ssh_exchange_identification: Connection closed by remote host

[Cryptophobia]

From @pfeodrippe on March 30, 2017 19:38

I was pushing my app to production and

...
...
...
...
...
Done, example-web-production:v7 deployed to Workflow

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fatal: The remote end hung up unexpectedly
fatal: The remote end hung up unexpectedly

Now I can't push more releases

ssh_exchange_identification: Connection closed by remote host
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

Copied from original issue: deis/builder#503

[Cryptophobia]

From @bacongobbler on April 1, 2017 15:42

Hi there! To debug builder errors, can you follow the Troubleshooting Using Kubectl guide to grab the pod status using kubectl describe? If you can provide more info in a gist that'd be helpful. I have a feeling this is because the builder or the load balancer is flapping.

Also what cloud provider is this? Has this been resolved since the report?

[Cryptophobia]

From @pfeodrippe on April 4, 2017 12:40

I'm using AWS.
I've deleted the pod and it was created again. Now it appears to be working. There was a lot of slug builds with 'Completed' state like

...
slugbuild-app-03e393cf-806e499c   0/1       Completed   0          16h
slugbuild-app-47518ffc-db057d22   0/1       Completed   0          17h
slugbuild-app-8d9c75fd-bfdd9d8b   0/1       Completed   0          17h
slugbuild-app-91945f35-db840892   0/1       Completed   0          16h
slugbuild-app-96089789-253a75f1   0/1       Completed   0          19h
slugbuild-app-9d40299d-b3bbff1a   0/1       Completed   0          17h
slugbuild-app-9d40299d-daacec4e   0/1       Completed   0

A kubectl --namespace=deis logs deis-builder-4114410410-vgwwv gave me

Accepted connection.
---> ---> ---> ---> ---> ---> ---> ---> ---> ---> ---> ---> ---> ---> ---> ---> ---> ---> ---> ---> ---> ---> ---> ---> ---> ---> ---> ---> ---> ---> panic: runtime error: slice bounds out of range

goroutine 87771 [running]:
panic(0x11acf20, 0xc4200180c0)
	/usr/local/go/src/runtime/panic.go:500 +0x1a1
github.com/deis/builder/vendor/golang.org/x/crypto/ssh.(*dsaPrivateKey).Sign(0xc4201e60e0, 0x1c22840, 0xc4200156e0, 0xc42048f140, 0x14, 0x20, 0x0, 0x800, 0xc42048f140)
	/go/src/github.com/deis/builder/vendor/golang.org/x/crypto/ssh/keys.go:457 +0x3bf
github.com/deis/builder/vendor/golang.org/x/crypto/ssh.signAndMarshal(0x1c2c000, 0xc4201e60e0, 0x1c22840, 0xc4200156e0, 0xc42048f140, 0x14, 0x20, 0xc4204cf10b, 0x132737d, 0x8, ...)
	/go/src/github.com/deis/builder/vendor/golang.org/x/crypto/ssh/server.go:160 +0x6d
github.com/deis/builder/vendor/golang.org/x/crypto/ssh.(*dhGroup).Server(0xc4200bf7a0, 0x7fd33be12a28, 0xc4203087e0, 0x1c22840, 0xc4200156e0, 0xc4203d4720, 0x1c2c000, 0xc4201e60e0, 0x40df84, 0x133bed3, ...)
	/go/src/github.com/deis/builder/vendor/golang.org/x/crypto/ssh/kex.go:188 +0x511
github.com/deis/builder/vendor/golang.org/x/crypto/ssh.(*handshakeTransport).server(0xc4205b4f20, 0x1c2bfc0, 0xc4200bf7a0, 0xc42039a980, 0xc4203d4720, 0x1, 0x0, 0xc420437440)
	/go/src/github.com/deis/builder/vendor/golang.org/x/crypto/ssh/handshake.go:598 +0x1db
github.com/deis/builder/vendor/golang.org/x/crypto/ssh.(*handshakeTransport).enterKeyExchange(0xc4205b4f20, 0xc420476540, 0xd9, 0xd9, 0x1, 0x0)
	/go/src/github.com/deis/builder/vendor/golang.org/x/crypto/ssh/handshake.go:563 +0x3aa
github.com/deis/builder/vendor/golang.org/x/crypto/ssh.(*handshakeTransport).kexLoop(0xc4205b4f20)
	/go/src/github.com/deis/builder/vendor/golang.org/x/crypto/ssh/handshake.go:282 +0x1ec
created by github.com/deis/builder/vendor/golang.org/x/crypto/ssh.newServerTransport
	/go/src/github.com/deis/builder/vendor/golang.org/x/crypto/ssh/handshake.go:135 +0x262