Added build status analysis. Now logging build status even if build is successful, to make analysis easier (as mentionned in #26). Added a new error type.
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README.md
13
README.md
@ -37,7 +37,7 @@ Where:
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- `<config_file>` is the configuration file of the artifact in JSON format. An example is given in `artifacts_json/test.json`. WARNING: The name of the file (without the extension) must comply with the Docker image naming convention: only characters allowed are lowercase letters and numbers, separated with either one "." maximum, or two "_" maximum, or an unlimited number of "-", and should be of 128 characters maximum.
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- `<pkglist_path>` is the path to the file where the package list generated by the program should be written.
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- `<log_file>` is the path to the file where to log the output of the program.
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- `<build_status_file>` is the path to the file where to write the build summary of the Docker image given in the configuration file.
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- `<build_status_file>` is the path to the file where to write the build status of the Docker image given in the configuration file.
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- `<artifact_hash_log>` is the path to the file where to log the hash of the downloaded artifact.
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- `<cache_directory>` is the path to the cache directory, where downloaded artifacts will be stored for future usage. If not specified, cache is disabled.
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@ -58,16 +58,19 @@ Just a plain text file containing the output of the script.
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### Build status file
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The log of the failed attempts to build the Docker image, in the form of a CSV file, with the following columns in order:
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The log of the attempts to build the Docker image, in the form of a CSV file, with the following columns in order:
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| Config file path | Timestamp | Reason category |
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| Config file path | Timestamp | Result |
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|------------------|-----------|-----------------|
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The timestamp corresponds to when the error is being logged, not to when it happened.
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The timestamp corresponds to when the result is being logged, not to when it happened.
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The following are the categories of reasons explaining why the building failed:
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The following are the possible results of the build:
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- `success`: The Docker image has been built successfully.
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- `package_unavailable`: A command requested the installation of a package that is not available.
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- `baseimage_unavailable`: The base image needed for this container is not available.
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- `artifact_unavailable`: The artifact could not be downloaded.
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- `dockerfile_not_found`: No Dockerfile has been found in the location specified in the configuration file.
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- `unknown_error`: Any other error.
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### Artifact hash log
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@ -25,6 +25,7 @@ def softenv_analysis(input_tables):
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Output table of the analysis in the form of a dict with headers as keys.
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"""
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pkgmgr = {}
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i = 0
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for table in input_tables:
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for row in table:
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# Third column is the package source:
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@ -107,7 +108,8 @@ def artifact_analysis(input_tables):
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def buildstatus_analysis(input_tables):
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"""
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Analyzes the given build status tables.
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Analyzes the given build status tables to count the results of the building
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of the Dockerfile for each category.
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Parameters
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----------
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@ -119,7 +121,23 @@ def buildstatus_analysis(input_tables):
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dict
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Output table of the analysis in the form of a dict with headers as keys.
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"""
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return {}
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buildstatus = {}
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for table in input_tables:
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# # There has never been any error:
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# if table == [[]]:
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# if "never_failed" not in buildstatus:
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# buildstatus["never_failed"] = 1
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# else:
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# buildstatus["never_failed"] += 1
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# # There has been an error at least once:
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# else:
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for row in table:
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# Third column is the result:
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if row[2] not in buildstatus:
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buildstatus[row[2]] = 1
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else:
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buildstatus[row[2]] += 1
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return buildstatus
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def main():
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# Command line arguments parsing:
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77
ecg.py
77
ecg.py
@ -138,16 +138,54 @@ def download_sources(config, arthashlog_path, dl_dir, use_cache):
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logging.info(f"Cache found for {url}, skipping download")
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return artifact_dir
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def buildstatus_saver(output, buildstatus_path, config_path):
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def builderror_identifier(output):
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"""
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Parses the given 'output' to indentify the errors, then saves them to the
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'build_status' file.
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Parses the given 'output' to indentify the error.
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Parameters
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----------
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output: str
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Output of Docker.
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Returns
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-------
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found_error: str
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The error that has been found in the output, according to the
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categories. If there is more than one, only the latest is taken into
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account.
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"""
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# Possible error messages given by 'docker build' and their category.
