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dockerhub-util.py
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#! /usr/bin/env python3
"""
# -----------------------------------------------------------------------------
# dockerhub-util.py
# -----------------------------------------------------------------------------
"""
# Import from standard library. https://docs.python.org/3/library/
import argparse
import json
import linecache
import logging
import os
import signal
import sys
import time
from datetime import date
import requests
from packaging.version import Version
# Import from https://pypi.org/
# Metadata
__all__: list[str] = []
__version__ = "1.2.5" # See https://www.python.org/dev/peps/pep-0396/
__date__ = "2021-02-22"
__updated__ = "2024-01-16"
SENZING_PRODUCT_ID = "5018" # See https://github.com/Senzing/knowledge-base/blob/main/lists/senzing-product-ids.md
LOG_FORMAT = "%(asctime)s %(message)s"
# Working with bytes.
KILOBYTES = 1024
MEGABYTES = 1024 * KILOBYTES
GIGABYTES = 1024 * MEGABYTES
# The "configuration_locator" describes where configuration variables are in:
# 1) Command line options, 2) Environment variables, 3) Configuration files, 4) Default values
CONFIGURATION_LOCATOR = {
"debug": {"default": False, "env": "SENZING_DEBUG", "cli": "debug"},
"dockerhub_api_endpoint_v2": {
"default": "https://hub.docker.com/v2",
"env": "SENZING_DOCKERHUB_API_ENDPOINT_V2",
"cli": "dockerhub-api-endpoint-v2",
},
"dockerhub_organization": {
"default": "senzing",
"env": "SENZING_DOCKERHUB_ORGANIZATION",
"cli": "dockerhub-organization",
},
"dockerhub_password": {
"default": None,
"env": "SENZING_DOCKERHUB_PASSWORD",
"cli": "dockerhub-password",
},
"dockerhub_username": {
"default": None,
"env": "SENZING_DOCKERHUB_USERNAME",
"cli": "dockerhub-username",
},
"print_format": {
"default": "{0}",
"env": "SENZING_PRINT_FORMAT",
"cli": "print-format",
},
"sleep_time_in_seconds": {
"default": 0,
"env": "SENZING_SLEEP_TIME_IN_SECONDS",
"cli": "sleep-time-in-seconds",
},
"subcommand": {
"default": None,
"env": "SENZING_SUBCOMMAND",
},
}
# Enumerate keys in 'configuration_locator' that should not be printed to the log.
KEYS_TO_REDACT = [
"dockerhub_password",
]
REDACT_VERSIONS = ["experimental", "latest", "sha256-", "staging", "test"]
# Docker registries for knowledge-base/lists/docker-versions-latest.sh
DOCKERHUB_REPOSITORIES_FOR_LATEST = {
"adminer": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_ADMINER",
},
"apt": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_APT",
},
"aptdownloader": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_APT_DOWNLOADER",
},
"configurator": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_CONFIGURATOR",
},
"data-encryption-aes256cbc-sample": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_DATA_ENCRYPTION_AES256CBC_SAMPLE",
},
"db2-driver-installer": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_DB2_DRIVER_INSTALLER",
},
"docker-compose-air-gapper": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_DOCKER_COMPOSE_AIR_GAPPER",
},
"dockerhub-util": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_DOCKERHUB_UTIL",
},
"entity-search-web-app": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_ENTITY_SEARCH_WEB_APP",
},
"entity-search-web-app-console": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_ENTITY_SEARCH_WEB_APP_CONSOLE",
},
"file-loader": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_FILE_LOADER",
},
"g2command": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_G2COMMAND",
},
"g2configtool": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_G2CONFIGTOOL",
},
"g2loader": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_G2LOADER",
},
"ibm-db2": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_IBM_DB2",
},
"init-container": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_INIT_CONTAINER",
},
"init-database": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_INIT_DATABASE",
},
"init-postgresql": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_INIT_POSTGRESQL",
},
"init-mysql": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_INIT_MYSQL",
},
"jupyter": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_JUPYTER",
},
"phppgadmin": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_PHPPGADMIN",
},
"postgresql-client": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_POSTGRESQL_CLIENT",
},
"python-demo": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_PYTHON_DEMO",
},
"redoer": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_REDOER",
},
"resolver": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_RESOLVER",
},
"risk-score-calculator": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_RISK_SCORE_CALCULATOR",
},
"senzing-api-server": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_SENZING_API_SERVER",
},
"senzing-base": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_SENZING_BASE",
},
"senzing-console": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_SENZING_CONSOLE",
},
"senzing-console-slim": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_SENZING_CONSOLE_SLIM",
},
"senzing-listener": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_SENZING_LISTENER",
},
