Add ecosystem specific inclusions or exclusions

Also ignore specific files paths containing metadata in ruby
gems.

Reference: #1438
Reference: #1476
Signed-off-by: Ayan Sinha Mahapatra <[email protected]>

Author: AyanSinhaMahapatra

scanpipe/config.py

@@ -0,0 +1,115 @@
+# SPDX-License-Identifier: Apache-2.0
+#
+# http://nexb.com and https://github.com/aboutcode-org/scancode.io
+# The ScanCode.io software is licensed under the Apache License version 2.0.
+# Data generated with ScanCode.io is provided as-is without warranties.
+# ScanCode is a trademark of nexB Inc.
+#
+# You may not use this software except in compliance with the License.
+# You may obtain a copy of the License at: http://apache.org/licenses/LICENSE-2.0
+# Unless required by applicable law or agreed to in writing, software distributed
+# under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+# CONDITIONS OF ANY KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations under the License.
+#
+# Data Generated with ScanCode.io is provided on an "AS IS" BASIS, WITHOUT WARRANTIES
+# OR CONDITIONS OF ANY KIND, either express or implied. No content created from
+# ScanCode.io should be considered or used as legal advice. Consult an Attorney
+# for any legal advice.
+#
+# ScanCode.io is a free software code scanning tool from nexB Inc. and others.
+# Visit https://github.com/aboutcode-org/scancode.io for support and download.
+
+
+class EcosystemConfig:
+    """
+    Base class for ecosystem specific configurations to be defined
+    for each ecosystems.
+    """
+
+    # This should be defined for each ecosystem which
+    # are options in the pipelines
+    ecosystem_option = None
+
+    # These are extensions for packages of this ecosystem which
+    # needs to be matched from purldb
+    purldb_package_extensions = []
+
+    # These are extensions for resources of this ecosystem which
+    # needs to be macthed from purldb
+    purldb_resource_extensions = []
+
+    # Extensions for document files which do not require review
+    doc_extensions = []
+
+    # Paths in the deployed binaries/archives (on the to/ side) which
+    # do not need review even if they are not matched to the source side
+    deployed_resource_path_exclusions = []
+
+    # Paths in the developement/source archive (on the from/ side) which
+    # should not be considered even if unmapped to the deployed side when
+    # assesing what to review on the deployed side
+    devel_resource_path_exclusions = []
+
+    # Symbols which are found in ecosystem specific standard libraries
+    # which are not so useful in mapping
+    standard_symbols_to_exclude = []
+
+
+class DefaultEcosystemConfig(EcosystemConfig):
+    """Configurations which are common across multiple ecosystems."""
+
+    ecosystem_option = "Default"
+    purldb_package_extensions = [".zip", ".tar.gz", ".tar.xz"]
+    devel_resource_path_exclusions = ["*/tests/*"]
+    doc_extensions = [
+        ".pdf",
+        ".doc",
+        ".docx",
+        ".ppt",
+        ".pptx",
+        ".tex",
+        ".odt",
+        ".odp",
+    ]
+
+
+class JavaEcosystemConfig(EcosystemConfig):
+    ecosystem_option = "Java"
+    purldb_package_extensions = [".jar", ".war"]
+    purldb_resource_extensions = [".class"]
+
+
+class JavaScriptEcosystemConfig(EcosystemConfig):
+    ecosystem_option = "JavaScript"
+    purldb_resource_extensions = [
+        ".map",
+        ".js",
+        ".mjs",
+        ".ts",
+        ".d.ts",
+        ".jsx",
+        ".tsx",
+        ".css",
+        ".scss",
+        ".less",
+        ".sass",
+        ".soy",
+    ]
+
+
+class GoEcosystemConfig(EcosystemConfig):
+    ecosystem_option = "Go"
+    purldb_resource_extensions = [".go"]
+
+
+class RustEcosystemConfig(EcosystemConfig):
+    ecosystem_option = "Rust"
+    purldb_resource_extensions = [".rs"]
+
+
+class RubyEcosystemConfig(EcosystemConfig):
+    ecosystem_option = "Ruby"
+    purldb_package_extensions = [".gem"]
+    purldb_resource_extensions = [".rb"]
+    deployed_resource_path_exclusions = ["*checksums.yaml.gz*", "*metadata.gz*"]

scanpipe/pipelines/__init__.py

@@ -78,7 +78,10 @@ def flag_ignored_resources(self):
             ignored_patterns = ignored_patterns.splitlines()
         ignored_patterns.extend(flag.DEFAULT_IGNORED_PATTERNS)
 
-        flag.flag_ignored_patterns(self.project, patterns=ignored_patterns)
+        flag.flag_ignored_patterns(
+            codebaseresources=self.project.codebaseresources.no_status(),
+            patterns=ignored_patterns,
+        )
 
     def extract_archive(self, location, target):
         """Extract archive at `location` to `target`. Save errors as messages."""

scanpipe/pipelines/deploy_to_develop.py

@@ -22,6 +22,7 @@
 
 from aboutcode.pipeline import optional_step
 from scanpipe import pipes
+from scanpipe.config import DefaultEcosystemConfig
 from scanpipe.pipelines import Pipeline
 from scanpipe.pipes import d2d
 from scanpipe.pipes import flag
@@ -31,7 +32,7 @@
 from scanpipe.pipes import scancode
 
 
-class DeployToDevelop(Pipeline):
+class DeployToDevelop(Pipeline, DefaultEcosystemConfig):
     """
     Establish relationships between two code trees: deployment and development.
 
