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Add prometheus protobufs.

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Vitaly Baranov 2024-02-18 12:44:52 +01:00
parent e0ff544bd0
commit e428542b2e
12 changed files with 706 additions and 0 deletions
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2
contrib/CMakeLists.txt vendored
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@ -228,6 +228,8 @@ add_contrib (ulid-c-cmake ulid-c)
add_contrib (libssh-cmake libssh)
add_contrib (prometheus-protobufs-cmake prometheus-protobufs prometheus-protobufs-gogo)
# Put all targets defined here and in subdirectories under "contrib/<immediate-subdir>" folders in GUI-based IDEs.
# Some of third-party projects may override CMAKE_FOLDER or FOLDER property of their targets, so they would not appear
# in "contrib/..." as originally planned, so we workaround this by fixing FOLDER properties of all targets manually,

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contrib/prometheus-protobufs-cmake/CMakeLists.txt Normal file
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option(ENABLE_PROMETHEUS_PROTOBUFS "Enable Prometheus Protobufs" ${ENABLE_PROTOBUF})
if(NOT ENABLE_PROMETHEUS_PROTOBUFS)
message(STATUS "Not using prometheus-protobufs")
return()
endif()
set(Protobuf_INCLUDE_DIR "${ClickHouse_SOURCE_DIR}/contrib/google-protobuf/src")
set(Prometheus_INCLUDE_DIR "${ClickHouse_SOURCE_DIR}/contrib/prometheus-protobufs")
set(GogoProto_INCLUDE_DIR "${ClickHouse_SOURCE_DIR}/contrib/prometheus-protobufs-gogo")
# Protobuf_IMPORT_DIRS specify where the protobuf compiler will look for .proto files.
set(Old_Protobuf_IMPORT_DIRS ${Protobuf_IMPORT_DIRS})
list(APPEND Protobuf_IMPORT_DIRS "${Protobuf_INCLUDE_DIR}" "${Prometheus_INCLUDE_DIR}" "${GogoProto_INCLUDE_DIR}")
PROTOBUF_GENERATE_CPP(prometheus_protobufs_sources prometheus_protobufs_headers
"prompb/remote.proto"
"prompb/types.proto"
"gogoproto/gogo.proto"
)
set(Protobuf_IMPORT_DIRS ${Old_Protobuf_IMPORT_DIRS})
# Ignore warnings while compiling protobuf-generated *.pb.h and *.pb.cpp files.
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -w")
# Disable clang-tidy for protobuf-generated *.pb.h and *.pb.cpp files.
set (CMAKE_CXX_CLANG_TIDY "")
add_library(_prometheus_protobufs ${prometheus_protobufs_sources} ${prometheus_protobufs_headers})
target_include_directories(_prometheus_protobufs SYSTEM PUBLIC "${CMAKE_CURRENT_BINARY_DIR}")
target_link_libraries (_prometheus_protobufs PUBLIC ch_contrib::protobuf)
add_library (ch_contrib::prometheus_protobufs ALIAS _prometheus_protobufs)

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contrib/prometheus-protobufs-gogo/LICENSE Normal file
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Copyright (c) 2022, The Cosmos SDK Authors. All rights reserved.
Copyright (c) 2013, The GoGo Authors. All rights reserved.
Protocol Buffers for Go with Gadgets
Go support for Protocol Buffers - Google's data interchange format
Copyright 2010 The Go Authors. All rights reserved.
https://github.com/golang/protobuf
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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File "gogoproto/gogo.proto" was downloaded from the "Protocol Buffers for Go with Gadgets" project:
https://github.com/cosmos/gogoproto/blob/main/gogoproto/gogo.proto
File "gogoproto/gogo.proto" is used in ClickHouse to compile prometheus protobufs.

