runbot/runbot/models/docker.py
2024-08-28 10:23:08 +02:00

361 lines
18 KiB
Python

import getpass
import logging
import os
import re
import time
from odoo import api, fields, models
from odoo.addons.base.models.ir_qweb import QWebException
from ..container import docker_build
from ..fields import JsonDictField
_logger = logging.getLogger(__name__)
USERUID = os.getuid()
USERGID = os.getgid()
USERNAME = getpass.getuser()
class DockerLayer(models.Model):
_name = 'runbot.docker_layer'
_inherit = 'mail.thread'
_description = "Docker layer"
_order = 'sequence,id'
name = fields.Char("Name", required=True)
sequence = fields.Integer("Sequence", default=100, tracking=True)
dockerfile_id = fields.Many2one('runbot.dockerfile', index=True, tracking=True)
layer_type = fields.Selection([
('raw', "Raw"),
('template', "Template"),
('reference_layer', "Reference layer"),
('reference_file', "Reference file"),
], string="Layer type", default='raw', tracking=True)
content = fields.Text("Content", tracking=True)
packages = fields.Text("Packages", help="List of package, can be on multiple lines with comments", tracking=True)
rendered = fields.Text("Rendered", compute="_compute_rendered", recursive=True)
reference_docker_layer_id = fields.Many2one('runbot.docker_layer', index=True, tracking=True)
reference_dockerfile_id = fields.Many2one('runbot.dockerfile', index=True, tracking=True)
values = JsonDictField()
referencing_dockerlayer_ids = fields.One2many('runbot.docker_layer', 'reference_docker_layer_id', string='Layers referencing this one direcly', readonly=True)
all_referencing_dockerlayer_ids = fields.One2many('runbot.docker_layer', compute="_compute_references", string='Layers referencing this one', readonly=True)
reference_count = fields.Integer('Number of references', compute='_compute_references')
has_xml_id = fields.Boolean(compute='_compute_has_xml_id')
@api.depends('referencing_dockerlayer_ids', 'dockerfile_id.referencing_dockerlayer_ids')
def _compute_references(self):
for record in self:
record.all_referencing_dockerlayer_ids = record.referencing_dockerlayer_ids | record.dockerfile_id.referencing_dockerlayer_ids
record.reference_count = len(record.all_referencing_dockerlayer_ids)
def _compute_has_xml_id(self):
existing_xml_id = set(self.env['ir.model.data'].search([('model', '=', self._name)]).mapped('res_id'))
for record in self:
record.has_xml_id = record.id and record.id in existing_xml_id
@api.depends('layer_type', 'content', 'reference_docker_layer_id.rendered', 'reference_dockerfile_id.layer_ids.rendered', 'values', 'packages', 'name')
def _compute_rendered(self):
for layer in self:
rendered = layer._render_layer({})
layer.rendered = rendered
def _render_layer(self, custom_values):
base_values = {
'USERUID': USERUID,
'USERGID': USERGID,
'USERNAME': USERNAME,
}
if packages := self._parse_packages():
base_values['$packages'] = packages
values = {**base_values, **self.values, **custom_values}
if self.layer_type == 'raw':
rendered = self.content
elif self.layer_type == 'reference_layer':
if self.reference_docker_layer_id:
rendered = self.reference_docker_layer_id._render_layer(values)
else:
rendered = 'ERROR: no reference_docker_layer_id defined'
elif self.layer_type == 'reference_file':
if self.reference_dockerfile_id:
rendered = self.reference_dockerfile_id.layer_ids.render_layers(values)
else:
rendered = 'ERROR: no reference_docker_layer_id defined'
elif self.layer_type == 'template':
rendered = self._render_template(values)
if not rendered or rendered[0] != '#':
rendered = f'# {self.name}\n{rendered}'
return rendered
def render_layers(self, values=None):
values = values or {}
return "\n\n".join(layer._render_layer(values) or "" for layer in self) + '\n'
def _render_template(self, values):
values = {key: value for key, value in values.items() if f'{key}' in (self.content or '')} # filter on keys mainly to have a nicer comment. All default must be defined in self.values
rendered = self.content
if self.values.keys() - ['$packages']:
values_repr = str(values).replace("'", '"')
rendered = f"# {self.name or 'Rendering'} with values {values_repr}\n{rendered}"
for key, value in values.items():
rendered = rendered.replace('{%s}' % key, str(value))
return rendered
def _parse_packages(self):
packages = [packages.split('#')[0].strip() for packages in (self.packages or '').split('\n')]
packages = [package for package in packages if package]
return ' '.join(packages)
def unlink(self):
to_unlink = self
for record in self:
