diff --git a/cmd/prometheus/main.go b/cmd/prometheus/main.go index c59295861..7d280af5e 100644 --- a/cmd/prometheus/main.go +++ b/cmd/prometheus/main.go @@ -34,6 +34,7 @@ import ( "github.com/prometheus/prometheus/retrieval" "github.com/prometheus/prometheus/rules" "github.com/prometheus/prometheus/storage" + "github.com/prometheus/prometheus/storage/fanin" "github.com/prometheus/prometheus/storage/local" "github.com/prometheus/prometheus/storage/remote" "github.com/prometheus/prometheus/web" @@ -94,12 +95,18 @@ func Main() int { remoteStorage := &remote.Storage{} sampleAppender = append(sampleAppender, remoteStorage) - reloadables = append(reloadables, remoteStorage) + remoteReader := &remote.Reader{} + reloadables = append(reloadables, remoteStorage, remoteReader) + + queryable := fanin.Queryable{ + Local: localStorage, + Remote: remoteReader, + } var ( notifier = notifier.New(&cfg.notifier) targetManager = retrieval.NewTargetManager(sampleAppender) - queryEngine = promql.NewEngine(localStorage, &cfg.queryEngine) + queryEngine = promql.NewEngine(queryable, &cfg.queryEngine) ctx, cancelCtx = context.WithCancel(context.Background()) ) diff --git a/config/config.go b/config/config.go index 2560653a3..27a61ff70 100644 --- a/config/config.go +++ b/config/config.go @@ -167,6 +167,11 @@ var ( DefaultRemoteWriteConfig = RemoteWriteConfig{ RemoteTimeout: model.Duration(30 * time.Second), } + + // DefaultRemoteReadConfig is the default remote read configuration. + DefaultRemoteReadConfig = RemoteReadConfig{ + RemoteTimeout: model.Duration(1 * time.Minute), + } ) // URL is a custom URL type that allows validation at configuration load time. @@ -205,6 +210,7 @@ type Config struct { ScrapeConfigs []*ScrapeConfig `yaml:"scrape_configs,omitempty"` RemoteWriteConfigs []*RemoteWriteConfig `yaml:"remote_write,omitempty"` + RemoteReadConfigs []*RemoteReadConfig `yaml:"remote_read,omitempty"` // Catches all undefined fields and must be empty after parsing. XXX map[string]interface{} `yaml:",inline"` @@ -1296,7 +1302,7 @@ func (re Regexp) MarshalYAML() (interface{}, error) { return nil, nil } -// RemoteWriteConfig is the configuration for remote storage. +// RemoteWriteConfig is the configuration for writing to remote storage. type RemoteWriteConfig struct { URL *URL `yaml:"url,omitempty"` RemoteTimeout model.Duration `yaml:"remote_timeout,omitempty"` @@ -1321,3 +1327,28 @@ func (c *RemoteWriteConfig) UnmarshalYAML(unmarshal func(interface{}) error) err } return nil } + +// RemoteReadConfig is the configuration for reading from remote storage. +type RemoteReadConfig struct { + URL *URL `yaml:"url,omitempty"` + RemoteTimeout model.Duration `yaml:"remote_timeout,omitempty"` + BasicAuth *BasicAuth `yaml:"basic_auth,omitempty"` + TLSConfig TLSConfig `yaml:"tls_config,omitempty"` + ProxyURL URL `yaml:"proxy_url,omitempty"` + + // Catches all undefined fields and must be empty after parsing. + XXX map[string]interface{} `yaml:",inline"` +} + +// UnmarshalYAML implements the yaml.Unmarshaler interface. +func (c *RemoteReadConfig) UnmarshalYAML(unmarshal func(interface{}) error) error { + *c = DefaultRemoteReadConfig + type plain RemoteReadConfig + if err := unmarshal((*plain)(c)); err != nil { + return err + } + if err := checkOverflow(c.XXX, "remote_read"); err != nil { + return err + } + return nil +} diff --git a/storage/fanin/fanin.go b/storage/fanin/fanin.go new file mode 100644 index 000000000..da402f9eb --- /dev/null +++ b/storage/fanin/fanin.go @@ -0,0 +1,218 @@ +// Copyright 2017 The Prometheus Authors +// 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. + +package fanin + +import ( + "sort" + "time" + + "golang.org/x/net/context" + + "github.com/prometheus/common/model" + "github.com/prometheus/prometheus/promql" + "github.com/prometheus/prometheus/storage/local" + "github.com/prometheus/prometheus/storage/metric" + "github.com/prometheus/prometheus/storage/remote" +) + +// Queryable is a local.Queryable that reads from local and remote storage. +type Queryable struct { + Local promql.Queryable + Remote *remote.Reader +} + +// Querier implements local.Queryable. +func (q Queryable) Querier() (local.Querier, error) { + localQuerier, err := q.Local.Querier() + if err != nil { + return nil, err + } + + fq := querier{ + local: localQuerier, + remotes: q.Remote.Queriers(), + } + return fq, nil +} + +type querier struct { + local local.Querier + remotes []local.Querier +} + +func (q querier) QueryRange(ctx context.Context, from, through model.Time, matchers ...*metric.LabelMatcher) ([]local.SeriesIterator, error) { + return q.query(func(q local.Querier) ([]local.SeriesIterator, error) { + return q.QueryRange(ctx, from, through, matchers...) + }) +} + +func (q querier) QueryInstant(ctx context.Context, ts model.Time, stalenessDelta time.Duration, matchers ...*metric.LabelMatcher) ([]local.SeriesIterator, error) { + return q.query(func(q local.Querier) ([]local.SeriesIterator, error) { + return q.QueryInstant(ctx, ts, stalenessDelta, matchers...) + }) +} + +func (q querier) query(qFn func(q local.Querier) ([]local.SeriesIterator, error)) ([]local.SeriesIterator, error) { + localIts, err := qFn(q.local) + if err != nil { + return nil, err + } + + if len(q.remotes) == 0 { + // Skip merge logic if there are no remote queriers. + return localIts, nil + } + + fpToIt := map[model.Fingerprint]*mergeIterator{} + + for _, it := range localIts { + fp := it.Metric().Metric.Fingerprint() + fpToIt[fp] = &mergeIterator{local: it} + } + + for _, q := range q.remotes { + its, err := qFn(q) + if err != nil { + return nil, err + } + mergeIterators(fpToIt, its) + } + + its := make([]local.SeriesIterator, 0, len(fpToIt)) + for _, it := range fpToIt { + its = append(its, it) + } + return its, nil +} + +func (q querier) MetricsForLabelMatchers(ctx context.Context, from, through model.Time, matcherSets ...metric.LabelMatchers) ([]metric.Metric, error) { + // TODO: implement querying metrics from remote storage. + return q.local.MetricsForLabelMatchers(ctx, from, through, matcherSets...) +} + +func (q querier) LastSampleForLabelMatchers(ctx context.Context, cutoff model.Time, matcherSets ...metric.LabelMatchers) (model.Vector, error) { + // TODO: implement querying last samples from remote storage. + return q.local.LastSampleForLabelMatchers(ctx, cutoff, matcherSets...) +} + +func (q querier) LabelValuesForLabelName(ctx context.Context, ln model.LabelName) (model.LabelValues, error) { + // TODO: implement querying label values from remote storage. + return q.local.LabelValuesForLabelName(ctx, ln) +} + +func (q querier) Close() error { + for _, q := range append([]local.Querier{q.local}, q.remotes...) { + if err := q.Close(); err != nil { + return err + } + } + return nil +} + +// mergeIterator is a SeriesIterator which merges query results for local and remote +// SeriesIterators. If a series has samples in a local iterator, remote samples are +// only