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instance_pool_evict.go
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instance_pool_evict.go
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package cmd
import (
"errors"
"fmt"
exoapi "github.com/exoscale/egoscale/v2/api"
"github.com/spf13/cobra"
)
type instancePoolEvictCmd struct {
cliCommandSettings `cli-cmd:"-"`
_ bool `cli-cmd:"evict"`
InstancePool string `cli-arg:"#" cli-usage:"INSTANCE-POOL-NAME|ID"`
Instances []string `cli-arg:"*" cli-usage:"INSTANCE-NAME|ID"`
Force bool `cli-short:"f" cli-usage:"don't prompt for confirmation"`
Zone string `cli-short:"z" cli-usage:"Instance Pool zone"`
}
func (c *instancePoolEvictCmd) cmdAliases() []string { return nil }
func (c *instancePoolEvictCmd) cmdShort() string { return "Evict Instance Pool members" }
func (c *instancePoolEvictCmd) cmdLong() string {
return `This command evicts specific members from an Instance Pool, effectively
scaling down the Instance Pool similar to the "exo compute instance-pool scale"
command.`
}
func (c *instancePoolEvictCmd) cmdPreRun(cmd *cobra.Command, args []string) error {
cmdSetZoneFlagFromDefault(cmd)
return cliCommandDefaultPreRun(c, cmd, args)
}
func (c *instancePoolEvictCmd) cmdRun(cmd *cobra.Command, _ []string) error {
if len(c.Instances) == 0 {
cmdExitOnUsageError(cmd, "no instances specified")
}
if !c.Force {
if !askQuestion(fmt.Sprintf(
"Are you sure you want to evict %v from Instance Pool %q?",
c.Instances,
c.InstancePool,
)) {
return nil
}
}
ctx := exoapi.WithEndpoint(gContext, exoapi.NewReqEndpoint(gCurrentAccount.Environment, c.Zone))
instancePool, err := cs.FindInstancePool(ctx, c.Zone, c.InstancePool)
if err != nil {
if errors.Is(err, exoapi.ErrNotFound) {
return fmt.Errorf("resource not found in zone %q", c.Zone)
}
return err
}
instances := make([]string, len(c.Instances))
for i, n := range c.Instances {
instance, err := cs.FindInstance(ctx, c.Zone, n)
if err != nil {
return fmt.Errorf("invalid instance %q: %w", n, err)
}
instances[i] = *instance.ID
}
decorateAsyncOperation(
fmt.Sprintf("Evicting instances from Instance Pool %q...", c.InstancePool),
func() { err = cs.EvictInstancePoolMembers(ctx, c.Zone, instancePool, instances) },
)
if err != nil {
return err
}
if !gQuiet {
return (&instancePoolShowCmd{
cliCommandSettings: c.cliCommandSettings,
Zone: c.Zone,
InstancePool: *instancePool.ID,
}).cmdRun(nil, nil)
}
return nil
}
func init() {
cobra.CheckErr(registerCLICommand(instancePoolCmd, &instancePoolEvictCmd{
cliCommandSettings: defaultCLICmdSettings(),
}))
// FIXME: remove this someday.
cobra.CheckErr(registerCLICommand(deprecatedInstancePoolCmd, &instancePoolEvictCmd{
cliCommandSettings: defaultCLICmdSettings(),
}))
}