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entrypoint.py
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entrypoint.py
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#!/usr/bin/env python3
import aiohttp
from aiohttp import web
import argparse
import asyncio
import enum
import fnmatch
import glob
import mimetypes
import os
import pathlib
import re
import requests
import shutil
import stat
import subprocess
import sys
import tempfile
import yaml
REPO_DIR = "/repo"
TOOLS_DIR = "/tools"
USER_SCRIPT_DIR = "/user_scripts"
BUILTIN_SCRIPT_DIR = "/builtin_scripts"
CONFIG_FILE = "qa.yaml"
class Printer:
''' Class to route and format output to the desired location '''
ANSI_TO_HTML = {
"0" : {
"0": "black",
"1": "darkred",
"2": "green",
"3": "orange",
"4": "darkblue",
"5": "purple",
"6": "lightblue",
"7": "lightgrey"
},
"1" : {
"0": "black",
"1": "red",
"2": "lightgreen",
"3": "yellow",
"4": "blue",
"5": "magenta",
"6": "cyan",
"7": "white"
}
}
def __init__(self, write_github = False):
self.socket = None
self.write_github = write_github
os.environ["write_github"] = "1" if write_github else "0"
def setSocket(self, socket):
''' Set a web socket to send the output to. '''
self.socket = socket
async def writeLine(self, message):
""" Write a line to the terminal. If a web socket is set and available for writing, the output will be echoed
there as well. """
await self.write(message + "\n")
async def write(self, message):
""" Write out the output to the terminal. If a web socket is set and available for writing, the output will be
echoed there as well. """
print(message, end = '')
if self.socket != None and not self.socket.closed:
# Set the message to "terminal colors" (lightgrey on black). Rewrite all ANSI color codes to HTML tags.
html_msg = re.sub('\x1b\[(0|1);3(.)m', self._ansiToHTML, message)
html_msg = re.sub('\x1b\[0m', "</span><span style='color: lightgrey'>", html_msg)
html_msg = f"<span style='color: lightgrey;'>{html_msg}</span>"
await self.socket.send_json({
"output": html_msg
})
def writeGithubOutput(self, key, value):
""" Set an output value when executed on Github. """
if self.write_github:
with open(os.environ['GITHUB_OUTPUT'], 'w') as github_output:
github_output.write(f'{key}={value}')
def startGithubGroup(self, title):
if self.write_github:
print(f"::group::{title}")
def endGithubGroup(self):
if self.write_github:
print("::endgroup::")
def _ansiToHTML(self, match_obj):
''' Helper method to rewrite an ASNI color code to a HTML style tag. '''
try:
color = self.ANSI_TO_HTML[match_obj.group(1)][match_obj.group(2)]
except KeyError:
return ""
return f"</span><span style='color: {color}'>"
class FileCollection(dict):
""" Class to select the relevant files per step, as specified using the patterns in the qa.yaml file.
An instance of this class acts as a dict where each step name can be used as a key to retrieve a list of
associated files with their path relative to the repo root. To use this instance for the first time, after
configuration changes and to detect changes in the file system, the resolve() method needs to be called.
There are three modes of file detection possible: all files, all files that have been changed compared to the
main branch (as specified in the qa.yaml file), or file names filtered using one or more filters.
"""
class Mode(enum.Enum):
ALL = 1
FILTERED = 2
CHANGED = 3
def __init__(self, config, mode = Mode.CHANGED, on_github = False):
if "patterns" in config:
self.patterns = config["patterns"]
else:
self.patterns = []
for pattern_name in self.patterns:
self[pattern_name] = []
if "main branch" in config:
self.main_branch = config["main branch"]
else:
self.main_branch = "origin/main"
self.setMode(mode)
# As a safety precaution, git refuses to work in directory's not owned by the current user, unless it's
# explicitly told that the repo can be trusted. Since we're running in a container, we assume that it's safe
# to do everything here.
subprocess.run(["git", "config", "--global", "--add", "safe.directory", os.getcwd()])
def setMode(self, mode, file_name_filters = None):
""" Set the file selection mode using the Mode enum.
If using filter mode, a list of filters is expected. A filter is simply a part of the file name, optionally
using wildcards.
