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// Copyright 2020 PingCAP, Inc.
//
// 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,
// See the License for the specific language governing permissions and
// limitations under the License.
package task
import (
"context"
"fmt"
"github.com/pingcap/errors"
"github.com/pingcap/tiup/pkg/cluster/ctxt"
"github.com/pingcap/tiup/pkg/cluster/module"
)
// SystemCtl run systemctl command on host
type SystemCtl struct {
host string
unit string
action string
daemonReload bool
checkactive bool
scope string
}
// Execute implements the Task interface
func (c *SystemCtl) Execute(ctx context.Context) error {
e, ok := ctxt.GetInner(ctx).GetExecutor(c.host)
if !ok {
return ErrNoExecutor
}
cfg := module.SystemdModuleConfig{
Unit: c.unit,
Action: c.action,
ReloadDaemon: c.daemonReload,
CheckActive: c.checkactive,
Scope: c.scope,
}
systemd := module.NewSystemdModule(cfg)
stdout, stderr, err := systemd.Execute(ctx, e)
ctxt.GetInner(ctx).SetOutputs(c.host, stdout, stderr)
if err != nil {
return errors.Annotatef(err, "stdout: %s, stderr:%s", string(stdout), string(stderr))
}
return nil
}
// Rollback implements the Task interface
func (c *SystemCtl) Rollback(ctx context.Context) error {
return ErrUnsupportedRollback
}
// String implements the fmt.Stringer interface
func (c *SystemCtl) String() string {
return fmt.Sprintf("SystemCtl: host=%s action=%s %s", c.host, c.action, c.unit)
}
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