forked from cilium/cilium
/
endpoint_get.go
90 lines (79 loc) · 2.63 KB
/
endpoint_get.go
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// Copyright 2017 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 (
"bytes"
"encoding/json"
"fmt"
"os"
endpointApi "github.com/cilium/cilium/api/v1/client/endpoint"
"github.com/cilium/cilium/api/v1/models"
"github.com/cilium/cilium/pkg/api"
"github.com/cilium/cilium/pkg/command"
"github.com/spf13/cobra"
)
var lbls []string
// endpointGetCmd represents the endpoint_get command
var endpointGetCmd = &cobra.Command{
Use: "get ( <endpoint identifier> | -l <endpoint labels> ) ",
Aliases: []string{"inspect, show"},
Short: "Display endpoint information",
Example: "cilium endpoint get 4598, cilium endpoint get pod-name:default:foobar, cilium endpoint get -l id.baz",
Run: func(cmd *cobra.Command, args []string) {
if len(lbls) > 0 && len(args) > 0 {
Usagef(cmd, "Cannot provide both endpoint ID and labels arguments concurrently")
}
var endpointInst []*models.Endpoint
if len(lbls) > 0 {
params := endpointApi.NewGetEndpointParams().WithLabels(lbls).WithTimeout(api.ClientTimeout)
result, err := client.Endpoint.GetEndpoint(params)
if err != nil {
Fatalf("Cannot get endpoints for given list of labels %s: %s\n", lbls, err)
}
endpointInst = result.Payload
} else {
requireEndpointID(cmd, args)
eID := args[0]
result, err := client.EndpointGet(eID)
if err != nil {
Fatalf("Cannot get endpoint %s: %s\n", eID, err)
}
endpointInst = append(endpointInst, result)
}
if command.OutputJSON() {
if err := command.PrintOutput(endpointInst); err != nil {
os.Exit(1)
}
return
} else {
result := bytes.Buffer{}
enc := json.NewEncoder(&result)
enc.SetEscapeHTML(false)
enc.SetIndent("", " ")
if err := enc.Encode(endpointInst); err != nil {
Fatalf("Cannot marshal endpoints %s", err.Error())
}
expandedResult, err := expandNestedJSON(result)
if err != nil {
Fatalf(err.Error())
}
fmt.Println(string(expandedResult.Bytes()))
}
},
}
func init() {
endpointCmd.AddCommand(endpointGetCmd)
endpointGetCmd.Flags().StringSliceVarP(&lbls, "labels", "l", []string{}, "list of labels")
command.AddJSONOutput(endpointGetCmd)
}