Gitlab Setup Ssh

Gitlab Setup Ssh. How It WorksSsh Keys When Using The Docker ExecutorSsh Keys When Using The Shell ExecutorVerifying The Ssh Host KeysExample ProjectCreate a new SSH key pair locally with sshkeygenAdd the private key as a variabletoyour projectRun the sshagentduring job to loadthe private keyCopy the public key to the servers you want to have access to (usually in~/ssh/authorized_keys) or add it as a deploy keyif you are accessing a private GitLab repository When your CI/CD jobs run inside Docker containers (meaning the environment iscontained) and you want to deploy your code in a private server you need a wayto access it In this case you can use an SSH key pair 1 You first must create an SSH key pair For more information followthe instructions to generate an SSH keyDo not add a passphrase to the SSH key or the before_scriptwillprompt for it 2 Create a new CI/CD variableAs Key enter the name SSH_PRIVATE_KEY and in the Value field pastethe content of your privatekey that you created earlier 3 Modify your gitlabciyml with a before_script action In the followingexample a Debian based image is assumed Edit to your needsbefore_script ## ## Install sshagent if not already installed it is required by Docker ## (change aptget to yum if you use an RPMbased image) ## &#39commandvsshagent>/dev/null||(aptgetupdatey&&aptgetinstallopensshclienty)&#39 ## ## Run sshagent (inside the build environment) ## eval $(sshage If you are using the Shell executor and not Docker it is easier to set up anSSH key You can generate the SSH key from the machine that GitLab Runner is installedon and use that key for all projects that are run on this machine 1 First log in to the server that runs your jobs 2 Then from the terminal log in as the gitlabrunner usersudo su gitlabrunner 3 Generate the SSH key pair as described in the instructions togenerate an SSH keyDo not add a passphrase to the SSH key or the before_scriptwillprompt for it 4 As a final step add the public key from the one you created earlier to theservices that you want to have an access to from within the build environmentIf you are accessing a private GitLab repository you must add it as adeploy key After generating the key try to sign in to the remote server to accept thefingerprint For accessing repositories on GitLabcom you would use git@gitlabcom It is a good practice to check the private server’s own public key to make sureyou are not being targeted by a maninthemiddle attack If anythingsuspicious happens you notice it because the job fails (the SSHconnection fails when the public keys don’t match) To find out the host keys of your server run the sshkeyscancommand from atrusted network (ideally from the private server itself) Create a new CI/CD variable withSSH_KNOWN_HOSTS as “Key” and as a “Value” add the output of sshkeyscan If you must connect to multiple servers all the server host keysmust be collected in the Valueof the variable one key per line Now that the SSH_KNOWN_HOSTS variable is created in addition to thecontent of gitlabciymlabove you must add We have set up an Example SSH Project for your conveniencethat runs on GitLabcom using our publicly availableshared runners Want to hack on it? Fork it commit and push your changes In a fewmoments the changes is picked by a public runner and the job starts.

Go and open the id_rsapub file (you can use any text editor you want) Copy the entire content of that file and then open https//gitlabcom/profile/keys Paste the content you copied from id_rsapub in the Key input ( don&#39t add extra spaces or characters ) Give your key a descriptive name and then Add the key.

Using SSH keys with GitLab CI/CD GitLab

− To create SSH key open the command prompt and enter the command as shown below − − Now login to your GitLab account and click on the Settings option − To create SSH key click on the SSH keys tab at left side of the menu − Now go to C drive you will see the file with pub extension which was generated in the first step.

SSH GitLab

To enable SSH StrictHostKeyChecking make sure the [runnerssshdisable_strict_host_key_checking] is set to false The current default is true In GitLab 150 and later the default value will be false meaning host key checking is required We are not setting the value to false immediately because we don’t want to break existing builds.

GitLab SSH Key Setup Tutorialspoint

Add an SSH key to your GitLab account Copy the contents of your public key file You can do this manually or use a script For example to copy an ED25519 key to the clipboard Sign in to GitLab On the top bar in the top right corner select your avatar Select Preferences On the left sidebar.