@Override
public VirtualNetworkFunctionRecord stopVNFCInstance(
VirtualNetworkFunctionRecord virtualNetworkFunctionRecord, VNFCInstance vnfcInstance)
throws Exception {
log.info("Stopping vnfc instance: " + vnfcInstance.getHostname());
if (VnfmUtils.getLifecycleEvent(virtualNetworkFunctionRecord.getLifecycle_event(), Event.STOP)
!= null) {
if (VnfmUtils.getLifecycleEvent(virtualNetworkFunctionRecord.getLifecycle_event(), Event.STOP)
.getLifecycle_events()
!= null) {
String output = "\n--------------------\n--------------------\n";
for (String result :
executeScriptsForEvent(virtualNetworkFunctionRecord, vnfcInstance, Event.STOP)) {
output +=
this.parser
.fromJson(result, JsonObject.class)
.get("output")
.getAsString()
.replaceAll("\\\\n", "\n");
output += "\n--------------------\n";
}
output += "\n--------------------\n";
log.info(
"Executed script for STOP on VNFC Instance "
+ vnfcInstance.getHostname()
+ ". Output was: \n\n"
+ output);
}
}
return virtualNetworkFunctionRecord;
}
@Override
public VirtualNetworkFunctionRecord start(
VirtualNetworkFunctionRecord virtualNetworkFunctionRecord) throws Exception {
log.info("Starting vnfr: " + virtualNetworkFunctionRecord.getName());
if (VnfmUtils.getLifecycleEvent(virtualNetworkFunctionRecord.getLifecycle_event(), Event.START)
!= null) {
if (VnfmUtils.getLifecycleEvent(
virtualNetworkFunctionRecord.getLifecycle_event(), Event.START)
.getLifecycle_events()
!= null) {
String output = "\n--------------------\n--------------------\n";
for (String result : executeScriptsForEvent(virtualNetworkFunctionRecord, Event.START)) {
output +=
this.parser
.fromJson(result, JsonObject.class)
.get("output")
.getAsString()
.replaceAll("\\\\n", "\n");
output += "\n--------------------\n";
}
output += "\n--------------------\n";
log.info("Executed script for START. Output was: \n\n" + output);
}
}
return virtualNetworkFunctionRecord;
}
@Override
public VirtualNetworkFunctionRecord heal(
VirtualNetworkFunctionRecord virtualNetworkFunctionRecord,
VNFCInstance component,
String cause)
throws Exception {
if ("switchToStandby".equals(cause)) {
for (VirtualDeploymentUnit virtualDeploymentUnit : virtualNetworkFunctionRecord.getVdu()) {
for (VNFCInstance vnfcInstance : virtualDeploymentUnit.getVnfc_instance()) {
if (vnfcInstance.getId().equals(component.getId())
&& "standby".equalsIgnoreCase(vnfcInstance.getState())) {
log.debug("Activation of the standby component");
if (VnfmUtils.getLifecycleEvent(
virtualNetworkFunctionRecord.getLifecycle_event(), Event.START)
!= null) {
log.debug(
"Executed scripts for event START "
+ this.executeScriptsForEvent(
virtualNetworkFunctionRecord, component, Event.START));
}
log.debug("Changing the status from standby to active");
// This is inside the vnfr
vnfcInstance.setState("ACTIVE");
// This is a copy of the object received as parameter and modified.
