forked from platypush/platypush
328 lines
11 KiB
Python
Executable file
328 lines
11 KiB
Python
Executable file
"""
|
|
Platydock
|
|
|
|
Platydock is a helper that allows you to easily manage (create, destroy, start,
|
|
stop and list) Platypush instances as Docker images.
|
|
|
|
.. moduleauthor:: Fabio Manganiello <blacklight86@gmail.com>
|
|
.. license: MIT
|
|
"""
|
|
|
|
import argparse
|
|
import enum
|
|
import os
|
|
import re
|
|
import subprocess
|
|
import sys
|
|
import textwrap
|
|
import traceback as tb
|
|
|
|
from platypush.config import Config
|
|
from platypush.context import register_backends, get_plugin, get_backend
|
|
|
|
workdir = os.path.join(os.path.expanduser('~'), '.local', 'share',
|
|
'platypush', 'platydock')
|
|
|
|
|
|
class Action(enum.Enum):
|
|
build = 'build'
|
|
start = 'start'
|
|
stop = 'stop'
|
|
rm = 'rm'
|
|
ls = 'ls'
|
|
|
|
def __str__(self):
|
|
return self.value
|
|
|
|
|
|
def _parse_deps(cls):
|
|
deps = []
|
|
|
|
for line in cls.__doc__.split('\n'):
|
|
m = re.search('\(``pip install (.+)``\)', line)
|
|
if m:
|
|
deps.append(m.group(1))
|
|
|
|
return deps
|
|
|
|
|
|
def generate_dockerfile(deps, ports, cfgfile, devdir, python_version):
|
|
device_id = Config.get('device_id')
|
|
if not device_id:
|
|
raise RuntimeError(('You need to specify a device_id in {} - Docker ' +
|
|
'containers cannot rely on hostname').format(cfgfile))
|
|
|
|
os.makedirs(devdir, exist_ok=True)
|
|
content = textwrap.dedent(
|
|
'''
|
|
FROM python:alpine{python_version}
|
|
|
|
RUN mkdir -p /app
|
|
RUN mkdir -p /etc/platypush
|
|
RUN mkdir -p /usr/local/share/platypush\n
|
|
'''.format(python_version=python_version)).lstrip()
|
|
|
|
srcdir = os.path.dirname(cfgfile)
|
|
cfgfile_copy = os.path.join(devdir, 'config.yaml')
|
|
subprocess.call(['cp', cfgfile, cfgfile_copy])
|
|
content += 'COPY config.yaml /etc/platypush/\n'
|
|
|
|
# noinspection PyProtectedMember
|
|
for include in Config._included_files:
|
|
incdir = os.path.relpath(os.path.dirname(include), srcdir)
|
|
destdir = os.path.join(devdir, incdir)
|
|
|
|
try:
|
|
os.makedirs(destdir)
|
|
except FileExistsError:
|
|
pass
|
|
|
|
subprocess.call(['cp', include, destdir])
|
|
content += 'RUN mkdir -p /etc/platypush/' + incdir + '\n'
|
|
content += 'COPY ' + os.path.relpath(include, srcdir) + \
|
|
' /etc/platypush/' + incdir + '\n'
|
|
|
|
content += textwrap.dedent(
|
|
'''
|
|
RUN apk add --update --no-cache --virtual build-base \\
|
|
&& apk add --update --no-cache --virtual git \\
|
|
&& apk add --update --no-cache --virtual libffi-dev \\
|
|
&& apk add --update --no-cache --virtual libjpeg-turbo-dev \\
|
|
&& apk add --update --no-cache --virtual zlib-dev \\
|
|
''')
|
|
|
|
for i, dep in enumerate(deps):
|
|
content += '\t&& pip install {}'.format(dep)
|
|
if i < len(deps)-1:
|
|
content += ' \\'.format(dep)
|
|
content += '\n'
|
|
|
|
content += textwrap.dedent(
|
|
'''
|
|
|
|
RUN git clone --recursive https://github.com/BlackLight/platypush.git /app \\
|
|
&& cd /app \\
|
|
&& pip install -r requirements.txt \\
|