considered before the first local sample of a series. This is to avoid things +// like downsampling on the side of the remote storage to interfere with rate(), +// irate(), etc. +type mergeIterator struct { + local local.SeriesIterator + remote []local.SeriesIterator +} + +func (mit mergeIterator) ValueAtOrBeforeTime(t model.Time) model.SamplePair { + latest := model.ZeroSamplePair + for _, it := range append(mit.remote, mit.local) { + if it == nil { + // There might not be a local iterator for every remote series. + continue + } + + v := it.ValueAtOrBeforeTime(t) + if v.Timestamp.After(latest.Timestamp) { + latest = v + } + } + return latest +} + +func (mit mergeIterator) RangeValues(interval metric.Interval) []model.SamplePair { + remoteCutoff := model.Earliest + var values []model.SamplePair + if mit.local != nil { + values = mit.local.RangeValues(interval) + if len(values) > 0 { + remoteCutoff = values[0].Timestamp + } + } + + for _, it := range mit.remote { + vs := it.RangeValues(interval) + n := sort.Search(len(vs), func(i int) bool { + return !vs[i].Timestamp.Before(remoteCutoff) + }) + values = mergeSamples(values, vs[:n]) + } + return values +} + +func (mit mergeIterator) Metric() metric.Metric { + if mit.local != nil { + return mit.local.Metric() + } + + // If there is no local iterator, there has to be at least one remote one in + // order for this iterator to have been created. + return mit.remote[0].Metric() +} + +func (mit mergeIterator) Close() { + mit.local.Close() + for _, it := range mit.remote { + it.Close() + } +} + +func mergeIterators(fpToIt map[model.Fingerprint]*mergeIterator, its []local.SeriesIterator) { + for _, it := range its { + fp := it.Metric().Metric.Fingerprint() + if fpIts, ok := fpToIt[fp]; !ok { + fpToIt[fp] = &mergeIterator{remote: []local.SeriesIterator{it}} + } else { + fpToIt[fp].remote = append(fpIts.remote, it) + } + } +} + +// mergeSamples merges two lists of sample pairs and removes duplicate +// timestamps. It assumes that both lists are sorted by timestamp. +func mergeSamples(a, b []model.SamplePair) []model.SamplePair { + result := make([]model.SamplePair, 0, len(a)+len(b)) + i, j := 0, 0 + for i < len(a) && j < len(b) { + if a[i].Timestamp < b[j].Timestamp { + result = append(result, a[i]) + i++ + } else if a[i].Timestamp > b[j].Timestamp { + result = append(result, b[j]) + j++ + } else { + result = append(result, a[i]) + i++ + j++ + } + } + result = append(result, a[i:]...) + result = append(result, b[i:]...) + return result +} diff --git a/storage/remote/client.go b/storage/remote/client.go index e5d97feda..e321200c0 100644 --- a/storage/remote/client.go +++ b/storage/remote/client.go @@ -16,6 +16,7 @@ package remote import ( "bytes" "fmt" + "io/ioutil" "net/http" "time" @@ -26,20 +27,29 @@ import ( "github.com/prometheus/common/model" "github.com/prometheus/prometheus/config" + "github.com/prometheus/prometheus/storage/metric" "github.com/prometheus/prometheus/util/httputil" ) -// Client allows sending batches of Prometheus samples to an HTTP endpoint. +// Client allows reading and writing from/to a remote HTTP endpoint. type Client struct { index int // Used to differentiate metrics. - url config.URL + url *config.URL client *http.Client timeout time.Duration } +type clientConfig struct { + url *config.URL + tlsConfig config.TLSConfig + proxyURL *config.URL + basicAuth *config.BasicAuth + timeout model.Duration +} + // NewClient creates a new Client. -func