"senzing-poc-server": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_SENZING_POC_SERVER",
},
"senzing-tools": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_SENZING_TOOLS",
},
"senzingapi-runtime": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_SENZINGAPI_RUNTIME",
},
"senzingapi-tools": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_SENZINGAPI_TOOLS",
},
"serve-chat": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_SERVE_CHAT",
},
"serve-grpc": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_SERVE_GRPC",
},
"sshd": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_SSHD",
},
"stream-loader": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_STREAM_LOADER",
},
"stream-logger": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_STREAM_LOGGER",
},
"stream-producer": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_STREAM_PRODUCER",
},
"web-app-demo": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_WEB_APP_DEMO",
},
"xterm": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_XTERM",
},
"yum": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_YUM",
},
"yumdownloader": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_YUM_DOWNLOADER",
},
"x-bitnami-shell": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_BITNAMI_SHELL",
"image": "bitnami/bitnami-shell",
"version": "11-debian-11-r136",
},
"x-busybox": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_BUSYBOX",
"image": "busybox",
"version": "1.36.1",
},
"x-confluentinc-cp-kafka": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_CONFLUENTINC_CP_KAFKA",
"image": "confluentinc/cp-kafka",
"version": "7.5.3",
},
"x-elasticsearch": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_ELASTICSEARCH",
"image": "elasticsearch",
"version": "8.11.3",
},
"x-ibmcom-db2": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_IBMCOM_DB2",
"image": "ibmcom/db2",
"version": "11.5.8.0",
},
"x-kafdrop": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_OBSIDIANDYNAMICS_KAFDROP",
"image": "obsidiandynamics/kafdrop",
"version": "4.0.0",
},
"x-kafka": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_BITNAMI_KAFKA",
"image": "bitnami/kafka",
"version": "3.5.2-debian-11-r1",
},
"x-kibana": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_KIBANA",
"image": "kibana",
"version": "8.11.3",
},
"x-logstash": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_LOGSTASH",
"image": "logstash",
"version": "8.11.3",
},
"x-mssql": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_MSSQL_SERVER",
"image": "mcr.microsoft.com/mssql/server",
"url-versions": "https://mcr.microsoft.com/v2/mssql/server/tags/list",
"version": "2019-GA-ubuntu-16.04",
},
"x-mssql-tools": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_MSSQL_TOOLS",
"image": "mcr.microsoft.com/mssql-tools",
"reference-url": "https://hub.docker.com/_/microsoft-mssql-tools",
"version": "latest",
},
"x-mysql": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_BITNAMI_MYSQL",
"image": "bitnami/mysql",
"version": "8.2.0-debian-11-r4",
},
"x-mysql-deprecated": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_MYSQL",
"image": "bitnami/mysql",
"version": "8.2.0-debian-11-r4",
},
"x-mysql-client": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_AREY_MYSQL_CLIENT",
"image": "arey/mysql-client",
"version": "latest",
},
"x-nginx": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_BITNAMI_NGINX",
"image": "bitnami/nginx",
"version": "1.25.3-debian-11-r4",
},
"x-nginx-ingress-controller": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_BITNAMI_NGINX_INGRESS_CONTROLLER",
"image": "bitnami/nginx-ingress-controller",
"version": "1.9.1-debian-11-r0",
},
"x-pgadmin": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_DPAGE_PGADMIN4",
"image": "dpage/pgadmin4",
"version": "8.2",
},
"x-phpmyadmin": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_BITNAMI_PHPMYADMIN",
"image": "bitnami/phpmyadmin",
"version": "5.2.1-debian-11-r128",
},
"x-portainer": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_PORTAINER",
"image": "portainer/portainer",
"version": "1.25.0",
},
"x-portainer-ce": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_PORTAINER_CE",
"image": "portainer/portainer-ce",
"version": "2.19.4",
},
"x-postgres": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_BITNAMI_POSTGRESQL",
"image": "bitnami/postgresql",
"version": "16.0.0-debian-11-r10",
},
"x-rabbitmq": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_BITNAMI_RABBITMQ",
"image": "bitnami/rabbitmq",
"version": "3.12.12-debian-11-r3",
},
"x-sqlite-web": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_SQLITE_WEB",
"image": "coleifer/sqlite-web",
"version": "latest",
},
"x-swagger-ui": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_SWAGGERAPI_SWAGGER_UI",
"image": "swaggerapi/swagger-ui",
"version": "v5.11.0",
},
"x-zookeeper": {
"environment_variable": "SENZING_DOCKER_IMAGE_VERSION_BITNAMI_ZOOKEEPER",
"image": "bitnami/zookeeper",
"version": "3.9.1-debian-11-r5",
},
}
# -----------------------------------------------------------------------------
# Define argument parser
# -----------------------------------------------------------------------------
def get_parser():
"""Parse commandline arguments."""
