added modular packages

pkg/ssh/ssh.go

@@ -0,0 +1,33 @@
+package ssh
+
+import (
+	"errors"
+
+	"github.com/kevinburke/ssh_config"
+)
+
+type SshConfig struct {
+	PrivateKey string
+	Port       uint
+	HostName   string
+	User       string
+}
+
+func GetSSHConfig(host string) (SshConfig, error) {
+	var config SshConfig
+	hostName := ssh_config.Get(host, "HostName")
+	if hostName == "" {
+		return SshConfig{}, errors.New("hostname not found")
+	}
+	config.HostName = hostName
+	privKey, err := ssh_config.GetStrict(host, "IdentityFile")
+	if err != nil {
+		return SshConfig{}, err
+	}
+	config.PrivateKey = privKey
+	User := ssh_config.Get(host, "User")
+	if User == "" {
+		return SshConfig{}, errors.New("user not found")
+	}
+	return config, nil
+}