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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/spec"
"github.com/pingcap/tiup/pkg/environment"
"github.com/pingcap/tiup/pkg/repository"
)
// CopyComponent is used to copy all files related the specific version a component
// to the target directory of path
type CopyComponent struct {
component string
os string
arch string
version string
host string
srcPath string
dstDir string
}
// Execute implements the Task interface
func (c *CopyComponent) Execute(ctx context.Context) error {
// If the version is not specified, the last stable one will be used
if c.version == "" {
env := environment.GlobalEnv()
ver, _, err := env.V1Repository().WithOptions(repository.Options{
GOOS: c.os,
GOARCH: c.arch,
}).LatestStableVersion(c.component, false)
if err != nil {
return err
}
c.version = string(ver)
}
// Copy to remote server
srcPath := c.srcPath
if srcPath == "" {
srcPath = spec.PackagePath(c.component, c.version, c.os, c.arch)
}
install := &InstallPackage{
srcPath: srcPath,
host: c.host,
dstDir: c.dstDir,
}
return install.Execute(ctx)
}
// Rollback implements the Task interface
func (c *CopyComponent) Rollback(ctx context.Context) error {
return ErrUnsupportedRollback
}
// String implements the fmt.Stringer interface
func (c *CopyComponent) String() string {
return fmt.Sprintf("CopyComponent: component=%s, version=%s, remote=%s:%s os=%s, arch=%s",
c.component, c.version, c.host, c.dstDir, c.os, c.arch)
}
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