/
qs.go
71 lines (59 loc) · 1.9 KB
/
qs.go
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// Copyright © 2019 Chris Monson <shiblon@gmail.com>
//
// 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 (
"context"
"encoding/json"
"fmt"
"github.com/shiblon/entroq"
"github.com/spf13/cobra"
)
var (
flagQsPrefix []string
flagQsExact []string
flagQsLimit int
)
func init() {
rootCmd.AddCommand(qsCmd)
qsCmd.Flags().StringArrayVarP(&flagQsPrefix, "prefix", "p", nil, "Prefix match, if any. May be specified more than once.")
qsCmd.Flags().StringArrayVarP(&flagQsExact, "queue", "q", nil, "Exact match, if any. May be specified more than once.")
qsCmd.Flags().IntVarP(&flagQsLimit, "limit", "n", 0, "Limit number of queues returned.")
}
// qsCmd represents the qs command
var qsCmd = &cobra.Command{
Use: "qs",
Short: "Return a list of (matching, if specified) queues",
RunE: func(cmd *cobra.Command, args []string) error {
var opts []entroq.QueuesOpt
for _, p := range flagQsPrefix {
opts = append(opts, entroq.MatchPrefix(p))
}
for _, e := range flagQsExact {
opts = append(opts, entroq.MatchExact(e))
}
if lim := flagQsLimit; lim > 0 {
opts = append(opts, entroq.LimitQueues(lim))
}
qs, err := eq.QueueStats(context.Background(), opts...)
if err != nil {
return fmt.Errorf("get queues: %w", err)
}
b, err := json.MarshalIndent(qs, "", "\t")
if err != nil {
return fmt.Errorf("queues json: %w", err)
}
fmt.Println(string(b))
return nil
},
}