if record.reference_count and record.dockerfile_id and not record.has_xml_id:
record.dockerfile_id = False
to_unlink = to_unlink - record
return super(DockerLayer, to_unlink).unlink()
class Dockerfile(models.Model):
_name = 'runbot.dockerfile'
_inherit = [ 'mail.thread' ]
_description = "Dockerfile"
name = fields.Char('Dockerfile name', required=True, help="Name of Dockerfile")
active = fields.Boolean('Active', default=True, tracking=True)
image_tag = fields.Char(compute='_compute_image_tag', store=True)
template_id = fields.Many2one('ir.ui.view', string='Docker Template', domain=[('type', '=', 'qweb')], context={'default_type': 'qweb', 'default_arch_base': '<t></t>'})
arch_base = fields.Text(related='template_id.arch_base', readonly=False, related_sudo=True)
dockerfile = fields.Text(compute='_compute_dockerfile', tracking=True)
to_build = fields.Boolean('To Build', help='Build Dockerfile. Check this when the Dockerfile is ready.', default=False)
version_ids = fields.One2many('runbot.version', 'dockerfile_id', string='Versions')
description = fields.Text('Description')
view_ids = fields.Many2many('ir.ui.view', compute='_compute_view_ids', groups="runbot.group_runbot_admin")
project_ids = fields.One2many('runbot.project', 'dockerfile_id', string='Default for Projects')
bundle_ids = fields.One2many('runbot.bundle', 'dockerfile_id', string='Used in Bundles')
build_results = fields.One2many('runbot.docker_build_result', 'dockerfile_id', string='Build results')
last_successful_result = fields.Many2one('runbot.docker_build_result', compute='_compute_last_successful_result')
layer_ids = fields.One2many('runbot.docker_layer', 'dockerfile_id', string='Layers', copy=True)
referencing_dockerlayer_ids = fields.One2many('runbot.docker_layer', 'reference_dockerfile_id', string='Layers referencing this one')
use_count = fields.Integer('Used count', compute="_compute_use_count", store=True)
# maybe we should have global values here? branch version, chrome version, ... then use a os layer when possible (jammy, ...)
# we could also have a variant param, to use the version image in a specific trigger? Add a layer or change a param?
public_visibility = fields.Boolean('Public', default=lambda self: self.env['ir.config_parameter'].sudo().get_param('runbot.runbot_dockerfile_public_by_default'), help="Dockerfile is public and can be accessed by anyone with /runbot/dockerfile route")
_sql_constraints = [('runbot_dockerfile_name_unique', 'unique(name)', 'A Dockerfile with this name already exists')]
@api.returns('self', lambda value: value.id)
def copy(self, default=None):
copied_record = super().copy(default={'name': '%s (copy)' % self.name, 'to_build': False})
#copied_record.template_id = self.template_id.copy()
copied_record.template_id.name = '%s (copy)' % copied_record.template_id.name
copied_record.template_id.key = '%s (copy)' % copied_record.template_id.key
return copied_record
def _compute_last_successful_result(self):
for record in self:
record.last_successful_result = next((result for result in record.build_results if result.result == 'success'), record.build_results.browse())
@api.depends('bundle_ids', 'referencing_dockerlayer_ids', 'project_ids', 'version_ids')
def _compute_use_count(self):
for record in self:
record.use_count = len(record.bundle_ids) + len(record.referencing_dockerlayer_ids) + len(record.project_ids) + len(record.version_ids)
@api.depends('template_id.arch_base', 'layer_ids.rendered', 'layer_ids.sequence')
def _compute_dockerfile(self):
for rec in self:
content = ''
if rec.template_id:
try:
res = rec.template_id._render_template(rec.template_id.id) if rec.template_id else ''
dockerfile = re.sub(r'^\s*$', '', res, flags=re.M).strip()
create_user = f"""\nRUN groupadd -g {USERGID} {USERNAME} && useradd --create-home -u {USERUID} -g {USERNAME} -G audio,video {USERNAME}\n"""
content = dockerfile + create_user
except QWebException:
content = ''
else:
content = rec.layer_ids.render_layers()
switch_user = f"\nUSER {USERNAME}\n"
if not content.endswith(switch_user):
content = content + switch_user
rec.dockerfile = content
@api.depends('name')
def _compute_image_tag(self):
for rec in self:
if rec.name:
rec.image_tag = 'odoo:%s' % re.sub(r'[ /:\(\)\[\]]', '', rec.name)
@api.depends('template_id')
def _compute_view_ids(self):
for rec in self:
keys = re.findall(r'<t.+t-call="(.+)".+', rec.arch_base or '')
rec.view_ids = self.env['ir.ui.view'].search([('type', '=', 'qweb'), ('key', 'in', keys)]).ids
def _template_to_layers(self):