// It will be sent to the orchestrator
component.setState("ACTIVE");
break;
}
}
}
} else if (VnfmUtils.getLifecycleEvent(
virtualNetworkFunctionRecord.getLifecycle_event(), Event.HEAL)
!= null) {
if (VnfmUtils.getLifecycleEvent(virtualNetworkFunctionRecord.getLifecycle_event(), Event.HEAL)
.getLifecycle_events()
!= null) {
log.debug("Heal method started");
log.info("-----------------------------------------------------------------------");
String output = "\n--------------------\n--------------------\n";
for (String result :
executeScriptsForEvent(virtualNetworkFunctionRecord, component, Event.HEAL, cause)) {
output +=
this.parser
.fromJson(result, JsonObject.class)
.get("output")
.getAsString()
.replaceAll("\\\\n", "\n");
output += "\n--------------------\n";
}
output += "\n--------------------\n";
log.info("Executed script for HEAL. Output was: \n\n" + output);
log.info("-----------------------------------------------------------------------");
}
}
return virtualNetworkFunctionRecord;
}
public Iterable<String> executeScriptsForEvent(
VirtualNetworkFunctionRecord virtualNetworkFunctionRecord, Event event)
throws Exception { // TODO make it parallel
Map<String, String> env = getMap(virtualNetworkFunctionRecord);
Collection<String> res = new ArrayList<>();
LifecycleEvent le =
VnfmUtils.getLifecycleEvent(virtualNetworkFunctionRecord.getLifecycle_event(), event);
if (le != null) {
log.trace(
"The number of scripts for "
+ virtualNetworkFunctionRecord.getName()
+ " are: "
+ le.getLifecycle_events());
for (String script : le.getLifecycle_events()) {
log.info(
"Sending script: "
+ script
+ " to VirtualNetworkFunctionRecord: "
+ virtualNetworkFunctionRecord.getName());
for (VirtualDeploymentUnit vdu : virtualNetworkFunctionRecord.getVdu()) {
for (VNFCInstance vnfcInstance : vdu.getVnfc_instance()) {
Map<String, String> tempEnv = new HashMap<>();
for (Ip ip : vnfcInstance.getIps()) {
log.debug("Adding net: " + ip.getNetName() + " with value: " + ip.getIp());
tempEnv.put(ip.getNetName(), ip.getIp());
}
log.debug("adding floatingIp: " + vnfcInstance.getFloatingIps());
for (Ip fip : vnfcInstance.getFloatingIps()) {
tempEnv.put(fip.getNetName() + "_floatingIp", fip.getIp());
}
tempEnv.put("hostname", vnfcInstance.getHostname());
tempEnv = modifyUnsafeEnvVarNames(tempEnv);
env.putAll(tempEnv);
log.info("Environment Variables are: " + env);
String command = getJsonObject("EXECUTE", script, env).toString();
String output =
executeActionOnEMS(
vnfcInstance.getHostname(),
command,
virtualNetworkFunctionRecord,
vnfcInstance);
res.add(output);
saveLogToFile(virtualNetworkFunctionRecord, script, vnfcInstance, output);
for (String key : tempEnv.keySet()) {
env.remove(key);
}
}
}
}
}
return res;
}
@Override
public VirtualNetworkFunctionRecord modify(
VirtualNetworkFunctionRecord virtualNetworkFunctionRecord, VNFRecordDependency dependency)
throws Exception {
log.trace(
"VirtualNetworkFunctionRecord VERSION is: " + virtualNetworkFunctionRecord.getHb_version());
log.info("executing modify for VNFR: " + virtualNetworkFunctionRecord.getName());
log.debug("Got dependency: " + dependency);
log.debug("Parameters are: ");
for (Entry<String, DependencyParameters> entry : dependency.getParameters().entrySet()) {
log.debug("Source type: " + entry.getKey());
log.debug("Parameters: " + entry.getValue().getParameters());
}
if (VnfmUtils.getLifecycleEvent(
virtualNetworkFunctionRecord.getLifecycle_event(), Event.CONFIGURE)
!= null) {
log.debug(
"LifeCycle events: "
+ VnfmUtils.getLifecycleEvent(
virtualNetworkFunctionRecord.getLifecycle_event(), Event.CONFIGURE)
.getLifecycle_events());
log.info("-----------------------------------------------------------------------");
String output = "\n--------------------\n--------------------\n";
for (String result :
executeScriptsForEvent(virtualNetworkFunctionRecord, Event.CONFIGURE, dependency)) {
output +=
this.parser
.fromJson(result, JsonObject.class)
.get("output")
.getAsString()
.replaceAll("\\\\n", "\n");
output += "\n--------------------\n";
}
output += "\n--------------------\n";
log.info("Executed script for CONFIGURE. Output was: \n\n" + output);
log.info("-----------------------------------------------------------------------");
} else {
log.debug("No LifeCycle events for Event.CONFIGURE");
}
return virtualNetworkFunctionRecord;
}
// When the EMS reveive a script which terminate the vnf, the EMS is still running.
