Merge pull request #19310 from kenrowland/HPCC-32968 #9
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| name: Generate Graphs for GitHub Action workflows | |
| on: | |
| push: | |
| branches: | |
| - master | |
| paths: | |
| - .github/workflows/*.yml | |
| - .github/workflows/*.yaml | |
| # pull_request: #trigger on pull_request is just for testing purpose | |
| workflow_dispatch: | |
| jobs: | |
| main: | |
| runs-on: ubuntu-22.04 | |
| steps: | |
| - name: Checkout Repository | |
| uses: actions/checkout@v4 | |
| - uses: "actions/setup-python@v5" | |
| with: | |
| python-version: "3.8" | |
| - name: generate Graph | |
| shell: python | |
| run: | | |
| import glob | |
| class YamlFileObject(): | |
| def __init__(self, filename): | |
| self.filename = filename | |
| self.data = None | |
| self.read() | |
| def read(self): | |
| with open(self.filename, 'r') as file: | |
| self.data = file.readlines() | |
| def getFileContent(self): | |
| return iter(self.data) | |
| def getNextLine(file): | |
| try: | |
| line = next(file) | |
| while not line.strip("\n ") or line.strip("\n ").startswith('#'): | |
| line = next(file) | |
| except StopIteration : | |
| return "EOF" | |
| return line.strip('\n') | |
| def getColumnNum(line): #gets the Column number of first word | |
| i = 0 | |
| while line[i] == ' ': | |
| i += 1 | |
| columnNum = i | |
| return columnNum | |
| def getWorkflowName(baseDir,file): | |
| workflowDetails[file] = {'name':file.split('.')[0]} | |
| # name: is not mandatory, so by default assign the name of the yaml file as the workflow name by removing the .yml/.yaml extension | |
| yamlFile = YamlFileObject(baseDir+file) | |
| fileContent = yamlFile.getFileContent() | |
| line = getNextLine(fileContent) | |
| while line != "EOF": | |
| if line.startswith("name:"): # if 'name:' is present in the yaml file then update it | |
| nameLine = line.split(":")[1] | |
| name = nameLine.strip(" ") | |
| workflowDetails[file] = {'name':name} | |
| getWorkflowTriggers(yamlFile,file) | |
| getWorkflowJobs(yamlFile,file) | |
| break | |
| line = getNextLine(fileContent) | |
| def getWorkflowJobs(yamlFile,file): | |
| fileContent = yamlFile.getFileContent() | |
| ColumnNumOfJob = -1 | |
| workflowDetails[file]['jobs'] = {} | |
| line = getNextLine(fileContent) | |
| while line != "EOF" : | |
| if line.startswith("jobs:"): | |
| line = getNextLine(fileContent) | |
| ColumnNumOfJob = getColumnNum(line) | |
| break | |
| line = getNextLine(fileContent) | |
| while ColumnNumOfJob != -1 and line != "EOF" : | |
| if line[ColumnNumOfJob] != ' ' : | |
| jobName = line.strip(" ") #remove trailing spaces | |
| jobName = jobName[:-1] #remove ':' at the end | |
| workflowDetails[file]['jobs'][jobName] = {'name':jobName} | |
| getJobDetails(yamlFile,file,jobName,ColumnNumOfJob) | |
| line = getNextLine(fileContent) | |
| def getJobDetails(yamlFile,file,jobName,columnNum): | |
| fileContent = yamlFile.getFileContent() | |
| for line in fileContent: | |
| if line.strip("\n ") == jobName+':' : | |
| line = getNextLine(fileContent) | |
| subColumnNum = getColumnNum(line) | |
| workflowDetails[file]['jobs'][jobName] = {'name':jobName,'uses':"",'needs':"",'inputs':[] } | |
| job = workflowDetails[file]['jobs'][jobName] | |
| while len(line) > columnNum and line[columnNum] == ' ': | |
| if line.find('name:') != -1 and line[subColumnNum:subColumnNum+4]=='name': | |
| name = line.split(':')[1] | |
| name = name.strip() | |
| job['name'] = name | |
| elif line.find('uses:') != -1 : | |
| uses = line.split(':')[1] | |
| uses = uses.strip(' ') | |
| job['uses'] = uses | |
| elif line.find('needs:') != -1 : | |
| needs = line.split(':')[1] | |
| needs = needs.strip(" ") | |
| job['needs'] = needs | |
| elif line.find('with:') != -1 : | |
| columnNumOfWith = line.find('with:') | |
| line = getNextLine(fileContent) | |
| while len(line) > columnNumOfWith and line[columnNumOfWith] == " " : | |
| input = line.strip(" ") | |
| if len(input) > 30: | |
| input = input[:30]+'...' | |
| job['inputs'].append(input) | |
| line = getNextLine(fileContent) | |
| if(line.find('steps:') != -1 or line == "EOF" or line[columnNum] != " "): | |
| break | |