"""
self.mode = mode
# Internally, filters are converted to globs by appending and prepending a "*" to them. When no actual
# filtering needs to be done, we set our globbing patterns simply to a catch-all wildcard.
if self.mode == FileCollection.Mode.ALL or (self.mode == FileCollection.Mode.FILTERED and file_name_filters == None):
self.file_name_globs = ["*"]
elif self.mode == FileCollection.Mode.FILTERED:
self.file_name_globs = [f"*{filter.strip()}*" for filter in file_name_filters]
def resolve(self):
# Reset all file lists
for pattern_name in self.keys():
self[pattern_name] = []
if self.mode == FileCollection.Mode.CHANGED:
# If we're only interested in the files that are new or changed compared to the main branch, we first ask
# git for a list of all these files, committed or not
committed = subprocess.run(["git", "diff", "--name-only", "--diff-filter=ACM", "--ignore-space-at-eol", self.main_branch], capture_output = True)
uncommitted = subprocess.run(["git", "ls-files", "--others"], capture_output = True)
if committed and uncommitted:
changed_files = committed.stdout.decode("UTF-8").split("\n")
changed_files += uncommitted.stdout.decode("UTF-8").split("\n")
else:
# Otherwise we need to keep track of the files that we already encountered
combined = []
for pattern_name in self.patterns:
patterns = self.patterns[pattern_name]
# Each pattern name can be associated with multiple patterns, so make sure we always have a list
if type(patterns) == str:
patterns = [patterns]
# Now add all files that match the pattern and that have not been seen before, optionally filtered by the
# file name globs
for pattern in patterns:
for file_path in pathlib.Path().glob(pattern):
if self.mode == FileCollection.Mode.CHANGED:
if file_path.as_posix() in changed_files:
self[pattern_name].append(file_path.as_posix())
changed_files.remove(file_path.as_posix())
elif (file_path not in combined) and any([fnmatch.fnmatch(file_path.name, fn_glob) for fn_glob in self.file_name_globs]):
self[pattern_name].append(file_path.as_posix())
combined.append(file_path)
class StepExecutor:
BUILTIN_STEPS = {
"check resource ids": {
"description": "Check if the .id matches the name of the file",
"builtin-script": "check-id.py"
}
}
def __init__(self, config, file_collection, printer, fail_at, verbosity_level):
if "steps" in config:
self.steps = config["steps"]
else:
self.steps = {}
# Add builtin steps
for builtin_step_name in self.BUILTIN_STEPS.keys():
builtin_step = self.BUILTIN_STEPS[builtin_step_name]
if builtin_step_name in self.steps:
builtin_step.update(self.steps[builtin_step_name]) # Override with the settings from the config file
if "patterns" not in builtin_step: # Default to all patterns if not explicitly set
builtin_step["patterns"] = [pattern for pattern in file_collection.patterns]
self.steps[builtin_step_name] = builtin_step
self.tx_disabled = False
self.fail_at = fail_at
self.verbosity_level = verbosity_level
self.best_practice_warnings = True
self.file_collection = file_collection
self.printer = printer
# By default, we handle the Nictiz profiling guidelines package. Additional ig's may be defined in the config file.
self.igs = ["nictiz.fhir.nl.r4.profilingguidelines"]
if "igs" in config:
self.igs += [ig for ig in config["igs"]]
self.ignored_issues = None
if "ignored issues" in config:
self.ignored_issues = config["ignored issues"]
self.debug = False
self.script_src_dir = None
if "script dir" in config:
self.script_src_dir = config["script dir"]
# Export the variables for external scripts to use
os.environ["tools_dir"] = TOOLS_DIR
os.environ["work_dir"] = REPO_DIR
os.environ["script_dir"] = USER_SCRIPT_DIR
def getSteps(self):
return self.steps.keys()
def setDebugging(self, debug):
self.debug = debug
def setTerminologyOptions(self, disabled = None, extensible_binding_warnings = None, suppress_display_issues = None):
if disabled != None:
self.tx_disabled = disabled
if extensible_binding_warnings != None:
self.extensible_binding_warnings = extensible_binding_warnings
if suppress_display_issues != None:
self.suppress_display_issues = suppress_display_issues
def setLevels(self, verbosity = None, fail_at = None):
if verbosity != None:
self.verbosity_level = verbosity
if fail_at != None:
self.fail_at = fail_at
def setBestPracticeWarnings(self, best_practice_warnings):
self.best_practice_warnings = best_practice_warnings
async def execute(self, *step_names):
os.environ["debug"] = "1" if self.debug else "0"
os.environ["fail_at"] = self.fail_at
