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action.go
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action.go
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// Copyright 2014 Wandoujia Inc. All Rights Reserved.
// Licensed under the MIT (MIT-LICENSE.txt) license.
package main
import (
"fmt"
"strconv"
"github.com/docopt/docopt-go"
"github.com/wandoulabs/codis/pkg/utils/errors"
"github.com/wandoulabs/codis/pkg/utils/log"
)
func cmdAction(argv []string) (err error) {
usage := `usage: codis-config action (gc [-n <num> | -s <seconds>] | remove-lock | remove-fence)
options:
gc:
gc -n N keep last N actions;
gc -s Sec keep last Sec seconds actions;
remove-lock force remove zookeeper lock;
`
args, err := docopt.Parse(usage, argv, true, "", false)
if err != nil {
log.ErrorErrorf(err, "parse args failed")
return errors.Trace(err)
}
log.Debugf("parse args = {%+v}", args)
if args["remove-lock"].(bool) {
return errors.Trace(runRemoveLock())
}
if args["remove-fence"].(bool) {
return errors.Trace(runRemoveFence())
}
if args["gc"].(bool) {
if args["-n"].(bool) {
n, err := strconv.Atoi(args["<num>"].(string))
if err != nil {
log.ErrorErrorf(err, "parse <num> failed")
return err
}
return runGCKeepN(n)
} else if args["-s"].(bool) {
sec, err := strconv.Atoi(args["<seconds>"].(string))
if err != nil {
log.ErrorErrorf(err, "parse <seconds> failed")
return errors.Trace(err)
}
return runGCKeepNSec(sec)
}
}
return nil
}
func runRemoveFence() error {
var v interface{}
if err := callApi(METHOD_GET, "/api/remove_fence", nil, &v); err != nil {
return err
}
fmt.Println(jsonify(v))
return nil
}
func runGCKeepN(keep int) error {
var v interface{}
if err := callApi(METHOD_GET, fmt.Sprintf("/api/action/gc?keep=%d", keep), nil, &v); err != nil {
return err
}
fmt.Println(jsonify(v))
return nil
}
func runGCKeepNSec(secs int) error {
var v interface{}
if err := callApi(METHOD_GET, fmt.Sprintf("/api/action/gc?secs=%d", secs), nil, &v); err != nil {
return err
}
fmt.Println(jsonify(v))
return nil
}
func runRemoveLock() error {
var v interface{}
if err := callApi(METHOD_GET, "/api/force_remove_locks", nil, &v); err != nil {
return err
}
fmt.Println(jsonify(v))
return nil
}