1.7β1 kops get ig returns SIGSEGV with get ig on darwin #3011
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This is caused by omitting the |
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I am guessing that we are not checking that the all we make to get cluster is returning a nil. |
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Based on the stack trace in kubernetes#3011 Fix kubernetes#3011
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Generally check the return value where we can't tolerate it being nil, similar to the case seen in kubernetes#3011.
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Generally check the return value where we can't tolerate it being nil, similar to the case seen in kubernetes#3011.
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Based on the stack trace in kubernetes#3011 Fix kubernetes#3011
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Generally check the return value where we can't tolerate it being nil, similar to the case seen in kubernetes#3011.
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When using kops 1.7 beta 1 to get ig information I received a segfault with a nil pointer reference.
Darwin ITHAA1CSELLERS 16.6.0 Darwin Kernel Version 16.6.0: Fri Apr 14 16:21:16 PDT 2017; root:xnu-3789.60.24~6/RELEASE_X86_64 x86_64
brew install --HEAD kopsexception:
$ kops get ig
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x20 pc=0x1db6252]
goroutine 1 [running]:
k8s.io/kops/pkg/client/simple/vfsclientset.(*VFSClientset).InstanceGroupsFor(0xc420019d90, 0x0, 0x2b, 0x0)
/private/tmp/kops-20170720-86340-li679e/src/k8s.io/kops/pkg/client/simple/vfsclientset/clientset.go:54 +0x22
main.RunGetInstanceGroups(0xc420056478, 0xc420a21300, 0x0, 0x4, 0x1, 0xc420056440)
/private/tmp/kops-20170720-86340-li679e/src/k8s.io/kops/cmd/kops/get_instancegroups.go:93 +0x234
main.NewCmdGetInstanceGroups.func1(0xc420225d40, 0xc420a21300, 0x0, 0x4)
/private/tmp/kops-20170720-86340-li679e/src/k8s.io/kops/cmd/kops/get_instancegroups.go:65 +0x48
k8s.io/kops/vendor/github.com/spf13/cobra.(*Command).execute(0xc420225d40, 0xc420a212c0, 0x4, 0x4, 0xc420225d40, 0xc420a212c0)
/private/tmp/kops-20170720-86340-li679e/src/k8s.io/kops/vendor/github.com/spf13/cobra/command.go:603 +0x22b
k8s.io/kops/vendor/github.com/spf13/cobra.(*Command).ExecuteC(0x5a81820, 0x3884300, 0x0, 0x0)
/private/tmp/kops-20170720-86340-li679e/src/k8s.io/kops/vendor/github.com/spf13/cobra/command.go:689 +0x339
k8s.io/kops/vendor/github.com/spf13/cobra.(*Command).Execute(0x5a81820, 0x5ab1c70, 0x0)
/private/tmp/kops-20170720-86340-li679e/src/k8s.io/kops/vendor/github.com/spf13/cobra/command.go:648 +0x2b
main.Execute()
/private/tmp/kops-20170720-86340-li679e/src/k8s.io/kops/cmd/kops/root.go:98 +0x9b
main.main()
/private/tmp/kops-20170720-86340-li679e/src/k8s.io/kops/cmd/kops/main.go:25 +0x2_0
Command should return (if proper environment settings are set e.g. --state --name):
kops get ig
NAME ROLE MACHINETYPE MIN MAX SUBNETS
...
...
...
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