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contrib/prometheus-protobufs-gogo/gogoproto/gogo.proto Normal file
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// Protocol Buffers for Go with Gadgets
//
// Copyright (c) 2013, The GoGo Authors. All rights reserved.
// http://github.com/cosmos/gogoproto
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
syntax = "proto2";
package gogoproto;
import "google/protobuf/descriptor.proto";
option java_package = "com.google.protobuf";
option java_outer_classname = "GoGoProtos";
option go_package = "github.com/cosmos/gogoproto/gogoproto";
extend google.protobuf.EnumOptions {
optional bool goproto_enum_prefix = 62001;
optional bool goproto_enum_stringer = 62021;
optional bool enum_stringer = 62022;
optional string enum_customname = 62023;
optional bool enumdecl = 62024;
}
extend google.protobuf.EnumValueOptions {
optional string enumvalue_customname = 66001;
}
extend google.protobuf.FileOptions {
optional bool goproto_getters_all = 63001;
optional bool goproto_enum_prefix_all = 63002;
optional bool goproto_stringer_all = 63003;
optional bool verbose_equal_all = 63004;
optional bool face_all = 63005;
optional bool gostring_all = 63006;
optional bool populate_all = 63007;
optional bool stringer_all = 63008;
optional bool onlyone_all = 63009;
optional bool equal_all = 63013;
optional bool description_all = 63014;
optional bool testgen_all = 63015;
optional bool benchgen_all = 63016;
optional bool marshaler_all = 63017;
optional bool unmarshaler_all = 63018;
optional bool stable_marshaler_all = 63019;
optional bool sizer_all = 63020;
optional bool goproto_enum_stringer_all = 63021;
optional bool enum_stringer_all = 63022;
optional bool unsafe_marshaler_all = 63023;
optional bool unsafe_unmarshaler_all = 63024;
optional bool goproto_extensions_map_all = 63025;
optional bool goproto_unrecognized_all = 63026;
optional bool gogoproto_import = 63027;
optional bool protosizer_all = 63028;
optional bool compare_all = 63029;
optional bool typedecl_all = 63030;
optional bool enumdecl_all = 63031;
optional bool goproto_registration = 63032;
optional bool messagename_all = 63033;
optional bool goproto_sizecache_all = 63034;
optional bool goproto_unkeyed_all = 63035;
}
extend google.protobuf.MessageOptions {
optional bool goproto_getters = 64001;
optional bool goproto_stringer = 64003;
optional bool verbose_equal = 64004;
optional bool face = 64005;
optional bool gostring = 64006;
optional bool populate = 64007;
optional bool stringer = 67008;
optional bool onlyone = 64009;
optional bool equal = 64013;
optional bool description = 64014;
optional bool testgen = 64015;
optional bool benchgen = 64016;
optional bool marshaler = 64017;
optional bool unmarshaler = 64018;
optional bool stable_marshaler = 64019;
optional bool sizer = 64020;
optional bool unsafe_marshaler = 64023;
optional bool unsafe_unmarshaler = 64024;
optional bool goproto_extensions_map = 64025;
optional bool goproto_unrecognized = 64026;
optional bool protosizer = 64028;
optional bool compare = 64029;
optional bool typedecl = 64030;
optional bool messagename = 64033;
optional bool goproto_sizecache = 64034;
optional bool goproto_unkeyed = 64035;
}
extend google.protobuf.FieldOptions {
optional bool nullable = 65001;
optional bool embed = 65002;
optional string customtype = 65003;
optional string customname = 65004;
optional string jsontag = 65005;
optional string moretags = 65006;
optional string casttype = 65007;
optional string castkey = 65008;
optional string castvalue = 65009;
optional bool stdtime = 65010;
optional bool stdduration = 65011;
optional bool wktpointer = 65012;
optional string castrepeated = 65013;
}

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@ -0,0 +1,201 @@
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Files "prompb/remote.proto" and "prompb/types.proto" were downloaded from the Prometheus repository:
https://github.com/prometheus/prometheus/tree/main/prompb

