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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"
"crypto/tls"
"fmt"
"github.com/pingcap/errors"
operator "github.com/pingcap/tiup/pkg/cluster/operation"
"github.com/pingcap/tiup/pkg/cluster/spec"
)
// ClusterOperate represents the cluster operation task.
type ClusterOperate struct {
spec *spec.Specification
op operator.Operation
options operator.Options
tlsCfg *tls.Config
}
// Execute implements the Task interface
func (c *ClusterOperate) Execute(ctx context.Context) error {
var (
err error
)
var opErrMsg = [...]string{
"failed to start",
"failed to stop",
"failed to restart",
"failed to destroy",
"failed to upgrade",
"failed to scale in",
"failed to scale out",
"failed to destroy tombstone",
}
switch c.op {
case operator.ScaleInOperation:
err = operator.ScaleIn(ctx, c.spec, c.options, c.tlsCfg)
// printStatus = false
case operator.DestroyTombstoneOperation:
_, err = operator.DestroyTombstone(ctx, c.spec, false, c.options, c.tlsCfg)
default:
return errors.Errorf("nonsupport %s", c.op)
}
if err != nil {
return errors.Annotatef(err, "%s", opErrMsg[c.op])
}
return nil
}
// Rollback implements the Task interface
func (c *ClusterOperate) Rollback(ctx context.Context) error {
return ErrUnsupportedRollback
}
// String implements the fmt.Stringer interface
func (c *ClusterOperate) String() string {
return fmt.Sprintf("ClusterOperate: operation=%s, options=%+v", c.op, c.options)
}
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