|
&& python setup.py build
|
|
|
|
RUN apk del git \\
|
|
&& apk del build-base \\
|
|
&& apk del libffi-dev \\
|
|
&& apk del libjpeg-turbo-dev \\
|
|
&& apk del zlib-dev
|
|
|
|
RUN cat <<EOF > /app/platypush-start.sh
|
|
cd /app && python -m platypush
|
|
EOF
|
|
|
|
RUN chmod 0755 /app/platypush-start.sh
|
|
|
|
''')
|
|
|
|
for port in ports:
|
|
content += 'EXPOSE {}\n'.format(port)
|
|
|
|
content += '\nCMD ["sh", "/app/platypush-start.sh"]\n'
|
|
dockerfile = os.path.join(devdir, 'Dockerfile')
|
|
print('Generating Dockerfile {}'.format(dockerfile))
|
|
|
|
with open(dockerfile, 'w') as f:
|
|
f.write(content)
|
|
|
|
|
|
def build(args):
|
|
global workdir
|
|
|
|
ports = set()
|
|
deps = set()
|
|
|
|
parser = argparse.ArgumentParser(prog='platydock build',
|
|
description='Build a Platypush image ' +
|
|
'from a config.yaml')
|
|
|
|
parser.add_argument('-c', '--config', type=str, required=True,
|
|
help='Path to the platypush configuration file')
|
|
parser.add_argument('-p', '--python-version', type=str, default='3.8',
|
|
help='Python version to be used')
|
|
|
|
opts, args = parser.parse_known_args(args)
|
|
|
|
cfgfile = os.path.abspath(os.path.expanduser(opts.config))
|
|
python_version = opts.python_version
|
|
Config.init(cfgfile)
|
|
register_backends()
|
|
backend_config = Config.get_backends()
|
|
|
|
if backend_config.get('http'):
|
|
http_backend = get_backend('http')
|
|
ports.add(http_backend.port)
|
|
if http_backend.websocket_port:
|
|
ports.add(http_backend.websocket_port)
|
|
|
|
if backend_config.get('tcp'):
|
|
ports.add(get_backend('tcp').port)
|
|
|
|
if backend_config.get('websocket'):
|
|
ports.add(get_backend('websocket').port)
|
|
|
|
for name in Config.get_backends().keys():
|
|
deps.update(_parse_deps(get_backend(name)))
|
|
|
|
for name in Config.get_plugins().keys():
|
|
try:
|
|
deps.update(_parse_deps(get_plugin(name)))
|
|
except Exception as ex:
|
|
print('Dependencies parsing error for {}: {}'.format(name, str(ex)))
|
|
|
|
devdir = os.path.join(workdir, Config.get('device_id'))
|
|
generate_dockerfile(deps=deps, ports=ports, cfgfile=cfgfile, devdir=devdir, python_version=python_version)
|
|
|
|
subprocess.call(['docker', 'build', '-t', 'platypush-{}'.format(
|
|
Config.get('device_id')), devdir])
|
|
|
|
|
|
def start(args):
|
|
global workdir
|
|
|
|
parser = argparse.ArgumentParser(prog='platydock start',
|
|
description='Start a Platypush container',
|
|
epilog=textwrap.dedent('''
|
|
You can append additional options that
|
|
will be passed to the docker container.
|
|
Example:
|
|
|
|
--add-host='myhost:192.168.1.1'
|
|
'''))
|
|
|
|
parser.add_argument('image', type=str, help='Platypush image to start')
|
|
parser.add_argument('-p', '--publish', action='append', nargs='*', default=[],
|
|
help=textwrap.dedent('''
|
|
Container's ports to expose to the host.
|
|
Note that the default exposed ports from
|
|
the container service will be exposed unless
|
|
these mappings override them (e.g. port 8008
|
|
on the container will be mapped to 8008 on
|
|
the host).
