Examples with D2LoadBalancerStrategyProperties com.linkedin.d2.D2LoadBalancerStrategyProperties used on opensource projects

Example 1 with D2LoadBalancerStrategyProperties

use of com.linkedin.d2.D2LoadBalancerStrategyProperties in project rest.li by linkedin.

the class LoadBalancerStrategyPropertiesConverter method toProperties.

public static Map<String, Object> toProperties(D2LoadBalancerStrategyProperties config) {
    if (config == null) {
        return Collections.emptyMap();
    }
    Map<String, Object> map = new HashMap<>();
    if (config.hasGlobalStepDown()) {
        map.put(PropertyKeys.HTTP_LB_GLOBAL_STEP_DOWN, config.getGlobalStepDown().toString());
    }
    if (config.hasGlobalStepUp()) {
        map.put(PropertyKeys.HTTP_LB_GLOBAL_STEP_UP, config.getGlobalStepUp().toString());
    }
    if (config.hasInitialRecoveryLevel()) {
        map.put(PropertyKeys.HTTP_LB_INITIAL_RECOVERY_LEVEL, config.getInitialRecoveryLevel().toString());
    }
    if (config.hasRingRampFactor()) {
        map.put(PropertyKeys.HTTP_LB_RING_RAMP_FACTOR, config.getRingRampFactor().toString());
    }
    if (config.hasHighWaterMark()) {
        map.put(PropertyKeys.HTTP_LB_HIGH_WATER_MARK, config.getHighWaterMark().toString());
    }
    if (config.hasLowWaterMark()) {
        map.put(PropertyKeys.HTTP_LB_LOW_WATER_MARK, config.getLowWaterMark().toString());
    }
    if (config.hasPointsPerWeight()) {
        map.put(PropertyKeys.HTTP_LB_STRATEGY_PROPERTIES_POINTS_PER_WEIGHT, config.getPointsPerWeight().toString());
    }
    if (config.hasUpdateIntervalMs()) {
        map.put(PropertyKeys.HTTP_LB_STRATEGY_PROPERTIES_UPDATE_INTERVAL_MS, config.getUpdateIntervalMs().toString());
    }
    if (config.hasMinCallCountHighWaterMark()) {
        map.put(PropertyKeys.HTTP_LB_CLUSTER_MIN_CALL_COUNT_HIGH_WATER_MARK, config.getMinCallCountHighWaterMark().toString());
    }
    if (config.hasHashRingPointCleanupRate()) {
        map.put(PropertyKeys.HTTP_LB_HASHRING_POINT_CLEANUP_RATE, config.getHashRingPointCleanupRate().toString());
    }
    if (config.hasMinCallCountLowWaterMark()) {
        map.put(PropertyKeys.HTTP_LB_CLUSTER_MIN_CALL_COUNT_LOW_WATER_MARK, config.getMinCallCountLowWaterMark().toString());
    }
    if (config.hasHashMethod()) {
        switch(config.getHashMethod()) {
            case RANDOM:
                map.put(PropertyKeys.HTTP_LB_HASH_METHOD, DegraderLoadBalancerStrategyV3.HASH_METHOD_NONE);
                break;
            case URI_REGEX:
                map.put(PropertyKeys.HTTP_LB_HASH_METHOD, DegraderLoadBalancerStrategyV3.HASH_METHOD_URI_REGEX);
                break;
            default:
                // default to random hash method.
                map.put(PropertyKeys.HTTP_LB_HASH_METHOD, DegraderLoadBalancerStrategyV3.HASH_METHOD_NONE);
        }
    }
    if (config.hasHashConfig()) {
        hashConfigType hashConfig = config.getHashConfig();
        Map<String, Object> hashConfigProperties = new HashMap<>();
        if (hashConfig.hasUriRegexes()) {
            hashConfigProperties.put(URIRegexHash.KEY_REGEXES, hashConfig.getUriRegexes().stream().collect(Collectors.toList()));
        }
        if (hashConfig.hasFailOnNoMatch()) {
            hashConfigProperties.put(URIRegexHash.KEY_FAIL_ON_NO_MATCH, hashConfig.isFailOnNoMatch().toString());
        }
        if (hashConfig.hasWarnOnNoMatch()) {
            hashConfigProperties.put(URIRegexHash.KEY_WARN_ON_NO_MATCH, hashConfig.isWarnOnNoMatch().toString());
        }
        map.put(PropertyKeys.HTTP_LB_HASH_CONFIG, hashConfigProperties);
    }
    if (config.hasUpdateOnlyAtInterval()) {
        map.put(PropertyKeys.HTTP_LB_STRATEGY_PROPERTIES_UPDATE_ONLY_AT_INTERVAL, config.isUpdateOnlyAtInterval().toString());
    }
    if (config.hasConsistentHashAlgorithm()) {
        switch(config.getConsistentHashAlgorithm()) {
            case MULTI_PROBE:
                map.put(PropertyKeys.HTTP_LB_CONSISTENT_HASH_ALGORITHM, DegraderRingFactory.MULTI_PROBE_CONSISTENT_HASH);
                break;
            case POINT_BASED:
                map.put(PropertyKeys.HTTP_LB_CONSISTENT_HASH_ALGORITHM, DegraderRingFactory.POINT_BASED_CONSISTENT_HASH);
                break;
        }
    }
    if (config.hasNumberOfProbes()) {
        map.put(PropertyKeys.HTTP_LB_CONSISTENT_HASH_NUM_PROBES, config.getNumberOfProbes().toString());
    }
    if (config.hasQuarantineCfg()) {
        quarantineInfo quarantineInfo = config.getQuarantineCfg();
        if (quarantineInfo.hasQuarantineMaxPercent()) {
            map.put(PropertyKeys.HTTP_LB_QUARANTINE_MAX_PERCENT, quarantineInfo.getQuarantineMaxPercent().toString());
        }
        if (quarantineInfo.hasQuarantineMethod()) {
            map.put(PropertyKeys.HTTP_LB_QUARANTINE_METHOD, quarantineInfo.getQuarantineMethod().toString());
        }
        if (quarantineInfo.hasQuarantineLatency()) {
            map.put(PropertyKeys.HTTP_LB_QUARANTINE_LATENCY, quarantineInfo.getQuarantineLatency().toString());
        }
    }
    if (config.hasErrorStatusRegex()) {
        map.put(PropertyKeys.HTTP_LB_ERROR_STATUS_REGEX, config.getErrorStatusRegex());
    }
    return map;
}

