mirror of
https://github.com/kubesphere/kubekey.git
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76 lines
2.2 KiB
Go
76 lines
2.2 KiB
Go
/*
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Copyright 2023 The KubeSphere Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package connector
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import (
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"context"
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"io"
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"io/fs"
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"os"
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"k8s.io/utils/exec"
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"github.com/kubesphere/kubekey/v4/pkg/variable"
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)
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// Connector is the interface for connecting to a remote host
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type Connector interface {
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// Init initializes the connection
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Init(ctx context.Context) error
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// Close closes the connection
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Close(ctx context.Context) error
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// CopyFile copies a file from local to remote
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CopyFile(ctx context.Context, local []byte, remoteFile string, mode fs.FileMode) error
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// FetchFile copies a file from remote to local
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FetchFile(ctx context.Context, remoteFile string, local io.Writer) error
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// ExecuteCommand executes a command on the remote host
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ExecuteCommand(ctx context.Context, cmd string) ([]byte, error)
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}
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// NewConnector creates a new connector
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func NewConnector(host string, vars variable.VariableData) Connector {
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switch vars["connector"] {
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case "local":
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return &localConnector{Cmd: exec.New()}
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case "ssh":
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if variable.StringVar(vars, "ssh_host") != nil {
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host = *variable.StringVar(vars, "ssh_host")
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}
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return &sshConnector{
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Host: host,
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Port: variable.IntVar(vars, "ssh_port"),
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User: variable.StringVar(vars, "ssh_user"),
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Password: variable.StringVar(vars, "ssh_password"),
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}
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default:
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localHost, _ := os.Hostname()
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if localHost == host {
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return &localConnector{Cmd: exec.New()}
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}
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if variable.StringVar(vars, "ssh_host") != nil {
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host = *variable.StringVar(vars, "ssh_host")
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}
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return &sshConnector{
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Host: host,
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Port: variable.IntVar(vars, "ssh_port"),
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User: variable.StringVar(vars, "ssh_user"),
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Password: variable.StringVar(vars, "ssh_password"),
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}
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}
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}
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