Java Code Examples for com.ecwid.consul.v1.Response#getConsulIndex()
The following examples show how to use
com.ecwid.consul.v1.Response#getConsulIndex() .
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Example 1
| Source File: ConsulNamingService.java From brpc-java with Apache License 2.0 | 6 votes |
|
@Override
public void run() {
while (!stopWatch) {
Response<List<HealthService>> response = lookupHealthService(serviceName, lastConsulIndex);
Long currentIndex = response.getConsulIndex();
if (currentIndex != null && currentIndex > lastConsulIndex) {
List<ServiceInstance> currentInstances = convert(response);
Collection<ServiceInstance> addList = CollectionUtils.subtract(
currentInstances, lastInstances);
Collection<ServiceInstance> deleteList = CollectionUtils.subtract(
lastInstances, currentInstances);
listener.notify(addList, deleteList);
lastInstances = currentInstances;
lastConsulIndex = currentIndex;
}
}
}
Example 2
| Source File: ConsulPropertySource.java From spring-cloud-consul with Apache License 2.0 | 6 votes |
|
public void init() {
if (!this.context.endsWith("/")) {
this.context = this.context + "/";
}
Response<List<GetValue>> response = this.source.getKVValues(this.context,
this.configProperties.getAclToken(), QueryParams.DEFAULT);
this.initialIndex = response.getConsulIndex();
final List<GetValue> values = response.getValue();
ConsulConfigProperties.Format format = this.configProperties.getFormat();
switch (format) {
case KEY_VALUE:
parsePropertiesInKeyValueFormat(values);
break;
case PROPERTIES:
case YAML:
parsePropertiesWithNonKeyValueFormat(values, format);
}
}
Example 3
| Source File: ConsulPropertySource.java From spring-cloud-formula with Apache License 2.0 | 5 votes |
|
public void init() {
if (!this.context.endsWith("/")) {
this.context = this.context + "/";
}
if (configProperties.isTokenEnabled() && StringUtils.isEmpty(bmsAuthClient.getToken())) {
bmsAuthClient.getTokenFromServer(configProperties.getAuthUri());
}
logger.info("Try to get KV from consul for context: " + this.context);
Response<List<GetValue>> response = this.source.getKVValues(this.context,
this.bmsAuthClient.getToken(), new QueryParams(ConsistencyMode.STALE));
this.initialIndex = response.getConsulIndex();
final List<GetValue> values = response.getValue();
Format format = this.configProperties.getFormat();
switch (format) {
case KEY_VALUE:
parsePropertiesInKeyValueFormat(values);
logger.info("Properties for context " + this.context + "is ");
for (Map.Entry<String, Object> entry : this.properties.entrySet()) {
logger.info(entry.getKey() + ": " + entry.getValue().toString());
}
break;
case PROPERTIES:
break;
case YAML:
parsePropertiesWithNonKeyValueFormat(values, format);
break;
default:
break;
}
}
Example 4
| Source File: ConsulNamingService.java From brpc-java with Apache License 2.0 | 5 votes |
|
@Override
public void doSubscribe(SubscribeInfo subscribeInfo, NotifyListener listener) {
final String serviceName = subscribeInfo.getServiceId();
Response<List<HealthService>> response = lookupHealthService(serviceName, -1);
List<ServiceInstance> instances = convert(response);
log.info("lookup {} instances from consul", instances.size());
WatchTask watchTask = new WatchTask(serviceName, instances, response.getConsulIndex(), listener);
watchExecutor.submit(watchTask);
watchTaskMap.putIfAbsent(subscribeInfo, watchTask);
}
Example 5
| Source File: ConsulDataSource.java From Sentinel with Apache License 2.0 | 5 votes |
|
@Override
public String readSource() throws Exception {
if (this.client == null) {
throw new IllegalStateException("Consul has not been initialized or error occurred");
}
Response<GetValue> response = getValueImmediately(ruleKey);
if (response != null) {
GetValue value = response.getValue();
lastIndex = response.getConsulIndex();
return value != null ? value.getDecodedValue() : null;
}
return null;
}
Example 6
| Source File: ConsulCatalogWatch.java From spring-cloud-consul with Apache License 2.0 | 5 votes |
|
@Timed("consul.watch-catalog-services")
public void catalogServicesWatch() {
try {
long index = -1;
if (this.catalogServicesIndex.get() != null) {
index = this.catalogServicesIndex.get().longValue();
}
CatalogServicesRequest request = CatalogServicesRequest.newBuilder()
.setQueryParams(new QueryParams(
this.properties.getCatalogServicesWatchTimeout(), index))
.setToken(this.properties.getAclToken()).build();
Response<Map<String, List<String>>> response = this.consul
.getCatalogServices(request);
Long consulIndex = response.getConsulIndex();
if (consulIndex != null) {
this.catalogServicesIndex.set(BigInteger.valueOf(consulIndex));
}
if (log.isTraceEnabled()) {
log.trace("Received services update from consul: " + response.getValue()
+ ", index: " + consulIndex);
}
this.publisher.publishEvent(new HeartbeatEvent(this, consulIndex));
}
catch (Exception e) {
log.error("Error watching Consul CatalogServices", e);
}
}
Example 7
| Source File: ConfigWatch.java From spring-cloud-formula with Apache License 2.0 | 4 votes |
|
@Timed("consul.watch-config-keys")
public void watchConfigKeyValues(String context) {
if (this.running.get()) {
if (this.properties.getFormat() != Format.FILES && !context.endsWith("/")) {
context = context + "/";
}
try {
Long currentIndex = this.consulIndexes.get(context);
if (currentIndex == null) {
currentIndex = -1L;
}
logger.debug("watching consul for context '" + context + "' with index " + currentIndex);