self._copyScripts()
self.file_collection.resolve()
overall_success = True
for step_name in step_names:
step = self.steps[step_name]
await self.printer.writeLine("\033[1;37m" + "#" * (len(step_name) + 10) + "\033[0m")
await self.printer.writeLine("\033[1;37m" + "#### " + step_name + " ####" + "\033[0m")
await self.printer.writeLine("\033[1;37m" + "#" * (len(step_name) + 10) + "\033[0m\n")
files = []
if "patterns" in step:
patterns = step["patterns"]
if type(patterns) == str:
patterns = [patterns]
for pattern in patterns:
files += self.file_collection[pattern]
if len(files) == 0:
await self.printer.writeLine("\033[1;37mNothing to check, skipping\033[0m")
self.printer.writeGithubOutput(f"step[{step_name}][skipped]", "true")
else:
self.printer.writeGithubOutput(f"step[{step_name}][skipped]", "false")
if "profile" in step:
success = await self._runValidator(step["profile"], files)
elif "script" in step:
success = await self._runExternalCommand(step["script"], files)
elif "builtin-script" in step:
success = await self._runExternalCommand(step["builtin-script"], files, builtin = True)
else:
success = await self._runValidator(None, files)
overall_success &= success
if success:
await self.printer.writeLine(f'\n\033[1;32mPass: "{step_name}"\033[0m')
else:
await self.printer.writeLine(f'\n\033[1;31m"Fail: "{step_name}"\033[0m')
self.printer.writeGithubOutput(f"step[{step_name}][result]", "success" if success else "failure")
await self.printer.writeLine("")
return overall_success
def _copyScripts(self):
""" Create a fresh copy of the scripts dir so that script files have their line endings normalized and have
the proper permissions for executing. """
shutil.rmtree(USER_SCRIPT_DIR)
os.mkdir(USER_SCRIPT_DIR)
if (self.script_src_dir):
curr_dir = os.getcwd()
os.chdir(os.path.join(REPO_DIR, self.script_src_dir))
for file_name in glob.glob("*", recursive = False):
with open(file_name, "rt") as src_file:
dst_path = os.path.join(USER_SCRIPT_DIR, file_name)
with open(dst_path, "wt") as dest_file:
for line in src_file.readlines():
dest_file.write(line)
os.chmod(dst_path, stat.S_IRUSR | stat.S_IXUSR)
os.chdir(curr_dir)
async def _runValidator(self, profile, files):
# Get a name for a temp file, but remove the file itself so we can check if the Validator produced the required
# output
out_file = tempfile.mkstemp(".xml")
os.unlink(out_file[1])
# We're opiniated about terminology checking. We want to allow Dutch display values and we don't consider
# display issues errors.
tx_opt = ["-sct", "nl", "-display-issues-are-warnings"]
if not self.extensible_binding_warnings: # Our flag is the opposite of the default behaviour of the Validtor
tx_opt += ["-no-extensible-binding-warnings"]
if self.tx_disabled:
tx_opt += ["-tx", "n/a"]
best_practices_opt = ["-best-practice", "warning" if self.best_practice_warnings else "ignore"]
igs = []
for ig in self.igs:
igs += ["-ig", ig]
if profile is not None:
profile_flag = ["-profile", profile]
else:
profile_flag = []
command = [
"java", "-jar", "/tools/validator/validator.jar",
'-version', "4.0.1"] + igs + ["-recurse"] + profile_flag + tx_opt + best_practices_opt + [
"-output", out_file[1]] + files
self.printer.startGithubGroup("Run validator")
if self.debug or self.printer.write_github:
suppress_output = False
else:
suppress_output = True
await self._popen(command, suppress_output=suppress_output)
self.printer.endGithubGroup()
success = False
if os.path.exists(out_file[1]):
fail_at = "error" if self.fail_at == "fatal" else self.fail_at
verbosity_level = "error" if self.verbosity_level == "fatal" else self.verbosity_level
command = ["python3", "/tools/hl7-fhir-validator-action/analyze_results.py", "--colorize", "--fail-at", fail_at, "--verbosity-level", verbosity_level]
if printer.write_github:
command.append("--github")
if self.suppress_display_issues:
command.append("--suppress-display-issues")
if self.ignored_issues:
command += ["--ignored-issues", self.ignored_issues]
command += [out_file[1]]
result = await self._popen(command)
if result == 0:
success = True
elif not self.debug:
await self.printer.writeLine("\033[0;33mThere was an error running the validator. Re-run with the --debug option to see the output.\033[0m")
os.unlink(out_file[1])
return success
async def _runExternalCommand(self, command, files, builtin = False):
if builtin:
script_dir = BUILTIN_SCRIPT_DIR
else:
if not self.script_src_dir:
await self.printer.writeLine("'script dir' is not set in qa.yaml!")
