Thomas E Lackey
837e443800
* Support application removal request. * Git should never prompt when deploying a webapp
328 lines
10 KiB
Python
328 lines
10 KiB
Python
# Copyright © 2023 Vulcanize
|
|
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Affero General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU Affero General Public License for more details.
|
|
|
|
# You should have received a copy of the GNU Affero General Public License
|
|
# along with this program. If not, see <http:#www.gnu.org/licenses/>.
|
|
|
|
import hashlib
|
|
import json
|
|
import os
|
|
import random
|
|
import subprocess
|
|
import sys
|
|
import tempfile
|
|
import uuid
|
|
|
|
import yaml
|
|
|
|
|
|
class AttrDict(dict):
|
|
def __init__(self, *args, **kwargs):
|
|
super(AttrDict, self).__init__(*args, **kwargs)
|
|
self.__dict__ = self
|
|
|
|
def __getattribute__(self, attr):
|
|
__dict__ = super(AttrDict, self).__getattribute__("__dict__")
|
|
if attr in __dict__:
|
|
v = super(AttrDict, self).__getattribute__(attr)
|
|
if isinstance(v, dict):
|
|
return AttrDict(v)
|
|
return v
|
|
|
|
|
|
def cmd(*vargs):
|
|
try:
|
|
result = subprocess.run(vargs, capture_output=True)
|
|
result.check_returncode()
|
|
return result.stdout.decode()
|
|
except Exception as err:
|
|
print(result.stderr.decode())
|
|
raise err
|
|
|
|
|
|
def match_owner(recordA, *records):
|
|
for owner in recordA.owners:
|
|
for otherRecord in records:
|
|
if owner in otherRecord.owners:
|
|
return owner
|
|
return None
|
|
|
|
|
|
class LaconicRegistryClient:
|
|
def __init__(self, config_file):
|
|
self.config_file = config_file
|
|
self.cache = AttrDict(
|
|
{
|
|
"name_or_id": {},
|
|
}
|
|
)
|
|
|
|
def list_records(self, criteria={}, all=False):
|
|
args = ["laconic", "-c", self.config_file, "cns", "record", "list"]
|
|
|
|
if all:
|
|
args.append("--all")
|
|
|
|
if criteria:
|
|
for k, v in criteria.items():
|
|
args.append("--%s" % k)
|
|
args.append(str(v))
|
|
|
|
results = [AttrDict(r) for r in json.loads(cmd(*args))]
|
|
|
|
# Most recent records first
|
|
results.sort(key=lambda r: r.createTime)
|
|
results.reverse()
|
|
|
|
return results
|
|
|
|
def is_crn(self, name_or_id: str):
|
|
if name_or_id:
|
|
return str(name_or_id).startswith("crn://")
|
|
return False
|
|
|
|
def is_id(self, name_or_id: str):
|
|
return not self.is_crn(name_or_id)
|
|
|
|
def _add_to_cache(self, records):
|
|
if not records:
|
|
return
|
|
|
|
for p in records:
|
|
self.cache["name_or_id"][p.id] = p
|
|
if p.names:
|
|
for crn in p.names:
|
|
self.cache["name_or_id"][crn] = p
|
|
if p.attributes.type not in self.cache:
|
|
self.cache[p.attributes.type] = []
|
|
self.cache[p.attributes.type].append(p)
|
|
|
|
def resolve(self, name):
|
|
if not name:
|
|
return None
|
|
|
|
if name in self.cache.name_or_id:
|
|
return self.cache.name_or_id[name]
|
|
|
|
args = ["laconic", "-c", self.config_file, "cns", "name", "resolve", name]
|
|
|
|
parsed = [AttrDict(r) for r in json.loads(cmd(*args))]
|
|
if parsed:
|
|
self._add_to_cache(parsed)
|
|
return parsed[0]
|
|
|
|
return None
|
|
|
|
def get_record(self, name_or_id, require=False):
|
|
if not name_or_id:
|
|
if require:
|
|
raise Exception("Cannot locate record:", name_or_id)
|
|
