120 lines
2.1 KiB
Go
120 lines
2.1 KiB
Go
package searchsvc
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import (
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"context"
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"encoding/hex"
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"sync"
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"github.com/TrueCloudLab/frostfs-node/pkg/core/client"
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"go.uber.org/zap"
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)
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func (exec *execCtx) executeOnContainer() {
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if exec.isLocal() {
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exec.log.Debug("return result directly")
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return
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}
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lookupDepth := exec.netmapLookupDepth()
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exec.log.Debug("trying to execute in container...",
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zap.Uint64("netmap lookup depth", lookupDepth),
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)
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// initialize epoch number
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ok := exec.initEpoch()
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if !ok {
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return
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}
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for {
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if exec.processCurrentEpoch() {
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break
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}
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// check the maximum depth has been reached
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if lookupDepth == 0 {
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break
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}
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lookupDepth--
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// go to the previous epoch
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exec.curProcEpoch--
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}
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exec.status = statusOK
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exec.err = nil
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}
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func (exec *execCtx) processCurrentEpoch() bool {
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exec.log.Debug("process epoch",
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zap.Uint64("number", exec.curProcEpoch),
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)
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traverser, ok := exec.generateTraverser(exec.containerID())
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if !ok {
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return true
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}
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ctx, cancel := context.WithCancel(exec.context())
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defer cancel()
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for {
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addrs := traverser.Next()
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if len(addrs) == 0 {
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exec.log.Debug("no more nodes, abort placement iteration")
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break
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}
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var wg sync.WaitGroup
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var mtx sync.Mutex
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for i := range addrs {
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wg.Add(1)
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go func(i int) {
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defer wg.Done()
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select {
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case <-ctx.Done():
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exec.log.Debug("interrupt placement iteration by context",
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zap.String("error", ctx.Err().Error()))
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return
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default:
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}
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var info client.NodeInfo
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client.NodeInfoFromNetmapElement(&info, addrs[i])
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exec.log.Debug("processing node...", zap.String("key", hex.EncodeToString(addrs[i].PublicKey())))
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c, err := exec.svc.clientConstructor.get(info)
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if err != nil {
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mtx.Lock()
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exec.status = statusUndefined
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exec.err = err
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mtx.Unlock()
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exec.log.Debug("could not construct remote node client")
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return
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}
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ids, err := c.searchObjects(exec, info)
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if err != nil {
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exec.log.Debug("remote operation failed",
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zap.String("error", err.Error()))
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return
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}
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mtx.Lock()
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exec.writeIDList(ids)
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mtx.Unlock()
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}(i)
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}
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wg.Wait()
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}
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return false
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}
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