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kops
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Implement completion for "kops get instancegroups"

This commit is contained in:
John Gardiner Myers 2021-07-22 13:28:26 -07:00
parent a8aa6a9a68
commit 337377c163
4 changed files with 40 additions and 39 deletions
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3
cmd/kops/get_cluster.go
View File

@ -20,7 +20,6 @@ import (
"context"
"fmt"
"io"
"os"
"strings"
"github.com/spf13/cobra"
@ -109,7 +108,7 @@ func NewCmdGetCluster(f *util.Factory, out io.Writer, getOptions *GetOptions) *c
},
ValidArgsFunction: commandutils.CompleteClusterName(&rootCommand, false, true),
RunE: func(cmd *cobra.Command, args []string) error {
return RunGetClusters(context.TODO(), &rootCommand, os.Stdout, &options)
return RunGetClusters(context.TODO(), &rootCommand, out, &options)
},
}

60
cmd/kops/get_instancegroups.go
View File

@ -20,7 +20,6 @@ import (
"context"
"fmt"
"io"
"os"
"strconv"
"github.com/spf13/cobra"
@ -28,6 +27,7 @@ import (
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/kops/cmd/kops/util"
api "k8s.io/kops/pkg/apis/kops"
"k8s.io/kops/pkg/commands/commandutils"
"k8s.io/kops/pkg/formatter"
"k8s.io/kops/util/pkg/tables"
"k8s.io/kubectl/pkg/util/i18n"
@ -36,24 +36,25 @@ import (
var (
getInstancegroupsLong = templates.LongDesc(i18n.T(`
Display one or many instancegroup resources.`))
Display one or many instance group resources.`))
getInstancegroupsExample = templates.Examples(i18n.T(`
# Get all instancegroups in a state store
kops get ig
# Get all instance groups in a state store
kops get instancegroups
# Get a cluster's instancegroup
kops get ig --name k8s-cluster.example.com nodes
kops get instancegroups --name k8s-cluster.example.com nodes
# Save a cluster's instancegroups desired configuration to YAML file
kops get ig --name k8s-cluster.example.com -o yaml > instancegroups-desired-config.yaml
kops get instancegroups --name k8s-cluster.example.com -o yaml > instancegroups-desired-config.yaml
`))
getInstancegroupsShort = i18n.T(`Get one or many instancegroups`)
getInstancegroupsShort = i18n.T(`Get one or many instance groups.`)
)
type GetInstanceGroupsOptions struct {
*GetOptions
InstanceGroupNames []string
}
func NewCmdGetInstanceGroups(f *util.Factory, out io.Writer, getOptions *GetOptions) *cobra.Command {
@ -62,43 +63,44 @@ func NewCmdGetInstanceGroups(f *util.Factory, out io.Writer, getOptions *GetOpti
}
cmd := &cobra.Command{
Use: "instancegroups",
Use: "instancegroups [INSTANCE_GROUP]...",
Aliases: []string{"instancegroup", "ig"},
Short: getInstancegroupsShort,
Long: getInstancegroupsLong,
Example: getInstancegroupsExample,
Run: func(cmd *cobra.Command, args []string) {
ctx := context.TODO()
err := RunGetInstanceGroups(ctx, &options, args)
if err != nil {
exitWithError(err)
Args: func(cmd *cobra.Command, args []string) error {
options.ClusterName = rootCommand.ClusterName(true)
if options.ClusterName == "" {
return fmt.Errorf("--name is required")
}
options.InstanceGroupNames = args
return nil
},
ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
return completeInstanceGroup(&args, nil)(cmd, nil, toComplete)
},
RunE: func(cmd *cobra.Command, args []string) error {
return RunGetInstanceGroups(context.TODO(), &rootCommand, out, &options)
},
}
return cmd
}
func RunGetInstanceGroups(ctx context.Context, options *GetInstanceGroupsOptions, args []string) error {
out := os.Stdout
clusterName := rootCommand.ClusterName(true)
if clusterName == "" {
return fmt.Errorf("--name is required")
}
clientset, err := rootCommand.Clientset()
func RunGetInstanceGroups(ctx context.Context, f commandutils.Factory, out io.Writer, options *GetInstanceGroupsOptions) error {
clientset, err := f.Clientset()
if err != nil {
return err
}
cluster, err := clientset.GetCluster(ctx, clusterName)
cluster, err := clientset.GetCluster(ctx, options.ClusterName)
if err != nil {
return fmt.Errorf("error fetching cluster %q: %v", clusterName, err)
return fmt.Errorf("error fetching cluster %q: %v", options.ClusterName, err)
}
if cluster == nil {
return fmt.Errorf("cluster %q was not found", clusterName)
return fmt.Errorf("cluster %q was not found", options.ClusterName)
}
list, err := clientset.InstanceGroupsFor(cluster).List(ctx, metav1.ListOptions{})
@ -106,13 +108,13 @@ func RunGetInstanceGroups(ctx context.Context, options *GetInstanceGroupsOptions
return err
}
instancegroups, err := filterInstanceGroupsByName(args, list.Items)
instancegroups, err := filterInstanceGroupsByName(options.InstanceGroupNames, list.Items)
if err != nil {
return err
}
if len(instancegroups) == 0 {
return fmt.Errorf("No InstanceGroup objects found")
return fmt.Errorf("no InstanceGroup objects found")
}
var obj []runtime.Object
@ -130,7 +132,7 @@ func RunGetInstanceGroups(ctx context.Context, options *GetInstanceGroupsOptions
case OutputJSON:
return fullOutputJSON(out, obj...)
default:
return fmt.Errorf("Unknown output format: %q", options.Output)
return fmt.Errorf("unknown output format: %q", options.Output)
}
}
@ -181,7 +183,7 @@ func igOutputTable(cluster *api.Cluster, instancegroups []*api.InstanceGroup, ou
return int32PointerToString(c.Spec.MaxSize)
})
// SUBNETS is not selected by default - not as useful as ZONES
return t.Render(instancegroups, os.Stdout, "NAME", "ROLE", "MACHINETYPE", "MIN", "MAX", "ZONES")
return t.Render(instancegroups, out, "NAME", "ROLE", "MACHINETYPE", "MIN", "MAX", "ZONES")
}
func int32PointerToString(v *int32) string {