// Once the vnf is terminated NFVO requests deletion of resources (MANO B.5) and the EMS will be
// terminated.
@Override
public VirtualNetworkFunctionRecord terminate(
VirtualNetworkFunctionRecord virtualNetworkFunctionRecord) throws Exception {
log.debug("Termination of VNF: " + virtualNetworkFunctionRecord.getName());
if (VnfmUtils.getLifecycleEvent(
virtualNetworkFunctionRecord.getLifecycle_event(), Event.TERMINATE)
!= null) {
String output = "\n--------------------\n--------------------\n";
for (String result : executeScriptsForEvent(virtualNetworkFunctionRecord, Event.TERMINATE)) {
output +=
this.parser
.fromJson(result, JsonObject.class)
.get("output")
.getAsString()
.replaceAll("\\\\n", "\n");
output += "\n--------------------\n";
}
output += "\n--------------------\n";
log.info("Executed script for TERMINATE. Output was: \n\n" + output);
}
return virtualNetworkFunctionRecord;
}
@Override
public void handleError(VirtualNetworkFunctionRecord virtualNetworkFunctionRecord) {
log.error("Received Error for VNFR " + virtualNetworkFunctionRecord.getName());
if (VnfmUtils.getLifecycleEvent(virtualNetworkFunctionRecord.getLifecycle_event(), Event.ERROR)
!= null) {
String output = "\n--------------------\n--------------------\n";
try {
for (String result : executeScriptsForEvent(virtualNetworkFunctionRecord, Event.ERROR)) {
output +=
this.parser
.fromJson(result, JsonObject.class)
.get("output")
.getAsString()
.replaceAll("\\\\n", "\n");
output += "\n--------------------\n";
}
} catch (Exception e) {
e.printStackTrace();
log.error("Exception executing Error handling");
}
output += "\n--------------------\n";
log.info("Executed script for ERROR. Output was: \n\n" + output);
}
}
private Iterable<String> executeScriptsForEvent(
VirtualNetworkFunctionRecord virtualNetworkFunctionRecord,
VNFCInstance vnfcInstance,
Event event,
VNFRecordDependency dependency)
throws Exception {
Map<String, String> env = getMap(virtualNetworkFunctionRecord);
List<String> res = new ArrayList<>();
LifecycleEvent le =
VnfmUtils.getLifecycleEvent(virtualNetworkFunctionRecord.getLifecycle_event(), event);
log.trace(
"The number of scripts for "
+ virtualNetworkFunctionRecord.getName()
+ " are: "
+ le.getLifecycle_events());
log.debug("DEPENDENCY IS: " + dependency);
if (le != null) {
for (String script : le.getLifecycle_events()) {
int indexOf = script.indexOf('_');
VNFCDependencyParameters vnfcDependencyParameters = null;
String type = null;
if (indexOf != -1) {
type = script.substring(0, indexOf);
vnfcDependencyParameters = dependency.getVnfcParameters().get(type);
}
if (vnfcDependencyParameters != null) {
log.debug(
"There are "
+ vnfcDependencyParameters.getParameters().size()
+ " VNFCInstanceForeign");
for (String vnfcForeignId : vnfcDependencyParameters.getParameters().keySet()) {
log.info("Running script: " + script + " for VNFCInstance foreign id " + vnfcForeignId);
log.info(
"Sending command: "
+ script
+ " to adding relation with type: "
+ type
+ " from VirtualNetworkFunctionRecord "
+ virtualNetworkFunctionRecord.getName());
Map<String, String> tempEnv = new HashMap<>();
// Adding own ips
for (Ip ip : vnfcInstance.getIps()) {
log.debug("Adding net: " + ip.getNetName() + " with value: " + ip.getIp());
tempEnv.put(ip.getNetName(), ip.getIp());
}
// Adding own floating ip