Example 2 with D2LoadBalancerStrategyProperties

use of com.linkedin.d2.D2LoadBalancerStrategyProperties in project rest.li by linkedin.

the class LoadBalancerStrategyPropertiesConverter method toConfig.

@SuppressWarnings({ "unchecked" })
public static D2LoadBalancerStrategyProperties toConfig(Map<String, Object> properties) {
    D2LoadBalancerStrategyProperties config = new D2LoadBalancerStrategyProperties();
    if (properties.containsKey(PropertyKeys.HTTP_LB_GLOBAL_STEP_DOWN)) {
        config.setGlobalStepDown(coerce(properties.get(PropertyKeys.HTTP_LB_GLOBAL_STEP_DOWN), Double.class));
    }
    if (properties.containsKey(PropertyKeys.HTTP_LB_GLOBAL_STEP_UP)) {
        config.setGlobalStepUp(coerce(properties.get(PropertyKeys.HTTP_LB_GLOBAL_STEP_UP), Double.class));
    }
    if (properties.containsKey(PropertyKeys.HTTP_LB_INITIAL_RECOVERY_LEVEL)) {
        config.setInitialRecoveryLevel(coerce(properties.get(PropertyKeys.HTTP_LB_INITIAL_RECOVERY_LEVEL), Double.class));
    }
    if (properties.containsKey(PropertyKeys.HTTP_LB_RING_RAMP_FACTOR)) {
        config.setRingRampFactor(coerce(properties.get(PropertyKeys.HTTP_LB_RING_RAMP_FACTOR), Double.class));
    }
    if (properties.containsKey(PropertyKeys.HTTP_LB_HIGH_WATER_MARK)) {
        config.setHighWaterMark(coerce(properties.get(PropertyKeys.HTTP_LB_HIGH_WATER_MARK), Double.class));
    }
    if (properties.containsKey(PropertyKeys.HTTP_LB_LOW_WATER_MARK)) {
        config.setLowWaterMark(coerce(properties.get(PropertyKeys.HTTP_LB_LOW_WATER_MARK), Double.class));
    }
    if (properties.containsKey(PropertyKeys.HTTP_LB_STRATEGY_PROPERTIES_POINTS_PER_WEIGHT)) {
        config.setPointsPerWeight(coerce(properties.get(PropertyKeys.HTTP_LB_STRATEGY_PROPERTIES_POINTS_PER_WEIGHT), Integer.class));
    }
    if (properties.containsKey(PropertyKeys.HTTP_LB_STRATEGY_PROPERTIES_UPDATE_INTERVAL_MS)) {
        config.setUpdateIntervalMs(coerce(properties.get(PropertyKeys.HTTP_LB_STRATEGY_PROPERTIES_UPDATE_INTERVAL_MS), Long.class));
    }
    if (properties.containsKey(PropertyKeys.HTTP_LB_CLUSTER_MIN_CALL_COUNT_HIGH_WATER_MARK)) {
        config.setMinCallCountHighWaterMark(coerce(properties.get(PropertyKeys.HTTP_LB_CLUSTER_MIN_CALL_COUNT_HIGH_WATER_MARK), Long.class));
    }
    if (properties.containsKey(PropertyKeys.HTTP_LB_CLUSTER_MIN_CALL_COUNT_LOW_WATER_MARK)) {
        config.setMinCallCountLowWaterMark(coerce(properties.get(PropertyKeys.HTTP_LB_CLUSTER_MIN_CALL_COUNT_LOW_WATER_MARK), Long.class));
    }
    if (properties.containsKey(PropertyKeys.HTTP_LB_HASHRING_POINT_CLEANUP_RATE)) {
        config.setHashRingPointCleanupRate(coerce(properties.get(PropertyKeys.HTTP_LB_HASHRING_POINT_CLEANUP_RATE), Double.class));
    }
    if (properties.containsKey(PropertyKeys.HTTP_LB_HASH_METHOD)) {
        String hashMethodString = coerce(properties.get(PropertyKeys.HTTP_LB_HASH_METHOD), String.class);
        if (DegraderLoadBalancerStrategyV3.HASH_METHOD_NONE.equalsIgnoreCase(hashMethodString)) {
            config.setHashMethod(hashMethodEnum.RANDOM);
        } else if (DegraderLoadBalancerStrategyV3.HASH_METHOD_URI_REGEX.equalsIgnoreCase(hashMethodString)) {
            config.setHashMethod(hashMethodEnum.URI_REGEX);
        }
    }
    if (properties.containsKey(PropertyKeys.HTTP_LB_HASH_CONFIG)) {
