I haven't used them in over a decade so I don't know if they are good or not, but at least it will give you a starting point at looking at this). If your IP changes regularly (or you just want to go to the next level) you can look into a public dynamic dns (which requires a local client) to give you a DNS name that always points to your IP address (e.g. During webhook where I need to pass the gitrepo and gitbranch as a parameter. If you are connected to your ISP 24x7 then your public IP probably doesn't change that often (if ever), and this will probably work for you. 2 I am using a parameterized declarative downstream job in Jenkins. Refresh the page, check Medium ’s site status, or find something interesting to read. You can find out just the IP by going to and Google will tell you what your public IP is. How to Add Github Webhooks to a Jenkins Pipeline by Al-Waleed Shihadeh Better Programming 500 Apologies, but something went wrong on our end. (This is still not good security, but it is better than nothing.)Įdit: I left out one important thing: you need to tell GitHub to hit your public IP address in order for the port forwarding to work. You might want to have some random port number on your router going to port 8080 internally. This can provide a level of security through obscurity - since most developers tend to have servers running on port 8080, some hacker scripts will try that port as a matter of course. Note that the inbound port and the server port do not have to be the same. You can tell your router that if it sees a request coming in on port 8080 then it should send the request to the server at address .x and port xxxx. When a response comes back from the internet to your computer, the router recognizes that it is a response and sends it to the computer that initiated the request.īut if a request comes from the outside world that is not a response, the router does not know where to send it - it just drops it. It does the work of converting all the traffic from the .x addresses into something that can be used in the internet. You probably have a modem/router to connect to your ISP. See for more information on private addresses if you are interested. The .x address is one of the Private address ranges - nobody from the external web can see any of your servers on these addresses. You are on the correct track with port forwarding - you will need to tell your router to forward traffic from your public IP address to your Jenkins server on a specific port. I read it have something with port forwarding. In the job, configured my GitHub repository in the "Source Code Management" section and in the "Build Triggers" section I checked "GitHub hook trigger for GITScm polling". In jenkins, I am using the GitHub plugin and I configured in "Configure System" a GitHub Server with my credentials and the "Test connection" button was verified. Is it wrong to use that URL? I am not sure about it. In the URL inside the webhook I configured " " I configured a webhook in my GitHub settings but after I commit, the "Webhooks" page display an error "Last delivery was not successful. To connect our Jenkins server with our Webhook, we will first need to create an API Token to authenticate from the version control provider (Github in this case). I want my job to build automatically after a commit is made in my GitHub but it does not work. I configured a job and managed to use "Build Now" to get the files from my GitHub repository, the git is public. I have a jenkins running on docker toolbox container and I can access it via 192.168.99.100:8080. But that is what this article describes.Started to learn DevOps 3 days ago, so I have a lot to learn! It is not intuitive that you go to add a build job and click to automatically build on a change but that doesn't work until you go to a whole different place in a different part of the web app to check a box and enter GitHub access info. Its a little better with images but still doesn't tell how to get to the page. Particularly mentioning "Manage hook URLs" without any context whatsoever. Note that when I went to this page from Google without logging in, I did not see any images and that left the text-only content very confusing. (The order is confusing if not utterly wrong.) Then you have to enter credentials to allow access to the GitHub instance (and the credentials have to have admin permission (or maybe somewhat less) to be able to create the hook.īut that only matters if you select the box "Manage hook URLs" because it won't try to use the credentials you entered on line n-1 if you you unselect the check box on line n. Then you have to enter the GitHub URL, whether its at or is an enterprise github instance with some local URL to your network. Manage Jenkins > Configure System > GitHub > GitHub Servers and add one. Where these instructions talk about "Manage hook URLs", they are referring to a single check box that you can get to by doing (from a Master or Client Master only)
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