Can't connect jenkins to gitlab - jenkins

I have a setup of 2 VMs : VM1 with jenkins, VM2 with gitlab
On VM2 I have created a repo with user root with public access http://192.168.0.32/root/sparkjava_hello_world (acccess OK)
and generate the access token
On VM1:
- I installed the gitlab plugin in jenkins
- I copied the public key of user jenkins to authorized_key of user git in VM2 : from user jenkins shell, ssh git#VM2 is OK, no password asked
- I created the gitlab api credential and pasted the access token in it
- I configured the gitlab url in Manage Jenkins -> Configure System menu (it responds ok)
BUT when I setup the git source git#192.168.0.32:root/sparkjava_hello_world.git in my jenkins job, it doesnt work :
Failed to connect to repository : Command "/usr/bin/git ls-remote -h git#192.168.0.32:root/sparkjava_hello_world.git HEAD" returned status code 128:
stdout:
stderr: fatal: 'root/sparkjava_hello_world.git' does not appear to be a git repository
fatal: Could not read from remote repository.
I assume the ssh connection to VM2 is ok, since this is not a connection refused message.
I tried "ssh://git#192.168.0.32:root/sparkjava_hello_world.git" doesnt work either
What did i missed, or did wrong ??
thanks for help :)

Check that in VM2 you do have (as defined by default in a typical gitlab.yml) a /home/git/repositories/root/sparkjava_hello_world.git
Try an interactive ssh session on VM2 (from VM1), and do the ls-remote there:
ssh git#192.168.0.32
git ls-remote /home/git/repositories/root/sparkjava_hello_world.git
For Jenkins, what you need is to use your public key (~/.ssh/id_rsa.pub) as:
a deploy key on the GitLab side
a credential on the Jenkins side (see this tutorial)
Make sure to deploy that deploy key on your GitLab project (project settings/deploy keys), and then your Jenkins will be able to access your GitLab project (using that ssh key as credential).
Note: the normal use of a GitLab user key (like user xxx) in VM1 would be:
to define a user xxx in GitLab
to associate its public key in its user settings/ssh keys (that will modify ~git/.ssh/authorized_keys for you, adding a forced command line (this link is for gitolite, but it applies to gitlab too)
That means an ssh -T git#192.168.0.32 should not open an interactive session, but generate the message:
Welcome to GitLab, xxx

Related

Unable to connect to my bitbucket repo from jenkins

I have jenkins installed in EC2 instance. When i try to talk to bitbucket repo:
Failed to connect to repository : Error performing git command: git ls-remote -h
I'm seeing 1 problem on your git configuration, you don't have set any credentials there.
Try to set your user credentials (For bitbucket) on the Jenkins settings.
I tried applying the private key to jenkins credentials page and public key to bitbucket ssh settings page.
We tried a couple of jeknkins bitcucket plugins and and tried applying the following:
Add Credentials --> Username and password --> then the bitbucket username and password
Add Credentials --> Kind-->SSH Username and private key --> bitbucket username and passphrase as blank
Add Credentials-->Kind-->Bitbucket personal access token-->private key-->from the ssh -->username->>bitbucket -->passphrase as blank

Can't find SSH keys settings under travis project settings

My CI project is dependent on another private repo. So I refer to the document to upload the private key using
➜ travis sshkey --upload ~/.ssh/id_travis_rsa --pro
Updating ssh key for Jeff-Tian/uni-sso with key from /Users/tianjef/.ssh/id_travis_rsa
Current SSH key: key for clone k8s-config
Finger print: 65:25:66:26:4d:5d:9f:ac:25:ba:ea:be:c4:d5:e3:5f
From the above I double checked the finger print, and compares to the github ssh keys:
They are matched.
However, the travis build still fails by:
(https://travis-ci.com/github/Jeff-Tian/uni-sso/builds/161350192)
$ git clone git#github.com:Jeff-Tian/k8s-config.git ${HOME}/k8s-config
Cloning into '/home/travis/k8s-config'...
Warning: Permanently added the RSA host key for IP address '140.82.114.4' to the list of known hosts.
Permission denied (publickey).
fatal: Could not read from remote repository.
Please make sure you have the correct access rights
and the repository exists.
The command "git clone git#github.com:Jeff-Tian/k8s-config.git ${HOME}/k8s-config" failed and exited with 128 during .
And then I check the settings on travis settings, can't find the ssh keys settings pane:
Help:
Where goes wrong? Is it a Travis CI bug?
Seems the ssh keys config is only available for private repos.
The issue here is the main repo is public, but when deploy it, a private repo need to be downloaded. This scenario is not covered by the official document.
The workaround is to switch copying the private repo via https instead of ssh, so no need to upload the ssh keys.
By setting up the GH_TOKEN in the setting, and then write that token to .netrc file. Then copy the private repo using https is working:
.travis.yml:
- echo -e "machine github.com\n login $GH_TOKEN" > ~/.netrc
- git clone https://github.com/Jeff-Tian/k8s-config.git ${HOME}/k8s-config

