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ProxyInjector crashes if service is for sidecar deleted #43

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rajeshneo opened this issue Mar 15, 2021 · 0 comments
Open

ProxyInjector crashes if service is for sidecar deleted #43

rajeshneo opened this issue Mar 15, 2021 · 0 comments

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@rajeshneo
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Scenario

  • Deploy ProxyInjector
  • Deploy an application and service with ProxyInjector sidecar configuration
  • Delete the service deployed in step 2
  • ProxyInjector app is crashed with following trace

`time="2021-03-15T09:37:32Z" level=info msg="Updated resource... topui"
time="2021-03-15T09:37:32Z" level=error msg="Failed to get latest version of Service: services "topui" not found"
E0315 09:37:32.145170 1 runtime.go:78] Observed a panic: runtime.boundsError{x:0, y:0, signed:true, code:0x0} (runtime error: index out of range [0] with length 0)
goroutine 98 [running]:
k8s.io/apimachinery/pkg/util/runtime.logPanic(0x1279240, 0xc00059d720)
/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20191004115801-a2eda9f80ab8/pkg/util/runtime/runtime.go:74 +0xa3
k8s.io/apimachinery/pkg/util/runtime.HandleCrash(0x0, 0x0, 0x0)
/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20191004115801-a2eda9f80ab8/pkg/util/runtime/runtime.go:48 +0x82
panic(0x1279240, 0xc00059d720)
/usr/local/go/src/runtime/panic.go:679 +0x1b2
github.com/stakater/ProxyInjector/internal/pkg/handler.updateService.func1(0xc000336420, 0xc00016e2e8)
/go/src/github.com/stakater/ProxyInjector/internal/pkg/handler/create.go:177 +0x2f3
k8s.io/client-go/util/retry.OnError.func1(0x0, 0x203000, 0x203000)
/go/pkg/mod/k8s.io/client-go@v0.0.0-20190918160344-1fbdaa4c8d90/util/retry/util.go:64 +0x3c
k8s.io/apimachinery/pkg/util/wait.ExponentialBackoff(0x989680, 0x3ff0000000000000, 0x3fb999999999999a, 0x5, 0x0, 0xc000453658, 0xc000336450, 0x30)
/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20191004115801-a2eda9f80ab8/pkg/util/wait/wait.go:292 +0x51
k8s.io/client-go/util/retry.OnError(0x989680, 0x3ff0000000000000, 0x3fb999999999999a, 0x5, 0x0, 0x13bf308, 0xc000453718, 0x468732, 0xa)
/go/pkg/mod/k8s.io/client-go@v0.0.0-20190918160344-1fbdaa4c8d90/util/retry/util.go:63 +0xa6
k8s.io/client-go/util/retry.RetryOnConflict(...)
/go/pkg/mod/k8s.io/client-go@v0.0.0-20190918160344-1fbdaa4c8d90/util/retry/util.go:83
github.com/stakater/ProxyInjector/internal/pkg/handler.updateService(0xc00064c640, 0xc000712960, 0x3, 0xc0007129e0, 0x5, 0xc0007129e8, 0x4)
/go/src/github.com/stakater/ProxyInjector/internal/pkg/handler/create.go:167 +0x130
github.com/stakater/ProxyInjector/internal/pkg/handler.ResourceCreatedHandler.Handle(0x130b2a0, 0xc00013d200, 0xc00010f5c0, 0x22, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
/go/src/github.com/stakater/ProxyInjector/internal/pkg/handler/create.go:118 +0xac4
github.com/stakater/ProxyInjector/internal/pkg/controller.(*Controller).processNextItem(0xc0003354a0, 0x0)
/go/src/github.com/stakater/ProxyInjector/internal/pkg/controller/controller.go:111 +0x179
github.com/stakater/ProxyInjector/internal/pkg/controller.(*Controller).runWorker(0xc0003354a0)
/go/src/github.com/stakater/ProxyInjector/internal/pkg/controller/controller.go:94 +0x2b
k8s.io/apimachinery/pkg/util/wait.JitterUntil.func1(0xc00038a000)
/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20191004115801-a2eda9f80ab8/pkg/util/wait/wait.go:152 +0x5e
k8s.io/apimachinery/pkg/util/wait.JitterUntil(0xc00038a000, 0x3b9aca00, 0x0, 0x1, 0xc0000fc600)
/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20191004115801-a2eda9f80ab8/pkg/util/wait/wait.go:153 +0xf8
k8s.io/apimachinery/pkg/util/wait.Until(0xc00038a000, 0x3b9aca00, 0xc0000fc600)
/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20191004115801-a2eda9f80ab8/pkg/util/wait/wait.go:88 +0x4d
created by github.com/stakater/ProxyInjector/internal/pkg/controller.(*Controller).Run
/go/src/github.com/stakater/ProxyInjector/internal/pkg/controller/controller.go:86 +0x1ff
panic: runtime error: index out of range [0] with length 0 [recovered]
panic: runtime error: index out of range [0] with length 0

