That way, when Jenkins requests an agent for a specific docker template, the docker host starts a container and pick up an available port in the range specified to map to the container SSH port. But the ephemeral port range is large: 32768 to 61000. This allows further interaction with the Docker container in the Jenkins job, e.g.
The docker template instance capacity ensure that no more than 5 containers are running simultaneously and therefore prevents that the same port be requested twice.
Variables exported by create and start commands: DOCKER_CONTAINER_IDS - IDs of created/started containers, DOCKER_IP_$HOSTNAME - IP of running container with hostname $HOSTNAME. Our global team of Certified Jenkins Engineers are ready to help you. You'll need to edit Jenkins system configuration (Jenkins -> Manage -> System configuration) and add a new Cloud of type "Docker".
By default, the Docker Plugin and the Yet Another Docker plugin have a mechanism that automatically picks up a port within the ephemeral port range and bind it to the SSH port (the port specified in the Docker SSH Launcher). How can I modify CloudBees account details? GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together. In Jenkins global configuration, you need to specify Docker REST API URL.
How to get a support bundle when Jenkins will not start? run tests against the application. DockerImageExtractorextension point to get Docker image relations from jobs 6.
However, to preserve backward compatibility, I created new evn. Note that this can be extended for the docker cloud configuration. -p 8080:8080 – it exposes container’s port 8080 to the local system port 8080-p 50000:50000 – same as above, but with the port 50000 –name myjenkins – display name of our container; jenkins/jenkins:lts – it tells “use the LTS version of Jenkins from the jenkins docker repository” For example, if I have a docker cloud with a capacity of 100 and 5 templates each with a capacity of 20.
Combine this option with the exposed ports option. registry URL to use for pull authentication, e.g. You cannot have two applications listening on the same port - for example you cannot have 2 sshd server running on port 20001.
Especially handy when your Docker containers run on a cluster and you do not now beforehand on which Docker host the container will be scheduled. Plugin provides the following features: 1. We can summarize it into the docker installation, the share of the drive, the installation of the docker container, the unlock, and the plugin installation in Jenkins. Thank you for a pull request! Applying suggestions on deleted lines is not supported. API for managing Docker image and container fingerprints 2. Appointment, I want to restrict the port range on which SSH docker agents are listening to. Add this suggestion to a batch that can be applied as a single commit. With this configuration, when Jenkins requests an agent for that docker template, the docker host starts a container and pick up an available port in the range 20001-20005 to map to the container SSH port. Uses components from Docker Commons Plugin which provides APIs for other Docker-related plugins. The test button lets you check the connection. Now, you are all set to start with Continuous Integration, on your own PC. ToolInstallationfor Docker CLI clients 5. Go to the configuration of the Shared Cloud / Docker cloud, then depending on the solution being used: As an example, I set an instance capacity of 5 for my docker template and set the options 20001-20005:22 in the port binding field. start/stop all containers created from specified image, For other nodes, you may need to set something like. What is a support-bundle and how to create one, Supported Product Versions and Release End of Life, Support Lifecycle and Update Policies for CloudBees Jenkins Enterprise, Using cbsupport CLI to collect the requested data, Java compatibility, Apache Maven and Jenkins Best Practices, CloudBees CI (CloudBees Core) Performance Best Practices for Linux, CloudBees Jenkins Enterprise - Managed Master, CloudBees Jenkins Enterprise - Operations Center, CloudBees Jenkins Platform - Client Master, CloudBees Jenkins Platform - Operations Center, Tested product/plugin versions [mandatory, when it applies], Operations Center Docker Cloud Plugin 188.8.131.52, Schedule an
Simple UI referring related image fingerprints in Docker builds docker build -t jenkins:jcasc . What matters is that the container capacity - number of containers that can be started by the cloud/template - is inferior or equal to the number of ports in the port range specified. In Jenkins global configuration, you need to specify Docker REST API URL. This suggestion has been applied or marked resolved. E.g. privacy statement.
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