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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,180 @@ | ||
| // Copyright (c) 2021 Uber Technologies, Inc. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
||
| package inprocess | ||
|
|
||
| import ( | ||
| "errors" | ||
| "io/ioutil" | ||
| "os" | ||
| "time" | ||
|
|
||
| "go.uber.org/zap" | ||
| "gopkg.in/yaml.v2" | ||
|
|
||
| m3agg "github.com/m3db/m3/src/aggregator/aggregator" | ||
| "github.com/m3db/m3/src/aggregator/server" | ||
| "github.com/m3db/m3/src/cmd/services/m3aggregator/config" | ||
| "github.com/m3db/m3/src/integration/resources" | ||
| nettest "github.com/m3db/m3/src/integration/resources/net" | ||
| xos "github.com/m3db/m3/src/x/os" | ||
| ) | ||
|
|
||
| type aggregator struct { | ||
| cfg config.Configuration | ||
| logger *zap.Logger | ||
| tmpDirs []string | ||
|
|
||
| interruptCh chan<- error | ||
| shutdownCh <-chan struct{} | ||
| } | ||
|
|
||
| // AggregatorOptions are options of starting an in-process aggregator. | ||
| type AggregatorOptions struct { | ||
| // Logger is the logger to use for the in-process aggregator. | ||
| Logger *zap.Logger | ||
| } | ||
|
|
||
| // NewAggregator creates a new in-process aggregator based on the configuration | ||
| // and options provided. | ||
| func NewAggregator(yamlCfg string, opts AggregatorOptions) (resources.Aggregator, error) { | ||
| var cfg config.Configuration | ||
| if err := yaml.Unmarshal([]byte(yamlCfg), &cfg); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| // Replace any "0" ports with an open port | ||
| cfg, err := updateAggregatorPorts(cfg) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| // Replace any "*" filepath with a temporary directory | ||
| cfg, tmpDirs, err := updateAggregatorFilepaths(cfg) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| if opts.Logger == nil { | ||
| var err error | ||
| opts.Logger, err = zap.NewDevelopment() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| } | ||
|
|
||
| agg := &aggregator{ | ||
| cfg: cfg, | ||
| logger: opts.Logger, | ||
| tmpDirs: tmpDirs, | ||
| } | ||
| agg.start() | ||
|
|
||
| return agg, nil | ||
| } | ||
|
|
||
| func (a *aggregator) IsHealthy(instance string) error { | ||
| return nil | ||
| } | ||
|
|
||
| func (a *aggregator) Status(instance string) (m3agg.RuntimeStatus, error) { | ||
| return m3agg.RuntimeStatus{}, nil | ||
| } | ||
|
|
||
| func (a *aggregator) Resign(instance string) error { | ||
| return nil | ||
| } | ||
|
|
||
| func (a *aggregator) Close() error { | ||
| defer func() { | ||
| for _, dir := range a.tmpDirs { | ||
| if err := os.RemoveAll(dir); err != nil { | ||
| a.logger.Error("error removing temp directory", zap.String("dir", dir), zap.Error(err)) | ||
| } | ||
| } | ||
| }() | ||
|
|
||
| select { | ||
| case a.interruptCh <- xos.NewInterruptError("in-process aggregator being shut down"): | ||
| case <-time.After(interruptTimeout): | ||
| return errors.New("timeout sending interrupt. closing without graceful shutdown") | ||
| } | ||
|
|
||
| select { | ||
| case <-a.shutdownCh: | ||
| case <-time.After(shutdownTimeout): | ||
| return errors.New("timeout waiting for shutdown notification. server closing may" + | ||
| " not be completely graceful") | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (a *aggregator) start() { | ||
| interruptCh := make(chan error, 1) | ||
| shutdownCh := make(chan struct{}, 1) | ||
|
|
||
| go func() { | ||
| server.Run(server.RunOptions{ | ||
| Config: a.cfg, | ||
| InterruptCh: interruptCh, | ||
| ShutdownCh: shutdownCh, | ||
| }) | ||
| }() | ||
|
|
||
| a.interruptCh = interruptCh | ||
| a.shutdownCh = shutdownCh | ||
| } | ||
|
|
||
| func updateAggregatorPorts(cfg config.Configuration) (config.Configuration, error) { | ||
| if cfg.HTTP != nil && len(cfg.HTTP.ListenAddress) > 0 { | ||
| addr, _, _, err := nettest.MaybeGeneratePort(cfg.HTTP.ListenAddress) | ||
| if err != nil { | ||
| return cfg, err | ||
| } | ||
|
|
||
| cfg.HTTP.ListenAddress = addr | ||
| } | ||
|
|
||
| if cfg.M3Msg != nil && len(cfg.M3Msg.Server.ListenAddress) > 0 { | ||
| addr, _, _, err := nettest.MaybeGeneratePort(cfg.M3Msg.Server.ListenAddress) | ||
| if err != nil { | ||
| return cfg, err | ||
| } | ||
|
|
||
| cfg.M3Msg.Server.ListenAddress = addr | ||
| } | ||
|
|
||
| return cfg, nil | ||
| } | ||
|
|
||
| func updateAggregatorFilepaths(cfg config.Configuration) (config.Configuration, []string, error) { | ||
| tmpDirs := make([]string, 0, 1) | ||
| if cfg.KVClient.Etcd != nil && cfg.KVClient.Etcd.CacheDir == "*" { | ||
| dir, err := ioutil.TempDir("", "m3agg-*") | ||
| if err != nil { | ||
| return cfg, tmpDirs, err | ||
| } | ||
| tmpDirs = append(tmpDirs, dir) | ||
| cfg.KVClient.Etcd.CacheDir = dir | ||
| } | ||
|
|
||
| return cfg, tmpDirs, nil | ||
| } |
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