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instance_show.go
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instance_show.go
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package cmd
import (
"fmt"
"strings"
"github.com/dustin/go-humanize"
exoapi "github.com/exoscale/egoscale/v2/api"
"github.com/spf13/cobra"
)
type instanceShowOutput struct {
ID string `json:"id"`
Name string `json:"name"`
CreationDate string `json:"creation_date"`
InstanceType string `json:"instance_type"`
Template string `json:"template_id"`
Zone string `json:"zoneid"`
AntiAffinityGroups []string `json:"anti_affinity_groups" outputLabel:"Anti-Affinity Groups"`
SecurityGroups []string `json:"security_groups"`
PrivateNetworks []string `json:"private_networks"`
ElasticIPs []string `json:"elastic_ips" outputLabel:"Elastic IPs"`
IPAddress string `json:"ip_address"`
IPv6Address string `json:"ipv6_address" outputLabel:"IPv6 Address"`
SSHKey string `json:"ssh_key"`
DiskSize string `json:"disk_size"`
State string `json:"state"`
Labels map[string]string `json:"labels"`
}
func (o *instanceShowOutput) Type() string { return "Compute instance" }
func (o *instanceShowOutput) toJSON() { outputJSON(o) }
func (o *instanceShowOutput) toText() { outputText(o) }
func (o *instanceShowOutput) toTable() { outputTable(o) }
type instanceShowCmd struct {
cliCommandSettings `cli-cmd:"-"`
_ bool `cli-cmd:"show"`
Instance string `cli-arg:"#" cli-usage:"NAME|ID"`
ShowUserData bool `cli-flag:"user-data" cli-short:"u" cli-usage:"show instance cloud-init user data configuration"`
Zone string `cli-short:"z" cli-usage:"instance zone"`
}
func (c *instanceShowCmd) cmdAliases() []string { return gShowAlias }
func (c *instanceShowCmd) cmdShort() string { return "Show a Compute instance details" }
func (c *instanceShowCmd) cmdLong() string {
return fmt.Sprintf(`This command shows a Compute instance details.
Supported output template annotations: %s`,
strings.Join(outputterTemplateAnnotations(&instanceShowOutput{}), ", "))
}
func (c *instanceShowCmd) cmdPreRun(cmd *cobra.Command, args []string) error {
cmdSetZoneFlagFromDefault(cmd)
return cliCommandDefaultPreRun(c, cmd, args)
}
func (c *instanceShowCmd) cmdRun(cmd *cobra.Command, _ []string) error {
ctx := exoapi.WithEndpoint(gContext, exoapi.NewReqEndpoint(gCurrentAccount.Environment, c.Zone))
instance, err := cs.FindInstance(ctx, c.Zone, c.Instance)
if err != nil {
return err
}
if c.ShowUserData {
if instance.UserData != nil {
userData, err := decodeUserData(*instance.UserData)
if err != nil {
return fmt.Errorf("error decoding user data: %w", err)
}
cmd.Print(userData)
}
return nil
}
out := instanceShowOutput{
AntiAffinityGroups: make([]string, 0),
CreationDate: instance.CreatedAt.String(),
DiskSize: humanize.IBytes(uint64(*instance.DiskSize << 30)),
ElasticIPs: make([]string, 0),
ID: *instance.ID,
IPAddress: instance.PublicIPAddress.String(),
IPv6Address: func() string {
if instance.IPv6Address != nil {
return instance.IPv6Address.String()
}
return "-"
}(),
Labels: func() (v map[string]string) {
if instance.Labels != nil {
v = *instance.Labels
}
return
}(),
Name: *instance.Name,
PrivateNetworks: make([]string, 0),
SSHKey: defaultString(instance.SSHKey, "-"),
SecurityGroups: make([]string, 0),
State: *instance.State,
Zone: c.Zone,
}
if instance.AntiAffinityGroupIDs != nil {
for _, id := range *instance.AntiAffinityGroupIDs {
antiAffinityGroup, err := cs.GetAntiAffinityGroup(ctx, c.Zone, id)
if err != nil {
return fmt.Errorf("error retrieving Anti-Affinity Group: %w", err)
}
out.AntiAffinityGroups = append(out.AntiAffinityGroups, *antiAffinityGroup.Name)
}
}
if instance.ElasticIPIDs != nil {
for _, id := range *instance.ElasticIPIDs {
elasticIP, err := cs.GetElasticIP(ctx, c.Zone, id)
if err != nil {
return fmt.Errorf("error retrieving Elastic IP: %w", err)
}
out.ElasticIPs = append(out.ElasticIPs, elasticIP.IPAddress.String())
}
}
instanceType, err := cs.GetInstanceType(ctx, c.Zone, *instance.InstanceTypeID)
if err != nil {
return err
}
out.InstanceType = fmt.Sprintf("%s.%s", *instanceType.Family, *instanceType.Size)
if instance.PrivateNetworkIDs != nil {
for _, id := range *instance.PrivateNetworkIDs {
privateNetwork, err := cs.GetPrivateNetwork(ctx, c.Zone, id)
if err != nil {
return fmt.Errorf("error retrieving Private Network: %w", err)
}
out.PrivateNetworks = append(out.PrivateNetworks, *privateNetwork.Name)
}
}
if instance.SecurityGroupIDs != nil {
for _, id := range *instance.SecurityGroupIDs {
securityGroup, err := cs.GetSecurityGroup(ctx, c.Zone, id)
if err != nil {
return fmt.Errorf("error retrieving Security Group: %w", err)
}
out.SecurityGroups = append(out.SecurityGroups, *securityGroup.Name)
}
}
template, err := cs.GetTemplate(ctx, c.Zone, *instance.TemplateID)
if err != nil {
return err
}
out.Template = *template.Name
return c.outputFunc(&out, nil)
}
func init() {
cobra.CheckErr(registerCLICommand(instanceCmd, &instanceShowCmd{
cliCommandSettings: defaultCLICmdSettings(),
}))
}