| line = getNextLine(fileContent) | |
| def getWorkflowTriggers(yamlFile,file): | |
| workflowDetails[file]['trigger'] = [] | |
| fileContent = yamlFile.getFileContent() | |
| for line in fileContent: | |
| if line.strip("\n ").startswith("on:"): | |
| line = line.split(':')[1] | |
| line = line.strip("\n ") | |
| if line and not line.startswith('#'): # This case handles triggers which are declared on the same line of "on:" key example: on: [push, pull_request] | |
| line = line.replace("[","") | |
| line = line.replace("]","") | |
| line = line.replace(" ","") | |
| line = line.replace('#',',#') | |
| for trigger in line.split(','): | |
| if not trigger.startswith('#'): | |
| workflowDetails[file]['trigger'].append(trigger) | |
| else : # Here it handles triggers that are declared on the next line of "on:" key | |
| columnNumOfOn = 0 | |
| line = getNextLine(fileContent) | |
| subColumnNum = getColumnNum(line) | |
| while line[columnNumOfOn] == " ": | |
| if line[subColumnNum] != " ": | |
| trigger = line.strip(" ") | |
| trigger = trigger.split(':')[0] | |
| workflowDetails[file]['trigger'].append(trigger) | |
| line = getNextLine(fileContent) | |
| workflowsDir = '.github/workflows/' | |
| yaml_files = glob.glob(workflowsDir+'*.y*ml') | |
| workflowDetails = {} #This is the main dictionary where all the workflow details are stored | |
| for file in sorted(yaml_files): | |
| file = file.split('/')[-1] | |
| getWorkflowName(workflowsDir,file) | |
| markdown = workflowsDir+'ActionFlow.md' | |
| with open( markdown ,'w') as markdownFile: | |
| markdownFile.write('# GitHub Actions Workflow Overview\n\n') | |
| sortedDictionary = dict(sorted(workflowDetails.items(),key = lambda item:item[1]['name'])) | |
| for file in sortedDictionary: | |
| uniqFileName = workflowDetails[file]['name'] | |
| uniqFileName = uniqFileName.replace(' ','_') #replace spaces with underscore | |
| uniqFileName = uniqFileName.replace('(','_') #replace parenthesis with underscore | |
| uniqFileName = uniqFileName.replace(')','_') | |
| uniqFileName = uniqFileName.upper() | |
| fileBlock = f"{uniqFileName}[\"{workflowDetails[file]['name']}[{file}]\"]" | |
| jobs = workflowDetails[file]['jobs'] | |
| markdownFile.write('```mermaid\n') | |
| markdownFile.write('\nflowchart LR\n') | |
| for job in jobs: | |
| needs = jobs[job]['needs'] | |
| needs = needs.replace('[','') | |
| needs = needs.replace(']','') | |
| needs = needs.replace(' ','') | |
| if len(needs) == 0: | |
| markdownFile.write(f"\n {fileBlock} ---> {job}(\"{jobs[job]['name']}\")") | |
| else: | |
| needs = list(needs.split(',')) | |
| for need in needs: | |
| markdownFile.write(f"\n {need}(\"{jobs[need]['name']}\") ---> {job}(\"{jobs[job]['name']}\")") | |
| uses = jobs[job]['uses'] | |
| if uses != "": | |
| uses = uses.split('/')[-1] | |
| str = "," | |
| inputs = str.join(jobs[job]['inputs']) | |
| inputs = inputs.replace('\"','') #remove " (double quotes) | |
| inputs = inputs.replace("\'",'') #remove ' (single quotes) | |
| if len(inputs) != 0: | |
| markdownFile.write(f"\n {job}(\"{jobs[job]['name']}\ninputs:[{inputs}]\") ---> {uses}(\"{workflowDetails[uses]['name']}[{uses}]\")") | |
| else: | |
| markdownFile.write(f"\n {job}(\"{jobs[job]['name']}\") ---> {uses}") | |
| markdownFile.write('\n\n```\n\n') | |
| markdownFile.write('## GitHub Actions Trigger Overview\n') | |
| triggersList = set() | |
| for file in workflowDetails: | |
| for trigger in workflowDetails[file]['trigger']: | |
| triggersList.add(trigger) #triggersList contains unique list of all types of triggers used in the workflow file | |
| for trigger in sorted(triggersList): | |
| markdownFile.write('\n```mermaid\n') | |
| markdownFile.write('\nflowchart TB\n') | |
| markdownFile.write(f'\n subgraph {trigger.upper()}') | |
| for file in sortedDictionary: | |
| if trigger in workflowDetails[file]['trigger']: | |
| markdownFile.write(f'\n {trigger} ---> {file}[\"{workflowDetails[file]["name"]}[{file}]\"]') | |
| markdownFile.write('\n end\n') | |
| markdownFile.write('\n```\n') | |
| - name: Upload Artifact | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: Actions-workflow-MarkdownFile | |
| path: .github/workflows/ActionFlow.md |