goroutine 98 [running]:
k8s.io/apimachinery/pkg/util/runtime.HandleCrash(0x0, 0x0, 0x0)
/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20191004115801-a2eda9f80ab8/pkg/util/runtime/runtime.go:55 +0x105
panic(0x1279240, 0xc00059d720)
/usr/local/go/src/runtime/panic.go:679 +0x1b2
github.com/stakater/ProxyInjector/internal/pkg/handler.updateService.func1(0xc000336420, 0xc00016e2e8)
/go/src/github.com/stakater/ProxyInjector/internal/pkg/handler/create.go:177 +0x2f3
k8s.io/client-go/util/retry.OnError.func1(0x0, 0x203000, 0x203000)
/go/pkg/mod/k8s.io/client-go@v0.0.0-20190918160344-1fbdaa4c8d90/util/retry/util.go:64 +0x3c
k8s.io/apimachinery/pkg/util/wait.ExponentialBackoff(0x989680, 0x3ff0000000000000, 0x3fb999999999999a, 0x5, 0x0, 0xc000453658, 0xc000336450, 0x30)
/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20191004115801-a2eda9f80ab8/pkg/util/wait/wait.go:292 +0x51
k8s.io/client-go/util/retry.OnError(0x989680, 0x3ff0000000000000, 0x3fb999999999999a, 0x5, 0x0, 0x13bf308, 0xc000453718, 0x468732, 0xa)
/go/pkg/mod/k8s.io/client-go@v0.0.0-20190918160344-1fbdaa4c8d90/util/retry/util.go:63 +0xa6
k8s.io/client-go/util/retry.RetryOnConflict(...)
/go/pkg/mod/k8s.io/client-go@v0.0.0-20190918160344-1fbdaa4c8d90/util/retry/util.go:83
github.com/stakater/ProxyInjector/internal/pkg/handler.updateService(0xc00064c640, 0xc000712960, 0x3, 0xc0007129e0, 0x5, 0xc0007129e8, 0x4)
/go/src/github.com/stakater/ProxyInjector/internal/pkg/handler/create.go:167 +0x130
github.com/stakater/ProxyInjector/internal/pkg/handler.ResourceCreatedHandler.Handle(0x130b2a0, 0xc00013d200, 0xc00010f5c0, 0x22, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
/go/src/github.com/stakater/ProxyInjector/internal/pkg/handler/create.go:118 +0xac4
github.com/stakater/ProxyInjector/internal/pkg/controller.(*Controller).processNextItem(0xc0003354a0, 0x0)
/go/src/github.com/stakater/ProxyInjector/internal/pkg/controller/controller.go:111 +0x179
github.com/stakater/ProxyInjector/internal/pkg/controller.(*Controller).runWorker(0xc0003354a0)
/go/src/github.com/stakater/ProxyInjector/internal/pkg/controller/controller.go:94 +0x2b
k8s.io/apimachinery/pkg/util/wait.JitterUntil.func1(0xc00038a000)
/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20191004115801-a2eda9f80ab8/pkg/util/wait/wait.go:152 +0x5e
k8s.io/apimachinery/pkg/util/wait.JitterUntil(0xc00038a000, 0x3b9aca00, 0x0, 0x1, 0xc0000fc600)
/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20191004115801-a2eda9f80ab8/pkg/util/wait/wait.go:153 +0xf8
k8s.io/apimachinery/pkg/util/wait.Until(0xc00038a000, 0x3b9aca00, 0xc0000fc600)
/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20191004115801-a2eda9f80ab8/pkg/util/wait/wait.go:88 +0x4d
created by github.com/stakater/ProxyInjector/internal/pkg/controller.(*Controller).Run
/go/src/github.com/stakater/ProxyInjector/internal/pkg/controller/controller.go:86 +0x1ff`
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@rajeshneo