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# The key is the category, the value is a tuple of error messages belonging to
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# to this category:
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build_errors = {
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"package_unavailable":("Unable to locate package"),
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"baseimage_unavailable":("manifest unknown: manifest unknown"),
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"dockerfile_not_found":("Dockerfile: no such file or directory")
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}
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found_error = ""
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unknown_error = True
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for error_cat, error in build_errors.items():
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if error in output:
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unknown_error = False
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found_error = error_cat
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if unknown_error:
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found_error = "unknown_error"
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return found_error
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def buildresult_saver(result, buildstatus_path, config_path):
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"""
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Saves the given result in the 'build_status' file.
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Parameters
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----------
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result: str
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The result of the build. Either a Docker 'build' error
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(see 'builderror_identifier'), another type of error
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(for instance 'artifact_unavailable'), or 'success'
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if build is successful.
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buildstatus_path: str
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Path to the build status file.
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@ -158,32 +196,15 @@ def buildstatus_saver(output, buildstatus_path, config_path):
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-------
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None
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"""
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# Possible error messages given by 'docker build' and their category.
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# The key is the category, the value is a tuple of error messages belonging to
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# to this category:
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build_errors = {
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"package_unavailable":("Unable to locate package"),
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"baseimage_unavailable":("manifest unknown: manifest unknown"),
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"artifact_unavailable":("artifact_unavailable")
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}
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file_exists = os.path.exists(buildstatus_path)
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buildstatus_file = open(buildstatus_path, "a")
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artifact_name = os.path.basename(config_path).split(".")[0]
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# # Writing header in case file didn't exist:
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# if not file_exists:
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# buildstatus_file.write("yaml_path,timestamp,error")
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unknown_error = True
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for error_cat, error in build_errors.items():
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if error in output:
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unknown_error = False
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now = datetime.datetime.now()
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timestamp = str(datetime.datetime.timestamp(now))
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buildstatus_file.write(f"{artifact_name},{timestamp},{error_cat}\n")
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if unknown_error:
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now = datetime.datetime.now()
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timestamp = str(datetime.datetime.timestamp(now))
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buildstatus_file.write(f"{artifact_name},{timestamp},unknown_error\n")
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now = datetime.datetime.now()
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timestamp = str(datetime.datetime.timestamp(now))
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buildstatus_file.write(f"{artifact_name},{timestamp},{result}\n")
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buildstatus_file.close()
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def build_image(config, src_dir, image_name, docker_cache = False):
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@ -427,23 +448,25 @@ def main():
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use_cache = True
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dl_dir = cache_dir
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artifact_dir = download_sources(config, arthashlog_path, dl_dir, use_cache)
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status = ""
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# If download was successful:
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if artifact_dir != "":
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artifact_name = os.path.splitext(os.path.basename(config_path))[0]
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return_code, build_output = build_image(config, artifact_dir, artifact_name, args.docker_cache)
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status = ""
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if return_code == 0:
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status = "success"
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check_env(config, artifact_dir, artifact_name, pkglist_path)
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remove_image(config, artifact_name)
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# Creates file if not already:
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pathlib.Path(buildstatus_path).touch()
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else:
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status = builderror_identifier(build_output)
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# Creates file if not already:
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pathlib.Path(pkglist_path).touch()
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buildstatus_saver(build_output, buildstatus_path, config_path)
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# If download failed, we need to save the error to the build status log:
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else:
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logging.fatal("Artifact could not be downloaded!")
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buildstatus_saver("artifact_unavailable", buildstatus_path, config_path)
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status = "artifact_unavailable"
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buildresult_saver(status, buildstatus_path, config_path)
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if __name__ == "__main__":
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main()
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@ -77,4 +77,5 @@ rule update_blacklist:
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output:
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f"{BLACKLIST_FOLDER}/{{date}}.csv"
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shell:
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f"cat {{input}} > {{output}} && rm -rf {BLACKLIST} && ln -s {{output}} {BLACKLIST}"
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# We need to ignore lines where build is successful:
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f"cat {{input}} | grep -v ',success' > {{output}} && rm -rf {BLACKLIST} && ln -s {{output}} {BLACKLIST}"
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