        hashConfigType hashConfig = new hashConfigType();
        Map<String, Object> hashConfigProperties = (Map<String, Object>) properties.get(PropertyKeys.HTTP_LB_HASH_CONFIG);
        if (hashConfigProperties.containsKey(URIRegexHash.KEY_REGEXES)) {
            List<String> uriRegexes = (List<String>) hashConfigProperties.get(URIRegexHash.KEY_REGEXES);
            hashConfig.setUriRegexes(new StringArray(uriRegexes));
        }
        if (hashConfigProperties.containsKey(URIRegexHash.KEY_WARN_ON_NO_MATCH)) {
            String warnOnNoMatchString = (String) hashConfigProperties.get(URIRegexHash.KEY_WARN_ON_NO_MATCH);
            hashConfig.setWarnOnNoMatch(Boolean.parseBoolean(warnOnNoMatchString));
        }
        if (hashConfigProperties.containsKey(URIRegexHash.KEY_FAIL_ON_NO_MATCH)) {
            String failOnNoMatchString = (String) hashConfigProperties.get(URIRegexHash.KEY_FAIL_ON_NO_MATCH);
            hashConfig.setFailOnNoMatch(Boolean.parseBoolean(failOnNoMatchString));
        }
        config.setHashConfig(hashConfig);
    }
    if (properties.containsKey(PropertyKeys.HTTP_LB_STRATEGY_PROPERTIES_UPDATE_ONLY_AT_INTERVAL)) {
        config.setUpdateOnlyAtInterval(coerce(properties.get(PropertyKeys.HTTP_LB_STRATEGY_PROPERTIES_UPDATE_ONLY_AT_INTERVAL), Boolean.class));
    }
    if (properties.containsKey(PropertyKeys.HTTP_LB_CONSISTENT_HASH_ALGORITHM)) {
        String consistentHashAlgorithm = coerce(properties.get(PropertyKeys.HTTP_LB_CONSISTENT_HASH_ALGORITHM), String.class);
        if (DegraderRingFactory.POINT_BASED_CONSISTENT_HASH.equalsIgnoreCase(consistentHashAlgorithm)) {
            config.setConsistentHashAlgorithm(ConsistentHashAlgorithmEnum.POINT_BASED);
        } else if (DegraderRingFactory.MULTI_PROBE_CONSISTENT_HASH.equalsIgnoreCase(consistentHashAlgorithm)) {
            config.setConsistentHashAlgorithm(ConsistentHashAlgorithmEnum.MULTI_PROBE);
        }
    }
    if (properties.containsKey(PropertyKeys.HTTP_LB_CONSISTENT_HASH_NUM_PROBES)) {
        config.setNumberOfProbes(coerce(properties.get(PropertyKeys.HTTP_LB_CONSISTENT_HASH_NUM_PROBES), Integer.class));
    }
    if (properties.containsKey(PropertyKeys.HTTP_LB_QUARANTINE_MAX_PERCENT) || properties.containsKey(PropertyKeys.HTTP_LB_QUARANTINE_METHOD) || properties.containsKey(PropertyKeys.HTTP_LB_QUARANTINE_LATENCY)) {
        quarantineInfo quarantineInfo = new quarantineInfo();
        if (properties.containsKey(PropertyKeys.HTTP_LB_QUARANTINE_MAX_PERCENT)) {
            quarantineInfo.setQuarantineMaxPercent(coerce(properties.get(PropertyKeys.HTTP_LB_QUARANTINE_MAX_PERCENT), Double.class));
        }
        if (properties.containsKey(PropertyKeys.HTTP_LB_QUARANTINE_METHOD)) {
            quarantineInfo.setQuarantineMethod(coerce(properties.get(PropertyKeys.HTTP_LB_QUARANTINE_METHOD), String.class));
        }
        if (properties.containsKey(PropertyKeys.HTTP_LB_QUARANTINE_LATENCY)) {
            quarantineInfo.setQuarantineLatency(coerce(properties.get(PropertyKeys.HTTP_LB_QUARANTINE_LATENCY), Long.class));
        }
        config.setQuarantineCfg(quarantineInfo);
    }
    if (properties.containsKey(PropertyKeys.HTTP_LB_ERROR_STATUS_REGEX)) {
        config.setErrorStatusRegex(coerce(properties.get(PropertyKeys.HTTP_LB_ERROR_STATUS_REGEX), String.class));
    }
    return config;
}