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// Copyright 2016 Prometheus Team
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
syntax = "proto3";
package prometheus;
option go_package = "prompb";
import "prompb/types.proto";
import "gogoproto/gogo.proto";
message WriteRequest {
repeated prometheus.TimeSeries timeseries = 1 [(gogoproto.nullable) = false];
// Cortex uses this field to determine the source of the write request.
// We reserve it to avoid any compatibility issues.
reserved 2;
repeated prometheus.MetricMetadata metadata = 3 [(gogoproto.nullable) = false];
}
// ReadRequest represents a remote read request.
message ReadRequest {
repeated Query queries = 1;
enum ResponseType {
// Server will return a single ReadResponse message with matched series that includes list of raw samples.
// It's recommended to use streamed response types instead.
//
// Response headers:
// Content-Type: "application/x-protobuf"
// Content-Encoding: "snappy"
SAMPLES = 0;
// Server will stream a delimited ChunkedReadResponse message that
// contains XOR or HISTOGRAM(!) encoded chunks for a single series.
// Each message is following varint size and fixed size bigendian
// uint32 for CRC32 Castagnoli checksum.
//
// Response headers:
// Content-Type: "application/x-streamed-protobuf; proto=prometheus.ChunkedReadResponse"
// Content-Encoding: ""
STREAMED_XOR_CHUNKS = 1;
}
// accepted_response_types allows negotiating the content type of the response.
//
// Response types are taken from the list in the FIFO order. If no response type in `accepted_response_types` is
// implemented by server, error is returned.
// For request that do not contain `accepted_response_types` field the SAMPLES response type will be used.
repeated ResponseType accepted_response_types = 2;
}
// ReadResponse is a response when response_type equals SAMPLES.
message ReadResponse {
// In same order as the request's queries.
repeated QueryResult results = 1;
}
message Query {
int64 start_timestamp_ms = 1;
int64 end_timestamp_ms = 2;
repeated prometheus.LabelMatcher matchers = 3;
prometheus.ReadHints hints = 4;
}
message QueryResult {
// Samples within a time series must be ordered by time.
repeated prometheus.TimeSeries timeseries = 1;
}
// ChunkedReadResponse is a response when response_type equals STREAMED_XOR_CHUNKS.
// We strictly stream full series after series, optionally split by time. This means that a single frame can contain
// partition of the single series, but once a new series is started to be streamed it means that no more chunks will
// be sent for previous one. Series are returned sorted in the same way TSDB block are internally.
message ChunkedReadResponse {
repeated prometheus.ChunkedSeries chunked_series = 1;
// query_index represents an index of the query from ReadRequest.queries these chunks relates to.
int64 query_index = 2;
}

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// Copyright 2017 Prometheus Team
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
syntax = "proto3";
package prometheus;
option go_package = "prompb";
import "gogoproto/gogo.proto";
message MetricMetadata {
enum MetricType {
UNKNOWN = 0;
COUNTER = 1;
GAUGE = 2;
HISTOGRAM = 3;
GAUGEHISTOGRAM = 4;
SUMMARY = 5;
INFO = 6;
STATESET = 7;
}
// Represents the metric type, these match the set from Prometheus.
// Refer to github.com/prometheus/common/model/metadata.go for details.
MetricType type = 1;
string metric_family_name = 2;
string help = 4;
string unit = 5;
}
message Sample {
double value = 1;
// timestamp is in ms format, see model/timestamp/timestamp.go for
// conversion from time.Time to Prometheus timestamp.
int64 timestamp = 2;
}
message Exemplar {
// Optional, can be empty.
repeated Label labels = 1 [(gogoproto.nullable) = false];
double value = 2;
// timestamp is in ms format, see model/timestamp/timestamp.go for
// conversion from time.Time to Prometheus timestamp.
int64 timestamp = 3;
}
// A native histogram, also known as a sparse histogram.
// Original design doc:
// https://docs.google.com/document/d/1cLNv3aufPZb3fNfaJgdaRBZsInZKKIHo9E6HinJVbpM/edit
// The appendix of this design doc also explains the concept of float
// histograms. This Histogram message can represent both, the usual
// integer histogram as well as a float histogram.
message Histogram {
enum ResetHint {
UNKNOWN = 0; // Need to test for a counter reset explicitly.
YES = 1; // This is the 1st histogram after a counter reset.
NO = 2; // There was no counter reset between this and the previous Histogram.
GAUGE = 3; // This is a gauge histogram where counter resets don't happen.
}
oneof count { // Count of observations in the histogram.
uint64 count_int = 1;
double count_float = 2;
}
double sum = 3; // Sum of observations in the histogram.
// The schema defines the bucket schema. Currently, valid numbers
// are -4 <= n <= 8. They are all for base-2 bucket schemas, where 1
// is a bucket boundary in each case, and then each power of two is
// divided into 2^n logarithmic buckets. Or in other words, each
// bucket boundary is the previous boundary times 2^(2^-n). In the
// future, more bucket schemas may be added using numbers < -4 or >
// 8.
sint32 schema = 4;
double zero_threshold = 5; // Breadth of the zero bucket.
oneof zero_count { // Count in zero bucket.
uint64 zero_count_int = 6;
double zero_count_float = 7;
}
// Negative Buckets.
repeated BucketSpan negative_spans = 8 [(gogoproto.nullable) = false];
// Use either "negative_deltas" or "negative_counts", the former for
// regular histograms with integer counts, the latter for float
// histograms.
repeated sint64 negative_deltas = 9; // Count delta of each bucket compared to previous one (or to zero for 1st bucket).
repeated double negative_counts = 10; // Absolute count of each bucket.
// Positive Buckets.
repeated BucketSpan positive_spans = 11 [(gogoproto.nullable) = false];
// Use either "positive_deltas" or "positive_counts", the former for
// regular histograms with integer counts, the latter for float
// histograms.
repeated sint64 positive_deltas = 12; // Count delta of each bucket compared to previous one (or to zero for 1st bucket).
repeated double positive_counts = 13; // Absolute count of each bucket.
ResetHint reset_hint = 14;
// timestamp is in ms format, see model/timestamp/timestamp.go for
// conversion from time.Time to Prometheus timestamp.
int64 timestamp = 15;
}
// A BucketSpan defines a number of consecutive buckets with their
// offset. Logically, it would be more straightforward to include the
// bucket counts in the Span. However, the protobuf representation is
// more compact in the way the data is structured here (with all the
// buckets in a single array separate from the Spans).
message BucketSpan {
sint32 offset = 1; // Gap to previous span, or starting point for 1st span (which can be negative).
uint32 length = 2; // Length of consecutive buckets.
}
// TimeSeries represents samples and labels for a single time series.
message TimeSeries {
// For a timeseries to be valid, and for the samples and exemplars
// to be ingested by the remote system properly, the labels field is required.
repeated Label labels = 1 [(gogoproto.nullable) = false];
repeated Sample samples = 2 [(gogoproto.nullable) = false];
repeated Exemplar exemplars = 3 [(gogoproto.nullable) = false];
repeated Histogram histograms = 4 [(gogoproto.nullable) = false];
}
message Label {
string name = 1;
string value = 2;
}
message Labels {
repeated Label labels = 1 [(gogoproto.nullable) = false];
}
// Matcher specifies a rule, which can match or set of labels or not.
message LabelMatcher {
enum Type {
EQ = 0;
NEQ = 1;
RE = 2;
NRE = 3;
}
Type type = 1;
string name = 2;
string value = 3;
}
message ReadHints {
int64 step_ms = 1; // Query step size in milliseconds.
string func = 2; // String representation of surrounding function or aggregation.
int64 start_ms = 3; // Start time in milliseconds.
int64 end_ms = 4; // End time in milliseconds.
repeated string grouping = 5; // List of label names used in aggregation.
bool by = 6; // Indicate whether it is without or by.
int64 range_ms = 7; // Range vector selector range in milliseconds.
}
// Chunk represents a TSDB chunk.
// Time range [min, max] is inclusive.
message Chunk {
int64 min_time_ms = 1;
int64 max_time_ms = 2;
// We require this to match chunkenc.Encoding.
enum Encoding {
UNKNOWN = 0;
XOR = 1;
HISTOGRAM = 2;
FLOAT_HISTOGRAM = 3;
}
Encoding type = 3;
bytes data = 4;
}
// ChunkedSeries represents single, encoded time series.
message ChunkedSeries {
// Labels should be sorted.
repeated Label labels = 1 [(gogoproto.nullable) = false];
// Chunks will be in start time order and may overlap.
repeated Chunk chunks = 2 [(gogoproto.nullable) = false];
}

