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Refactor/documentation round for platydock.

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This commit is contained in:
Fabio Manganiello 2023-08-22 02:49:05 +02:00
parent 10c0e5fcad
commit ce68250b4d
Signed by: blacklight
GPG key ID: D90FBA7F76362774
1 changed files with 74 additions and 64 deletions
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62
platypush/platydock/__init__.py
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@ -10,7 +10,7 @@ import pathlib
import re
import sys
import textwrap
from typing import Iterable
from typing import Iterable, Sequence
from platypush.config import Config
from platypush.utils.manifest import (
@ -70,7 +70,6 @@ class DockerfileGenerator:
"""
Generate a Dockerfile based on a configuration file.
:param cfgfile: Path to the configuration file.
:return: The content of the generated Dockerfile.
"""
import platypush
@ -131,6 +130,11 @@ class DockerfileGenerator:
return '\n'.join(new_file_lines)
def _generate_git_clone_command(self) -> str:
"""
Generates a git clone command in Dockerfile that checks out the repo
and the right git reference, if the application sources aren't already
available under /install.
"""
pkg_manager = self._pkg_manager_by_base_image[self.image]
install_cmd = ' '.join(pkg_manager.value.install)
uninstall_cmd = ' '.join(pkg_manager.value.uninstall)
@ -148,26 +152,13 @@ class DockerfileGenerator:
"""
)
@staticmethod
def _get_exposed_ports() -> Iterable[int]:
@classmethod
def from_cmdline(cls, args: Sequence[str]) -> 'DockerfileGenerator':
"""
:return: The listen ports used by the backends enabled in the configuration
file.
"""
backends_config = Config.get_backends()
return {
int(port)
for port in (
backends_config.get('http', {}).get('port'),
backends_config.get('tcp', {}).get('port'),
)
if port
}
Create a DockerfileGenerator instance from command line arguments.
def main():
"""
Generates a Dockerfile based on the configuration file.
:param args: Command line arguments.
:return: A DockerfileGenerator instance.
"""
parser = argparse.ArgumentParser(
prog='platydock',
@ -210,10 +201,10 @@ def main():
'option which branch, tag or commit hash to use. Defaults to master.',
)
opts, _ = parser.parse_known_args(sys.argv[1:])
opts, _ = parser.parse_known_args(args)
if opts.show_usage:
parser.print_help()
return 0
sys.exit(0)
if not opts.cfgfile:
opts.cfgfile = os.path.join(
@ -226,11 +217,30 @@ def main():
file=sys.stderr,
)
dockerfile = DockerfileGenerator(
opts.cfgfile, image=opts.image, gitref=opts.gitref
).generate()
return cls(opts.cfgfile, image=opts.image, gitref=opts.gitref)
print(dockerfile)
@staticmethod
def _get_exposed_ports() -> Iterable[int]:
"""
:return: The listen ports used by the backends enabled in the configuration
file.
"""
backends_config = Config.get_backends()
return {
int(port)
for port in (
backends_config.get('http', {}).get('port'),
backends_config.get('tcp', {}).get('port'),
)
if port
}
def main():
"""
Generates a Dockerfile based on the configuration file.
"""
print(DockerfileGenerator.from_cmdline(sys.argv[1:]).generate())
return 0