gCubeDepsWalker/Jenkinsfile

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def counts = 0
def projects2artifacts = [:]
def artifacts2projects = [:]
def modules2deps = [:]
def inputProject = 'storagehub-client-library'
def report = [:]
report['project'] = inputProject
pipeline {
agent {
label 'CD'
}
stages {
stage('walking projects') {
steps {
script {
Jenkins.getInstance().getAllItems(TopLevelItem.class).each { p ->
projects2artifacts[p.name] = []
p.getAllJobs().each { j -> projects2artifacts[p.name] << j.name; artifacts2projects[j.name] = p.name }
}
println "FOUND ${projects2artifacts.size()} projects"
projects2artifacts.each { k,v -> println ("PROJECT ${k} BUILDS ${v}") }
}
}
}
stage('walking maven modules') {
steps {
script {
// get all the maven modules and their dependencies
Jenkins.getInstance().getAllItems(hudson.maven.MavenModule.class).each { m ->
modules2deps[m.name] = []
2020-03-10 19:01:00 +01:00
m.getDependencies().each { d -> modules2deps[m.name] << "${d.groupId}:${d.artifactId}" }
}
println "FOUND ${modules2deps.size()} modules"
//modules2deps.each { k,v -> println ("MODULE ${k} DEPENDS on ${v}") }
}
}
}
stage('find downstream projects') {
steps {
script {
println "PROJECT ${inputProject} BUILDS ${projects2artifacts[inputProject]} artifacts"
// first, let's find out what components depends on the project's artifacts (i.e. downstream dependencies)
def downstreamdeps = [:]
report['downstream_modules'] = [:]
report['downstream_projects'] = []
projects2artifacts[inputProject].each { a ->
report['downstream_modules'][a] = [:]
report['downstream_modules'][a]['dependencies'] = []
report['downstream_modules'][a]['projects'] = []
}
projects2artifacts[inputProject].each { a ->
report['downstream_modules'][a]['dependencies'].addAll(findDownstreamDependencies(modules2deps, a))
println "${a} is used by ${report['downstream_modules'][a]['dependencies']}"
}
// then we look for the projects that build the downstream dependencies
report['downstream_modules'].each { module, deps ->
deps['dependencies'].each { d ->
report['downstream_modules'][module]['projects'] << artifacts2projects[d]
report['downstream_projects'] << artifacts2projects[d]
}
}
}
printReport(report)
}
}
}
}
def findDownstreamDependencies(modules2deps, artifact) {
def downdeps = []
println "Looking for users of ${artifact}"
modules2deps.each { k,v -> if (v.contains("${artifact}")) downdeps << k }
downdeps
}
def findProject(projects2artifacts, artifact) {
println "Looking for project that builds ${artifact}"
def name = ""
projects2artifacts.each { k,v -> if (v.contains("${artifact}")) name = k }
name
}
def printReport(report) {
def text = ''
def indent = ''
text += "Dependency Report for ${report['project']} (jenkins project)"
text += "\n\n"
text += "Project Modules\n"
indent += '\t'
report['downstream_modules'].each { module, deps ->
text += "${indent}Module Name: ${module}\n"
text += "${indent}\tDownstream Modules for ${module}\n"
deps['dependencies'].each { d ->
text += "${indent}\t\t${d}"
text += "\n"
}
text += "${indent}\tDownstream Projects for ${module}\n"
deps['projects'].each { p ->
text += "${indent}\t\t${p}"
text += "\n"
}
}
text += "\n\n"
text += "All Downstream Projects\n"
report['downstream_projects'].each { p ->
text += "${indent}${p}"
text += "\n"
}
println text
}
/*
def printJob(job) {
println("fullname ${job.fullName}")
println("name ${job.name}")
println("display name ${job.displayName}")
job.getAllJobs().each {j -> println ("dep: ${j.name}")}
}
*/