return False
script_dir = USER_SCRIPT_DIR
result = await self._popen(script_dir + "/" + command + " " + " ".join(files), shell = True)
return result == 0
async def _popen(self, command, shell = False, suppress_output = False):
''' Helper method to open a subprocess, send the output to the Printer as it comes in, and return the results. '''
if suppress_output:
stdout = subprocess.DEVNULL
else:
stdout = subprocess.PIPE
proc = subprocess.Popen(command, stdout = stdout, stderr = subprocess.STDOUT, universal_newlines = True, bufsize = 1, shell = shell)
if not suppress_output:
while True:
line = proc.stdout.readline()
if not line:
break
await self.printer.write(line)
proc.wait()
return proc.returncode
class QAServer:
''' Class to serve an interactive menu using a web interface. '''
def __init__(self, executor):
self.executor = executor
self.app = web.Application()
self.app.router.add_get("/ws", self._handleWebsocket)
self.app.router.add_get("/", self._handleGet)
self.app.router.add_post("/file_selection", self._getFileSelection)
self.app.router.add_get("/{file}", self._handleGet)
self.app.router.add_post("/", self._handlePost)
self.ws = web.WebSocketResponse()
def run(self):
web.run_app(self.app, port = MENU_PORT)
async def _handleWebsocket(self, request):
''' Create and return a websocket when getting a GET request on /ws '''
if self.ws.closed:
self.ws = web.WebSocketResponse()
await self.ws.prepare(request)
# We don't actually expect communication _from_ the socket, but this is the way to keep it open
await self.ws.receive()
return self.ws
async def _handleGet(self, request):
''' Handle GET request, which we do expect in two flavors: on the base or on a particular file. Any other
request will result in a 404. '''
requested_file = request.match_info.get('file', 'index.html')
try:
content = open("/server/" + requested_file).read()
content_type = mimetypes.guess_type("/server/" + requested_file)[0]
except IOError:
return web.Response(status = 404)
if requested_file == 'index.html':
# The menu HTML. We need to insert the steps that we know of in the static file that's loaded from disk.
content_type = 'text/html'
task_html = ""
for step in self.executor.getSteps():
task_html += f"<input type='checkbox' name='step_{step}'/>"
# TODO: Sanitize input for name use
task_html += f"<label for='step_{step}'>{step}</label><br />"
content = content.replace('<legend>Perform steps:</legend>', "<legend>Perform steps:</legend>" + task_html)
return web.Response(body = content, content_type = content_type)
async def _handlePost(self, request):
content = await request.post()
if "check_what" in content:
if content["check_what"] == "filtered":
self.executor.file_collection.setMode(FileCollection.Mode.FILTERED, content["file_name_filters"].split(","))
elif content["check_what"] == "changed":
self.executor.file_collection.setMode(FileCollection.Mode.CHANGED)
else:
self.executor.file_collection.setMode(FileCollection.Mode.ALL)
steps = []
for key in content:
if key.startswith("step_"):
steps.append(key.replace("step_", ""))
if "terminology" in content:
if content["terminology"] == "disabled":
self.executor.setTerminologyOptions(disabled = True)
elif content["terminology"] == "default_tx":
self.executor.setTerminologyOptions(disabled = False)
if "suppress_display_issues" in content:
self.executor.setTerminologyOptions(suppress_display_issues = True)
if "verbosity_level" in content:
self.executor.setLevels(verbosity = content["verbosity_level"])
if "fail_at" in content:
self.executor.setLevels(fail_at = content["fail_at"])
self.executor.setTerminologyOptions(extensible_binding_warnings = ("extensible_binding_warnings" in content))
self.executor.setBestPracticeWarnings("best_practice_warnings" in content)
self.executor.setDebugging("debug" in content)
self.executor.printer.setSocket(self.ws)
asyncio.create_task(self._executeAndReport(steps))
return web.Response()
async def _getFileSelection(self, request):
""" Get (all) the file names that will be affected by the selected validation steps and selection settings.