Example 3 with D2LoadBalancerStrategyProperties

use of com.linkedin.d2.D2LoadBalancerStrategyProperties in project rest.li by linkedin.

the class LoadBalancerStrategyPropertiesConverterTest method testLoadBalancerStrategyPropertiesConverter.

@Test
public void testLoadBalancerStrategyPropertiesConverter() {
    final Double globalStepDown = 0.4;
    final Double globalStepUp = 0.3;
    final Double recoveryLevel = 1.0;
    final Double ringRampFactor = 0.01;
    final Double highWaterMark = 1000d;
    final Double lowWaterMark = 500d;
    final Integer pointsPerWeight = 100;
    final Long updateIntervalMs = 50000l;
    final Integer minCallCountHighWaterMark = 3000;
    final Integer minCallCountLowWaterMark = 1500;
    final hashMethodEnum hashMethod = hashMethodEnum.URI_REGEX;
    final hashConfigType hashConfig = new hashConfigType();
    final StringArray regexes = new StringArray();
    final Double hashringPointCleanupRate = 0.2;
    final ConsistentHashAlgorithmEnum consistentHashAlgorithm = ConsistentHashAlgorithmEnum.MULTI_PROBE;
    final Integer numProbes = 1024;
    final Double quarantineMaxPercent = 0.2;
    final String quarantineMethod = "OPTIONS:/test/path";
    final Long quarantineLatency = 200l;
    final quarantineInfo quarantineInfo = new quarantineInfo().setQuarantineMaxPercent(quarantineMaxPercent).setQuarantineMethod(quarantineMethod).setQuarantineLatency(quarantineLatency);
    final String errorStatusRegex = "(5..)";
    regexes.add("+231{w+)");
    hashConfig.setUriRegexes(regexes);
    hashConfig.setWarnOnNoMatch(false);
    hashConfig.setFailOnNoMatch(true);
    Map<String, Object> loadBalancerStrategyProperties = new HashMap<>();
    loadBalancerStrategyProperties.put(PropertyKeys.HTTP_LB_GLOBAL_STEP_DOWN, globalStepDown.toString());
    loadBalancerStrategyProperties.put(PropertyKeys.HTTP_LB_GLOBAL_STEP_UP, globalStepUp.toString());
    loadBalancerStrategyProperties.put(PropertyKeys.HTTP_LB_INITIAL_RECOVERY_LEVEL, recoveryLevel.toString());
    loadBalancerStrategyProperties.put(PropertyKeys.HTTP_LB_RING_RAMP_FACTOR, ringRampFactor.toString());
    loadBalancerStrategyProperties.put(PropertyKeys.HTTP_LB_HIGH_WATER_MARK, highWaterMark.toString());
    loadBalancerStrategyProperties.put(PropertyKeys.HTTP_LB_LOW_WATER_MARK, lowWaterMark.toString());
    loadBalancerStrategyProperties.put(PropertyKeys.HTTP_LB_STRATEGY_PROPERTIES_POINTS_PER_WEIGHT, pointsPerWeight.toString());
    loadBalancerStrategyProperties.put(PropertyKeys.HTTP_LB_STRATEGY_PROPERTIES_UPDATE_INTERVAL_MS, updateIntervalMs.toString());