if (properties.isTokenEnabled() && StringUtils.isEmpty(bmsAuthClient.getToken())) {
bmsAuthClient.getTokenFromServer(properties.getAuthUri());
}
QueryParams queryParams = QueryParams.Builder.builder()
.setConsistencyMode(ConsistencyMode.STALE)
.setIndex(currentIndex)
.setWaitTime(this.properties.getWatch().getWaitTime())
.build();
Response<List<GetValue>> response = this.consul.getKVValues(context, bmsAuthClient.getToken(),
queryParams);
// if response.value == null, response was a 404, otherwise it was a 200
// reducing churn if there wasn't anything
if (response.getValue() != null && !response.getValue().isEmpty()) {
Long newIndex = response.getConsulIndex();
if (newIndex != null && !newIndex.equals(currentIndex)) {
// don't publish the same index again, don't publish the first
// time (-1) so index can be primed
if (!this.consulIndexes.containsValue(newIndex) && !currentIndex.equals(-1L)) {
logger.trace("Context " + context + " has new index " + newIndex);
RefreshEventData data = new RefreshEventData(context, currentIndex, newIndex);
this.publisher.publishEvent(new RefreshEvent(this, data, data.toString()));
} else if (logger.isTraceEnabled()) {
logger.trace("Event for index already published for context " + context);
}
this.consulIndexes.put(context, newIndex);
} else if (logger.isTraceEnabled()) {
logger.trace("Same index for context " + context);
}
} else if (logger.isTraceEnabled()) {
logger.trace("No value for context " + context);
}
} catch (Exception e) {
// OperationException(statusCode=403, statusMessage='Forbidden', statusContent='ACL not found')
if (e instanceof OperationException && ((OperationException) e).getStatusCode() == 403) {
logger.info("Token has expired, try to get new token from server.");
String newToken = bmsAuthClient.getTokenFromServer(this.properties.getAuthUri());
logger.info("New Token is: " + newToken);
}
// only fail fast on the initial query, otherwise just log the error
if (this.firstTime && this.properties.isFailFast()) {
logger.error(
"Fail fast is set and there was an error reading configuration from consul.");
ReflectionUtils.rethrowRuntimeException(e);
} else if (logger.isTraceEnabled()) {
logger.trace("Error querying consul Key/Values for context '"
+ context + "'", e);
} else if (logger.isWarnEnabled()) {
// simplified one line log message in the event of an agent failure
logger.warn("Error querying consul Key/Values for context '"
+ context + "'. Message: " + e.getMessage());
}
}
}
this.firstTime = false;
}
Example 8
| Source File: ConfigWatch.java From spring-cloud-consul with Apache License 2.0 | 4 votes |
|
@Timed("consul.watch-config-keys")
public void watchConfigKeyValues() {
if (this.running.get()) {
for (String context : this.consulIndexes.keySet()) {
// turn the context into a Consul folder path (unless our config format
// are FILES)
if (this.properties.getFormat() != FILES && !context.endsWith("/")) {
context = context + "/";
}
try {
Long currentIndex = this.consulIndexes.get(context);
if (currentIndex == null) {
currentIndex = -1L;
}
log.trace("watching consul for context '" + context + "' with index "
+ currentIndex);
// use the consul ACL token if found
String aclToken = this.properties.getAclToken();
if (StringUtils.isEmpty(aclToken)) {
aclToken = null;
}
Response<List<GetValue>> response = this.consul.getKVValues(context,
aclToken,
new QueryParams(this.properties.getWatch().getWaitTime(),
currentIndex));
// if response.value == null, response was a 404, otherwise it was a
// 200
// reducing churn if there wasn't anything
if (response.getValue() != null && !response.getValue().isEmpty()) {
Long newIndex = response.getConsulIndex();
if (newIndex != null && !newIndex.equals(currentIndex)) {
// don't publish the same index again, don't publish the first
// time (-1) so index can be primed
if (!this.consulIndexes.containsValue(newIndex)
&& !currentIndex.equals(-1L)) {
log.trace("Context " + context + " has new index "
+ newIndex);
RefreshEventData data = new RefreshEventData(context,
currentIndex, newIndex);
this.publisher.publishEvent(
new RefreshEvent(this, data, data.toString()));
}
else if (log.isTraceEnabled()) {
log.trace("Event for index already published for context "
+ context);
}
this.consulIndexes.put(context, newIndex);
}
else if (log.isTraceEnabled()) {
log.trace("Same index for context " + context);
}
}
else if (log.isTraceEnabled()) {
log.trace("No value for context " + context);
}
}
catch (Exception e) {
// only fail fast on the initial query, otherwise just log the error
if (this.firstTime && this.properties.isFailFast()) {
log.error(
"Fail fast is set and there was an error reading configuration from consul.");
ReflectionUtils.rethrowRuntimeException(e);
}
else if (log.isTraceEnabled()) {
log.trace("Error querying consul Key/Values for context '"
+ context + "'", e);
}
else if (log.isWarnEnabled()) {
// simplified one line log message in the event of an agent
// failure
log.warn("Error querying consul Key/Values for context '"
+ context + "'. Message: " + e.getMessage());
}
}
}
}
this.firstTime = false;
}
Example 9
| Source File: EventService.java From spring-cloud-consul with Apache License 2.0 | 4 votes |
|
private void setLastIndex(Response<?> response) {
Long consulIndex = response.getConsulIndex();
if (consulIndex != null) {
this.lastIndex.set(response.getConsulIndex());
}
}
