@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);
}
}
@GET
@Path("blueprint/{name}")
public ConfigManifest getBlueprint(@PathParam("name") String name) {
try {
ZooKeeper zk = Controller.getInstance().getZKInstance();
Stat current = new Stat();
String path = ZookeeperUtil.getConfigManifestPath(name);
byte[] data = zk.getData(path, false, current);
ConfigManifest res = JAXBUtil.read(data, ConfigManifest.class);
return res;
} catch (Exception e) {
LOG.error(ExceptionUtil.getStackTrace(e));
throw new WebApplicationException(500);
}
}
@GET
@Path("blueprint")
public List<ConfigManifest> getList() {
List<ConfigManifest> list = new ArrayList<ConfigManifest>();
try {
ZooKeeper zk = Controller.getInstance().getZKInstance();
List<String> blueprints =
zk.getChildren(CommonConfigurationKeys.ZOOKEEPER_CONFIG_BLUEPRINT_PATH_DEFAULT, false);
Stat current = new Stat();
for (String blueprint : blueprints) {
byte[] data = zk.getData(ZookeeperUtil.getConfigManifestPath(blueprint), false, current);
ConfigManifest x = JAXBUtil.read(data, ConfigManifest.class);
list.add(x);
}
} catch (Exception e) {
LOG.error(ExceptionUtil.getStackTrace(e));
throw new WebApplicationException(500);
}
return list;
}