The result is not split out per step. The following paramters can be used:
* mode: either "all", "changed" or "filtered"
* step_names: the current selection of steps to execute
* filters: a comma-separated list of file name filters
"""
content = await request.post()
if content["step_names"] == "":
return web.json_response({"files": []})
step_names = content["step_names"].split(",")
# Set the FileCollection
if content["mode"] == "changed":
mode = FileCollection.Mode.CHANGED
elif content["mode"] == "filtered":
mode = FileCollection.Mode.FILTERED
else:
mode = FileCollection.Mode.ALL
filters = None
if "filters" in content:
filters = content["filters"].split(",")
self.executor.file_collection.setMode(mode, filters)
self.executor.file_collection.resolve()
# Retrieve all files for the selected steps
files = []
for step_name in step_names:
step = self.executor.steps[step_name]
if "patterns" in step:
patterns = step["patterns"]
if type(patterns) == str:
patterns = [patterns]
for pattern in patterns:
files += self.executor.file_collection[pattern]
# Respond with a list of files
return web.json_response({"files": files})
async def _executeAndReport(self, steps):
""" Execute the QA tooling and report back the result when done using the open web socket. """
await self.ws.send_json({"status": "running"})
result = await executor.execute(*steps)
status = "success" if result else "failure"
await self.ws.send_json({"result": status})
if __name__ == "__main__":
def __interpretStringAsBool(value):
if isinstance(value, bool):
return value
if value.lower() in ('yes', 'true', 't', 'y', '1'):
return True
elif value.lower() in ('no', 'false', 'f', 'n', '0'):
return False
else:
raise argparse.ArgumentTypeError('Boolean value expected.')
parser = argparse.ArgumentParser(description = "Perform QA on FHIR materials")
group = parser.add_mutually_exclusive_group()
group.add_argument("--batch", action = "store_true",
help = "Run in batch mode rather then starting a web server to control the process.")
parser.add_argument("--changed-only", type = __interpretStringAsBool, nargs = '?', const = True, default = False, metavar = 'boolean',
help = "Only validate changed files rather than all files (compared to the main branch).")
parser.add_argument("--no-tx", type = __interpretStringAsBool, nargs = '?', const = True, default = False, metavar = 'boolean',
help = "Disable the use of a terminology server all together.")
parser.add_argument("--extensible-binding-warnings", type = __interpretStringAsBool, nargs = '?', const = True, default = False, metavar = 'boolean',
help = "Emit a warning for codes that are not in an extensible bound ValueSet.")
parser.add_argument("--best-practice-warnings", type = __interpretStringAsBool, nargs = "?", const = True, default = True, metavar = "boolean",
help = "Emit a warning when best practices aren't followed")
parser.add_argument("--suppress-display-issues", type = __interpretStringAsBool, nargs = '?', const = True, default = False, metavar = 'boolean',
help = "Suppress all reported issues about incorrect terminology displays")
parser.add_argument("--fail-at", choices = ["fatal", "error", "warning"], default = "error",
help = "The test fails when an issue with this gravity is encountered.")
parser.add_argument("--verbosity-level", choices = ["fatal", "error", "warning", "information"], default = "information",
help = "Show messages from this level onwards.")
parser.add_argument("--debug", type = __interpretStringAsBool, nargs = '?', const = True, default = False, metavar = 'boolean',
help = "Display debugging information for when something goes wrong.")
parser.add_argument("--github", type = __interpretStringAsBool, nargs = '?', const = True, default = False, metavar = 'boolean',
help = "Add output in Github format. Implies --batch.")
parser.add_argument("steps", type = str, nargs = "*", metavar = "step",
help = "The steps to execute (make sure to quote them if they contain spaces). If absent, all steps will be executed.")
args = parser.parse_args()
if args.github:
args.batch = True
try:
MENU_PORT = os.environ["MENU_PORT"]
except KeyError:
MENU_PORT = 9000
if args.github and "GITHUB_WORKSPACE" in os.environ:
REPO_DIR = os.environ["GITHUB_WORKSPACE"]
os.chdir(REPO_DIR)
with open(CONFIG_FILE) as config_file:
config = yaml.safe_load(config_file)
file_collection = FileCollection(config, FileCollection.Mode.CHANGED if args.changed_only else FileCollection.Mode.ALL, args.github)
printer = Printer(args.github)
executor = StepExecutor(config, file_collection, printer, args.fail_at, args.verbosity_level)
executor.setTerminologyOptions(disabled = args.no_tx, extensible_binding_warnings = args.extensible_binding_warnings, suppress_display_issues = args.suppress_display_issues)
executor.setBestPracticeWarnings(args.best_practice_warnings)
executor.setDebugging(args.debug)
if len(args.steps) > 1:
steps = args.steps
elif len(args.steps) == 1 and args.steps[0].strip() != "":
steps = [step.strip() for step in args.steps[0].split(",")]
else:
steps = executor.getSteps()
if args.batch:
result = asyncio.run(executor.execute(*steps))
if not result:
sys.exit(1)
else:
server = QAServer(executor)
server.run()