@POST
@Path("blueprint/{name}")
public Response createBlueprint(
@Context UriInfo uri, @PathParam("name") String name, ConfigManifest blueprint) {
Response res;
try {
ZooKeeper zk = Controller.getInstance().getZKInstance();
blueprint.setUrl(uri.getAbsolutePath().toURL());
byte[] data = JAXBUtil.write(blueprint);
Stat stat =
zk.exists(
CommonConfigurationKeys.ZOOKEEPER_CONFIG_BLUEPRINT_PATH_DEFAULT + '/' + name, false);
if (stat == null) {
zk.create(
CommonConfigurationKeys.ZOOKEEPER_CONFIG_BLUEPRINT_PATH_DEFAULT + '/' + name,
data,
Ids.OPEN_ACL_UNSAFE,
CreateMode.PERSISTENT);
} else {
throw new WebApplicationException(409);
}
res = Response.created(uri.getAbsolutePath()).build();
return res;
} catch (WebApplicationException e) {
throw e;
} catch (Exception e) {
LOG.error(ExceptionUtil.getStackTrace(e));
throw new WebApplicationException(500);
}
}
@PUT
@Path("blueprint/{name}")
public Response updateBlueprint(
@Context UriInfo uri, @PathParam("name") String oldName, ConfigManifest blueprint) {
Response res;
try {
ZooKeeper zk = Controller.getInstance().getZKInstance();
String newName = oldName;
if (blueprint.getUrl() != null) {
newName = ZookeeperUtil.getBaseURL(blueprint.getUrl().toString());
} else {
blueprint.setUrl(uri.getAbsolutePath().toURL());
}
byte[] data = JAXBUtil.write(blueprint);
Stat stat =
zk.exists(
CommonConfigurationKeys.ZOOKEEPER_CONFIG_BLUEPRINT_PATH_DEFAULT + '/' + newName,
false);
if (stat != null && oldName.equals(newName)) {
// Update existing blueprint
String path =
CommonConfigurationKeys.ZOOKEEPER_CONFIG_BLUEPRINT_PATH_DEFAULT + '/' + oldName;
zk.delete(path, stat.getVersion());
zk.create(
CommonConfigurationKeys.ZOOKEEPER_CONFIG_BLUEPRINT_PATH_DEFAULT + '/' + newName,
data,
Ids.OPEN_ACL_UNSAFE,
CreateMode.PERSISTENT);
} else if (stat != null) {
// Conflict in name change
throw new WebApplicationException(409);
} else {
// Create new blueprint
try {
zk.create(
CommonConfigurationKeys.ZOOKEEPER_CONFIG_BLUEPRINT_PATH_DEFAULT + '/' + newName,
data,
Ids.OPEN_ACL_UNSAFE,
CreateMode.PERSISTENT);
} catch (KeeperException.NodeExistsException e) {
throw new WebApplicationException(409);
}
}
res = Response.noContent().build();
return res;
} catch (WebApplicationException e) {
throw e;
} catch (Exception e) {
LOG.error(ExceptionUtil.getStackTrace(e));
throw new WebApplicationException(500);
}
}