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Cache build base verion #68

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merged 2 commits into from
Jun 25, 2024
Merged

Cache build base verion #68

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bcf6c6e
Cache build base verion
vmordan Jun 20, 2024
920be16
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vmordan Jun 20, 2024
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29 changes: 26 additions & 3 deletions scripts/runner.py
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Original file line number Diff line number Diff line change
Expand Up @@ -88,6 +88,7 @@
RESULT_FILE = "runner_result.log"
BIG_WAIT_INTERVAL = 100
SMALL_WAIT_INTERVAL = 10
CACHED_VERSION_FILE_NAME = ".cached_version"


class Runner(Component):
Expand Down Expand Up @@ -150,12 +151,33 @@ def __normalize_dir(dirname: str, fail_with_text="") -> str:
sys.exit(f"Name '{fail_with_text}' was not specified")
return ""

def __is_use_cache(self) -> bool:
if not (self.build_base_cached and os.path.exists(self.build_base_cached)):
return False
if os.path.exists(CACHED_VERSION_FILE_NAME):
# There is a cached file - then we need to check version.
with open(CACHED_VERSION_FILE_NAME, errors='ignore', encoding='ascii') as f_version:
last_version = f_version.read()
if last_version == self.version:
self.logger.info(f"Reusing build base from {self.build_base_cached}, version: {last_version}")
return True
self.logger.info(f"Cached build base is outdated. "
f"Previous version is {last_version}, current version is {self.version}")
return False
# No cached file - do not reuse.
self.logger.info("Cannot find last cached version")
return False

def __cache_build_base(self):
if self.build_base_cached:
with open(CACHED_VERSION_FILE_NAME, "w", encoding='ascii') as f_version:
f_version.write(self.version)

def builder(self) -> str:
"""
Create a build base for specific
Create a build base for specific kernel
"""
if self.build_base_cached:
self.logger.info(f"Reusing build base from {self.build_base_cached}")
if self.__is_use_cache():
return self.build_base_cached
self.logger.info("Preparing build base")
builder_script = os.path.join(self.klever_home_dir, BUILDER_SCRIPT)
Expand All @@ -168,6 +190,7 @@ def builder(self) -> str:
build_base_dir = os.path.join(self.builder_work_dir,
f"build-base-{kernel_dir_rel}-{self.arch}-{self.make_cmd}")
self.logger.info(f"Build base has been prepared in {build_base_dir}")
self.__cache_build_base()
return build_base_dir

def __update_job_config(self, build_base_dir: str):
Expand Down
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