4
src/CMakeLists.txt
View File

@ -607,6 +607,10 @@ if (TARGET ch_contrib::usearch)
dbms_target_link_libraries(PUBLIC ch_contrib::usearch)
endif()
if (TARGET ch_contrib::prometheus_protobufs)
dbms_target_link_libraries (PUBLIC ch_contrib::prometheus_protobufs)
endif()
if (TARGET ch_rust::skim)
dbms_target_include_directories(PRIVATE $<TARGET_PROPERTY:ch_rust::skim,INTERFACE_INCLUDE_DIRECTORIES>)
dbms_target_link_libraries(PUBLIC ch_rust::skim)

1
src/Common/config.h.in
View File

@ -63,6 +63,7 @@
#cmakedefine01 USE_BCRYPT
#cmakedefine01 USE_LIBARCHIVE
#cmakedefine01 USE_POCKETFFT
#cmakedefine01 USE_PROMETHEUS_PROTOBUFS
/// This is needed for .incbin in assembly. For some reason, include paths don't work there in presence of LTO.
/// That's why we use absolute paths.

3
src/configure_config.cmake
View File

@ -170,5 +170,8 @@ endif()
if (TARGET ch_contrib::pocketfft)
set(USE_POCKETFFT 1)
endif()
if (TARGET ch_contrib::prometheus_protobufs)
set(USE_PROMETHEUS_PROTOBUFS 1)
endif()
set(SOURCE_DIR ${PROJECT_SOURCE_DIR})