def get_server_version():
try:
# try to extract from existing running container
container_name = get_main_container_name()
version, _ = DOCKER_CLIENT.exec_in_container(
container_name,
interactive=True,
command=["bin/localstack", "--version"])
version = to_str(version).strip().splitlines()[-1]
return version
except ContainerException:
try:
# try to extract by starting a new container
img_name = get_docker_image_to_start()
version, _ = DOCKER_CLIENT.run_container(
img_name,
remove=True,
interactive=True,
entrypoint="",
command=["bin/localstack", "--version"],
)
version = to_str(version).strip().splitlines()[-1]
return version
except ContainerException:
# fall back to default constant
return constants.VERSION
def install_stepfunctions_local():
if not os.path.exists(INSTALL_PATH_STEPFUNCTIONS_JAR):
# pull the JAR file from the Docker image, which is more up-to-date than the downloadable JAR file
# TODO: works only when running on the host, outside of Docker -> add a fallback if running in Docker?
log_install_msg("Step Functions")
mkdir(INSTALL_DIR_STEPFUNCTIONS)
DOCKER_CLIENT.pull_image(IMAGE_NAME_SFN_LOCAL)
docker_name = "tmp-ls-sfn"
DOCKER_CLIENT.run_container(
IMAGE_NAME_SFN_LOCAL,
remove=True,
entrypoint="",
name=docker_name,
detach=True,
command=["sleep", "15"],
)
time.sleep(5)
DOCKER_CLIENT.copy_from_container(
docker_name,
local_path=dirs.static_libs,
container_path="/home/stepfunctionslocal/")
path = Path(f"{dirs.static_libs}/stepfunctionslocal/")
for file in path.glob("*.jar"):
file.rename(Path(INSTALL_DIR_STEPFUNCTIONS) / file.name)
rm_rf("%s/stepfunctionslocal" % dirs.static_libs)
# apply patches
for patch_class, patch_url in (
(SFN_PATCH_CLASS1, SFN_PATCH_CLASS_URL1),
(SFN_PATCH_CLASS2, SFN_PATCH_CLASS_URL2),
):
patch_class_file = os.path.join(INSTALL_DIR_STEPFUNCTIONS, patch_class)
if not os.path.exists(patch_class_file):
download(patch_url, patch_class_file)
cmd = 'cd "%s"; zip %s %s' % (
INSTALL_DIR_STEPFUNCTIONS,
INSTALL_PATH_STEPFUNCTIONS_JAR,
patch_class,
)
run(cmd)
def install_stepfunctions_local():
if not os.path.exists(INSTALL_PATH_STEPFUNCTIONS_JAR):
# pull the JAR file from the Docker image, which is more up-to-date than the downloadable JAR file
if not DOCKER_CLIENT.has_docker():
# TODO: works only when a docker socket is available -> add a fallback if running without Docker?
LOG.warning(
"Docker not available - skipping installation of StepFunctions dependency"
)
return
log_install_msg("Step Functions")
mkdir(INSTALL_DIR_STEPFUNCTIONS)
DOCKER_CLIENT.pull_image(IMAGE_NAME_SFN_LOCAL)
docker_name = "tmp-ls-sfn"
DOCKER_CLIENT.run_container(
IMAGE_NAME_SFN_LOCAL,
remove=True,
entrypoint="",
name=docker_name,
detach=True,
command=["sleep", "15"],
)
time.sleep(5)
DOCKER_CLIENT.copy_from_container(
docker_name,
local_path=dirs.static_libs,
container_path="/home/stepfunctionslocal/")
path = Path(f"{dirs.static_libs}/stepfunctionslocal/")
for file in path.glob("*.jar"):
file.rename(Path(INSTALL_DIR_STEPFUNCTIONS) / file.name)
rm_rf(str(path))
classes = [
SFN_PATCH_CLASS1,
SFN_PATCH_CLASS2,
SFN_PATCH_CLASS_REGION,
SFN_PATCH_CLASS_STARTER,
SFN_PATCH_CLASS_ASYNC2SERVICEAPI,
SFN_PATCH_CLASS_DESCRIBEEXECUTIONPARSED,
SFN_PATCH_FILE_METAINF,
]
for patch_class in classes:
patch_url = f"{SFN_PATCH_URL_PREFIX}/{patch_class}"
add_file_to_jar(patch_class,
patch_url,
target_jar=INSTALL_PATH_STEPFUNCTIONS_JAR)
# special case for Manifest file - extract first, replace content, then update in JAR file
manifest_file = os.path.join(INSTALL_DIR_STEPFUNCTIONS, "META-INF",
"MANIFEST.MF")
if not os.path.exists(manifest_file):
content = run([
"unzip", "-p", INSTALL_PATH_STEPFUNCTIONS_JAR,
"META-INF/MANIFEST.MF"
])
content = re.sub("Main-Class: .+",
"Main-Class: cloud.localstack.StepFunctionsStarter",
content)
classpath = " ".join([os.path.basename(jar) for jar in JAR_URLS])
content = re.sub(r"Class-Path: \. ", f"Class-Path: {classpath} . ",
content)
save_file(manifest_file, content)
run(
["zip", INSTALL_PATH_STEPFUNCTIONS_JAR, "META-INF/MANIFEST.MF"],
cwd=INSTALL_DIR_STEPFUNCTIONS,
)
# download additional jar libs
for jar_url in JAR_URLS:
target = os.path.join(INSTALL_DIR_STEPFUNCTIONS,
os.path.basename(jar_url))
if not file_exists_not_empty(target):
download(jar_url, target)
# download aws-sdk lambda handler
target = os.path.join(INSTALL_DIR_STEPFUNCTIONS,
"localstack-internal-awssdk", "awssdk.zip")
if not file_exists_not_empty(target):
download(SFN_AWS_SDK_LAMBDA_ZIP_FILE, target)