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

Example 1 with HashConfig

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

the class DegraderLoadBalancerStrategyV3 method setConfig.

public void setConfig(DegraderLoadBalancerStrategyConfig config) {
    _config = config;
    String hashMethod = _config.getHashMethod();
    Map<String, Object> hashConfig = _config.getHashConfig();
    if (hashMethod == null || hashMethod.equals(HASH_METHOD_NONE)) {
        _hashFunction = new RandomHash();
    } else if (HASH_METHOD_URI_REGEX.equals(hashMethod)) {
        _hashFunction = new URIRegexHash(hashConfig);
    } else {
        _log.warn("Unknown hash method {}, falling back to random", hashMethod);
        _hashFunction = new RandomHash();
    }
}

Example 2 with HashConfig

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

the class DegraderLoadBalancerStrategyV2_1 method setConfig.

public void setConfig(DegraderLoadBalancerStrategyConfig config) {
    _config = config;
    String hashMethod = _config.getHashMethod();
    Map<String, Object> hashConfig = _config.getHashConfig();
    if (hashMethod == null || hashMethod.equals(HASH_METHOD_NONE)) {
        _hashFunction = new RandomHash();
    } else if (HASH_METHOD_URI_REGEX.equals(hashMethod)) {
        _hashFunction = new URIRegexHash(hashConfig);
    } else {
        _log.warn("Unknown hash method {}, falling back to random", hashMethod);
        _hashFunction = new RandomHash();
    }
}

Example 3 with HashConfig

use of com.linkedin.d2.HashConfig 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 (DelegatingRingFactory.POINT_BASED_CONSISTENT_HASH.equalsIgnoreCase(consistentHashAlgorithm)) {
            config.setConsistentHashAlgorithm(ConsistentHashAlgorithmEnum.POINT_BASED);
        } else if (DelegatingRingFactory.MULTI_PROBE_CONSISTENT_HASH.equalsIgnoreCase(consistentHashAlgorithm)) {
            config.setConsistentHashAlgorithm(ConsistentHashAlgorithmEnum.MULTI_PROBE);
        } else if (DelegatingRingFactory.DISTRIBUTION_NON_HASH.equalsIgnoreCase(consistentHashAlgorithm)) {
            config.setConsistentHashAlgorithm(ConsistentHashAlgorithmEnum.DISTRIBUTION_BASED);
        }
    }
    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_CONSISTENT_HASH_POINTS_PER_HOST)) {
        config.setNumberOfPointsPerHost(coerce(properties.get(PropertyKeys.HTTP_LB_CONSISTENT_HASH_POINTS_PER_HOST), Integer.class));
    }
    if (properties.containsKey(PropertyKeys.HTTP_LB_CONSISTENT_HASH_BOUNDED_LOAD_BALANCING_FACTOR)) {
        config.setBoundedLoadBalancingFactor(coerce(properties.get(PropertyKeys.HTTP_LB_CONSISTENT_HASH_BOUNDED_LOAD_BALANCING_FACTOR), Double.class));
    }
    if (properties.containsKey(PropertyKeys.HTTP_LB_QUARANTINE_MAX_PERCENT) || properties.containsKey(PropertyKeys.HTTP_LB_QUARANTINE_METHOD)) {
        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));
        }
        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));
    }
    if (properties.containsKey(PropertyKeys.HTTP_LB_LOW_EVENT_EMITTING_INTERVAL)) {
        config.setLowEmittingInterval(coerce(properties.get(PropertyKeys.HTTP_LB_LOW_EVENT_EMITTING_INTERVAL), Integer.class));
    }
    if (properties.containsKey(PropertyKeys.HTTP_LB_HIGH_EVENT_EMITTING_INTERVAL)) {
        config.setHighEmittingInterval(coerce(properties.get(PropertyKeys.HTTP_LB_HIGH_EVENT_EMITTING_INTERVAL), Integer.class));
    }
    return config;
}

Example 4 with HashConfig

use of com.linkedin.d2.HashConfig 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, DelegatingRingFactory.MULTI_PROBE_CONSISTENT_HASH);
                break;
            case POINT_BASED:
                map.put(PropertyKeys.HTTP_LB_CONSISTENT_HASH_ALGORITHM, DelegatingRingFactory.POINT_BASED_CONSISTENT_HASH);
                break;
            case DISTRIBUTION_BASED:
                map.put(PropertyKeys.HTTP_LB_CONSISTENT_HASH_ALGORITHM, DelegatingRingFactory.DISTRIBUTION_NON_HASH);
        }
    }
    if (config.hasNumberOfProbes()) {
        map.put(PropertyKeys.HTTP_LB_CONSISTENT_HASH_NUM_PROBES, config.getNumberOfProbes().toString());
    }
    if (config.hasNumberOfPointsPerHost()) {
        map.put(PropertyKeys.HTTP_LB_CONSISTENT_HASH_POINTS_PER_HOST, config.getNumberOfPointsPerHost().toString());
    }
    if (config.hasBoundedLoadBalancingFactor()) {
        map.put(PropertyKeys.HTTP_LB_CONSISTENT_HASH_BOUNDED_LOAD_BALANCING_FACTOR, config.getBoundedLoadBalancingFactor().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 (config.hasErrorStatusRegex()) {
        map.put(PropertyKeys.HTTP_LB_ERROR_STATUS_REGEX, config.getErrorStatusRegex());
    }
    if (config.hasLowEmittingInterval()) {
        map.put(PropertyKeys.HTTP_LB_LOW_EVENT_EMITTING_INTERVAL, config.getLowEmittingInterval().toString());
    }
    if (config.hasHighEmittingInterval()) {
        map.put(PropertyKeys.HTTP_LB_HIGH_EVENT_EMITTING_INTERVAL, config.getHighEmittingInterval().toString());
    }
    return map;
}

Example 5 with HashConfig

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

the class RelativeStrategyPropertiesConverter method toHashConfig.

@SuppressWarnings({ "unchecked" })
private static HashConfig toHashConfig(Map<String, Object> hashConfigMap) {
    HashConfig hashConfig = new HashConfig();
    if (hashConfigMap.containsKey(URIRegexHash.KEY_REGEXES)) {
        List<String> uriRegexes = (List<String>) hashConfigMap.get(URIRegexHash.KEY_REGEXES);
        hashConfig.setUriRegexes(new StringArray(uriRegexes));
    }
    if (hashConfigMap.containsKey(URIRegexHash.KEY_WARN_ON_NO_MATCH)) {
        String warnOnNoMatchString = (String) hashConfigMap.get(URIRegexHash.KEY_WARN_ON_NO_MATCH);
        hashConfig.setWarnOnNoMatch(Boolean.parseBoolean(warnOnNoMatchString));
    }
    if (hashConfigMap.containsKey(URIRegexHash.KEY_FAIL_ON_NO_MATCH)) {
        String failOnNoMatchString = (String) hashConfigMap.get(URIRegexHash.KEY_FAIL_ON_NO_MATCH);
        hashConfig.setFailOnNoMatch(Boolean.parseBoolean(failOnNoMatchString));
    }
    return hashConfig;
}