git operations over ssh in Windows agent

[Andreas Tscharner]

Hello World,

I have the following setup:

git Server: Debian Linux 9.1
Jenkins master: Debian Linux 9.1
Jenkins agent: Windows 7

I created a user on the git server for building, it is called "build". I 
also have created a ssh key-pair for that user. The public key is in the 
authorized_keys file on the git server. I have installed PuTTY on the 
Windows agent, and I autostart Pageant with the key for the user 
"build". git v2.14.2 is installed on Windows as well and GIT_SSH 
contains the full path to PuTTY plink.exe. If I use PuTTY to log in to 
the git server, it works without a problem (and without a password as 
well as Pageant serves the key).


I now wanted to use this setup with Jenkins and it always fails. If I 
enter the git commands it shows on the console output on a cmd.exe it 
works, but it does not work with Jenkins.


I tried with the credentials username/password, I get:
Cloning repository ssh://git.metromec.ch/repositories/quartis.git
 > git init C:\Jenkins-Jobs\workspace\Branch-origin-features-QT-7889 # 
timeout=10
Fetching upstream changes from 
ssh://git.metromec.ch/repositories/quartis.git

 > git --version # timeout=10
using GIT_ASKPASS to set credentials Build user from the VMs
 > git fetch --tags --progress 
ssh://git.metromec.ch/repositories/quartis.git 
+refs/heads/*:refs/remotes/origin/*

ERROR: Error cloning remote repo 'origin'
hudson.plugins.git.GitException: Command "git fetch --tags --progress 
ssh://git.metromec.ch/repositories/quartis.git 
+refs/heads/*:refs/remotes/origin/*" returned status code 128:

stdout:
stderr: fatal: protocol error: bad line length character: logi

I tried without credentials from Jenkins, using the username directly in 
the repository string (thinking Pageant is running and will provide the 
key):

Cloning repository ssh://bu...@git.metromec.ch/repositories/quartis.git
 > git init C:\Jenkins-Jobs\workspace\Branch-origin-features-QT-7889 # 
timeout=10
Fetching upstream changes from 
ssh://bu...@git.metromec.ch/repositories/quartis.git

 > git --version # timeout=10
 > git fetch --tags --progress 
ssh://bu...@git.metromec.ch/repositories/quartis.git 
+refs/heads/*:refs/remotes/origin/*

ERROR: Error cloning remote repo 'origin'
hudson.plugins.git.GitException: Command "git fetch --tags --progress 
ssh://bu...@git.metromec.ch/repositories/quartis.git 
+refs/heads/*:refs/remotes/origin/*" returned status code 128:

stdout:
stderr: fatal: protocol error: bad line length character: buil

I also tried username/private key from Jenkins and got:
Cloning repository ssh://git.metromec.ch/repositories/quartis.git
 > git init C:\Jenkins-Jobs\workspace\Branch-origin-features-QT-7889 # 
timeout=10
Fetching upstream changes from 
ssh://git.metromec.ch/repositories/quartis.git

 > git --version # timeout=10
using GIT_SSH to set credentials Build user from the VMs (with key)
 > git fetch --tags --progress 
ssh://git.metromec.ch/repositories/quartis.git 
+refs/heads/*:refs/remotes/origin/*

ERROR: Error cloning remote repo 'origin'
hudson.plugins.git.GitException: Command "git fetch --tags --progress 
ssh://git.metromec.ch/repositories/quartis.git 
+refs/heads/*:refs/remotes/origin/*" returned status code 128:

stdout:
stderr: plink: unknown option "-o"
fatal: Could not read from remote repository.

How do I provide the correct credentials for this user in this setup?

TIA and best regards
Andreas
--
Andreas Tscharner sternenfe...@gmail.com

Gordon's Law:
If you think you have the solution, the question was poorly phrased.

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Re: git operations over ssh in Windows agent

[Mark Waite]

I don't use putty and plink in my Windows based test setup for the git
plugin.  Can you share the key reasons you chose those non-default
installation options?

