@Override
public String toString() {
return Objects.toStringHelper("")
.add("hostAndPort", hostAndPort)
.add("loginUser", loginCredentials.getUser())
.add("session", session != null ? session.hashCode() : null)
.add("connectTimeout", connectTimeout)
.add("sessionTimeout", sessionTimeout)
.toString();
}
public JschSshClient(
ProxyConfig proxyConfig,
BackoffLimitedRetryHandler backoffLimitedRetryHandler,
HostAndPort socket,
LoginCredentials loginCredentials,
int timeout) {
this.user = checkNotNull(loginCredentials, "loginCredentials").getUser();
this.host = checkNotNull(socket, "socket").getHostText();
checkArgument(socket.getPort() > 0, "ssh port must be greater then zero" + socket.getPort());
checkArgument(
loginCredentials.getPassword() != null || loginCredentials.getPrivateKey() != null,
"you must specify a password or a key");
this.backoffLimitedRetryHandler =
checkNotNull(backoffLimitedRetryHandler, "backoffLimitedRetryHandler");
if (loginCredentials.getPrivateKey() == null) {
this.toString =
String.format(
"%s:pw[%s]@%s:%d",
loginCredentials.getUser(),
base16()
.lowerCase()
.encode(md5().hashString(loginCredentials.getPassword(), UTF_8).asBytes()),
host,
socket.getPort());
} else {
String fingerPrint = fingerprintPrivateKey(loginCredentials.getPrivateKey());
String sha1 = sha1PrivateKey(loginCredentials.getPrivateKey());
this.toString =
String.format(
"%s:rsa[fingerprint(%s),sha1(%s)]@%s:%d",
loginCredentials.getUser(), fingerPrint, sha1, host, socket.getPort());
}
sessionConnection =
SessionConnection.builder()
.hostAndPort(HostAndPort.fromParts(host, socket.getPort()))
.loginCredentials(loginCredentials)
.proxy(checkNotNull(proxyConfig, "proxyConfig"))
.connectTimeout(timeout)
.sessionTimeout(timeout)
.build();
}
@Override
public NodeAndInitialCredentials<Instance> createNodeWithGroupEncodedIntoName(
String group, String name, Template template) {
GoogleComputeEngineTemplateOptions options =
GoogleComputeEngineTemplateOptions.class.cast(template.getOptions());
checkNotNull(options.getNetworks(), "template options must specify a network");
checkNotNull(template.getHardware().getUri(), "hardware must have a URI");
checkNotNull(template.getImage().getUri(), "image URI is null");
List<AttachDisk> disks = Lists.newArrayList();
disks.add(AttachDisk.newBootDisk(template.getImage().getUri()));
Iterator<String> networks = options.getNetworks().iterator();
URI network = URI.create(networks.next());
assert !networks.hasNext() : "Error: Options should specify only one network";
// Add tags from template
ArrayList<String> tags = new ArrayList<String>(options.getTags());
// Add tags for firewalls
FirewallTagNamingConvention naming = firewallTagNamingConvention.get(group);
List<String> ports = simplifyPorts(options.getInboundPorts());
if (ports != null) {
tags.add(naming.name(ports));
}
NewInstance newInstance =
new NewInstance.Builder(
name,
template.getHardware().getUri(), // machineType
network,
disks)
.description(group)
.tags(Tags.create(null, ImmutableList.copyOf(tags)))
.serviceAccounts(options.serviceAccounts())
.build();
// Add metadata from template and for ssh key and image id
newInstance.metadata().putAll(options.getUserMetadata());
LoginCredentials credentials = resolveNodeCredentials(template);
if (options.getPublicKey() != null) {
newInstance
.metadata()
.put(
"sshKeys",
format(
"%s:%s %s@localhost",
credentials.getUser(), options.getPublicKey(), credentials.getUser()));
}
String zone = template.getLocation().getId();
InstanceApi instanceApi = api.instancesInZone(zone);
Operation create = instanceApi.create(newInstance);
// We need to see the created instance so that we can access the newly created disk.
AtomicReference<Instance> instance =
Atomics.newReference(
Instance.create( //
"0000000000000000000", // id can't be null, but isn't available until provisioning
// is done.
null, // creationTimestamp
create.targetLink(), // selfLink
newInstance.name(), // name
newInstance.description(), // description
newInstance.tags(), // tags
newInstance.machineType(), // machineType
Instance.Status.PROVISIONING, // status
null, // statusMessage
create.zone(), // zone
null, // canIpForward
null, // networkInterfaces
null, // disks
newInstance.metadata(), // metadata
newInstance.serviceAccounts(), // serviceAccounts
Scheduling.create(OnHostMaintenance.MIGRATE, true) // scheduling
));
checkState(instanceVisible.apply(instance), "instance %s is not api visible!", instance.get());
// Add lookup for InstanceToNodeMetadata
diskToSourceImage.put(instance.get().disks().get(0).source(), template.getImage().getUri());
return new NodeAndInitialCredentials<Instance>(
instance.get(), instance.get().selfLink().toString(), credentials);
}
@Override
public Session create() throws Exception {
JSch jsch = new JSch();
session =
jsch.getSession(
loginCredentials.getUser(),
hostAndPort.getHostText(),
hostAndPort.getPortOrDefault(22));
if (sessionTimeout != 0) session.setTimeout(sessionTimeout);
if (loginCredentials.getPrivateKey() == null) {
session.setPassword(loginCredentials.getPassword());
} else {
byte[] privateKey = loginCredentials.getPrivateKey().getBytes();
if (CredentialUtils.isPrivateKeyEncrypted(privateKey)) {
throw new IllegalArgumentException(
"JschSshClientModule does not support private keys that require a passphrase");
}
jsch.addIdentity(
loginCredentials.getUser(),
Arrays.copyOf(privateKey, privateKey.length),
null,
emptyPassPhrase);
}
java.util.Properties config = new java.util.Properties();
config.put("StrictHostKeyChecking", "no");
session.setConfig(config);
session.connect(connectTimeout);
return session;
}