2
docs/cli/kops_get.md generated
View File

@ -63,7 +63,7 @@ kops get [flags]
* [kops](kops.md) - kOps is Kubernetes Operations.
* [kops get assets](kops_get_assets.md) - Display assets for cluster.
* [kops get clusters](kops_get_clusters.md) - Get one or many clusters.
* [kops get instancegroups](kops_get_instancegroups.md) - Get one or many instancegroups
* [kops get instancegroups](kops_get_instancegroups.md) - Get one or many instance groups.
* [kops get instances](kops_get_instances.md) - Display cluster instances.
* [kops get keypairs](kops_get_keypairs.md) - Get one or many keypairs.
* [kops get secrets](kops_get_secrets.md) - Get one or many secrets.

14
docs/cli/kops_get_instancegroups.md generated
View File

@ -3,27 +3,27 @@
## kops get instancegroups
Get one or many instancegroups
Get one or many instance groups.
### Synopsis
Display one or many instancegroup resources.
Display one or many instance group resources.
```
kops get instancegroups [flags]
kops get instancegroups [INSTANCE_GROUP]... [flags]
```
### Examples
```
# Get all instancegroups in a state store
kops get ig
# Get all instance groups in a state store
kops get instancegroups
# Get a cluster's instancegroup
kops get ig --name k8s-cluster.example.com nodes
kops get instancegroups --name k8s-cluster.example.com nodes
# Save a cluster's instancegroups desired configuration to YAML file
kops get ig --name k8s-cluster.example.com -o yaml > instancegroups-desired-config.yaml
kops get instancegroups --name k8s-cluster.example.com -o yaml > instancegroups-desired-config.yaml
```
### Options