|
|
|
|
Example:
|
|
|
|
-p 18008:8008 -p 18009:8009
|
|
'''))
|
|
|
|
opts, args = parser.parse_known_args(args)
|
|
ports = {}
|
|
dockerfile = os.path.join(workdir, opts.image, 'Dockerfile')
|
|
|
|
with open(dockerfile) as f:
|
|
for line in f:
|
|
m = re.match('expose (\d+)', line.strip().lower())
|
|
if m:
|
|
ports[m.group(1)] = m.group(1)
|
|
|
|
for mapping in opts.publish:
|
|
host_port, container_port = mapping[0].split(':')
|
|
ports[container_port] = host_port
|
|
|
|
print('Preparing Redis support container')
|
|
subprocess.call(['docker', 'pull', 'redis'])
|
|
subprocess.call(['docker', 'run', '--rm', '--name', 'redis-' + opts.image,
|
|
'-d', 'redis'])
|
|
|
|
docker_cmd = ['docker', 'run', '--rm', '--name', opts.image, '-it',
|
|
'--link', 'redis-' + opts.image + ':redis']
|
|
|
|
for container_port, host_port in ports.items():
|
|
docker_cmd += ['-p', host_port + ':' + container_port]
|
|
|
|
docker_cmd += args
|
|
docker_cmd += ['-d', 'platypush-' + opts.image]
|
|
|
|
print('Starting Platypush container {}'.format(opts.image))
|
|
subprocess.call(docker_cmd)
|
|
|
|
|
|
def stop(args):
|
|
parser = argparse.ArgumentParser(prog='platydock stop',
|
|
description='Stop a Platypush container')
|
|
|
|
parser.add_argument('container', type=str, help='Platypush container to stop')
|
|
opts, args = parser.parse_known_args(args)
|
|
|
|
print('Stopping Platypush container {}'.format(opts.container))
|
|
subprocess.call(['docker', 'kill', '{}'.format(opts.container)])
|
|
|
|
print('Stopping Redis support container')
|
|
subprocess.call(['docker', 'stop', 'redis-{}'.format(opts.container)])
|
|
|
|
|
|
def rm(args):
|
|
global workdir
|
|
|
|
parser = argparse.ArgumentParser(prog='platydock rm',
|
|
description='Remove a Platypush image. ' +
|
|
'NOTE: make sure that no container is ' +
|
|
'running nor linked to the image before ' +
|
|
'removing it')
|
|
|
|
parser.add_argument('image', type=str, help='Platypush image to remove')
|
|
opts, args = parser.parse_known_args(args)
|
|
|
|
subprocess.call(['docker', 'rmi', 'platypush-{}'.format(opts.image)])
|
|
subprocess.call(['rm', '-r', os.path.join(workdir, opts.image)])
|
|
|
|
|
|
def ls(args):
|
|
parser = argparse.ArgumentParser(prog='platydock ls',
|
|
description='List available Platypush containers')
|
|
parser.add_argument('filter', type=str, nargs='?',
|
|
help='Image name filter')
|
|
|
|
opts, args = parser.parse_known_args(args)
|
|
|
|
p = subprocess.Popen(['docker', 'images'], stdout=subprocess.PIPE)
|
|
output = p.communicate()[0].decode().split('\n')
|
|
header = output.pop(0)
|
|
images = []
|
|
|
|
for line in output:
|
|
if re.match('^platypush-(.+?)\s.*', line):
|
|
if not opts.filter or (opts.filter and opts.filter in line):
|
|
images.append(line)
|
|
|
|
if images:
|
|
print(header)
|
|
|
|
for image in images:
|
|
print(image)
|
|
|
|
|
|
def main():
|
|
parser = argparse.ArgumentParser(prog='platydock', add_help=False,
|
|
description='Manage Platypush docker containers',
|
|
epilog='Use platydock <action> --help to ' +
|
|
'get additional help')
|
|
|
|
# noinspection PyTypeChecker
|
|
parser.add_argument('action', nargs='?', type=Action, choices=list(Action),
|
|
help='Action to execute')
|
|
parser.add_argument('-h', '--help', action='store_true', help='Show usage')
|
|
opts, args = parser.parse_known_args(sys.argv[1:])
|
|
|
|
if (opts.help and not opts.action) or (not opts.help and not opts.action):
|
|
parser.print_help()
|
|
return 1
|
|
|
|
globals()[str(opts.action)](sys.argv[2:])
|
|
|
|
|
|
if __name__ == '__main__':
|
|
ERR_PREFIX = '\n\033[6;31;47mERROR\033[0;91m '
|
|
ERR_SUFFIX = '\033[0m'
|
|
|
|
try:
|
|
main()
|
|
except Exception as e:
|
|
tb.print_exc(file=sys.stdout)
|
|
print(ERR_PREFIX + str(e) + ERR_SUFFIX, file=sys.stderr)
|
|
|
|
# vim:sw=4:ts=4:et:
|