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#!/bin/python3
# A simple script to trigger Cirrus CI builds and download the release artifacts
# through Cirrus CI's GraphQL interface.
#
# Expects the Cirrus CI API key to be set in the CIRRUS_KEY environment variable.
import os
import json
import sys
import traceback
from textwrap import dedent
from time import sleep, time
from pathlib import Path
from typing import Optional
from urllib.request import Request, urlopen, urlretrieve
URL = "https://api.cirrus-ci.com/graphql"
TASKS = [
("freebsd_12_3_build", "bottom_x86_64-unknown-freebsd-12-3.tar.gz"),
("freebsd_13_1_build", "bottom_x86_64-unknown-freebsd-13-1.tar.gz"),
("macos_build", "bottom_aarch64-apple-darwin.tar.gz"),
]
DL_URL_TEMPLATE = "https://api.cirrus-ci.com/v1/artifact/build/%s/%s/binaries/%s"
def make_query_request(key: str, branch: str, build_type: str):
print("Creating query request.")
mutation_id = "Cirrus CI Build {}-{}-{}".format(build_type, branch, int(time()))
query = """
mutation CreateCirrusCIBuild (
$repo: ID!,
$branch: String!,
$mutation_id: String!
) {
createBuild(
input: {
repositoryId: $repo,
branch: $branch,
clientMutationId: $mutation_id,
}
) {
build {
id,
status
}
}
}
"""
params = {
"repo": "6646638922956800",
"branch": branch,
"mutation_id": mutation_id,
}
data = {"query": dedent(query), "variables": params}
data = json.dumps(data).encode()
request = Request(URL, data=data, method="POST")
request.add_header("Authorization", "Bearer {}".format(key))
return request
def check_build_status(key: str, id: str) -> Optional[str]:
query = """
query BuildStatus($id: ID!) {
build(id: $id) {
status
}
}
"""
params = {
"id": id,
}
data = {"query": dedent(query), "variables": params}
data = json.dumps(data).encode()
request = Request(URL, data=data, method="POST")
request.add_header("Authorization", "Bearer {}".format(key))
with urlopen(request) as response:
response = json.load(response)
if response.get("errors") is not None:
print("There was an error in the returned response.")
return None
try:
status = response["data"]["build"]["status"]
return status
except KeyError:
print("There was an issue with creating a build job.")
return None
def try_download(build_id: str, dl_path: Path):
for (task, file) in TASKS:
url = DL_URL_TEMPLATE % (build_id, task, file)
out = dl_path / file
print("Downloading {} to {}".format(file, out))
urlretrieve(url, out)
def main():
args = sys.argv
env = os.environ
key = env["CIRRUS_KEY"]
branch = args[1]
branch_type = args[2]
# TODO: This is a bit of a hack, sorry. You want to properly handle this I suppose with the endpoint you hit.
if branch_type == "tag":
branch = "master"
dl_path = args[3] if len(args) >= 4 else ""
dl_path = Path(dl_path)
build_type = args[4] if len(args) >= 5 else "build"
build_id = args[5] if len(args) >= 6 else None
# Check if this build has already been completed before.
if build_id is not None:
print("Previous build ID was provided, checking if complete.")
status = check_build_status(key, build_id)
if status.startswith("COMPLETE"):
print("Starting download of previous build ID")
try_download(build_id, dl_path)
else:
# Try up to three times
MAX_ATTEMPTS = 5
success = False
for i in range(MAX_ATTEMPTS):
if success:
break
print("Attempt {}:".format(i + 1))
with urlopen(make_query_request(key, branch, build_type)) as response:
response = json.load(response)
if response.get("errors") is not None:
print("There was an error in the returned response.")
continue
try:
build_id = response["data"]["createBuild"]["build"]["id"]
print("Created build job {}.".format(build_id))
except KeyError:
print("There was an issue with creating a build job.")
continue
# First, sleep 4 minutes, as it's unlikely it'll finish before then.
SLEEP_MINUTES = 4
print("Sleeping for {} minutes.".format(SLEEP_MINUTES))
sleep(60 * SLEEP_MINUTES)
print("Mandatory nap over. Starting to check for completion.")
MINUTES = 10
SLEEP_SEC = 30
TRIES = int(MINUTES * (60 / SLEEP_SEC)) # Works out to 20 tries.
for attempt in range(TRIES):
print("Checking...")
try:
status = check_build_status(key, build_id)
if status.startswith("COMPLETE"):
print("Build complete. Downloading artifact files.")
sleep(5)
try_download(build_id, dl_path)
success = True
break
else:
print("Build status: {}".format(status or "unknown"))
if status == "ABORTED":
print("Build aborted, bailing.")
break
elif status.lower().startswith("fail"):
print("Build failed, bailing.")
break
elif attempt + 1 < TRIES:
sleep(SLEEP_SEC)
except Exception as ex:
print("Unexpected error:")
print(ex)
print(traceback.format_exc())
sleep(60) # Sleep for a minute if something went wrong, just in case.
else:
print("Build failed to complete after {} minutes, bailing.".format(MINUTES))
if not success:
exit(2)
if __name__ == "__main__":
main()
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