subcommands = {
"print-active-image-names": {
"help": "Print image names hosted on DockerHub.",
"argument_aspects": ["common", "print"],
"arguments": {},
},
"print-image-names": {
"help": "Print image names used in Senzing demonstrations.",
"argument_aspects": ["common"],
"arguments": {},
},
"print-latest-versions": {
"help": "Print latest versions of Docker images.",
"argument_aspects": ["common"],
"arguments": {},
},
"sleep": {
"help": "Do nothing but sleep. For Docker testing.",
"arguments": {
"--sleep-time-in-seconds": {
"dest": "sleep_time_in_seconds",
"metavar": "SENZING_SLEEP_TIME_IN_SECONDS",
"help": "Sleep time in seconds. DEFAULT: 0 (infinite)",
},
},
},
"version": {
"help": "Print version of program.",
},
"docker-acceptance-test": {
"help": "For Docker acceptance testing.",
},
}
# Define argument_aspects.
argument_aspects = {
"common": {
"--debug": {
"dest": "debug",
"action": "store_true",
"help": "Enable debugging. (SENZING_DEBUG) Default: False",
},
"--dockerhub-api-endpoint-v2": {
"dest": "dockerhub_api_endpoint_v2",
"metavar": "SENZING_DOCKERHUB_API_ENDPOINT_V2",
"help": "Dockerhub API endpoint Version 2",
},
},
"print": {
"--print-format": {
"dest": "print_format",
"metavar": "SENZING_PRINT_FORMAT",
"help": "Format of output. Default: '{0}'",
},
},
}
# Augment "subcommands" variable with arguments specified by aspects.
for subcommand_value in subcommands.values():
if "argument_aspects" in subcommand_value:
for aspect in subcommand_value["argument_aspects"]:
if "arguments" not in subcommand_value:
subcommand_value["arguments"] = {}
arguments = argument_aspects.get(aspect, {})
for argument, argument_value in arguments.items():
subcommand_value["arguments"][argument] = argument_value
parser = argparse.ArgumentParser(
description="Reports from DockerHub. For more information, see https://github.com/Senzing/dockerhub-util"
)
subparsers = parser.add_subparsers(
dest="subcommand", help="Subcommands (SENZING_SUBCOMMAND):"
)
for subcommand_key, subcommand_values in subcommands.items():
subcommand_help = subcommand_values.get("help", "")
subcommand_arguments = subcommand_values.get("arguments", {})
subparser = subparsers.add_parser(subcommand_key, help=subcommand_help)
for argument_key, argument_values in subcommand_arguments.items():
subparser.add_argument(argument_key, **argument_values)
return parser
# -----------------------------------------------------------------------------
# Message handling
# -----------------------------------------------------------------------------
# 1xx Informational (i.e. logging.info())
# 3xx Warning (i.e. logging.warning())
# 5xx User configuration issues (either logging.warning() or logging.err() for Client errors)
# 7xx Internal error (i.e. logging.error for Server errors)
# 9xx Debugging (i.e. logging.debug())
MESSAGE_INFO = 100
MESSAGE_WARN = 300
MESSAGE_ERROR = 700
MESSAGE_DEBUG = 900
MESSAGE_DICTIONARY = {
"100": "senzing-" + SENZING_PRODUCT_ID + "{0:04d}I",
"292": "Configuration change detected. Old: {0} New: {1}",
"293": "For information on warnings and errors, see https://github.com/Senzing/dockerhub-util",
"294": "Version: {0} Updated: {1}",
"295": "Sleeping infinitely.",
"296": "Sleeping {0} seconds.",
"297": "Enter {0}",
"298": "Exit {0}",
"299": "{0}",
"300": "senzing-" + SENZING_PRODUCT_ID + "{0:04d}W",
"499": "{0}",
"500": "senzing-" + SENZING_PRODUCT_ID + "{0:04d}E",
"696": "Bad SENZING_SUBCOMMAND: {0}.",
"697": "No processing done.",
"698": "Program terminated with error.",
"699": "{0}",
"700": "senzing-" + SENZING_PRODUCT_ID + "{0:04d}E",
"899": "{0}",
"900": "senzing-" + SENZING_PRODUCT_ID + "{0:04d}D",
"901": "In repository '{0}', Non-semantic-version {1}",
"998": "Debugging enabled.",
"999": "{0}",
}
def message(index, *args):
"""Return an instantiated message."""
