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identity_list.go
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/
identity_list.go
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// Copyright 2017-2018 Authors of Cilium
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cmd
import (
"fmt"
"os"
"sort"
"text/tabwriter"
identityApi "github.com/cilium/cilium/api/v1/client/policy"
"github.com/cilium/cilium/api/v1/models"
"github.com/cilium/cilium/pkg/api"
pkg "github.com/cilium/cilium/pkg/client"
"github.com/cilium/cilium/pkg/command"
"github.com/cilium/cilium/pkg/identity/cache"
"github.com/cilium/cilium/pkg/identity/identitymanager"
"github.com/cilium/cilium/pkg/labels"
"github.com/spf13/viper"
"github.com/spf13/cobra"
)
// identityListCmd represents the identity_list command
var identityListCmd = &cobra.Command{
Use: "list [LABELS]",
Aliases: []string{"ls"},
Short: "List identities",
Run: func(cmd *cobra.Command, args []string) {
listIdentities(args)
},
}
func init() {
identityCmd.AddCommand(identityListCmd)
command.AddJSONOutput(identityListCmd)
flags := identityListCmd.Flags()
flags.Bool("endpoints", false, "list identities of locally managed endpoints")
viper.BindPFlags(flags)
}
func listIdentities(args []string) {
switch {
case viper.GetBool("endpoints"):
params := identityApi.NewGetIdentityEndpointsParams().WithTimeout(api.ClientTimeout)
identities, err := client.Policy.GetIdentityEndpoints(params)
if err != nil {
Fatalf("Cannot get identities. err: %s", pkg.Hint(err))
}
// sort identities by ID
im := identitymanager.IdentitiesModel(identities.Payload)
sort.Slice(im, im.Less)
printIdentitesEndpoints(identities.Payload)
default:
params := identityApi.NewGetIdentityParams().WithTimeout(api.ClientTimeout)
if len(args) != 0 {
params = params.WithLabels(args)
}
identities, err := client.Policy.GetIdentity(params)
if err != nil {
if params != nil {
Fatalf("Cannot get identities for given labels %v. err: %s\n", params.Labels, err.Error())
} else {
Fatalf("Cannot get identities. err: %s", pkg.Hint(err))
}
}
// sort identities by ID
im := cache.IdentitiesModel(identities.Payload)
sort.Slice(im, im.Less)
printIdentities(identities.Payload)
}
}
func printIdentitesEndpoints(identities []*models.IdentityEndpoints) {
if command.OutputJSON() {
if err := command.PrintOutput(identities); err != nil {
Fatalf("Unable to provide JSON output: %s", err)
}
} else {
w := tabwriter.NewWriter(os.Stdout, 5, 0, 3, ' ', 0)
fmt.Fprintf(w, "ID\tLABELS\tREFCOUNT\n")
for _, identity := range identities {
lbls := labels.NewLabelsFromModel(identity.Identity.Labels)
first := true
for _, lbl := range lbls.GetPrintableModel() {
if first {
fmt.Fprintf(w, "%d\t%s\t%d\t\n", identity.Identity.ID, lbl, identity.RefCount)
first = false
} else {
fmt.Fprintf(w, "\t%s\t\n", lbl)
}
}
}
w.Flush()
}
}