log.debug("adding floatingIp: " + vnfcInstance.getFloatingIps());
for (Ip fip : vnfcInstance.getFloatingIps()) {
tempEnv.put(fip.getNetName() + "_floatingIp", fip.getIp());
}
// Adding foreign parameters such as ip
if (script.contains("_")) {
// Adding foreign parameters such as ip
Map<String, String> parameters = dependency.getParameters().get(type).getParameters();
for (Entry<String, String> param : parameters.entrySet()) {
tempEnv.put(type + "_" + param.getKey(), param.getValue());
}
Map<String, String> parametersVNFC =
vnfcDependencyParameters.getParameters().get(vnfcForeignId).getParameters();
for (Entry<String, String> param : parametersVNFC.entrySet()) {
tempEnv.put(type + "_" + param.getKey(), param.getValue());
}
}
tempEnv.put("hostname", vnfcInstance.getHostname());
tempEnv = modifyUnsafeEnvVarNames(tempEnv);
env.putAll(tempEnv);
log.info("The Environment Variables for script " + script + " are: " + env);
String command = getJsonObject("EXECUTE", script, env).toString();
String output =
executeActionOnEMS(
vnfcInstance.getHostname(),
command,
virtualNetworkFunctionRecord,
vnfcInstance);
res.add(output);
saveLogToFile(virtualNetworkFunctionRecord, script, vnfcInstance, output);
for (String key : tempEnv.keySet()) {
env.remove(key);
}
}
}
}
}
return res;
}
@Override
public VirtualNetworkFunctionRecord scale(
Action scaleInOrOut,
VirtualNetworkFunctionRecord virtualNetworkFunctionRecord,
VNFComponent component,
Object scripts,
VNFRecordDependency dependency)
throws Exception {
VNFCInstance vnfcInstance = (VNFCInstance) component;
if (scaleInOrOut.ordinal() == Action.SCALE_OUT.ordinal()) {
log.info("Created VNFComponent");
saveScriptOnEms(vnfcInstance, scripts, virtualNetworkFunctionRecord);
String output = "\n--------------------\n--------------------\n";
for (String result :
executeScriptsForEvent(virtualNetworkFunctionRecord, vnfcInstance, Event.INSTANTIATE)) {
output +=
this.parser
.fromJson(result, JsonObject.class)
.get("output")
.getAsString()
.replaceAll("\\\\n", "\n");
output += "\n--------------------\n";
}
output += "\n--------------------\n";
log.info("Executed script for INSTANTIATE. Output was: \n\n" + output);
if (dependency != null) {
output = "\n--------------------\n--------------------\n";
for (String result :
executeScriptsForEvent(
virtualNetworkFunctionRecord, vnfcInstance, Event.CONFIGURE, dependency)) {
output +=
this.parser
.fromJson(result, JsonObject.class)
.get("output")
.getAsString()
.replaceAll("\\\\n", "\n");
output += "\n--------------------\n";
}
output += "\n--------------------\n";
log.info("Executed script for CONFIGURE. Output was: \n\n" + output);
}
if ((vnfcInstance.getState() == null) || !vnfcInstance.getState().equals("STANDBY")) {
if (VnfmUtils.getLifecycleEvent(
virtualNetworkFunctionRecord.getLifecycle_event(), Event.START)
!= null) {
output = "\n--------------------\n--------------------\n";
for (String result :
executeScriptsForEvent(virtualNetworkFunctionRecord, vnfcInstance, Event.START)) {
output +=
this.parser
.fromJson(result, JsonObject.class)
.get("output")
.getAsString()
.replaceAll("\\\\n", "\n");
output += "\n--------------------\n";
}
output += "\n--------------------\n";
log.info("Executed script for START. Output was: \n\n" + output);
}
}
log.trace("HB_VERSION == " + virtualNetworkFunctionRecord.getHb_version());
