCompress)
if err != nil {
return err
}
}
zoneName, err := cmd.Flags().GetString("zone")
if err != nil {
return err
}
zone, err := getZoneByNameOrID(zoneName)
if err != nil {
return err
}
templateFilter, err := cmd.Flags().GetString("template-filter")
if err != nil {
return err
}
if templateFilter, err = validateTemplateFilter(templateFilter); err != nil {
return err
}
templateName, err := cmd.Flags().GetString("template")
if err != nil {
return err
}
template, err := getTemplateByNameOrID(zone.ID, templateName, templateFilter)
if err != nil {
return err
}
diskSize, err := cmd.Flags().GetInt64("disk")
if err != nil {
return err
}
keypair, err := cmd.Flags().GetString("keypair")
if err != nil {
return err
}
if keypair == "" {
keypair = account.CurrentAccount.DefaultSSHKey
}
sg, err := cmd.Flags().GetStringSlice("security-group")
if err != nil {
return err
}
sgs, err := getSecurityGroupIDs(sg)
if err != nil {
return err
}
ipv6, err := cmd.Flags().GetBool("ipv6")
if err != nil {
return err
}
privnets, err := cmd.Flags().GetStringSlice("privnet")
if err != nil {
return err
}
pvs, err := getPrivnetIDs(privnets, zone.ID)
if err != nil {
return err
}
so, err := cmd.Flags().GetString("service-offering")
if err != nil {
return err
}
servOffering, err := getServiceOfferingByNameOrID(so)
if err != nil {
return err
}
antiAffinityGroups, err := cmd.Flags().GetStringSlice("anti-affinity-group")
if err != nil {
return err
}
aags, err := getAffinityGroupIDs(antiAffinityGroups)
if err != nil {
return err
}
vm, err := createVM(&egoscale.DeployVirtualMachine{
Name: vmName,
UserData: userData,
ZoneID: zone.ID,
TemplateID: template.ID,
RootDiskSize: diskSize,
KeyPair: keypair,
SecurityGroupIDs: sgs,
IP6: &ipv6,
NetworkIDs: pvs,
ServiceOfferingID: servOffering.ID,
AffinityGroupIDs: aags,
})
if err != nil {
return err
}
if !globalstate.Quiet {
return printOutput(showVM(vm.ID.String()))
}
return nil
},
}
func createVM(deployVM *egoscale.DeployVirtualMachine) (*egoscale.VirtualMachine, error) {
var (
sshKey *egoscale.SSHKeyPair
singleUseSSHKey bool
)
// If not SSH key is specified, create a single-use SSH key, store the private key locally
// and delete the public key from the API once the Instance has been deployed.
if deployVM.KeyPair == "" {
singleUseSSHKey = true
if !globalstate.Quiet {
fmt.Fprintln(os.Stderr, "Creating single-use SSH key")
}
keyName, err := utils.RandStringBytes(64)
if err != nil {
return nil, err
}
sshKey, err = createSSHKey(keyName)
if err != nil {
return nil, fmt.Errorf("error creating single-use SSH keypair: %s", err)
}
deployVM.KeyPair = sshKey.Name
defer deleteSSHKey(sshKey.Name) // nolint: errcheck
}
resp := asyncTasks([]task{{deployVM, fmt.Sprintf("Deploying %q", deployVM.Name)}})
errors := filterErrors(resp)
if len(errors) > 0 {
return nil, errors[0]
}
vm := resp[0].resp.(*egoscale.VirtualMachine)
if singleUseSSHKey {
saveKeyPair(sshKey, *vm.ID)
}
return vm, nil
}
func init() {
vmCreateCmd.Flags().StringP(zoneFlagLong, zoneFlagShort, "", zoneFlagMsg)
vmCreateCmd.Flags().StringP("template", "t", defaultTemplate, "template NAME|ID")
vmCreateCmd.Flags().StringP("template-filter", "", defaultTemplateFilter, templateFilterHelp)
vmCreateCmd.Flags().StringP("service-offering", "o", defaultServiceOffering, serviceOfferingHelp)
vmCreateCmd.Flags().Int64P("disk", "d", 50, "disk size")
vmCreateCmd.Flags().StringP("keypair", "k", "", "SSH keypair name. If not specified, a single-use SSH key will be created.")
vmCreateCmd.Flags().StringSliceP("security-group", "s", nil, "Security Group NAME|ID. Can be specified multiple times.")
vmCreateCmd.Flags().StringSliceP("privnet", "p", nil, "Private Network NAME|ID. Can be specified multiple times.")
vmCreateCmd.Flags().StringSliceP("anti-affinity-group", "a", nil, "Anti-Affinity Group NAME|ID. Can be specified multiple times.")
vmCreateCmd.Flags().StringP("cloud-init-file", "f", "", "instance cloud-init userdata")
vmCreateCmd.Flags().BoolP("cloud-init-compress", "", false, "compress instance cloud-init user data")
vmCreateCmd.Flags().BoolP("ipv6", "6", false, "enable IPv6")
vmCmd.AddCommand(vmCreateCmd)
}