##
# Notes: This is working fine, but missing
# - debian packages layer (multiline),
# - setup tools and wheel pip (not usefull anymore? )
# - args goole chrome (maybe we should introduce that in the layers management instead of values?)
# - doc requirements
# - geo
##
def clean_comments(text):
result = '\n'.join([line.strip() for line in text.split('\n') if not line.startswith('#')])
result = result.replace('\\\n', '')
return result
env = self.env
base_layers = env['runbot.docker_layer'].browse(env['ir.model.data'].search([('model', '=', 'runbot.docker_layer')]).mapped('res_id'))
create_user_layer_id = env.ref('runbot.docker_layer_create_user_template').id
for rec in self:
if rec.template_id and not rec.layer_ids:
_logger.info('Converting %s in layers', rec.name)
layers = []
comments = []
previous_directive_add = False
content = rec.template_id._render_template(rec.template_id.id)
for line in content.split('\n'):
# should we consider all layers instead of base_layersbase_layers ?
if not line.strip():
continue
if line.startswith('#'):
comments.append(line)
continue
if any(line.startswith(directive) for directive in ['FROM', 'ENV', 'USER', 'SET', 'ADD', 'RUN', 'COPY', 'ARG']):
if (previous_directive_add and line.startswith('RUN')):
_logger.info('Keeping ADD in same layer than RUN')
else:
layers.append([])
previous_directive_add = line.startswith('ADD')
layers[-1] += comments
comments = []
layers[-1].append(line)
for layer in layers:
content = '\n'.join(layer)
values = {
'dockerfile_id': rec.id,
'name': f'{rec.name}: Migrated layer',
}
for base_layer in base_layers:
if clean_comments(base_layer.rendered) == clean_comments(content):
values['reference_docker_layer_id'] = base_layer.id
values['layer_type'] = 'reference_layer'
_logger.info('Matched existing layer')
break
if base_layer.layer_type == 'template':
regex = re.escape(clean_comments(base_layer.content)).replace('"', r'\"') # for astrange reason, re.escape does not escape "
for key in base_layer.values:
regex = regex.replace(r'\{%s\}' % key, fr'(?P<{key}>.*)', 1)
regex = regex.replace(r'\{%s\}' % key, fr'.*')
if match := re.match(regex, clean_comments(content)):
new_values = {}
_logger.info('Matched existing template')
for key in base_layer.values:
new_values[key] = match.group(key)
values['reference_docker_layer_id'] = base_layer.id
values['values'] = new_values
values['layer_type'] = 'reference_layer'
break
else:
values['content'] = content
values['layer_type'] = 'raw'
self.env['runbot.docker_layer'].create(values)
# add finals user managementlayers
self.env['runbot.docker_layer'].create({
'dockerfile_id': rec.id,
'name': f'Create user for [{rec.name}]',
'layer_type': 'reference_layer',
'reference_docker_layer_id': create_user_layer_id,
})
self.env['runbot.docker_layer'].create({
'dockerfile_id': rec.id,
'name': f'Switch user for [{rec.name}]',
'layer_type': 'template',
'content': 'USER {USERNAME}',
})
def _build(self, host=None):
start = time.time()
docker_build_path = self.env['runbot.runbot']._path('docker', self.image_tag)
os.makedirs(docker_build_path, exist_ok=True)
content = self.dockerfile
with open(self.env['runbot.runbot']._path('docker', self.image_tag, 'Dockerfile'), 'w') as Dockerfile:
Dockerfile.write(content)
docker_build_identifier, msg = docker_build(docker_build_path, self.image_tag)
duration = time.time() - start
docker_build_result_values = {'dockerfile_id': self.id, 'output': msg, 'duration': duration, 'content': content, 'host_id': host and host.id}
duration = time.time() - start
if docker_build_identifier:
docker_build_result_values['result'] = 'success'
docker_build_result_values['identifier'] = docker_build_identifier.id
if duration > 1:
_logger.info('Dockerfile %s finished build in %s', self.image_tag, duration)
else:
docker_build_result_values['result'] = 'error'
self.to_build = False
should_save_result = not docker_build_identifier # always save in case of failure
if not should_save_result:
# check previous result anyway
previous_result = self.env['runbot.docker_build_result'].search([
('dockerfile_id', '=', self.id),
('host_id', '=', host and host.id),
], order='id desc', limit=1)
# identifier changed
if docker_build_identifier.id != previous_result.identifier:
should_save_result = True
if previous_result.output != docker_build_result_values['output']: # to discuss
should_save_result = True
if previous_result.content != docker_build_result_values['content']: # docker image changed
should_save_result = True
if should_save_result:
result = self.env['runbot.docker_build_result'].create(docker_build_result_values)
if not docker_build_identifier:
message = f'Build failure, check results for more info ({result.summary})'
self.message_post(body=message)
_logger.error(message)
class DockerBuildOutput(models.Model):
_name = 'runbot.docker_build_result'
_description = "Result of a docker file build"
_order = 'id desc'
result = fields.Selection(string="Result", selection=[('error', 'Error'), ('success', 'Success')])
host_id = fields.Many2one('runbot.host', string="Host")
duration = fields.Float("Exec time")
dockerfile_id = fields.Many2one('runbot.dockerfile', string="Docker file")
output = fields.Text('Output')
content = fields.Text('Content')
identifier = fields.Char('Identifier')
summary = fields.Char("Summary", compute='_compute_summary', store=True)
metadata = JsonDictField("Metadata", help="Additionnal data about this image generated by nightly builds")
@api.depends('output')
def _compute_summary(self):
for record in self:
summary = ''
for line in reversed(record.output.split('\n')):
if len(line) > 5:
summary = line
break
record.summary = summary