flyingzhang/promql_java_client

java client for prometheus http api

Prometheus Query API Java Client Usage

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Build API URL

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RangeQuery

	RangeQueryBuilder rangeQueryBuilder =  QueryBuilderType.RangeQuery.newInstance(TARGET_SERVER);
	URI targetUri = rangeQueryBuilder.withQuery("irate(received_api_call_total[60s])")
		                 .withStartEpochTime(System.currentTimeMillis() / 1000 - 60*10)
		                 .withEndEpochTime(System.currentTimeMillis() / 1000)
		                 .withStepTime("60s")
		                 .build();

InstantQuery

	InstantQueryBuilder iqb = QueryBuilderType.InstantQuery.newInstance(TARGET_SERVER);
	URI targetUri = iqb.withQuery("irate(received_api_call_total[60s])").build();

LabelQuery

	LabelMetaQueryBuilder lmqb = QueryBuilderType.LabelMetadaQuery.newInstance(TARGET_SERVER);
	URI targetUri = lmqb.withLabel("pod").build();

Statuc(Config)Query

	StatusMetaQueryBuilder smqb = QueryBuilderType.StatusMetadaQuery.newInstance(TARGET_SERVER);
	URI targetUri = smqb.build();

TargetQuery

	TargetMetaQueryBuilder tmqb = QueryBuilderType.TargetMetadaQuery.newInstance(TARGET_SERVER);
	URI targetUri = tmqb.build();

AlertManagerQuery

	AlertManagerMetaQueryBuilder ammqb = QueryBuilderType.AlertManagerMetadaQuery.newInstance(TARGET_SERVER);
	URI targetUri = ammqb.build();

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Parse Result

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Parse Matrix Type Query Result

       DefaultQueryResult<MatrixData> result = ConvertUtil.convertQueryResultString(rtVal);

Parse Vector Type Query Result

       DefaultQueryResult<VectorData> result = ConvertUtil.convertQueryResultString(rtVal);

Parse Scalar Type Query Result

       DefaultQueryResult<ScalaData> result = ConvertUtil.convertQueryResultString(rtVal);

Parse Label API Result

       DefaultLabelResult result = ConvertUtil.convertLabelResultString(rtVal);

Parse Status(Config) API Result

       DefaultConfigResult result = ConvertUtil.convertConfigResultString(rtVal);

Parse Targets API Result

       DefaultTargetResult result = ConvertUtil.convertTargetResultString(rtVal);

Parse AlertManager API Result

       DefaultAlertManagerResult result = ConvertUtil.convertAlertManagerResultString(rtVal);