if ( cmd.getVpcId() != null ) {
return VPCLoadBalancerConfig(cmd);
}
VmwareManager mgr = getServiceContext().getStockObject(VmwareManager.CONTEXT_STOCK_NAME);
File keyFile = mgr.getSystemVMKeyFile();
String routerIp = cmd.getAccessDetail(NetworkElementCommand.ROUTER_IP);
String controlIp = getRouterSshControlIp(cmd);
assert(controlIp != null);
LoadBalancerConfigurator cfgtr = new HAProxyConfigurator();
String[] config = cfgtr.generateConfiguration(cmd);
String[][] rules = cfgtr.generateFwRules(cmd);
String tmpCfgFilePath = "/tmp/" + routerIp.replace('.', '_') + ".cfg";
String tmpCfgFileContents = "";
for (int i = 0; i < config.length; i++) {
tmpCfgFileContents += config[i];
tmpCfgFileContents += "\n";
}
try {
SshHelper.scpTo(controlIp, DEFAULT_DOMR_SSHPORT, "root", keyFile, null, "/tmp/", tmpCfgFileContents.getBytes(), routerIp.replace('.', '_') + ".cfg", null);
try {
String[] addRules = rules[LoadBalancerConfigurator.ADD];
String[] removeRules = rules[LoadBalancerConfigurator.REMOVE];
String[] statRules = rules[LoadBalancerConfigurator.STATS];
String args = "";
args += "-i " + routerIp;
args += " -f " + tmpCfgFilePath;
StringBuilder sb = new StringBuilder();
if (addRules.length > 0) {
for (int i = 0; i < addRules.length; i++) {
sb.append(addRules[i]).append(',');
}
args += " -a " + sb.toString();
}
sb = new StringBuilder();
if (removeRules.length > 0) {
for (int i = 0; i < removeRules.length; i++) {
sb.append(removeRules[i]).append(',');
}
args += " -d " + sb.toString();
}
sb = new StringBuilder();
if (statRules.length > 0) {
for (int i = 0; i < statRules.length; i++) {
sb.append(statRules[i]).append(',');
}
args += " -s " + sb.toString();
}
Pair<Boolean, String> result = SshHelper.sshExecute(controlIp, DEFAULT_DOMR_SSHPORT, "root", mgr.getSystemVMKeyFile(), null, "scp " + tmpCfgFilePath + " /etc/haproxy/haproxy.cfg.new");
if (!result.first()) {
s_logger.error("Unable to copy haproxy configuration file");
return new Answer(cmd, false, "LoadBalancerConfigCommand failed due to uanble to copy haproxy configuration file");
}
if (s_logger.isDebugEnabled()) {
s_logger.debug("Run command on domain router " + routerIp + ", /root/loadbalancer.sh " + args);
}
result = SshHelper.sshExecute(controlIp, DEFAULT_DOMR_SSHPORT, "root", mgr.getSystemVMKeyFile(), null, "/root/loadbalancer.sh " + args);
if (!result.first()) {
String msg = "LoadBalancerConfigCommand on domain router " + routerIp + " failed. message: " + result.second();
s_logger.error(msg);
return new Answer(cmd, false, msg);
}
if (s_logger.isInfoEnabled()) {
s_logger.info("LoadBalancerConfigCommand on domain router " + routerIp + " completed");
}
} finally {
SshHelper.sshExecute(controlIp, DEFAULT_DOMR_SSHPORT, "root", mgr.getSystemVMKeyFile(), null, "rm " + tmpCfgFilePath);
}
return new Answer(cmd);
} catch (Throwable e) {
s_logger.error("Unexpected exception: " + e.toString(), e);