import org.jenkinsci.plugins.jsch.JSchConnector
import java.io.InputStream
import com.jcraft.jsch.JSch
import com.jcraft.jsch.Session
import com.jcraft.jsch.LocalIdentityRepository
import com.jcraft.jsch.Channel
import com.jcraft.jsch.ChannelExec
String user = 'srv-ssd-fw-devops'
String host = 'sample.gerrit.com'
int port = 29418
String path = System.getProperty( 'user.home' ) + '/.ssh/ed25519/devops@ssdfw'
// Byte[] privateKey = ''.getBytes()
JSch jsch = new JSchConnector( user, host, port ).getJSch()
jsch.addIdentity( path )
Session session = jsch.getSession( user, host, port )
session.setConfig( 'StrictHostKeyChecking', 'no' )
session.setConfig( 'HostkeyAlgorithms', '+ssh-rsa' )
session.setConfig( 'PreferredAuthentications', 'publickey' )
println """
${session.getClass()}:
session client version : ${session.getClientVersion()} : ${session.clientVersion}
session host : ${session.getHost()} : ${session.host}
session port : ${session.getPort()} : ${session.port}
session hostkey : ${session.getHostKey()} : ${session.hostKey}
session hostkey alias : ${session.getHostKeyAlias()} : ${session.hostKeyAlias}
session isConnected : ${session.isConnected()}
"""
def knowHosts = session.getHostKeyRepository()
println """
${knowHosts.getClass()}:
knownHosts host key : ${knowHosts.getHostKey( host, 'ssh-rsa' )}
knowHosts repository id : ${knowHosts.getKnownHostsRepositoryID()}
"""
def idRepo = jsch.getIdentityRepository()
println """
${idRepo.getClass()} :
identityRepository name : ${idRepo.getName()} : ${idRepo.name}
identityRepository status : ${idRepo.getStatus()} : ${idRepo.status}
identityRepository identities : ${idRepo.getIdentities()} : ${idRepo.identities}
"""
session.connect()
