def getenvdict(reader: SectionReader, key: str) -> Mapping[str, str]:
environment = {}
for value in reader.getlist(key):
envvar, _, value = value.partition("=")
environment[envvar] = value
return environment
def parse_container_config(
config: Config, container_name: str, all_container_names: Container[str]
) -> ContainerConfig:
inipath = str(config.toxinipath)
iniparser = py.iniconfig.IniConfig(inipath)
reader = SectionReader(f"docker:{container_name}", iniparser)
reader.addsubstitutions(
distdir=config.distdir,
homedir=config.homedir,
toxinidir=config.toxinidir,
toxworkdir=config.toxworkdir,
)
kwargs = {
"name": container_name,
"image": Image(reader.getstring("image")),
"stop": container_name not in config.option.docker_dont_stop,
}
environment = None
if reader.getstring("environment"):
environment = getenvdict(reader, "environment")
hc_cmd = hc_interval = hc_timeout = hc_start_period = hc_retries = None
if reader.getstring("healthcheck_cmd"):
hc_cmd = reader.getstring("healthcheck_cmd")
if reader.getstring("healthcheck_interval"):
hc_interval = gettime(reader, "healthcheck_interval")
if reader.getstring("healthcheck_timeout"):
hc_timeout = gettime(reader, "healthcheck_timeout")
if reader.getstring("healthcheck_start_period"):
hc_start_period = gettime(reader, "healthcheck_start_period")
if reader.getstring("healthcheck_retries"):
hc_retries = getint(reader, "healthcheck_retries")
ports = None
if reader.getstring("ports"):
ports = [Port(line) for line in reader.getlist("ports")]
links = None
if reader.getstring("links"):
links = [Link(line) for line in reader.getlist("links")]
volumes = None
if reader.getstring("volumes"):
volumes = [Volume(line) for line in reader.getlist("volumes")]
return ContainerConfig(
name=container_name,
image=Image(reader.getstring("image")),
stop=container_name not in config.option.docker_dont_stop,
environment=environment,
healthcheck_cmd=hc_cmd,
healthcheck_interval=hc_interval,
healthcheck_timeout=hc_timeout,
healthcheck_start_period=hc_start_period,
healthcheck_retries=hc_retries,
ports=ports,
links=links,
volumes=volumes,
)
def tox_configure(config): # noqa: C901
def getfloat(reader, key):
val = reader.getstring(key)
if val is None:
return None
try:
return float(val)
except ValueError:
msg = f"{val!r} is not a number (for {key} in [{reader.section_name}])"
raise ValueError(msg)
def gettime(reader, key):
return int(getfloat(reader, key) * SECOND)
def getint(reader, key):
raw = getfloat(reader, key)
val = int(raw)
if val != raw:
msg = f"{val!r} is not an int (for {key} in [{reader.section_name}])"
raise ValueError(msg)
return val
def getenvdict(reader, key):
environment = {}
for value in reader.getlist(key):
envvar, _, value = value.partition("=")
environment[envvar] = value
return environment
# discover container configs
inipath = str(config.toxinipath)
iniparser = py.iniconfig.IniConfig(inipath)
container_configs = {}
for section in iniparser.sections:
if not section.startswith("docker:"):
continue
_, _, container_name = section.partition(":")
if not re.match(r"^[a-zA-Z][-_.a-zA-Z0-9]+$", container_name):
raise ValueError(
f"{container_name!r} is not a valid container name")
# populated in the next loop
container_configs[container_name] = {}
# validate command line options
for container_name in config.option.docker_dont_stop:
if container_name not in container_configs:
raise ValueError(
f"Container {container_name!r} not found (from --docker-dont-stop)"
)
# validate tox.ini
for section in iniparser.sections:
if not section.startswith("docker:"):
continue
reader = SectionReader(section, iniparser)
reader.addsubstitutions(
distdir=config.distdir,
homedir=config.homedir,
toxinidir=config.toxinidir,
toxworkdir=config.toxworkdir,
)
_, _, container_name = section.partition(":")
container_configs[container_name].update({
"image":
reader.getstring("image"),
"stop":
container_name not in config.option.docker_dont_stop,
})
if reader.getstring("environment"):
env = getenvdict(reader, "environment")
container_configs[container_name]["environment"] = env
if reader.getstring("healthcheck_cmd"):
container_configs[container_name][
"healthcheck_cmd"] = reader.getstring("healthcheck_cmd")
if reader.getstring("healthcheck_interval"):
container_configs[container_name][
"healthcheck_interval"] = gettime(reader,
"healthcheck_interval")
if reader.getstring("healthcheck_timeout"):
container_configs[container_name]["healthcheck_timeout"] = gettime(
reader, "healthcheck_timeout")
if reader.getstring("healthcheck_start_period"):
container_configs[container_name][
"healthcheck_start_period"] = gettime(
reader, "healthcheck_start_period")
if reader.getstring("healthcheck_retries"):
container_configs[container_name]["healthcheck_retries"] = getint(
reader, "healthcheck_retries")
if reader.getstring("ports"):
container_configs[container_name]["ports"] = reader.getlist(
"ports")
if reader.getstring("links"):
container_configs[container_name]["links"] = dict(
_validate_link_line(link_line, container_configs.keys())
for link_line in reader.getlist("links") if link_line.strip())
if reader.getstring("volumes"):
container_configs[container_name]["mounts"] = [
_validate_volume_line(volume_line)
for volume_line in reader.getlist("volumes")
if volume_line.strip()
]
config._docker_container_configs = container_configs