docker-workflow-plugin | Jenkins plugin which allows building | Continuous Deployment library
kandi X-RAY | docker-workflow-plugin Summary
kandi X-RAY | docker-workflow-plugin Summary
Jenkins plugin which allows building, testing, and using Docker images from Jenkins Pipeline projects.
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Top functions reviewed by kandi - BETA
- Get a script for an annotated agent
- Returns the label of the current build
- Returns the current run if it exists otherwise null
- Returns the container id of the container
- Get container id
- Parse docker file arguments
- Parse dockerfile argument
- Tries to get the container ID
- Launches the launcher
- Retrieves the container record for a container
- Get the date created for the given object id
- Gets dockerfile path
- Returns a list of mounted volumes of a container
- Parse build - - - - args command line arguments
- Get the Docker value of a script
- Queries and returns the information about the current user
- Run a docker image
- Lists the top nodes in the container
- Lists the current process
- Adds an image to a container
docker-workflow-plugin Key Features
docker-workflow-plugin Examples and Code Snippets
Community Discussions
Trending Discussions on docker-workflow-plugin
QUESTION
I recently updated from Debian 10 (Buster) to 11 (Bullseye) and since then my Jenkins setup inside Docker is not working anymore, as Jenkins tries to find out if it is running in a docker container by checking /proc/self/cgroup
.
Normally /proc/self/cgroup
inside a docker container would look something like this:
ANSWER
Answered 2021-Aug-31 at 22:01The change in behavior is due to that debian uses cgroups v2 starting with Debian 11/Bullseye. The docker engine itself supports cgroups v2 since v20.10.x.
This means, as soon as you have a distribution that uses cgroups v2 and a recent version of the Docker engine, you cannot get the container id with your method.
I've opened a similar question to find an alternative method: How to get docker container ID from within the container with cgroup v2
The only way I know to get the id is by using the docker api, but that is not an elegant solution if you just want to know if the process runs inside a container. (And may pose a security risk if you expose the docker socket inside the container)
For now as a workaround you could manually signal the process that it is run inside a container environment, e.g. by specifying an environment variable on container creation.
QUESTION
I want to modify the path in a docker container to control tool selection without the need to modify existing pipeline code. I've a shared library and client builds call runAnsible which then runs pipeline DSL within a docker container via the docker-workflow-plugin.
However, when I use withEnv
docker.inside, I cannot modify path
ANSWER
Answered 2021-Apr-28 at 14:27Docker workflow plugin allows args to be passed to the docker run command which creates the container. These args are just a string and its integrity appears respected by the pluign whereas withEnv
has some kind of filter in this context.
Therefore, this works but it does assume that I know or can determine the original path. I could run the container without path modification and use a sh(script: 'echo $PATH', returnStdout: true).trim()
via docker.inside to get the knownOriginalPath in an earlier step to fee the code below
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install docker-workflow-plugin
You can use docker-workflow-plugin like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the docker-workflow-plugin component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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