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mirror of https://github.com/SAP/jenkins-library.git synced 2024-12-14 11:03:09 +02:00
sap-jenkins-library/createDocu.groovy
2018-10-16 15:44:41 +02:00

360 lines
8.7 KiB
Groovy

import groovy.io.FileType;
import org.yaml.snakeyaml.Yaml
import org.codehaus.groovy.control.CompilerConfiguration
import com.sap.piper.DefaultValueCache
import java.util.regex.Matcher
roots = [
'vars',
'src',
]
def stepsDir
def outDir
def stepDocuDir
//
// assign parameters
if(args.length >= 1)
stepsDir = new File(args[0])
stepsDir = stepsDir ?: new File('vars')
if(args.length >= 2)
outDir = new File(args[1])
outDir = outDir ?: new File('out')
if(args.length >= 3)
stepsDocuDir = new File(args[2])
stepsDocuDir = stepsDocuDir ?: new File('documentation/docs/steps')
// assign parameters
//
//
// sanity checks
if( ! outDir.exists() ) {
if(! outDir.mkdirs()) {
System.err << "Cannot create output direcrory '${outDir}'.\n"
System.exit(1)
}
}
if( !stepsDocuDir.exists() ) {
System.err << "Steps docu dir '${stepsDocuDir}' does not exist.\n"
System.exit(1)
}
if( !stepsDir.exists() ) {
System.err << "Steps dir '${stepsDir}' does not exist.\n"
System.exit(1)
}
// sanity checks
//
def blacklist = [
'toolValidate',
'transportRequestCreate',
'cloudFoundryDeploy',
'artifactSetVersion',
'testsPublishResults',
'transportRequestUploadFile',
'snykExecute', // docu does not exist
'batsExecuteTests',
'transportRequestRelease',
'setupCommonPipelineEnvironment',
'dockerExecute',
'durationMeasure',
'prepareDefaultValues',
'pipelineStashFilesAfterBuild',
'pipelineStashFiles',
'handlePipelineStepErrors',
'newmanExecute',
'commonPipelineEnvironment',
'pipelineStashFilesBeforeBuild',
'seleniumExecuteTests',
'pipelineExecute',
]
List steps = []
//
// find all the steps we have to document
stepsDir.traverse(type: FileType.FILES, maxDepth: 0)
{ if(it.getName().endsWith('.groovy')) steps << (it =~ /vars\/(.*)\.groovy/)[0][1] }
def gse = new GroovyScriptEngine( [ stepsDir.getName() ] as String[] , getClass().getClassLoader() )
def prepareDefaultValuesStep = getPrepareDefaultValuesStep(gse)
for (step in steps) {
if(blacklist.contains(step)) {
// better: simply copy over the input file to the output file directory ...
System.err << "[INFO] Step '${step}' is blacklisted. No docu will be created for that step.\n"
continue
}
System.err << "[INFO] Handling step '${step}'.\n"
def defaultConfig = getConfigHelper().loadStepDefaults(getDummyScript(prepareDefaultValuesStep, step)).use()
def params = [] as Set
//
// scopedParameters is a map containing the scope as key and the parameters
// defined with that scope as a set of strings.
def scopedParameters
try {
scopedParameters = getScopedParameters(gse.createScript( "${step}.groovy", new Binding() ))
scopedParameters.each { k, v -> params.addAll(v) }
} catch(Exception e) {
System.err << "Step '${step}' violates naming convention for scoped parameters: ${e}."
System.exit(1)
}
def requiredParameters = getRequiredParameters(new File(stepsDir, "${step}.groovy"))
params.addAll(requiredParameters)
def parameters = [:]
normalize(params).toSorted().each {
it ->
def parameterProperties = [
defaultValue: getValue(defaultConfig, it.split('/')),
required: requiredParameters.contains((it as String))
]
parameters.put(it, parameterProperties)
// The scope is only defined for the first level of a hierarchical configuration.
