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instance_pool_list.go
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/
instance_pool_list.go
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package cmd
import (
"fmt"
"os"
"strings"
exoapi "github.com/exoscale/egoscale/v2/api"
"github.com/spf13/cobra"
)
type instancePoolListItemOutput struct {
ID string `json:"id"`
Name string `json:"name"`
Zone string `json:"zone"`
Size int64 `json:"size"`
State string `json:"state"`
}
type instancePoolListOutput []instancePoolListItemOutput
func (o *instancePoolListOutput) toJSON() { outputJSON(o) }
func (o *instancePoolListOutput) toText() { outputText(o) }
func (o *instancePoolListOutput) toTable() { outputTable(o) }
type instancePoolListCmd struct {
cliCommandSettings `cli-cmd:"-"`
_ bool `cli-cmd:"list"`
Zone string `cli-short:"z" cli-usage:"zone to filter results to"`
}
func (c *instancePoolListCmd) cmdAliases() []string { return gListAlias }
func (c *instancePoolListCmd) cmdShort() string { return "List Instance Pools" }
func (c *instancePoolListCmd) cmdLong() string {
return fmt.Sprintf(`This command lists Instance Pools.
Supported output template annotations: %s`,
strings.Join(outputterTemplateAnnotations(&instancePoolListItemOutput{}), ", "))
}
func (c *instancePoolListCmd) cmdPreRun(cmd *cobra.Command, args []string) error {
return cliCommandDefaultPreRun(c, cmd, args)
}
func (c *instancePoolListCmd) cmdRun(_ *cobra.Command, _ []string) error {
var zones []string
if c.Zone != "" {
zones = []string{c.Zone}
} else {
zones = allZones
}
out := make(instancePoolListOutput, 0)
res := make(chan instancePoolListItemOutput)
done := make(chan struct{})
go func() {
for instancePool := range res {
out = append(out, instancePool)
}
done <- struct{}{}
}()
err := forEachZone(zones, func(zone string) error {
ctx := exoapi.WithEndpoint(gContext, exoapi.NewReqEndpoint(gCurrentAccount.Environment, zone))
list, err := cs.ListInstancePools(ctx, zone)
if err != nil {
return fmt.Errorf("unable to list Instance Pools in zone %s: %w", zone, err)
}
for _, i := range list {
res <- instancePoolListItemOutput{
ID: *i.ID,
Name: *i.Name,
Zone: zone,
Size: *i.Size,
State: *i.State,
}
}
return nil
})
if err != nil {
_, _ = fmt.Fprintf(os.Stderr,
"warning: errors during listing, results might be incomplete.\n%s\n", err) // nolint:golint
}
close(res)
<-done
return c.outputFunc(&out, nil)
}
func init() {
cobra.CheckErr(registerCLICommand(instancePoolCmd, &instancePoolListCmd{
cliCommandSettings: defaultCLICmdSettings(),
}))
// FIXME: remove this someday.
cobra.CheckErr(registerCLICommand(deprecatedInstancePoolCmd, &instancePoolListCmd{
cliCommandSettings: defaultCLICmdSettings(),
}))
}