def import_image(image_names: List[str], namespace: str, all_images: bool,
check_s2i_thoth: bool) -> None:
"""Import Thoth image into an OpenShift deployment."""
if all_images and image_names:
_LOGGER.error(
"Cannot import all images if one or multiple image names were explicitly provided"
)
sys.exit(1)
if not (all_images or image_names):
_LOGGER.error(
"No image to import provided, state the image name explicitly or use --all for importing all Thoth images"
)
sys.exit(1)
if not (image_names or all_images):
image_names = [
click.prompt("Choose Thoth image to be imported",
default=_DEFAULT_S2I_THOTH)
]
if image_names and check_s2i_thoth:
thoth_images = get_thoth_s2i_images()
error = False
for image_name in image_names:
parts = image_name.rsplit(":", maxsplit=1)
if len(parts) == 2:
# Discard the image tag.
image_name = parts[0]
if image_name not in thoth_images:
_LOGGER.error(
"Image %r not found in Thoth's images, available are: %s",
image_name,
thoth_images,
)
error = True
if error:
sys.exit(1)
if not image_names:
image_names = get_thoth_s2i_images()
for image_name in image_names:
_LOGGER.info("Importing image %r to namespace %r", image_name,
namespace)
import_thoth_s2i_image(namespace, image_name)
def patch(
path: str,
s2i_thoth: str,
tag: str,
from_image_stream_tag: str,
check_s2i_thoth: bool = True,
insert_env_vars: bool = True,
) -> None:
"""Patch local templates to use Thoth.
Adjust templates stored on the filesystem to use Thoth's s2i.
"""
if check_s2i_thoth:
thoth_images = get_thoth_s2i_images()
if s2i_thoth not in thoth_images:
_LOGGER.error(
"Image %r not found in Thoth's images, available are: %r",
s2i_thoth,
thoth_images,
)
sys.exit(1)
_LOGGER.info("Patching files in %r to use %r", path, s2i_thoth)
build_configs = BuildConfig.load_all(path, skip_errors=True)
if not build_configs:
_LOGGER.error("No BuildConfig found in %r", path)
sys.exit(1)
from_image_stream_tag_re = re.compile(from_image_stream_tag)
image_stream_name = s2i_thoth.rsplit("/", maxsplit=1)[-1]
changed_build_configs = change_image_stream(
build_configs,
f"{image_stream_name}:{tag}",
lambda bc: bool(
from_image_stream_tag_re.fullmatch(bc.get_image_stream_tag())),
)
if insert_env_vars:
_LOGGER.warning(
"Formatting of templates might change when inserting Thoth and Thamos specific environment variables"
)
for build_config in changed_build_configs.values():
build_config.insert_thoth_env_vars()
build_config.save2file()
_LOGGER.info("Patching done \\o/, total BuildConfigs patched: %d",
len(changed_build_configs))
if len(changed_build_configs) > 0:
_LOGGER.warning(
"Don't forget to create an image stream with image %r and tag %r",
s2i_thoth,
tag,
)
def images(output_format: str) -> None:
"""Show available Thoth images."""
thoth_images = get_thoth_s2i_images()
if output_format == "json":
click.echo(json.dumps({"s2i_thoth": thoth_images}, indent=2))
elif output_format == "yaml":
click.echo(yaml.safe_dump({"s2i_thoth": thoth_images}))
elif output_format == "pretty":
for image in thoth_images:
click.echo(f"{_MARK_OK} {image}")
elif output_format == "text":
click.echo("\n".join(thoth_images))
else:
raise NotImplementedError(f"Unknown output format {output_format}")
def migrate(
namespace: str,
s2i_thoth: str,
tag: str,
from_image_stream_tag: str,
selector: Optional[str] = None,
do_import_image: bool = True,
dry_run: bool = False,
trigger_build: bool = False,
check_s2i_thoth: bool = True,
insert_env_vars: bool = True,
) -> None:
"""Migrate an existing OpenShift application to use Thoth.
Adjust an existing OpenShift deployment to use Thoth by adjusting OpenShift's BuildConfigs.
"""
s2i_thoth = s2i_thoth or click.prompt("Choose Thoth image to be imported",
default=_DEFAULT_S2I_THOTH)
if check_s2i_thoth:
thoth_images = get_thoth_s2i_images()
if s2i_thoth not in thoth_images:
_LOGGER.error(
"Image %r not found in Thoth's images, available are: %r",
s2i_thoth,
thoth_images,
)
sys.exit(1)
from_image_stream_tag_re = re.compile(from_image_stream_tag)
image_stream_name = s2i_thoth.rsplit("/", maxsplit=1)[-1]
with tempfile.NamedTemporaryFile() as temp_file:
oc_get_bc(namespace=namespace, selector=selector, path=temp_file.name)
build_configs = BuildConfig.load_all(path=temp_file.name,
skip_errors=True)
changed_build_configs = change_image_stream(
build_configs,
f"{image_stream_name}:{tag}",
lambda bc: bool(
from_image_stream_tag_re.fullmatch(bc.get_image_stream_tag())),
)
if insert_env_vars:
for build_config in changed_build_configs.values():
build_config.insert_thoth_env_vars()
if dry_run:
if trigger_build:
_LOGGER.warning("Dry run will not trigger build")
if do_import_image:
_LOGGER.warning(
"Dry run will not import image into OpenShift's registry")
for build_config in changed_build_configs.values():
click.echo("--")
click.echo(build_config.to_yaml())
return
for build_config in changed_build_configs.values():
build_config.apply()
if trigger_build:
for build_config in changed_build_configs.values():
build_config.trigger_build(only_if_no_config_change=True)
if len(changed_build_configs) > 0 and do_import_image:
import_thoth_s2i_image(namespace, s2i_thoth)