index_string = str(index)
template = MESSAGE_DICTIONARY.get(
index_string, "No message for index {0}.".format(index_string)
)
return template.format(*args)
def message_generic(generic_index, index, *args):
"""Return a formatted message."""
return "{0} {1}".format(message(generic_index, index), message(index, *args))
def message_info(index, *args):
"""Return an info message."""
return message_generic(MESSAGE_INFO, index, *args)
def message_warning(index, *args):
"""Return a warning message."""
return message_generic(MESSAGE_WARN, index, *args)
def message_error(index, *args):
"""Return an error message."""
return message_generic(MESSAGE_ERROR, index, *args)
def message_debug(index, *args):
"""Return a debug message."""
return message_generic(MESSAGE_DEBUG, index, *args)
def get_exception():
"""Get details about an exception."""
exception_type, exception_object, traceback = sys.exc_info()
frame = traceback.tb_frame
line_number = traceback.tb_lineno
filename = frame.f_code.co_filename
linecache.checkcache(filename)
line = linecache.getline(filename, line_number, frame.f_globals)
return {
"filename": filename,
"line_number": line_number,
"line": line.strip(),
"exception": exception_object,
"type": exception_type,
"traceback": traceback,
}
# -----------------------------------------------------------------------------
# Configuration
# -----------------------------------------------------------------------------
def get_configuration(subcommand, args):
"""Order of precedence: CLI, OS environment variables, INI file, default."""
result = {}
# Copy default values into configuration dictionary.
for key, value in list(CONFIGURATION_LOCATOR.items()):
result[key] = value.get("default", None)
# "Prime the pump" with command line args. This will be done again as the last step.
for key, value in list(args.__dict__.items()):
new_key = key.format(subcommand.replace("-", "_"))
if value:
result[new_key] = value
# Copy OS environment variables into configuration dictionary.
for key, value in list(CONFIGURATION_LOCATOR.items()):
os_env_var = value.get("env", None)
if os_env_var:
os_env_value = os.getenv(os_env_var, None)
if os_env_value:
result[key] = os_env_value
# Copy 'args' into configuration dictionary.
for key, value in list(args.__dict__.items()):
new_key = key.format(subcommand.replace("-", "_"))
if value:
result[new_key] = value
# Add program information.
result["program_version"] = __version__
result["program_updated"] = __updated__
# Special case: subcommand from command-line
if args.subcommand:
result["subcommand"] = args.subcommand
# Special case: Change boolean strings to booleans.
booleans = [
"debug",
]
for boolean in booleans:
boolean_value = result.get(boolean)
if isinstance(boolean_value, str):
boolean_value_lower_case = boolean_value.lower()
if boolean_value_lower_case in ["true", "1", "t", "y", "yes"]:
result[boolean] = True
else:
result[boolean] = False
# Special case: Change integer strings to integers.
integers = ["sleep_time_in_seconds"]
for integer in integers:
integer_string = result.get(integer)
result[integer] = int(integer_string)
return result
def validate_configuration(config):
"""Check aggregate configuration from commandline options, environment variables, config files, and defaults."""