NewClient(index int, conf *config.RemoteWriteConfig) (*Client, error) { - tlsConfig, err := httputil.NewTLSConfig(conf.TLSConfig) +func NewClient(index int, conf *clientConfig) (*Client, error) { + tlsConfig, err := httputil.NewTLSConfig(conf.tlsConfig) if err != nil { return nil, err } @@ -47,19 +57,19 @@ func NewClient(index int, conf *config.RemoteWriteConfig) (*Client, error) { // The only timeout we care about is the configured push timeout. // It is applied on request. So we leave out any timings here. var rt http.RoundTripper = &http.Transport{ - Proxy: http.ProxyURL(conf.ProxyURL.URL), + Proxy: http.ProxyURL(conf.proxyURL.URL), TLSClientConfig: tlsConfig, } - if conf.BasicAuth != nil { - rt = httputil.NewBasicAuthRoundTripper(conf.BasicAuth.Username, conf.BasicAuth.Password, rt) + if conf.basicAuth != nil { + rt = httputil.NewBasicAuthRoundTripper(conf.basicAuth.Username, conf.basicAuth.Password, rt) } return &Client{ index: index, - url: *conf.URL, + url: conf.url, client: httputil.NewClient(rt), - timeout: time.Duration(conf.RemoteTimeout), + timeout: time.Duration(conf.timeout), }, nil } @@ -120,3 +130,102 @@ func (c *Client) Store(samples model.Samples) error { func (c Client) Name() string { return fmt.Sprintf("%d:%s", c.index, c.url) } + +// Read reads from a remote endpoint. +func (c *Client) Read(ctx context.Context, from, through model.Time, matchers metric.LabelMatchers) (model.Matrix, error) { + req := &ReadRequest{ + // TODO: Support batching multiple queries into one read request, + // as the protobuf interface allows for it. + Queries: []*Query{{ + StartTimestampMs: int64(from), + EndTimestampMs: int64(through), + Matchers: labelMatchersToProto(matchers), + }}, + } + + data, err := proto.Marshal(req) + if err != nil { + return nil, fmt.Errorf("unable to marshal read request: %v", err) + } + + buf := bytes.Buffer{} + if _, err := snappy.NewWriter(&buf).Write(data); err != nil { + return nil, err + } + + httpReq, err := http.NewRequest("POST", c.url.String(), &buf) + if err != nil { + return nil, fmt.Errorf("unable to create request: %v", err) + } + httpResp, err := ctxhttp.Do(ctx, c.client, httpReq) + if err != nil { + return nil, fmt.Errorf("error sending request: %v", err) + } + defer httpResp.Body.Close() + if httpResp.StatusCode/100 != 2 { + return nil, fmt.Errorf("server returned HTTP status %s", httpResp.Status) + } + + if data, err = ioutil.ReadAll(snappy.NewReader(httpResp.Body)); err != nil { + return nil, fmt.Errorf("error reading response: %v", err) + } + + var resp ReadResponse + err = proto.Unmarshal(data, &resp) + if err != nil { + return nil, fmt.Errorf("unable to unmarshal response body: %v", err) + } + + return matrixFromProto(resp.Timeseries), nil +} + +func labelMatchersToProto(matchers metric.LabelMatchers) []*LabelMatcher { + pbMatchers := make([]*LabelMatcher, 0, len(matchers)) + for _, m := range matchers { + var mType MatchType + switch m.Type { + case metric.Equal: + mType = MatchType_EQUAL + case metric.NotEqual: + mType = MatchType_NOT_EQUAL + case metric.RegexMatch: + mType = MatchType_REGEX_MATCH + case metric.RegexNoMatch: + mType = MatchType_REGEX_NO_MATCH + default: + panic("invalid matcher type") + } + pbMatchers = append(pbMatchers, &LabelMatcher{ + Type: mType, + Name: string(m.Name), + Value: string(m.Value), + }) + } + return pbMatchers +} + +func matrixFromProto(seriesSet []*TimeSeries) model.Matrix { + m := make(model.Matrix, 0, len(seriesSet)) + for _, ts := range seriesSet { + var ss model.SampleStream + ss.Metric = labelPairsToMetric(ts.Labels) + ss.Values = make([]model.SamplePair, 0, len(ts.Samples)) + for _, s := range ts.Samples { + ss.Values = append(ss.Values, model.SamplePair{ + Value: model.SampleValue(s.Value), + Timestamp: model.Time(s.TimestampMs), + }) + } + m = append(m, &ss) + } + + return m +} + +func labelPairsToMetric(labelPairs []*LabelPair) model.Metric { + metric := make(model.Metric, len(labelPairs)) + for _, l := range labelPairs { + metric[model.LabelName(l.Name)] = model.LabelValue(l.Value) + } + return metric +} diff --git a/storage/remote/iterator.go b/storage/remote/iterator.go new file mode 100644 index 000000000..991cb167b --- /dev/null +++ b/storage/remote/iterator.go @@ -0,0 +1,64 @@ +// Copyright 2017 The Prometheus Authors +// 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. + +package remote + +import ( + "sort" + + "github.com/prometheus/common/model" + "github.com/prometheus/prometheus/storage/metric" +) + +// This is a struct and not just a renamed type because otherwise the Metric +// field and Metric() methods would clash. +type sampleStreamIterator struct { + ss *model.SampleStream +} + +func (it sampleStreamIterator) Metric() metric.Metric { + return metric.Metric{Metric: it.ss.Metric} +} + +func (it sampleStreamIterator) ValueAtOrBeforeTime(ts model.Time) model.SamplePair { + // TODO: This is a naive inefficient approach - in reality, queries go mostly + // linearly through iterators, and we will want to make successive calls to + // this method more efficient by taking into account the last result index + // somehow (similarly to how it's done in Prometheus's + // memorySeriesIterators). + i := sort.Search(len(it.ss.Values), func(n int) bool { + return it.ss.Values[n].Timestamp.After(ts) + }) + if i == 0 { + return model.SamplePair{Timestamp: model.Earliest} + } + return it.ss.Values[i-1] +} + +func (it sampleStreamIterator) RangeValues(in metric.Interval) []model.SamplePair { + n := len(it.ss.Values) + start := sort.Search(n, func(i int) bool { + return !it.ss.Values[i].Timestamp.Before(in.OldestInclusive) + }) + end := sort.Search(n, func(i int) bool { + return it.ss.Values[i].Timestamp.After(in.NewestInclusive) + }) + + if start == n { + return nil + } + + return it.ss.Values[start:end] +} + +func (it sampleStreamIterator) Close() {} diff --git a/storage/remote/read.go b/storage/remote/read.go new file mode 100644 index 000000000..1021310e7 --- /dev/null +++ b/storage/remote/read.go @@ -0,0 +1,116 @@ +// Copyright 2017 The Prometheus Authors +// 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. + +package remote + +import ( + "sync" + "time" + + "github.com/prometheus/common/model" + "golang.org/x/net/context" + + "github.com/prometheus/prometheus/config" + "github.com/prometheus/prometheus/storage/local" + "github.com/prometheus/prometheus/storage/metric" +) + +// Reader allows reading from multiple remote sources. +type Reader struct { + mtx sync.Mutex + clients []*Client +} + +// ApplyConfig updates the state as the new config requires. +func (r *Reader) ApplyConfig(conf *config.Config) error { + clients := []*Client{} + for i, rrConf := range conf.RemoteReadConfigs { + c, err := NewClient(i, &clientConfig{ + url: rrConf.URL, + tlsConfig: rrConf.TLSConfig, + proxyURL: &rrConf.ProxyURL, + basicAuth: rrConf.BasicAuth, + timeout: rrConf.RemoteTimeout, + }) + if err != nil { + return err + } + clients = append(clients, c) + } + + r.mtx.Lock() + defer r.mtx.Unlock() + + r.clients = clients + + return nil +} + +// Queriers returns a list of Queriers for the currently configured +// remote read endpoints. +func (r *Reader) Queriers() []local.Querier { + r.mtx.Lock() + defer r.mtx.Unlock() + + queriers := make([]local.Querier, 0, len(r.clients)) + for _, c := range r.clients { + queriers = append(queriers, &querier{client: c}) + } + return queriers +} + +// querier is an adapter to make a Client usable as a promql.Querier. +type querier struct { + client *Client +} + +func (q *querier) QueryRange(ctx context.Context, from, through model.Time, matchers ...*metric.LabelMatcher) ([]local.SeriesIterator, error) { + return matrixToIterators(q.client.Read(ctx, from, through, matchers)) +} + +func (q *querier) QueryInstant(ctx context.Context, ts model.Time, stalenessDelta time.Duration, matchers ...*metric.LabelMatcher) ([]local.SeriesIterator, error) { + return matrixToIterators(q.client.Read(ctx, ts.Add(-stalenessDelta), ts, matchers)) +} + +func matrixToIterators(m model.Matrix, err error) ([]local.SeriesIterator, error) { + if err != nil { + return nil, err + } + + its := make([]local.SeriesIterator, 0, len(m)) + for _, ss := range m { + its = append(its, sampleStreamIterator{ + ss: ss, + }) + } + return its, nil +} + +func (q *querier) MetricsForLabelMatchers(ctx context.Context, from, through model.Time, matcherSets ...metric.LabelMatchers) ([]metric.Metric, error) { + // TODO: Implement remote metadata querying. + return nil, nil +} + +func (q *querier) LastSampleForLabelMatchers(ctx context.Context, cutoff model.Time, matcherSets ...metric.LabelMatchers) (model.Vector, error) { + // TODO: Implement remote last sample querying. + return nil, nil +} + +func (q *querier) LabelValuesForLabelName(ctx context.Context, ln model.LabelName) (model.LabelValues, error) { + // TODO: Implement remote metadata querying. + return nil, nil +} + +func (q *querier) Close() error { + return nil +} diff --git a/storage/remote/remote.go b/storage/remote/remote.go index a53f866b3..c67e4f7f4 100644 --- a/storage/remote/remote.go +++ b/storage/remote/remote.go @@ -36,7 +36,13 @@ func (s *Storage) ApplyConfig(conf *config.Config) error { // TODO: we should only stop & recreate queues which have changes, // as this can be quite disruptive. for i, rwConf := range conf.RemoteWriteConfigs { - c, err := NewClient(i, rwConf) + c, err := NewClient(i, &clientConfig{ + url: rwConf.URL, + tlsConfig: rwConf.TLSConfig, + proxyURL: &rwConf.ProxyURL, + basicAuth: rwConf.BasicAuth, + timeout: rwConf.RemoteTimeout, + }) if err != nil { return err } diff --git a/storage/remote/remote.pb.go b/storage/remote/remote.pb.go index a5a5356bf..f1e79db07 100644 --- a/storage/remote/remote.pb.go +++ b/storage/remote/remote.pb.go @@ -13,6 +13,10 @@ It has these top-level messages: LabelPair TimeSeries WriteRequest + ReadRequest + ReadResponse + Query + LabelMatcher */ package remote @@ -31,6 +35,33 @@ var _ = math.Inf // proto package needs to be updated. const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package +type MatchType int32 + +const ( + MatchType_EQUAL MatchType = 0 + MatchType_NOT_EQUAL MatchType = 1 + MatchType_REGEX_MATCH MatchType = 2 + MatchType_REGEX_NO_MATCH MatchType = 3 +) + +var MatchType_name = map[int32]string{ + 0: "EQUAL", + 1: "NOT_EQUAL", + 2: "REGEX_MATCH", + 3: "REGEX_NO_MATCH", +} +var MatchType_value = map[string]int32{ + "EQUAL": 0, + "NOT_EQUAL": 1, + "REGEX_MATCH": 2, + "REGEX_NO_MATCH": 3, +} + +func (x MatchType) String() string { + return proto.EnumName(MatchType_name, int32(x)) +} +func (MatchType) EnumDescriptor() ([]byte, []int) { return fileDescriptor0, []int{0} } + type Sample struct { Value float64 `protobuf:"fixed64,1,opt,name=value" json:"value,omitempty"` TimestampMs int64 `protobuf:"varint,2,opt,name=timestamp_ms,json=timestampMs" json:"timestamp_ms,omitempty"` @@ -92,29 +123,106 @@ func (m *WriteRequest) GetTimeseries() []*TimeSeries { return nil } +type ReadRequest struct { + Queries []*Query `protobuf:"bytes,1,rep,name=queries" json:"queries,omitempty"` +} + +func (m *ReadRequest) Reset() { *m = ReadRequest{} } +func (m *ReadRequest) String() string { return proto.CompactTextString(m) } +func (*ReadRequest) ProtoMessage() {} +func (*ReadRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{4} } + +func (m *ReadRequest) GetQueries() []*Query { + if m != nil { + return m.Queries + } + return nil +} + +type ReadResponse struct { + Timeseries []*TimeSeries `protobuf:"bytes,1,rep,name=timeseries" json:"timeseries,omitempty"` +} + +func (m *ReadResponse) Reset() { *m = ReadResponse{} } +func (m *ReadResponse) String() string { return proto.CompactTextString(m) } +func (*ReadResponse) ProtoMessage() {} +func (*ReadResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{5} } + +func (m *ReadResponse) GetTimeseries() []*TimeSeries { + if m != nil { + return m.Timeseries + } + return nil +} + +type Query struct { + StartTimestampMs int64 `protobuf:"varint,1,opt,name=start_timestamp_ms,json=startTimestampMs" json:"start_timestamp_ms,omitempty"` + EndTimestampMs int64 `protobuf:"varint,2,opt,name=end_timestamp_ms,json=endTimestampMs" json:"end_timestamp_ms,omitempty"` + Matchers []*LabelMatcher `protobuf:"bytes,3,rep,name=matchers" json:"matchers,omitempty"` +} + +func (m *Query) Reset() { *m = Query{} } +func (m *Query) String() string { return proto.CompactTextString(m) } +func (*Query) ProtoMessage() {} +func (*Query) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{6} } + +func (m *Query) GetMatchers() []*LabelMatcher { + if m != nil { + return m.Matchers + } + return nil +} + +type LabelMatcher struct { + Type MatchType `protobuf:"varint,1,opt,name=type,enum=remote.MatchType" json:"type,omitempty"` + Name string `protobuf:"bytes,2,opt,name=name" json:"name,omitempty"` + Value string `protobuf:"bytes,3,opt,name=value" json:"value,omitempty"` +} + +func (m *LabelMatcher) Reset() { *m = LabelMatcher{} } +func (m *LabelMatcher) String() string { return proto.CompactTextString(m) } +func (*LabelMatcher) ProtoMessage() {} +func (*LabelMatcher) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{7} } + func init() { proto.RegisterType((*Sample)(nil), "remote.Sample") proto.RegisterType((*LabelPair)(nil), "remote.LabelPair") proto.RegisterType((*TimeSeries)(nil), "remote.TimeSeries") proto.RegisterType((*WriteRequest)(nil), "remote.WriteRequest") + proto.RegisterType((*ReadRequest)(nil), "remote.ReadRequest") + proto.RegisterType((*ReadResponse)(nil), "remote.ReadResponse") + proto.RegisterType((*Query)(nil), "remote.Query") + proto.RegisterType((*LabelMatcher)(nil), "remote.LabelMatcher") + proto.RegisterEnum("remote.MatchType", MatchType_name, MatchType_value) } func init() { proto.RegisterFile("remote.proto", fileDescriptor0) } var fileDescriptor0 = []byte{ - 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