Failed to connect to repository in Jenkins to GitLab

Error looks like:
Failed to connect to repository : Command "git ls-remote -h HEAD" returned status code 128:
stdout:
stderr: remote: HTTP Basic: Access denied
fatal: Authentication failed for
You are using the wrong user name and password:
1. create an API token against your username in your gitlab
2. Add the AccessToken and username in your Jenkins credentials. instead of using the username and password.
Just try out the connection:
log in to the Jenkins server and try to run the command 'git ls-remote -h url'
and provide user name and AccessToken which you have created in gitlab and configured in Jenkins.
It will provide an output if the username and API matches or else it will give an error as authentication failure...
And make sure your username has access to the repository
Go through LINK, which guides for how to create Global Credentials for Git API Token and for other users.
Create an Interpersonal User under Global Credential which you can then use in all Jenkins jobs.
Make sure that you add the SSH Private key (with Jenkins generate or of your choice's Credential Id), take a kind as 'SSH User with Private Key'
While creating Jenkins job in SCM > Git connection you can select credentials of Interpersonal User from Add dropdown.

Jenkins Failed to Connect to Repository

I am trying to connect Jenkins to a private BitBucket repository.
I have a set (both id_rsa and id_rsa.pub) of SSH keys generated at /var/lib/jenkins/.ssh. I've copied the id_rsa.pub key and pasted it in the deploy keys section of my BitBucket repository. Similarly, running the command git ls-remote -h git#bitbucket.org:user/project.git has a valid return and has been added to known_hosts.
What might be causing my Jenkins to not connect in the git Source Code Management section of Jenkins? The error returned is:
Failed to connect to repository : Command "git -c core.askpass=true ls-remote -h https://git#bitbucket.org/user/project.git HEAD" returned status code 128:
stdout:
stderr: remote: Invalid username or password. If you log in via a third party service you must ensure you have an account password set in your account profile.
fatal: Authentication failed for 'https://git#bitbucket.org/user/project.git/'
I also tried ssh -Tv git#bitbucket.org as per this doc from Atlassian regarding troubleshooting SSH issues. The return states at that:
This deploy key has read access to the following repositories:
user/project: Jenkins -- jenkins#ip-xxx-xx-xx-xxx
For the Project Repository field that Jenkins' Git Plugin provides, it seems that one of their examples shown in their home page for that field (specifically, https://git#bitbucket.org/user/project.git) does not work. It might either be a case of plugin version, or how BitBucket might be configured differently than GitHub, of which their documentation uses for examples.
What did work for me however, was using the git address of the following format:
git#bitbucket.org:user/project.git

Setting git private repository project on jenkins server

I am trying to set git private repo on jenkins server. I have installed git plugin and also github. when I set repo url in jenkins project ui the error is
Failed to connect to repository : Command "git -c core.askpass=true
ls-remote -h git#github.com:repo/project.git HEAD" returned
status code 128:
stdout:
stderr: Permission denied (publickey).
fatal: The remote end hung up unexpectedl
What I have done up to now:
My server user and jenkin user( both are in same server) are different. Though it seems to me these are not related. jenkins user are given all credintial.
In my server under var/lib/jenkins/.ssh(.ssh is created by me) I added ssh key . Public key is added to github repo.
By swithcting user to jenkins i can clone the project by this ssh. So i think there is not any public key adding problem.
I have googled the problem. there are many solutions. I tried most of them. But still no solution. Probably I am missing something.
My repo url is something like this
git#github.com:repo/project.git
If your HOME set in /var/lib/jenkins/ then i hope all the step you have been done successfully :)
Then one thing may be happen for your case. Like when you switch the user by using:
su jenkins
This command means that you switch the user but the home directory will be same as a root's home!
So you need to switch user by confirming the specific user home also switched. TO doing so, you need to follow:
su -s /bin/bash jenkins
Then you need to generate either the ssh public key once again or just update the known host. This will work.
Related Link
It depends on what HOME is set to when Jenkins is running: git will look for the ssh (public and private) keys under $HOME/.ssh.
Simply add a build step with an echo $HOME, and make sure your .ssh is in that folder.

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