// If the first part is found, all nested parameters are allowed with that scope.
def firstPart = it.split('/').head()
scopedParameters.each { key, val ->
parameterProperties.put(key, val.contains(firstPart))
}
}
scanDocu(new File(stepsDir, "${step}.groovy"), parameters)
def text = new File(stepsDocuDir, "${step}.md").text
text = text.replace('__PARAMETER_TABLE__', createParametersTable(parameters))
text = text.replace('__PARAMETER_DESCRIPTION__', createParameterDescriptionSection(parameters))
new File(outDir, "${step}.md").withWriter { w -> w.write text }
}
System.err << "[INFO] done.\n"
def getConfigHelper() {
def compilerConfig = new CompilerConfiguration()
compilerConfig.setClasspathList( roots )
new GroovyClassLoader(getClass().getClassLoader(), compilerConfig, true)
.parseClass(new File('src/com/sap/piper/ConfigurationHelper.groovy'))
.newInstance()
}
def getPrepareDefaultValuesStep(def gse) {
def prepareDefaultValuesStep = gse.createScript('prepareDefaultValues.groovy', new Binding())
prepareDefaultValuesStep.metaClass.handlePipelineStepErrors {
m, c -> c()
}
prepareDefaultValuesStep.metaClass.libraryResource {
f -> new File("resources/${f}").text
}
prepareDefaultValuesStep.metaClass.readYaml {
m -> new Yaml().load(m.text)
}
prepareDefaultValuesStep
}
def getDummyScript(def prepareDefaultValuesStep, def stepName) {
def _prepareDefaultValuesStep = prepareDefaultValuesStep
def _stepName = stepName
return new Script() {
def STEP_NAME = _stepName
def prepareDefaultValues() {
_prepareDefaultValuesStep()
}
def run() {
throw new UnsupportedOperationException()
}
}
}
def createParametersTable(Map parameters) {
def t = ''
t += '| name | mandatory | default | possible values |\n'
parameters.keySet().toSorted().each {
def props = parameters.get(it)
t += "| `${it}` | ${props.required ? 'yes' : 'no'} | `${(props.defaultValue ?: 'n/a') }` | ${props.value ?: 'n/a'} |\n"
}
t
}
def createParameterDescriptionSection(Map parameters) {
def t = ''
parameters.keySet().toSorted().each {
def props = parameters.get(it)
t += "* `${it}` - ${props.docu ?: 'n/a'}\n"
}
t
}
def normalize(Set p) {
def normalized = [] as Set
def interim = [:]
p.each {
def parts = it.split('/') as List
_normalize(parts, interim)
}
interim.each { k, v -> flatten (normalized, k, v) }
normalized
}
def flatten(Set flat, def key, Map interim) {
if( ! interim ) flat << (key as String)
interim.each { k, v ->
def _key = "${key}/${k}"
if( v && v.size() > 0 )
flatten(flat, _key, v)
else {
flat << (_key as String)
}
}
}
def _normalize(List parts, Map interim) {
if( parts.size >= 1) {
if( ! interim[parts.head()]) interim[parts.head()] = [:]
_normalize(parts.tail(), interim[parts.head()])
}
}
void scanDocu(File f, Map params) {
boolean docu = false,
value = false,
scanNextLineForParamName = false
def docuLines = [],
valueLines = []
f.eachLine {
line ->
if(scanNextLineForParamName) {
scanNextLineForParamName = false
Matcher m = (line =~ /.*withMandatoryProperty\(.*'(.*)'.*/)
if(m.size() == 1 && m[0].size() == 2) {
// otherwise there is a comment we do care for
def param = m[0][1]
def _docu = [], _value = []
docuLines.each { _docu << it }
valueLines.each { _value << it}
params[param].docu = _docu*.trim().join(' ')
params[param].value = _value*.trim().join(' ')
}
docuLines.clear()
valueLines.clear()
}
if( line.trim() ==~ /^\/\*\*/ ) {
docu = true
}
if(docu) {
def _line = line.replaceAll('^.*\\*/?', '').trim()
if(_line ==~ /@value.*/) {
value = true
}
if(_line) {
if(value) {
if(_line ==~ /@value.*/)
_line = (_line =~ /@value\s*?(.*)/)[0][1]
valueLines << _line
} else {
docuLines << _line
}
}
}
if(docu && line.trim() ==~ /^\*\//) {
docu = false
value = false
scanNextLineForParamName = true
}
}
}
def getScopedParameters(def script) {
def params = [:]
params.put('STEP_CONFIG', script.STEP_CONFIG_KEYS ?: [])
params.put('GENERAL_CONFIG', script.GENERAL_CONFIG_KEYS ?: [] )
params.put('PARAMS', script.PARAMETER_KEYS ?: [] )
return params
}
def getRequiredParameters(File f) {
def params = [] as Set
f.eachLine {
line ->
if( line ==~ /.*withMandatoryProperty.*/ ) {
def param = (line =~ /.*withMandatoryProperty\('(.*)'/)[0][1]
params << param
}
}
return params
}
def getValue(Map config, def pPath) {
def p =config[pPath.head()]
if(pPath.size() == 1) return p // there is no tail
if(p in Map) getValue(p, pPath.tail())
else return p
}