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nlb_service_show.go
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nlb_service_show.go
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package cmd
import (
"errors"
"fmt"
"os"
"strings"
"time"
"github.com/exoscale/cli/table"
egoscale "github.com/exoscale/egoscale/v2"
exoapi "github.com/exoscale/egoscale/v2/api"
"github.com/spf13/cobra"
)
type nlbServerStatusShowOutput struct {
InstanceIP string `json:"instance_ip"`
Status string `json:"status"`
}
type nlbServiceHealthcheckShowOutput struct {
Mode string `json:"mode"`
Port uint16 `json:"port"`
Interval time.Duration `json:"interval"`
Timeout time.Duration `json:"timeout"`
Retries int64 `json:"retries"`
URI string `json:"uri"`
TLSSNI string `json:"tls_sni"`
}
type nlbServiceShowOutput struct {
ID string `json:"id"`
Name string `json:"name"`
Description string `json:"description"`
InstancePoolID string `json:"instance_pool_id"`
Protocol string `json:"protocol"`
Port uint16 `json:"port"`
TargetPort uint16 `json:"target_port"`
Strategy string `json:"strategy"`
Healthcheck nlbServiceHealthcheckShowOutput `json:"healthcheck"`
HealthcheckStatus []nlbServerStatusShowOutput `json:"healthcheck_status"`
State string `json:"state"`
}
func (o *nlbServiceShowOutput) toJSON() { outputJSON(o) }
func (o *nlbServiceShowOutput) toText() { outputText(o) }
func (o *nlbServiceShowOutput) toTable() {
t := table.NewTable(os.Stdout)
t.SetHeader([]string{"NLB Service"})
defer t.Render()
t.Append([]string{"ID", o.ID})
t.Append([]string{"Name", o.Name})
t.Append([]string{"Description", o.Description})
t.Append([]string{"Instance Pool ID", o.InstancePoolID})
t.Append([]string{"Protocol", o.Protocol})
t.Append([]string{"Port", fmt.Sprint(o.Port)})
t.Append([]string{"Target Port", fmt.Sprint(o.TargetPort)})
t.Append([]string{"Strategy", o.Strategy})
t.Append([]string{"Healthcheck Mode", o.Healthcheck.Mode})
t.Append([]string{"Healthcheck Port", fmt.Sprint(o.Healthcheck.Port)})
if strings.HasPrefix(o.Healthcheck.Mode, "http") {
t.Append([]string{"Healthcheck URI", o.Healthcheck.URI})
}
t.Append([]string{"Healthcheck Interval", fmt.Sprint(o.Healthcheck.Interval)})
t.Append([]string{"Healthcheck Timeout", fmt.Sprint(o.Healthcheck.Timeout)})
t.Append([]string{"Healthcheck Retries", fmt.Sprint(o.Healthcheck.Retries)})
if o.Healthcheck.Mode == "https" {
t.Append([]string{"Healthcheck TLS SNI", fmt.Sprint(o.Healthcheck.TLSSNI)})
}
t.Append([]string{"Healthcheck Status", func() string {
if len(o.HealthcheckStatus) > 0 {
return strings.Join(
func() []string {
statuses := make([]string, len(o.HealthcheckStatus))
for i := range o.HealthcheckStatus {
statuses[i] = fmt.Sprintf("%s | %s",
o.HealthcheckStatus[i].InstanceIP,
o.HealthcheckStatus[i].Status)
}
return statuses
}(),
"\n")
}
return "n/a"
}()})
t.Append([]string{"State", o.State})
}
type nlbServiceShowCmd struct {
cliCommandSettings `cli-cmd:"-"`
_ bool `cli-cmd:"show"`
NetworkLoadBalancer string `cli-arg:"#" cli-usage:"LOAD-BALANCER-NAME|ID"`
Service string `cli-arg:"#" cli-usage:"SERVICE-NAME|ID"`
Zone string `cli-short:"z" cli-usage:"Network Load Balancer zone"`
}
func (c *nlbServiceShowCmd) cmdAliases() []string { return gShowAlias }
func (c *nlbServiceShowCmd) cmdShort() string { return "Show a Network Load Balancer service details" }
func (c *nlbServiceShowCmd) cmdLong() string {
return fmt.Sprintf(`This command shows a Network Load Balancer service details.
Supported output template annotations: %s`,
strings.Join(outputterTemplateAnnotations(&nlbServiceShowOutput{}), ", "))
}
func (c *nlbServiceShowCmd) cmdPreRun(cmd *cobra.Command, args []string) error {
cmdSetZoneFlagFromDefault(cmd)
return cliCommandDefaultPreRun(c, cmd, args)
}
func (c *nlbServiceShowCmd) cmdRun(_ *cobra.Command, _ []string) error {
var svc *egoscale.NetworkLoadBalancerService
ctx := exoapi.WithEndpoint(gContext, exoapi.NewReqEndpoint(gCurrentAccount.Environment, c.Zone))
nlb, err := cs.FindNetworkLoadBalancer(ctx, c.Zone, c.NetworkLoadBalancer)
if err != nil {
return err
}
for _, s := range nlb.Services {
if *s.ID == c.Service || *s.Name == c.Service {
svc = s
break
}
}
if svc == nil {
return errors.New("service not found")
}
out := nlbServiceShowOutput{
ID: *svc.ID,
Name: *svc.Name,
Description: defaultString(svc.Description, ""),
InstancePoolID: *svc.InstancePoolID,
Protocol: *svc.Protocol,
Port: *svc.Port,
TargetPort: *svc.TargetPort,
Strategy: *svc.Strategy,
State: *svc.State,
Healthcheck: nlbServiceHealthcheckShowOutput{
Mode: *svc.Healthcheck.Mode,
Port: *svc.Healthcheck.Port,
Interval: *svc.Healthcheck.Interval,
Timeout: *svc.Healthcheck.Timeout,
Retries: *svc.Healthcheck.Retries,
URI: defaultString(svc.Healthcheck.URI, ""),
TLSSNI: defaultString(svc.Healthcheck.TLSSNI, ""),
},
HealthcheckStatus: func() []nlbServerStatusShowOutput {
statuses := make([]nlbServerStatusShowOutput, len(svc.HealthcheckStatus))
for i, st := range svc.HealthcheckStatus {
statuses[i] = nlbServerStatusShowOutput{
InstanceIP: st.InstanceIP.String(),
Status: *st.Status,
}
}
return statuses
}(),
}
return c.outputFunc(&out, nil)
}
func init() {
cobra.CheckErr(registerCLICommand(nlbServiceCmd, &nlbServiceShowCmd{
cliCommandSettings: defaultCLICmdSettings(),
}))
}