@@ -91,33 +92,6 @@ def steps(cls):
             cls.create_local_files_packages,
         )
 
-    purldb_package_extensions = [".jar", ".war", ".zip"]
-    purldb_resource_extensions = [
-        ".map",
-        ".js",
-        ".mjs",
-        ".ts",
-        ".d.ts",
-        ".jsx",
-        ".tsx",
-        ".css",
-        ".scss",
-        ".less",
-        ".sass",
-        ".soy",
-        ".class",
-    ]
-    doc_extensions = [
-        ".pdf",
-        ".doc",
-        ".docx",
-        ".ppt",
-        ".pptx",
-        ".tex",
-        ".odt",
-        ".odp",
-    ]
-
     def get_inputs(self):
         """Locate the ``from`` and ``to`` input files."""
         self.from_files, self.to_files = d2d.get_inputs(self.project)
@@ -152,6 +126,15 @@ def flag_whitespace_files(self):
         """Flag whitespace files with size less than or equal to 100 byte as ignored."""
         d2d.flag_whitespace_files(project=self.project)
 
+    def load_ecosystem_config(self):
+        """Load ecosystem specific configurations for d2d steps for selected options."""
+        d2d.load_ecosystem_config(pipeline=self, options=self.selected_groups)
+
+    @optional_step("Ruby")
+    def load_ecosystem_config_ruby(self):
+        """Load Ruby specific configurations for d2d steps."""
+        pass
+
     def map_about_files(self):
         """Map ``from/`` .ABOUT files to their related ``to/`` resources."""
         d2d.map_about_files(project=self.project, logger=self.log)
@@ -268,6 +251,7 @@ def flag_mapped_resources_archives_and_ignored_directories(self):
     def perform_house_keeping_tasks(self):
         """
         On deployed side
+            - Ignore specific files based on ecosystem based configurations.
             - PurlDB match files with ``no-java-source`` and empty status,
                 if no match is found update status to ``requires-review``.
             - Update status for uninteresting files.
@@ -278,6 +262,11 @@ def perform_house_keeping_tasks(self):
         """
         d2d.match_resources_with_no_java_source(project=self.project, logger=self.log)
         d2d.handle_dangling_deployed_legal_files(project=self.project, logger=self.log)
+        d2d.ignore_unmapped_resources_from_config(
+            project=self.project,
+            patterns_to_ignore=self.deployed_resource_path_exclusions,
+            logger=self.log,
+        )
         d2d.match_unmapped_resources(
             project=self.project,
             matched_extensions=self.purldb_resource_extensions,

scanpipe/pipes/d2d.py

@@ -47,6 +47,7 @@
 from summarycode.classify import LEGAL_STARTS_ENDS
 
 from aboutcode.pipeline import LoopProgress
+from scanpipe import config
 from scanpipe import pipes
 from scanpipe.models import CodebaseRelation
 from scanpipe.models import CodebaseResource
@@ -66,6 +67,16 @@
 TO = "to/"
 
 
+ECOSYSTEM_CONFIGS = [
+    config.DefaultEcosystemConfig,
+    config.JavaEcosystemConfig,
+    config.JavaScriptEcosystemConfig,
+    config.RubyEcosystemConfig,
+    config.RustEcosystemConfig,
+    config.GoEcosystemConfig,
+]
+
+
 def get_inputs(project):
     """
     Locate the ``from`` and ``to`` input files in project inputs/ directory.
@@ -114,6 +125,51 @@ def get_best_path_matches(to_resource, matches):
     return matches
 
