1b8597647b
This refactor is a preparation for another commit. I want to add instrumentation
around our queues. The code of how queues were handled was spread throughout
the code base, and that made adding such instrumentation nice and complicated.
This centralizes the queue management logic in queue.go, and only requires
the user to provide a (custom) rate limiter, if they want to, a name,
and a handler.
The lease code is moved into its own package to simplify testing, because
the goroutine leak tester was triggering incorrectly if other tests
were running, and it was measuring leaks from those tests.
This also identified buggy behaviour:
wq := workqueue.NewNamedRateLimitingQueue(workqueue.DefaultItemBasedRateLimiter(), "test")
wq.AddRateLimited("hi")
fmt.Printf("Added hi, len: %d\n", wq.Len())
wq.Forget("hi")
fmt.Printf("Forgot hi, len: %d\n", wq.Len())
wq.Done("hi")
fmt.Printf("Done hi, len: %d\n", wq.Len())
---
Prints all 0s because event non-delayed items are delayed. If you call Add
directly, then the last line prints a len of 2.
// Workqueue docs:
// Forget indicates that an item is finished being retried. Doesn't matter whether it's for perm failing
// or for success, we'll stop the rate limiter from tracking it. This only clears the `rateLimiter`, you
// still have to call `Done` on the queue.
^----- Even this seems untrue
77 lines
2.4 KiB
Modula-2
77 lines
2.4 KiB
Modula-2
module github.com/virtual-kubelet/virtual-kubelet
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go 1.13
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require (
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contrib.go.opencensus.io/exporter/jaeger v0.1.0
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contrib.go.opencensus.io/exporter/ocagent v0.4.12
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github.com/bombsimon/logrusr v1.0.0
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github.com/docker/spdystream v0.0.0-20170912183627-bc6354cbbc29 // indirect
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github.com/elazarl/goproxy v0.0.0-20190421051319-9d40249d3c2f // indirect
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github.com/elazarl/goproxy/ext v0.0.0-20190711103511-473e67f1d7d2 // indirect
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github.com/google/go-cmp v0.4.0
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github.com/gorilla/mux v1.7.0
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github.com/mitchellh/go-homedir v1.1.0
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github.com/pkg/errors v0.8.1
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github.com/prometheus/client_golang v1.0.0
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github.com/sirupsen/logrus v1.4.2
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github.com/spf13/cobra v0.0.5
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github.com/spf13/pflag v1.0.5
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go.opencensus.io v0.21.0
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go.uber.org/goleak v1.1.10
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golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e
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golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd
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golang.org/x/time v0.0.0-20190308202827-9d24e82272b4
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gotest.tools v2.2.0+incompatible
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k8s.io/api v0.18.6
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k8s.io/apimachinery v0.18.6
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k8s.io/client-go v0.18.6
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k8s.io/klog v1.0.0
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k8s.io/klog/v2 v2.0.0
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k8s.io/kubernetes v1.18.4
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k8s.io/utils v0.0.0-20200603063816-c1c6865ac451
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sigs.k8s.io/controller-runtime v0.6.3
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)
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replace k8s.io/legacy-cloud-providers => k8s.io/legacy-cloud-providers v0.18.4
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replace k8s.io/cloud-provider => k8s.io/cloud-provider v0.18.4
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replace k8s.io/cli-runtime => k8s.io/cli-runtime v0.18.4
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replace k8s.io/apiserver => k8s.io/apiserver v0.18.4
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replace k8s.io/csi-translation-lib => k8s.io/csi-translation-lib v0.18.4
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replace k8s.io/cri-api => k8s.io/cri-api v0.18.4
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replace k8s.io/kube-aggregator => k8s.io/kube-aggregator v0.18.4
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replace k8s.io/kubelet => k8s.io/kubelet v0.18.4
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replace k8s.io/kube-controller-manager => k8s.io/kube-controller-manager v0.18.4
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replace k8s.io/apimachinery => k8s.io/apimachinery v0.18.4
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replace k8s.io/cluster-bootstrap => k8s.io/cluster-bootstrap v0.18.4
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replace k8s.io/kube-proxy => k8s.io/kube-proxy v0.18.4
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replace k8s.io/component-base => k8s.io/component-base v0.18.4
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replace k8s.io/kube-scheduler => k8s.io/kube-scheduler v0.18.4
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replace k8s.io/apiextensions-apiserver => k8s.io/apiextensions-apiserver v0.18.4
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replace k8s.io/metrics => k8s.io/metrics v0.18.4
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replace k8s.io/sample-apiserver => k8s.io/sample-apiserver v0.18.4
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replace k8s.io/code-generator => k8s.io/code-generator v0.18.4
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replace k8s.io/client-go => k8s.io/client-go v0.18.4
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replace k8s.io/kubectl => k8s.io/kubectl v0.18.4
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replace k8s.io/api => k8s.io/api v0.18.4
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