DO-47/Tavro_pipeline (#1)

Add first classes
Co-authored-by: aleksandr.vodyanov <aleksandr.vodyanov@avroid.tech>
Co-committed-by: aleksandr.vodyanov <aleksandr.vodyanov@avroid.tech>

src/tech/avroid/ssh/Ssh.groovy

@@ -0,0 +1,46 @@
+package tech.avroid.ssh
+
+/**
+ * Class for work with SSH client
+ */
+class Ssh implements Serializable {
+
+    private Script script
+	private String sshKey
+	private String fileSshKey
+
+    Ssh(Script script, String sshKey, String fileSshKey) {
+        this.script = script
+		this.fileSshKey = fileSshKey
+		this.sshKey = sshKey
+    }
+
+    /**
+     * Add file with private Ssh key and create ssh config with disable "StrictHostKeyChecking" for all hosts
+     * @param sshKey          String  - Variable with private SSH key 
+     * @param fileSshKey      String  - name of file private SSH key's in catalog ~/.ssh
+     */
+    public void configureSshClient() {
+        script.println 'Configure SSH-client with private key for current user'
+        script.sh """
+            [ -d ~/.ssh ] || mkdir ~/.ssh && chmod 0700 ~/.ssh
+            cat $sshKey > ~/.ssh/$fileSshKey
+            chmod 600 ~/.ssh/$fileSshKey
+            echo 'Host *' > ~/.ssh/config
+            echo '    StrictHostKeyChecking no' >>  ~/.ssh/config
+            echo '    UserKnownHostsFile=/dev/null' >>  ~/.ssh/config
+        """
+    }
+
+    /**
+     * Remove file with private Ssh Key and ssh config
+     * @param fileSshKey      String  - name of file private SSH key's in catalog ~/.ssh
+     */
+    public void cleanupSshConfiguration() {
+        script.println 'Unconfigure SSH-client with private key for current user'
+        script.sh """
+            rm -f ~/.ssh/$fileSshKey
+            rm -f ~/.ssh/config
+        """
+    }
+}