return None
|
|
|
|
if name_or_id in self.cache.name_or_id:
|
|
return self.cache.name_or_id[name_or_id]
|
|
|
|
if self.is_crn(name_or_id):
|
|
return self.resolve(name_or_id)
|
|
|
|
args = [
|
|
"laconic",
|
|
"-c",
|
|
self.config_file,
|
|
"cns",
|
|
"record",
|
|
"get",
|
|
"--id",
|
|
name_or_id,
|
|
]
|
|
|
|
parsed = [AttrDict(r) for r in json.loads(cmd(*args))]
|
|
if len(parsed):
|
|
self._add_to_cache(parsed)
|
|
return parsed[0]
|
|
|
|
if require:
|
|
raise Exception("Cannot locate record:", name_or_id)
|
|
return None
|
|
|
|
def app_deployment_requests(self, all=True):
|
|
return self.list_records({"type": "ApplicationDeploymentRequest"}, all)
|
|
|
|
def app_deployments(self, all=True):
|
|
return self.list_records({"type": "ApplicationDeploymentRecord"}, all)
|
|
|
|
def app_deployment_removal_requests(self, all=True):
|
|
return self.list_records({"type": "ApplicationDeploymentRemovalRequest"}, all)
|
|
|
|
def app_deployment_removals(self, all=True):
|
|
return self.list_records({"type": "ApplicationDeploymentRemovalRecord"}, all)
|
|
|
|
def publish(self, record, names=[]):
|
|
tmpdir = tempfile.mkdtemp()
|
|
try:
|
|
record_fname = os.path.join(tmpdir, "record.yml")
|
|
record_file = open(record_fname, 'w')
|
|
yaml.dump(record, record_file)
|
|
record_file.close()
|
|
print(open(record_fname, 'r').read())
|
|
|
|
new_record_id = json.loads(
|
|
cmd("laconic", "-c", self.config_file, "cns", "record", "publish", "--filename", record_fname)
|
|
)["id"]
|
|
for name in names:
|
|
self.set_name(name, new_record_id)
|
|
return new_record_id
|
|
finally:
|
|
cmd("rm", "-rf", tmpdir)
|
|
|
|
def set_name(self, name, record_id):
|
|
cmd("laconic", "-c", self.config_file, "cns", "name", "set", name, record_id)
|
|
|
|
def delete_name(self, name):
|
|
cmd("laconic", "-c", self.config_file, "cns", "name", "delete", name)
|
|
|
|
|
|
def file_hash(filename):
|
|
return hashlib.sha1(open(filename).read().encode()).hexdigest()
|
|
|
|
|
|
def build_container_image(app_record, tag, extra_build_args=[]):
|
|
tmpdir = tempfile.mkdtemp()
|
|
|
|
try:
|
|
record_id = app_record["id"]
|
|
ref = app_record.attributes.repository_ref
|
|
repo = random.choice(app_record.attributes.repository)
|
|
clone_dir = os.path.join(tmpdir, record_id)
|
|
|
|
print(f"Cloning repository {repo} to {clone_dir} ...")
|
|
if ref:
|
|
# TODO: Determing branch or hash, and use depth 1 if we can.
|
|
git_env = dict(os.environ.copy())
|
|
# Never prompt
|
|
git_env["GIT_TERMINAL_PROMPT"] = "0"
|
|
subprocess.check_call(["git", "clone", repo, clone_dir], env=git_env)
|
|
subprocess.check_call(["git", "checkout", ref], cwd=clone_dir, env=git_env)
|
|
else:
|
|
result = subprocess.run(["git", "clone", "--depth", "1", repo, clone_dir])
|
|
result.check_returncode()
|
|
|
|
print("Building webapp ...")
|
|
build_command = [sys.argv[0], "build-webapp", "--source-repo", clone_dir, "--tag", tag]
|
|
if extra_build_args:
|
|
build_command.append("--extra-build-args")
|
|
build_command.append(" ".join(extra_build_args))
|
|
|
|
result = subprocess.run(build_command)
|
|
result.check_returncode()
|
|
finally:
|
|
cmd("rm", "-rf", tmpdir)
|
|
|
|
|
|
def push_container_image(deployment_dir):
|
|
print("Pushing image ...")