return virtualNetworkFunctionRecord;
} else { // SCALE_IN
String output = "\n--------------------\n--------------------\n";
for (String result :
executeScriptsForEventOnVnfr(
virtualNetworkFunctionRecord, vnfcInstance, Event.SCALE_IN)) {
output +=
this.parser
.fromJson(result, JsonObject.class)
.get("output")
.getAsString()
.replaceAll("\\\\n", "\n");
output += "\n--------------------\n";
}
output += "\n--------------------\n";
log.info("Executed script for SCALE_IN. Output was: \n\n" + output);
return virtualNetworkFunctionRecord;
}
}
public Iterable<String> executeScriptsForEvent(
VirtualNetworkFunctionRecord virtualNetworkFunctionRecord,
Event event,
VNFRecordDependency dependency)
throws Exception {
Map<String, String> env = getMap(virtualNetworkFunctionRecord);
LifecycleEvent le =
VnfmUtils.getLifecycleEvent(virtualNetworkFunctionRecord.getLifecycle_event(), event);
List<String> res = new ArrayList<>();
if (le != null) {
for (String script : le.getLifecycle_events()) {
String type = null;
if (script.contains("_")) {
type = script.substring(0, script.indexOf('_'));
log.info(
"Sending command: "
+ script
+ " to adding relation with type: "
+ type
+ " from VirtualNetworkFunctionRecord "
+ virtualNetworkFunctionRecord.getName());
}
for (VirtualDeploymentUnit vdu : virtualNetworkFunctionRecord.getVdu()) {
for (VNFCInstance vnfcInstance : vdu.getVnfc_instance()) {
if (dependency.getVnfcParameters().get(type) != null) {
for (String vnfcId :
dependency.getVnfcParameters().get(type).getParameters().keySet()) {
Map<String, String> tempEnv = new HashMap<>();
// Adding own ips
for (Ip ip : vnfcInstance.getIps()) {
log.debug("Adding net: " + ip.getNetName() + " with value: " + ip.getIp());
tempEnv.put(ip.getNetName(), ip.getIp());
}
// Adding own floating ip
for (Ip fip : vnfcInstance.getFloatingIps()) {
log.debug("adding floatingIp: " + fip.getNetName() + " = " + fip.getIp());
tempEnv.put(fip.getNetName() + "_floatingIp", fip.getIp());
}
if (script.contains("_")) {
// Adding foreign parameters such as ip
log.debug("Fetching parameter from dependency of type: " + type);
Map<String, String> parameters =
dependency.getParameters().get(type).getParameters();
for (Map.Entry<String, String> param : parameters.entrySet()) {
log.debug(
"adding param: " + type + "_" + param.getKey() + " = " + param.getValue());
tempEnv.put(type + "_" + param.getKey(), param.getValue());
}
Map<String, String> parametersVNFC =
dependency
.getVnfcParameters()
.get(type)
.getParameters()
.get(vnfcId)
.getParameters();
for (Map.Entry<String, String> param : parametersVNFC.entrySet()) {
log.debug(
"adding param: " + type + "_" + param.getKey() + " = " + param.getValue());
tempEnv.put(type + "_" + param.getKey(), param.getValue());
}
}
tempEnv.put("hostname", vnfcInstance.getHostname());
tempEnv = modifyUnsafeEnvVarNames(tempEnv);
env.putAll(tempEnv);
log.info("Environment Variables are: " + env);
String command = getJsonObject("EXECUTE", script, env).toString();
String output =
executeActionOnEMS(
vnfcInstance.getHostname(),
command,
virtualNetworkFunctionRecord,
vnfcInstance);
res.add(output);
saveLogToFile(virtualNetworkFunctionRecord, script, vnfcInstance, output);
for (String key : tempEnv.keySet()) {
env.remove(key);
}
}
}
}
}
}
}
return res;
}