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metrics.go
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metrics.go
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// Copyright 2023 The ClusterLink Authors.
// 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 subcommand
import (
"fmt"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
"github.com/clusterlink-net/clusterlink/cmd/gwctl/config"
)
// MetricsGetOptions is the command line options for 'get metrics'.
type metricsGetOptions struct {
myID string
}
// MetricsGetCmd - get a policy command.
func MetricsGetCmd() *cobra.Command {
o := metricsGetOptions{}
cmd := &cobra.Command{
Use: "metrics",
Short: "Get metrics from the GW",
Long: "Get Connection-level metrics from the GW." +
"This is a test command, Ideally metrics have to be scraped from prometheus endpoint provided",
RunE: func(cmd *cobra.Command, args []string) error {
return o.run()
},
}
o.addFlags(cmd.Flags())
return cmd
}
// addFlags registers flags for the CLI.
func (o *metricsGetOptions) addFlags(fs *pflag.FlagSet) {
fs.StringVar(&o.myID, "myid", "", "gwctl ID")
}
// run performs the execution of the 'delete policy' subcommand.
func (o *metricsGetOptions) run() error {
m, err := config.GetClientFromID(o.myID)
if err != nil {
return err
}
metrics, err := m.GetMetrics()
if err != nil {
fmt.Printf("Unable to get metrics %v\n", err)
} else {
fmt.Printf("Metrics\n")
for i := range metrics {
fmt.Printf("%v\n", metrics[i])
}
}
return nil
}