Mark Waite

On Thu, Sep 28, 2017 at 8:55 AM Andreas Tscharner 
wrote:

> Hello World,
>
> I have the following setup:
>
> git Server: Debian Linux 9.1
> Jenkins master: Debian Linux 9.1
> Jenkins agent: Windows 7
>
> I created a user on the git server for building, it is called "build". I
> also have created a ssh key-pair for that user. The public key is in the
> authorized_keys file on the git server. I have installed PuTTY on the
> Windows agent, and I autostart Pageant with the key for the user
> "build". git v2.14.2 is installed on Windows as well and GIT_SSH
> contains the full path to PuTTY plink.exe. If I use PuTTY to log in to
> the git server, it works without a problem (and without a password as
> well as Pageant serves the key).
>
> I now wanted to use this setup with Jenkins and it always fails. If I
> enter the git commands it shows on the console output on a cmd.exe it
> works, but it does not work with Jenkins.
>
> I tried with the credentials username/password, I get:
> Cloning repository ssh://git.metromec.ch/repositories/quartis.git
>   > git init C:\Jenkins-Jobs\workspace\Branch-origin-features-QT-7889 #
> timeout=10
> Fetching upstream changes from
> ssh://git.metromec.ch/repositories/quartis.git
>   > git --version # timeout=10
> using GIT_ASKPASS to set credentials Build user from the VMs
>   > git fetch --tags --progress
> ssh://git.metromec.ch/repositories/quartis.git
> +refs/heads/*:refs/remotes/origin/*
> ERROR: Error cloning remote repo 'origin'
> hudson.plugins.git.GitException: Command "git fetch --tags --progress
> ssh://git.metromec.ch/repositories/quartis.git
> +refs/heads/*:refs/remotes/origin/*" returned status code 128:
> stdout:
> stderr: fatal: protocol error: bad line length character: logi
>
> I tried without credentials from Jenkins, using the username directly in
> the repository string (thinking Pageant is running and will provide the
> key):
> Cloning repository ssh://bu...@git.metromec.ch/repositories/quartis.git
>   > git init C:\Jenkins-Jobs\workspace\Branch-origin-features-QT-7889 #
> timeout=10
> Fetching upstream changes from
> ssh://bu...@git.metromec.ch/repositories/quartis.git
>   > git --version # timeout=10
>   > git fetch --tags --progress
> ssh://bu...@git.metromec.ch/repositories/quartis.git
> +refs/heads/*:refs/remotes/origin/*
> ERROR: Error cloning remote repo 'origin'
> hudson.plugins.git.GitException: Command "git fetch --tags --progress
> ssh://bu...@git.metromec.ch/repositories/quartis.git
> +refs/heads/*:refs/remotes/origin/*" returned status code 128:
> stdout:
> stderr: fatal: protocol error: bad line length character: buil
>
> I also tried username/private key from Jenkins and got:
> Cloning repository ssh://git.metromec.ch/repositories/quartis.git
>   > git init C:\Jenkins-Jobs\workspace\Branch-origin-features-QT-7889 #
> timeout=10
> Fetching upstream changes from
> ssh://git.metromec.ch/repositories/quartis.git
>   > git --version # timeout=10
> using GIT_SSH to set credentials Build user from the VMs (with key)
>   > git fetch --tags --progress
> ssh://git.metromec.ch/repositories/quartis.git
> +refs/heads/*:refs/remotes/origin/*
> ERROR: Error cloning remote repo 'origin'
> hudson.plugins.git.GitException: Command "git fetch --tags --progress
> ssh://git.metromec.ch/repositories/quartis.git
> +refs/heads/*:refs/remotes/origin/*" returned status code 128:
> stdout:
> stderr: plink: unknown option "-o"
> fatal: Could not read from remote repository.
>
> How do I provide the correct credentials for this user in this setup?
>
> TIA and best regards
> Andreas
> --
> Andreas Tscharner sternenfe...@gmail.com
>
> Gordon's Law:
> If you think you have the solution, the question was poorly phrased.
>
> --
> You received this message because you are subscribed to the Google Groups
> "Jenkins Users" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to jenkinsci-users+unsubscr...@googlegroups.com.
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/jenkinsci-users/d92a7ac0-9a49-c423-ca34-722604050156%40gmail.com
> .
> For more options, visit https://groups.google.com/d/optout.
>

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Re: git operations over ssh in Windows agent

[Andreas Tscharner]

On 28.09.2017 17:12, Mark Waite wrote:
I don't use putty and plink in my Windows based test setup for the git 
plugin.  Can you share the key reasons you chose those non-default 
installation options?




