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client.go
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client.go
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/*
* Copyright 2018-2019, CS Systemes d'Information, http://www.c-s.fr
*
* 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,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package nfs
import (
"fmt"
"github.com/CS-SI/SafeScale/lib/system"
)
// Client defines the structure of a Client object
type Client struct {
// SshConfig contains ssh connection configuration
SSHConfig *system.SSHConfig
}
// NewNFSClient creates a new NFS client instance
func NewNFSClient(sshconfig *system.SSHConfig) (*Client, error) {
if sshconfig == nil {
return nil, fmt.Errorf("invalid parameter: 'sshconfig' cannot be nil")
}
client := &Client{
SSHConfig: sshconfig,
}
return client, nil
}
// Install installs NFS client on remote host
func (c *Client) Install() error {
retcode, stdout, stderr, err := executeScript(*c.SSHConfig, "nfs_client_install.sh", map[string]interface{}{})
return handleExecuteScriptReturn(retcode, stdout, stderr, err, "Error executing script to install NFS client")
}
// Mount defines a mount of a remote share and mount it
func (c *Client) Mount(export string, mountPoint string, withCache bool) error {
data := map[string]interface{}{
"Export": export,
"MountPoint": mountPoint,
"cacheOption": map[bool]string{true: "ac", false: "noac"}[withCache],
}
retcode, stdout, stderr, err := executeScript(*c.SSHConfig, "nfs_client_share_mount.sh", data)
return handleExecuteScriptReturn(retcode, stdout, stderr, err, "Error executing script to mount remote NFS share")
}
// Unmount a nfs share from NFS server
func (c *Client) Unmount(export string) error {
data := map[string]interface{}{
"Export": export,
}
retcode, stdout, stderr, err := executeScript(*c.SSHConfig, "nfs_client_share_unmount.sh", data)
return handleExecuteScriptReturn(retcode, stdout, stderr, err, "Error executing script to unmount remote NFS share")
}