|
|
result = subprocess.run([sys.argv[0], "deployment", "--dir", deployment_dir, "push-images"])
|
|
result.check_returncode()
|
|
|
|
|
|
def deploy_to_k8s(deploy_record, deployment_dir):
|
|
if not deploy_record:
|
|
command = "up"
|
|
else:
|
|
command = "update"
|
|
|
|
result = subprocess.run([sys.argv[0], "deployment", "--dir", deployment_dir, command])
|
|
result.check_returncode()
|
|
|
|
|
|
def publish_deployment(laconic: LaconicRegistryClient,
|
|
app_record,
|
|
deploy_record,
|
|
deployment_crn,
|
|
dns_record,
|
|
dns_crn,
|
|
deployment_dir,
|
|
app_deployment_request=None):
|
|
if not deploy_record:
|
|
deploy_ver = "0.0.1"
|
|
else:
|
|
deploy_ver = "0.0.%d" % (int(deploy_record.attributes.version.split(".")[-1]) + 1)
|
|
|
|
if not dns_record:
|
|
dns_ver = "0.0.1"
|
|
else:
|
|
dns_ver = "0.0.%d" % (int(dns_record.attributes.version.split(".")[-1]) + 1)
|
|
|
|
spec = yaml.full_load(open(os.path.join(deployment_dir, "spec.yml")))
|
|
fqdn = spec["network"]["http-proxy"][0]["host-name"]
|
|
|
|
uniq = uuid.uuid4()
|
|
|
|
new_dns_record = {
|
|
"record": {
|
|
"type": "DnsRecord",
|
|
"version": dns_ver,
|
|
"name": fqdn,
|
|
"resource_type": "A",
|
|
"meta": {
|
|
"so": uniq.hex
|
|
},
|
|
}
|
|
}
|
|
if app_deployment_request:
|
|
new_dns_record["record"]["request"] = app_deployment_request.id
|
|
|
|
dns_id = laconic.publish(new_dns_record, [dns_crn])
|
|
|
|
new_deployment_record = {
|
|
"record": {
|
|
"type": "ApplicationDeploymentRecord",
|
|
"version": deploy_ver,
|
|
"url": f"https://{fqdn}",
|
|
"name": app_record.attributes.name,
|
|
"application": app_record.id,
|
|
"dns": dns_id,
|
|
"meta": {
|
|
"config": file_hash(os.path.join(deployment_dir, "config.env")),
|
|
"so": uniq.hex
|
|
},
|
|
}
|
|
}
|
|
if app_deployment_request:
|
|
new_deployment_record["record"]["request"] = app_deployment_request.id
|
|
|
|
deployment_id = laconic.publish(new_deployment_record, [deployment_crn])
|
|
return {"dns": dns_id, "deployment": deployment_id}
|
|
|
|
|
|
def hostname_for_deployment_request(app_deployment_request, laconic):
|
|
dns_name = app_deployment_request.attributes.dns
|
|
if not dns_name:
|
|
app = laconic.get_record(app_deployment_request.attributes.application, require=True)
|
|
dns_name = generate_hostname_for_app(app)
|
|
elif dns_name.startswith("crn://"):
|
|
record = laconic.get_record(dns_name, require=True)
|
|
dns_name = record.attributes.name
|
|
return dns_name
|
|
|
|
|
|
def generate_hostname_for_app(app):
|
|
last_part = app.attributes.name.split("/")[-1]
|
|
m = hashlib.sha256()
|
|
m.update(app.attributes.name.encode())
|
|
m.update(b"|")
|
|
if isinstance(app.attributes.repository, list):
|
|
m.update(app.attributes.repository[0].encode())
|
|
else:
|
|
m.update(app.attributes.repository.encode())
|
|
return "%s-%s" % (last_part, m.hexdigest()[0:10])
|