IMHO PuTTY is THE ssh client for Windows (first hit with Google ("ssh 
for Windows"), used by TortoiseGit and TortoiseSVN); and because I 
already had installed it when we switched to git, I used it.


I assume the git plugin does not work with PuTTY?

Best regards
Andreas
--
Andreas Tscharner sternenfe...@gmail.com

Gordon's Law:
If you think you have the solution, the question was poorly phrased.

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Re: git operations over ssh in Windows agent

[Dirk Heinrichs]

Am 28.09.2017 um 16:54 schrieb Andreas Tscharner:
> Hello World,
>
> I have the following setup:
>
> git Server: Debian Linux 9.1
> Jenkins master: Debian Linux 9.1
> Jenkins agent: Windows 7
>
> I created a user on the git server for building, it is called "build".
> I also have created a ssh key-pair for that user. The public key is in
> the authorized_keys file on the git server. I have installed PuTTY on
> the Windows agent, and I autostart Pageant with the key for the user
> "build". git v2.14.2 is installed on Windows as well and GIT_SSH
> contains the full path to PuTTY plink.exe. If I use PuTTY to log in to
> the git server, it works without a problem (and without a password as
> well as Pageant serves the key).
>
> I now wanted to use this setup with Jenkins and it always fails. If I
> enter the git commands it shows on the console output on a cmd.exe it
> works, but it does not work with Jenkins.
>
> I tried with the credentials username/password, I get:
> Cloning repository ssh://git.metromec.ch/repositories/quartis.git
>  > git init C:\Jenkins-Jobs\workspace\Branch-origin-features-QT-7889 #
> timeout=10
> Fetching upstream changes from
> ssh://git.metromec.ch/repositories/quartis.git
>  > git --version # timeout=10
> using GIT_ASKPASS to set credentials Build user from the VMs
>  > git fetch --tags --progress
> ssh://git.metromec.ch/repositories/quartis.git
> +refs/heads/*:refs/remotes/origin/*
> ERROR: Error cloning remote repo 'origin'
> hudson.plugins.git.GitException: Command "git fetch --tags --progress
> ssh://git.metromec.ch/repositories/quartis.git
> +refs/heads/*:refs/remotes/origin/*" returned status code 128:
> stdout:
> stderr: fatal: protocol error: bad line length character: logi

This looks to me as if you were trying to run the git commands from an
"Execute Windows Batch" step in your Jenkins job. It's far easier to
simply use the Git plugin to do the job together with the SSH key you
provided to Jenkins via "Manage Jenkins" -> "Credentials". This can also
be configured to use JGit so that you don't even need GfW installed.

HTH...

    Dirk
-- 
*Dirk Heinrichs*
Senior Systems Engineer, Delivery Pipeline
OpenText^TM Discovery | Recommind
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Re: git operations over ssh in Windows agent

[Andreas Tscharner]

On 29.09.2017 09:11, Dirk Heinrichs wrote:


This looks to me as if you were trying to run the git commands from an 
"Execute Windows Batch" step in your Jenkins job. It's far easier to 
simply use the Git plugin to do the job together with the SSH key you 
provided to Jenkins via "Manage Jenkins" -> "Credentials". This can also 
be configured to use JGit so that you don't even need GfW installed.




Actually that is the console output of a
checkout([$class: 'GitSCM', branches:
line (within the first stage) with tries username/password, username/key 
and no credentials using the username in the repository line ("user@git...")


Best regards
Andreas
--
Andreas Tscharner sternenfe...@gmail.com

Gordon's Law:
If you think you have the solution, the question was poorly phrased.

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