user_warning_messages = []
user_error_messages = []
# Perform subcommand specific checking.
subcommand = config.get("subcommand")
if subcommand in ["comments"]:
if not config.get("github_access_token"):
user_error_messages.append(message_error(701))
# Log warning messages.
for user_warning_message in user_warning_messages:
logging.warning(user_warning_message)
# Log error messages.
for user_error_message in user_error_messages:
logging.error(user_error_message)
# Log where to go for help.
if len(user_warning_messages) > 0 or len(user_error_messages) > 0:
logging.info(message_info(293))
# If there are error messages, exit.
if len(user_error_messages) > 0:
exit_error(697)
def redact_configuration(config):
"""Return a shallow copy of config with certain keys removed."""
result = config.copy()
for key in KEYS_TO_REDACT:
try:
result.pop(key)
except Exception:
pass
return result
# -----------------------------------------------------------------------------
# Class DockerHubClient
# Inspired by https://github.com/amalfra/docker-hub/blob/master/src/libs/docker_hub_client.py
# -----------------------------------------------------------------------------
class DockerHubClient:
"""Wrapper to communicate with docker hub API"""
def __init__(self, config):
self.auth_token = config.get("auth_token")
self.dockerhub_api_endpoint_v2 = config.get("dockerhub_api_endpoint_v2")
self.valid_methods = ["GET", "POST"]
def do_request(self, url, method="GET", data=None):
"""Make an HTTP request."""
result = {}
if not data:
data = {}
if method not in self.valid_methods:
raise ValueError("Invalid HTTP request method")
headers = {"Content-type": "application/json"}
if self.auth_token:
headers["Authorization"] = "JWT " + self.auth_token
request_method = getattr(requests, method.lower())
if len(data) > 0:
data = json.dumps(data, indent=2, sort_keys=True)
response = request_method(url, data, headers=headers)
else:
response = request_method(url, headers=headers)
if response.status_code == 200:
result = json.loads(response.content.decode())
return result
def get_repositories(self, organization):
"""Return a list of repositories."""
url = "{0}/repositories/{1}/?page_size=200".format(
self.dockerhub_api_endpoint_v2, organization
)
return self.do_request(url)
def get_repository_tags(self, organization, repository_name):
"""Return a list repository tags for a repository."""
url = "{0}/repositories/{1}/{2}/tags".format(
self.dockerhub_api_endpoint_v2, organization, repository_name
)
return self.do_request(url)
# -----------------------------------------------------------------------------
# Utility functions
# -----------------------------------------------------------------------------
def create_signal_handler_function(args):
"""Tricky code. Uses currying technique. Create a function for signal handling.
that knows about "args".
"""
def result_function(signal_number, frame):
logging.info(message_info(298, args))
logging.debug(message_debug(901, signal_number, frame))
sys.exit(0)
return result_function
def bootstrap_signal_handler(signal_number, frame):
"""Exit on signal error."""
logging.debug(message_debug(901, signal_number, frame))
sys.exit(0)
def entry_template(config):
"""Format of entry message."""
debug = config.get("debug", False)
config["start_time"] = time.time()
if debug:
final_config = config
else:
final_config = redact_configuration(config)
config_json = json.dumps(final_config, sort_keys=True)
return message_info(297, config_json)
def exit_template(config):
"""Format of exit message."""
debug = config.get("debug", False)
stop_time = time.time()
config["stop_time"] = stop_time
config["elapsed_time"] = stop_time - config.get("start_time", stop_time)
if debug:
final_config = config
else:
final_config = redact_configuration(config)
config_json = json.dumps(final_config, sort_keys=True)
return message_info(298, config_json)
def exit_error(index, *args):
"""Log error message and exit program."""
logging.error(message_error(index, *args))
logging.error(message_error(698))
sys.exit(1)
def exit_silently():
"""Exit program."""
sys.exit(0)
# -----------------------------------------------------------------------------
# Helper functions
# -----------------------------------------------------------------------------
def max_version(versions):
"""Return most recent (highest) version."""
result = Version("0.0.0")
for version in versions:
version_parsed = Version(version)
if version_parsed > result:
result = version_parsed
return result
def redacted(key):
"""Determine if a key is redacted."""
for redact in REDACT_VERSIONS:
if key.startswith(redact):
return True
return False
def find_latest_version(version_list):
"""Return the latest version after redacting the version_list."""
