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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/tiup/pkg/cluster/ctxt"
"github.com/pingcap/tiup/pkg/cluster/spec"
"github.com/pingcap/tiup/pkg/meta"
"github.com/pingcap/tiup/pkg/utils"
)
// ScaleConfig is used to copy all configurations to the target directory of path
type ScaleConfig struct {
specManager *spec.SpecManager
clusterName string
clusterVersion string
instance spec.Instance
base spec.Topology
deployUser string
paths meta.DirPaths
}
// Execute implements the Task interface
func (c *ScaleConfig) Execute(ctx context.Context) error {
// Copy to remote server
exec, found := ctxt.GetInner(ctx).GetExecutor(c.instance.GetManageHost())
if !found {
return ErrNoExecutor
}
c.paths.Cache = c.specManager.Path(c.clusterName, spec.TempConfigPath)
if err := utils.MkdirAll(c.paths.Cache, 0755); err != nil {
return err
}
return c.instance.ScaleConfig(ctx, exec, c.base, c.clusterName, c.clusterVersion, c.deployUser, c.paths)
}
// Rollback implements the Task interface
func (c *ScaleConfig) Rollback(ctx context.Context) error {
return ErrUnsupportedRollback
}
// String implements the fmt.Stringer interface
func (c *ScaleConfig) String() string {
return fmt.Sprintf("ScaleConfig: cluster=%s, user=%s, host=%s, service=%s, %s",
c.clusterName, c.deployUser, c.instance.GetManageHost(), c.instance.ServiceName(), c.paths)
}
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