Jenkins-Swift is a Jenkins CI client, written in Swift for MacOS. The client uses a development snapshot of Swift 3. The project will be updated to follow the latest Swift 3 snapshots as they're released.
The client allows for some simple control of Jenkins jobs and builds. With Jenkins-Swift you can accomplish a variety of tasks including:
- Fetching all the jobs on your Jenkins servers
- Fetching individual jobs
- Creating, Updating and copying jobs
- Deleting jobs
- Retrieving information about the builds for a jobs
Initializing the client with the hostname, or IP address of Jenkins, as well as your port, username, API token and optionally a path to where your jobs are located and the transport method.
For example if your jobs live at http://jenkins.myHost.com:8080/jobs/
You can initialize the jenkins client like so:
jenkins = try Jenkins(host: "jenkins.myHost.com",
port: 8080,
user: "MyUsername",
token: "MyAPIToken",
path: "jobs")
The client will throw an error if the URL it builds from this data is invalid.
You can find your API token by logging into Jenkins and going to the Configure section of your profile. This section will have a button titled Show API Token to get your token. It's recommended to create a new user if deploying the Jenkins client on a server.
Jenkins passes partial objects back from calls that can potentially return a lot of data. Specifically this happens when requesting all jobs, or all builds for a job. The objects returned generally will only include a name, url, and possibly an id.
Fetching a single job or a single build will return all of the data associated with that object.
Fetching jobs is as simple as passing a name, or a Job object to one of the fetch functions.
jenkins.fetch("MyProject") { job in
if let job = job {
print(job)
}
...
}
Passing a job object achieves the same effect, and serves as a convenience method.
Fetching all jobs will return partial job objects:
jenkins.fetchJobs { jobs in
print("Number of jobs: \(jobs.count)")
...
}
You may also wish to fetch the configuration for a job on Jenkins. This configuration is the XML tree used to create and update jobs. Currently no client side parsing is done, and the XML is passed back to the fetch configuration function.
jenkins.fetchJobConfiguration("MyProject") { xml, error in
if let error = error {
print(error)
return
}
print("Xml Length: \(xml.characters.count)")
}
The XML passed back from this function can be used later to create a new job, or can be updated and uploaded to update the original project it was pulled from.
Creating a job requires valid Jenkins configuration xml. An example of this XML can be found by fetching the configuration from an existing job on your system.
jenkins.create("MyNewProject", configuration: response) { error in
if let error = error {
print(error)
return
}
print("Created Project")
}
Similar to creating a project, updating a project only requires valid Jenkins configuration XML and a call to the update function
jenkins.update("MyExistingProject", configuration: response) { error in
if let error = error {
print(error)
return
}
print("Updated Project")
}
Sometimes you may want to update the description of the project without going through the hassle of reading and writing configuration XML. Use the Update method and pass in a description parameter instead of a configuration.
jenkins.update("MyProject", description: updateString) { error in
if let error = error {
print("Error Updating Description: \(error)")
return
}
print("Description Updated")
}
Jenkins includes a native web-api call for copying jobs that makes the process a simple. Call the copy method passing in the existing project name, and the name of the new project.
jenkins.copy("oldProjectToCopy", to: "MyNewProject") { error in
if let error = error {
print(error)
return
}
print("Copied project")
}
Call the delete method and pass in a job to delete it from Jenkins. There's no validation here, and the call is destructive. We recommend you use the disable function instead of deleting a project.
jenkins.delete("MyJobToDelete") { error in
...
print("Deleted \(job)")
}
Both enabling and disabling require a simple call with the name of the project.
// Disable job
jenkins.disable(job: "MyProject") { error in
if let error = error {
print("Error disabling job: \(error)")
return
}
print("Disabled job")
}
// Enable job
jenkins.enable(job: "MyProject") { error in
if let error = error {
print("Error enabling job: \(error)")
return
}
print("Enabled job")
}
Building a job requires using 1 of 2 methods, depending on whether or not your project requires parameters. In both cases, you call the build method, and optionally pass in parameters. If parameters are passed in, the client will use the appropriate path to build the project with parameters. If parameters are required but aren't passed into the function, Jenkins will return an error.
// Build without parameters
jenkins.build("MyProject") { error in
if let error = error {
print(error)
return
}
print("Built Job Without Parameters")
}
// Build with parameters
let parameters: [String : String] = [
"SlackChannel" : "MyProject-Channel",
"Configuration" : "Test",
"isReleaseBuild" : "true"
]
jenkins.build("MyProject", parameters: parameters) { error in
if let error = error {
print(error)
return
}
print("Building Job With Paramaters: \(parameters)")
}
This client supports retrieving code coverage reports from Jacoco and Cobertura plugins.
jenkins.coberturaCoverage(project, handler: { report in
if let report = report {
print(report.ratio(of: CoberturaCodeCoverageElementType.Lines))
}
})
jenkins.jacocoCoverage(project, handler: { report in
if let report = report {
report.ratio(of: JacocoCodeCoverageElementType.LineCoverage)
}
})
See the contributing document for more information. Thank you to all contributors.
Jenkins-Swift is free software and may be redistributed under the terms specified in the LICENSE file.
Jenkins-Swift is maintained by Patrick Butkiewicz and Intrepid Pursuits.
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