// Undeploy any HA deploymentIDs now there is no quorum
private void undeployHADeployments() {
for (String deploymentID : deploymentManager.deployments()) {
Deployment dep = deploymentManager.getDeployment(deploymentID);
if (dep != null) {
if (dep.deploymentOptions().isHa()) {
ContextImpl ctx = vertx.getContext();
try {
ContextImpl.setContext(null);
deploymentManager.undeployVerticle(
deploymentID,
result -> {
if (result.succeeded()) {
log.info(
"Successfully undeployed HA deployment "
+ deploymentID
+ "-"
+ dep.verticleIdentifier()
+ " as there is no quorum");
addToHADeployList(
dep.verticleIdentifier(),
dep.deploymentOptions(),
result1 -> {
if (result1.succeeded()) {
log.info(
"Successfully redeployed verticle "
+ dep.verticleIdentifier()
+ " after quorum was re-attained");
} else {
log.error(
"Failed to redeploy verticle "
+ dep.verticleIdentifier()
+ " after quorum was re-attained",
result1.cause());
}
});
} else {
log.error("Failed to undeploy deployment on lost quorum", result.cause());
}
});
} finally {
ContextImpl.setContext(ctx);
}
}
}
}
}
private void doDeployVerticle(
final String verticleName,
DeploymentOptions deploymentOptions,
final Handler<AsyncResult<String>> doneHandler) {
final Handler<AsyncResult<String>> wrappedHandler =
asyncResult -> {
if (asyncResult.succeeded()) {
// Tell the other nodes of the cluster about the verticle for HA purposes
addToHA(asyncResult.result(), verticleName, deploymentOptions);
}
if (doneHandler != null) {
doneHandler.handle(asyncResult);
} else if (asyncResult.failed()) {
log.error("Failed to deploy verticle", asyncResult.cause());
}
};
deploymentManager.deployVerticle(verticleName, deploymentOptions, wrappedHandler);
}
// Remove the information on the deployment from the cluster - this is called when an HA module is
// undeployed
public void removeFromHA(String depID) {
Deployment dep = deploymentManager.getDeployment(depID);
if (dep == null || !dep.deploymentOptions().isHa()) {
return;
}
synchronized (haInfo) {
JsonArray haMods = haInfo.getJsonArray("verticles");
Iterator<Object> iter = haMods.iterator();
while (iter.hasNext()) {
Object obj = iter.next();
JsonObject mod = (JsonObject) obj;
if (mod.getString("dep_id").equals(depID)) {
iter.remove();
}
}
clusterMap.put(nodeID, haInfo.encode());
}
}