 
+def load_ecosystem_config(pipeline, options):
+    """
+    Add ecosystem specific configurations for each ecosystem selected
+    as `options` to the `pipeline`.
+    """
+    configs_by_ecosystem = {
+        ecosystem.ecosystem_option: ecosystem for ecosystem in ECOSYSTEM_CONFIGS
+    }
+
+    # Add default configurations which are common accross ecosystems
+    add_ecosystem_config(
+        pipeline=pipeline,
+        configs_by_ecosystem=configs_by_ecosystem,
+        selected_option="Default",
+    )
+
+    # Add configurations for each selected ecosystem
+    for selected_option in options:
+        if selected_option not in configs_by_ecosystem:
+            continue
+
+        add_ecosystem_config(
+            pipeline=pipeline,
+            configs_by_ecosystem=configs_by_ecosystem,
+            selected_option=selected_option,
+        )
+
+
+def add_ecosystem_config(pipeline, configs_by_ecosystem, selected_option):
+    d2d_pipeline_configs = [
+        "purldb_package_extensions",
+        "purldb_resource_extensions",
+        "deployed_resource_path_exclusions",
+    ]
+
+    ecosystem_config = configs_by_ecosystem.get(selected_option)
+
+    for pipeline_config in d2d_pipeline_configs:
+        config_value = getattr(ecosystem_config, pipeline_config)
+        pipeline_config_value = getattr(pipeline, pipeline_config)
+        if config_value:
+            new_pipeline_config = pipeline_config_value.extend(config_value)
+            setattr(pipeline, pipeline_config, new_pipeline_config)
+
+
 def get_from_files_for_scanning(resources):
     """
     Return resources in the "from/" side which has been mapped to the "to/"
@@ -1453,6 +1509,20 @@ def match_resources_with_no_java_source(project, logger=None):
         )
 
 
+def ignore_unmapped_resources_from_config(project, patterns_to_ignore, logger=None):
+    """Ignore unmapped resources for a project using `patterns_to_ignore`."""
+    ignored_resources_count = flag.flag_ignored_patterns(
+        codebaseresources=project.codebaseresources.to_codebase().no_status(),
+        patterns=patterns_to_ignore,
+        status=flag.IGNORED_FROM_CONFIG,
+    )
+    if logger:
+        logger(
+            f"Ignoring {ignored_resources_count:,d} to/ resources with "
+            "from ecosystem specific configurations."
+        )
+
+
 def match_unmapped_resources(project, matched_extensions=None, logger=None):
     """
     Match resources with empty status to PurlDB, if unmatched

scanpipe/pipes/flag.py

@@ -43,6 +43,7 @@
 IGNORED_DEFAULT_IGNORES = "ignored-default-ignores"
 IGNORED_DATA_FILE_NO_CLUES = "ignored-data-file-no-clues"
 IGNORED_DOC_FILE = "ignored-doc-file"
+IGNORED_FROM_CONFIG = "ignored-from-config"
 
 COMPLIANCE_LICENSES = "compliance-licenses"
 COMPLIANCE_SOURCEMIRROR = "compliance-sourcemirror"
@@ -89,15 +90,15 @@ def flag_ignored_directories(project):
     return qs.update(status=IGNORED_DIRECTORY)
 
 
-def flag_ignored_patterns(project, patterns):
+def flag_ignored_patterns(codebaseresources, patterns, status=IGNORED_PATTERN):
     """Flag codebase resource as ``ignored`` status from list of ``patterns``."""
     if isinstance(patterns, str):
         patterns = patterns.splitlines()
 
     update_count = 0
     for pattern in patterns:
-        qs = project.codebaseresources.no_status().path_pattern(pattern)
-        update_count += qs.update(status=IGNORED_PATTERN)
+        qs = codebaseresources.path_pattern(pattern)
+        update_count += qs.update(status=status)
 
     return update_count
 

scanpipe/tests/pipes/test_flag.py

@@ -70,7 +70,9 @@ def test_scanpipe_pipes_flag_flag_ignored_directories(self):
 
     def test_scanpipe_pipes_flag_flag_ignored_patterns(self):
         patterns = ["*.ext", "dir/*"]
-        updated = flag.flag_ignored_patterns(self.project1, patterns)
+        updated = flag.flag_ignored_patterns(
+            self.project1.codebaseresources.no_status(), patterns
+        )
 
         self.assertEqual(3, updated)
         self.resource1.refresh_from_db()
@@ -85,7 +87,8 @@ def test_scanpipe_pipes_flag_flag_ignored_patterns(self):
         make_resource_file(self.project1, "path/deeper/policies.yml")
         make_resource_file(self.project1, "path/other-policies.yml")
         updated = flag.flag_ignored_patterns(
-            self.project1, flag.DEFAULT_IGNORED_PATTERNS
+            self.project1.codebaseresources.no_status(),
+            flag.DEFAULT_IGNORED_PATTERNS,
         )
         self.assertEqual(3, updated)
 

scanpipe/tests/test_pipelines.py

@@ -423,7 +423,10 @@ def test_scanpipe_pipeline_class_flag_ignored_resources(self):
             mock_flag.return_value = None
             pipeline.flag_ignored_resources()
         patterns_args = ["*.ext", *flag.DEFAULT_IGNORED_PATTERNS]
-        mock_flag.assert_called_with(project1, patterns=patterns_args)
+        mock_flag.assert_called_with(
+            codebaseresources=project1.codebaseresources.no_status(),
+            patterns=patterns_args,
+        )
 
     def test_scanpipe_pipeline_class_extract_archive(self):
         project1 = Project.objects.create(name="Analysis")