# TODO: Perhaps improve with https://pypi.org/project/semver/
return max_version([x for x in version_list if not redacted(x)])
def get_active_image_names(config):
"""Get the latest version of Docker images."""
result = []
organization = config.get("dockerhub_organization")
dockerhub_client = DockerHubClient(config)
response = dockerhub_client.get_repositories(organization)
result = response.get("results", result)
return result
def get_latest_versions(config, dockerhub_repositories):
"""Get the latest version of Docker images."""
result = []
organization_default = config.get("dockerhub_organization")
dockerhub_client = DockerHubClient(config)
for key, value in dockerhub_repositories.items():
organization = value.get("organization", organization_default)
latest_version = value.get("version")
if not latest_version:
repository_name = value.get("repository", key)
response = dockerhub_client.get_repository_tags(
organization, repository_name
)
response_results = response.get("results")
version_tags = [x.get("name") for x in response_results]
try:
latest_version = find_latest_version(version_tags)
except Exception as err:
logging.error(message_error(901, repository_name, err))
continue
result.append(
"export {0}={1}".format(value.get("environment_variable"), latest_version)
)
result.sort()
return result
def get_image_names(dockerhub_repositories):
"""Get Docker images names from DockerHub."""
result = {}
for key, value in dockerhub_repositories.items():
# Skip deprecated keys.
if "deprecated" in key:
continue
# Add to result.
if "image" in value:
image_name = value.get("image")
else:
image_name = "senzing/{0}".format(key)
result[image_name] = {"environment_variable": value.get("environment_variable")}
return result
# -----------------------------------------------------------------------------
# do_* functions
# Common function signature: do_XXX(args)
# -----------------------------------------------------------------------------
def do_docker_acceptance_test(subcommand, args):
"""For use with Docker acceptance testing."""
# Get context from CLI, environment variables, and ini files.
config = get_configuration(subcommand, args)
# Prolog.
logging.info(entry_template(config))
# Epilog.
logging.info(exit_template(config))
def do_print_image_names(subcommand, args):
"""Do a task."""
# Get context from CLI, environment variables, and ini files.
config = get_configuration(subcommand, args)
# Prolog.
logging.info(entry_template(config))
# Do work.
response = get_image_names(DOCKERHUB_REPOSITORIES_FOR_LATEST)
response_json = json.dumps(response, sort_keys=True, indent=4)
print(response_json)
# Epilog.
logging.info(exit_template(config))
def do_print_active_image_names(subcommand, args):
"""Do a task."""
# Get context from CLI, environment variables, and ini files.
config = get_configuration(subcommand, args)
# Prolog.
logging.info(entry_template(config))
# Pull variables from config.
print_format = config.get("print_format")
# Do work.
response = get_active_image_names(config)
# Sort response.
repositories = []
for item in response:
repositories.append("{0}/{1}".format(item.get("namespace"), item.get("name")))
repositories.sort()
for repository in repositories:
print(print_format.format(repository))
# Epilog.
logging.info(exit_template(config))
def do_print_latest_versions(subcommand, args):
"""Do a task."""
# Get context from CLI, environment variables, and ini files.
config = get_configuration(subcommand, args)
# Prolog.
logging.info(entry_template(config))
# Do work.
response = get_latest_versions(config, DOCKERHUB_REPOSITORIES_FOR_LATEST)
print("#!/usr/bin/env bash")
print("")
print(
"# Generated on {0} by https://github.com/Senzing/dockerhub-util "
"dockerhub-util.py version: {1} update: {2}".format(
date.today(), config.get("program_version"), config.get("program_updated")
)
)
print("")
for line in response:
print(line)
# Epilog.
logging.info(exit_template(config))
def do_sleep(subcommand, args):
"""Sleep. Used for debugging."""
# Get context from CLI, environment variables, and ini files.
config = get_configuration(subcommand, args)
# Prolog.
logging.info(entry_template(config))
# Pull values from configuration.
sleep_time_in_seconds = config.get("sleep_time_in_seconds")
# Sleep.
if sleep_time_in_seconds > 0:
logging.info(message_info(296, sleep_time_in_seconds))
time.sleep(sleep_time_in_seconds)