added sftp feature

i have the program reaching out to the remote machine and creating
the archive. however, it doesn't acutally grab the file and the
program creates an empty archive.

.gitignore

@@ -1,2 +1,3 @@
 config.yaml
 .vscode/
+vendor/

Gopkg.lock

@@ -1,6 +1,30 @@
 # This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
 
 
+[[projects]]
+  digest = "1:9cedee824c21326bd26950bd9e1ffe9dc4e7ca03dc8634d0e6f954ee6a383172"
+  name = "github.com/kr/fs"
+  packages = ["."]
+  pruneopts = "UT"
+  revision = "1455def202f6e05b95cc7bfc7e8ae67ae5141eba"
+  version = "v0.1.0"
+
+[[projects]]
+  digest = "1:cf31692c14422fa27c83a05292eb5cbe0fb2775972e8f1f8446a71549bd8980b"
+  name = "github.com/pkg/errors"
+  packages = ["."]
+  pruneopts = "UT"
+  revision = "ba968bfe8b2f7e042a574c888954fccecfa385b4"
+  version = "v0.8.1"
+
+[[projects]]
+  digest = "1:6c187bc42f50a341b0dd25da7f5bcf84b4bbffa7193b92f3c983c1a9803a447a"
+  name = "github.com/pkg/sftp"
+  packages = ["."]
+  pruneopts = "UT"
+  revision = "a713b07e6d90e1831d7fefcb69f1310edb3783ae"
+  version = "v1.10.0"
+
 [[projects]]
   branch = "master"
   digest = "1:ffebede762b00a7ffe84ef08efc4f4e87823b5298b4fd477313579f553db0c6a"
@@ -37,6 +61,7 @@
   analyzer-name = "dep"
   analyzer-version = 1
   input-imports = [
+    "github.com/pkg/sftp",
     "golang.org/x/crypto/ssh",
     "gopkg.in/yaml.v2",
   ]

config.go

@@ -9,7 +9,7 @@ import (
 type Configuration struct {
 	Username string
 	Password string
-	Port     string
+	Port     int
 	Hosts    []string
 }
 

main.go

@@ -6,7 +6,7 @@ func main() {
 	config := initializeConfig("config.yaml")
 	sshConn, sshConfig := initializeConnection(config)
 	clientConns := sshConn.dialConnection(sshConfig)
-	clientSessions := sshConn.openSession(clientConns)
-	success := sshConn.executeTarFile(clientSessions)
+	_ = sshConn.openSession(clientConns)
+	success := sshConn.executeSFTP(clientConns)
 	fmt.Println(success)
 }

sftp.go

@@ -0,0 +1,50 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/pkg/sftp"
+	"golang.org/x/crypto/ssh"
+)
+
+var (
+	dstPath  string = "/root/"
+	srcPath  string = "/var/log/"
+	filename string = "dmesg"
+)
+
+func getFile(client *ssh.Client) {
+	t := time.Now()
+	sftp, err := sftp.NewClient(client)
+
+	if err != nil {
+		fmt.Errorf("FUCK")
+	}
+
+	defer sftp.Close()
+
+	srcFile, err := sftp.Open(srcPath + filename)
+
+	if err != nil {
+		fmt.Errorf("FUCK")
+	}
+
+	defer srcFile.Close()
+
+	timeResult := timeToString(t)
+	dstFile, err := os.Create(dstPath + filename + timeResult)
+
+	if err != nil {
+		fmt.Errorf("FUCK")
+	}
+
+	defer dstFile.Close()
+
+	srcFile.WriteTo(dstFile)
+}
+
+func timeToString(currentTime time.Time) string {
+	return currentTime.String()
+}

ssh.go

@@ -15,11 +15,11 @@ import (
 type SSHConnection struct {
 	Username string
 	Password string
-	Port     string
+	Port     int
 	Hosts    []string
 }
 
-type SSHCleints []*ssh.Client
+type SSHClients []*ssh.Client
 
 // TODO: I've got two slices of the same type. To take one slice out, some refactoring is needed
 type SSHSessions []*ssh.Session
@@ -28,6 +28,8 @@ type SSHTarFile []*ssh.Session
 
 type SSHPush []*ssh.Client
 
+type SSHSFTP []string
+
 type SSHSuccess []error
 
 func initializeConnection(config Configuration) (*SSHConnection, *ssh.ClientConfig) {
@@ -53,8 +55,8 @@ func (s SSHConnection) getHostKeys() ssh.HostKeyCallback {
 	return ssh.InsecureIgnoreHostKey()
 }
 
-func (s SSHConnection) dialConnection(sshConfig *ssh.ClientConfig) SSHCleints {
-	clientConn := SSHCleints{}
+func (s SSHConnection) dialConnection(sshConfig *ssh.ClientConfig) SSHClients {
+	clientConn := SSHClients{}
 
 	for _, j := range s.Hosts {
 		hostPort := fmt.Sprintf("%s:22", j)
@@ -70,7 +72,7 @@ func (s SSHConnection) dialConnection(sshConfig *ssh.ClientConfig) SSHCleints {
 	return clientConn
 }
 
-func (s SSHConnection) openSession(client SSHCleints) SSHSessions {
+func (s SSHConnection) openSession(client SSHClients) SSHSessions {
 	clientSessions := SSHSessions{}
 
 	for _, j := range client {
@@ -86,20 +88,25 @@ func (s SSHConnection) openSession(client SSHCleints) SSHSessions {
 	return clientSessions
 }
 
-func (s SSHConnection) executeTarFile(execute SSHSessions) SSHSuccess {
+func (s SSHConnection) executeSFTP(execute SSHClients) SSHSFTP {
 	// execute order 66 lol
-	success := SSHSuccess{}
+	sftp := SSHSFTP{}
 
 	for _, j := range execute {
 		// TODO: this is just a placeholder, change to the actual tarring executable
-		err := j.Run("echo 'hello world' > test.txt")
+		getFile(j)
+
+		err := gzipit("/root/"+filename, ".")
 
 		if err != nil {
-			fmt.Errorf("Can't execute program", err)
+			fmt.Errorf("Cannot gzip file(s)", err)
 		}
 
-		success = append(success, err)
 	}
 
-	return success
+	return sftp
+}
+
+func (s SSHConnection) gzipItUp() {
+	// TODO: placeholder function??
 }