    loadBalancerStrategyProperties.put(PropertyKeys.HTTP_LB_CLUSTER_MIN_CALL_COUNT_HIGH_WATER_MARK, minCallCountHighWaterMark.toString());
    loadBalancerStrategyProperties.put(PropertyKeys.HTTP_LB_CLUSTER_MIN_CALL_COUNT_LOW_WATER_MARK, minCallCountLowWaterMark.toString());
    loadBalancerStrategyProperties.put(PropertyKeys.HTTP_LB_HASH_METHOD, DegraderLoadBalancerStrategyV3.HASH_METHOD_URI_REGEX);
    loadBalancerStrategyProperties.put(PropertyKeys.HTTP_LB_HASHRING_POINT_CLEANUP_RATE, hashringPointCleanupRate.toString());
    loadBalancerStrategyProperties.put(PropertyKeys.HTTP_LB_CONSISTENT_HASH_ALGORITHM, DegraderRingFactory.MULTI_PROBE_CONSISTENT_HASH);
    loadBalancerStrategyProperties.put(PropertyKeys.HTTP_LB_CONSISTENT_HASH_NUM_PROBES, numProbes.toString());
    Map<String, Object> hashConfigMap = new HashMap<>();
    hashConfigMap.put(URIRegexHash.KEY_REGEXES, regexes.stream().collect(Collectors.toList()));
    hashConfigMap.put(URIRegexHash.KEY_WARN_ON_NO_MATCH, "false");
    hashConfigMap.put(URIRegexHash.KEY_FAIL_ON_NO_MATCH, "true");
    loadBalancerStrategyProperties.put(PropertyKeys.HTTP_LB_HASH_CONFIG, hashConfigMap);
    loadBalancerStrategyProperties.put(PropertyKeys.HTTP_LB_QUARANTINE_MAX_PERCENT, quarantineMaxPercent.toString());
    loadBalancerStrategyProperties.put(PropertyKeys.HTTP_LB_QUARANTINE_METHOD, quarantineMethod);
    loadBalancerStrategyProperties.put(PropertyKeys.HTTP_LB_QUARANTINE_LATENCY, quarantineLatency.toString());
    loadBalancerStrategyProperties.put(PropertyKeys.HTTP_LB_ERROR_STATUS_REGEX, errorStatusRegex);
    D2LoadBalancerStrategyProperties d2LoadBalancerStrategyProperties = new D2LoadBalancerStrategyProperties().setGlobalStepDown(globalStepDown).setGlobalStepUp(globalStepUp).setInitialRecoveryLevel(recoveryLevel).setRingRampFactor(ringRampFactor).setHighWaterMark(highWaterMark).setLowWaterMark(lowWaterMark).setPointsPerWeight(pointsPerWeight).setUpdateIntervalMs(updateIntervalMs).setMinCallCountHighWaterMark(minCallCountHighWaterMark).setMinCallCountLowWaterMark(minCallCountLowWaterMark).setHashMethod(hashMethod).setHashConfig(hashConfig).setHashRingPointCleanupRate(hashringPointCleanupRate).setConsistentHashAlgorithm(consistentHashAlgorithm).setNumberOfProbes(numProbes).setQuarantineCfg(quarantineInfo).setErrorStatusRegex(errorStatusRegex);
    Assert.assertEquals(LoadBalancerStrategyPropertiesConverter.toConfig(loadBalancerStrategyProperties), d2LoadBalancerStrategyProperties);
    Assert.assertEquals(LoadBalancerStrategyPropertiesConverter.toProperties(d2LoadBalancerStrategyProperties), loadBalancerStrategyProperties);
}