ci: lint yaml files that use dependencies: [] together with needs

.gitlab/ci/build.yml

@@ -172,6 +172,7 @@ build_clang_test_apps_esp32c6:
   extends:
     - .build_template
     - .rules:build:check
+  dependencies: # set dependencies to null to avoid missing artifacts issue
   needs:
     - job: fast_template_app
       artifacts: false
@@ -272,6 +273,7 @@ build_template_app:
     - .build_template_app_template
     - .rules:build
   stage: host_test
+  dependencies: # set dependencies to null to avoid missing artifacts issue
   needs:
     - job: fast_template_app
       artifacts: false

.gitlab/ci/pre_check.yml

@@ -3,7 +3,7 @@
   image: $ESP_ENV_IMAGE
   tags:
     - host_test
-  dependencies: []
+  dependencies: # set dependencies to null to avoid missing artifacts issue
 
 check_pre_commit:
   extends:

tools/ci/generate_rules.py

@@ -1,8 +1,7 @@
 #!/usr/bin/env python
 #
-# SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD
+# SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
 # SPDX-License-Identifier: Apache-2.0
-
 import argparse
 import inspect
 import os
@@ -11,7 +10,8 @@ from collections import defaultdict
 from itertools import product
 
 import yaml
-from idf_ci_utils import IDF_PATH, GitlabYmlConfig
+from idf_ci_utils import GitlabYmlConfig
+from idf_ci_utils import IDF_PATH
 
 try:
     import pygraphviz as pgv
@@ -201,9 +201,13 @@ class RulesWriter:
     def new_rules_str(self):  # type: () -> str
         res = []
         for k, v in sorted(self.rules.items()):
-            if '.rules:' + k not in self.yml_config.used_rules:
+            if k.startswith('pattern'):
+                continue
+
+            if '.rules:' + k not in self.yml_config.used_templates:
                 print(f'WARNING: unused rule: {k}, skipping...')
                 continue
+
             res.append(self.RULES_TEMPLATE.format(k, self._format_rule(k, v)))
         return '\n\n'.join(res)
 

tools/ci/gitlab_yaml_linter.py

@@ -1,18 +1,17 @@
 #!/usr/bin/env python
-
+# SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
-# SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
 # SPDX-License-Identifier: Apache-2.0
-
 """
 Check gitlab ci yaml files
 """
-
 import argparse
 import os
 import typing as t
 from functools import cached_property
 
-from idf_ci_utils import IDF_PATH, GitlabYmlConfig, get_submodule_dirs
+from idf_ci_utils import get_submodule_dirs
+from idf_ci_utils import GitlabYmlConfig
+from idf_ci_utils import IDF_PATH
 
 
 class YmlLinter:
@@ -50,9 +49,10 @@ class YmlLinter:
             if (
                 k not in self.yml_config.global_keys
                 and k not in self.yml_config.anchors
+                and k not in self.yml_config.templates
                 and k not in self.yml_config.jobs
             ):
-                raise SystemExit(f'Parser incorrect. Key {k} not in global keys, rules or jobs')
+                raise SystemExit(f'Parser incorrect. Key {k} not in global keys, anchors, templates,  or jobs')
 
     def _lint_default_values_artifacts(self) -> None:
         defaults_artifacts = self.yml_config.default.get('artifacts', {})
@@ -79,13 +79,30 @@ class YmlLinter:
                 for item in undefined_patterns:
                     self._errors.append(f'undefined pattern {item}. Please add {item} to .patterns-submodule')
 
-    def _lint_gitlab_yml_rules(self) -> None:
+    def _lint_gitlab_yml_templates(self) -> None:
-        unused_rules = self.yml_config.rules - self.yml_config.used_rules
+        unused_templates = self.yml_config.templates.keys() - self.yml_config.used_templates
-        for item in unused_rules:
+        for item in unused_templates:
-            self._errors.append(f'Unused rule: {item}, please remove it')
+            # known unused ones
-        undefined_rules = self.yml_config.used_rules - self.yml_config.rules
+            if item not in [
-        for item in undefined_rules:
+                '.before_script:fetch:target_test',  # used in dynamic pipeline
-            self._errors.append(f'Undefined rule: {item}')
+            ]:
+                self._errors.append(f'Unused template: {item}, please remove it')
+
+        undefined_templates = self.yml_config.used_templates - self.yml_config.templates.keys()
+        for item in undefined_templates:
+            self._errors.append(f'Undefined template: {item}')
+
+    def _lint_dependencies_and_needs(self) -> None:
+        """
+        Use `dependencies: []` together with `needs: []` could cause missing artifacts issue.
+        """
+        for job_name, d in self.yml_config.jobs.items():
+            if 'dependencies' in d and 'needs' in d:
+                if d['dependencies'] is not None and d['needs']:
+                    self._errors.append(
+                        f'job {job_name} has both `dependencies` and `needs` defined. '
+                        f'Please set `dependencies:` (to null) explicitly to avoid missing artifacts issue'
+                    )
 
 
 if __name__ == '__main__':

tools/ci/idf_ci_utils.py

@@ -125,7 +125,9 @@ class GitlabYmlConfig:
 
         all_config = dict()
         root_yml = yaml.load(open(root_yml_filepath), Loader=yaml.FullLoader)
-        for item in root_yml['include']:
+
+        # expanding "include"
+        for item in root_yml.pop('include', []) or []:
             all_config.update(yaml.load(open(os.path.join(IDF_PATH, item)), Loader=yaml.FullLoader))
 
         if 'default' in all_config:
@@ -133,6 +135,16 @@ class GitlabYmlConfig:
 
         self._config = all_config
 
+        # anchor is the string that will be reused in templates
+        self._anchor_keys: t.Set[str] = set()
+        # template is a dict that will be extended
+        self._template_keys: t.Set[str] = set()
+        self._used_template_keys: t.Set[str] = set()  # tracing the used templates
+        # job is a dict that will be executed
+        self._job_keys: t.Set[str] = set()
+
+        self.expand_extends()
+
     @property
     def default(self) -> t.Dict[str, t.Any]:
         return self._defaults
@@ -147,33 +159,66 @@ class GitlabYmlConfig:
 
     @cached_property
     def anchors(self) -> t.Dict[str, t.Any]:
-        return {k: v for k, v in self.config.items() if k.startswith('.')}
+        return {k: v for k, v in self.config.items() if k in self._anchor_keys}
 
     @cached_property
     def jobs(self) -> t.Dict[str, t.Any]:
-        return {k: v for k, v in self.config.items() if not k.startswith('.') and k not in self.global_keys}
+        return {k: v for k, v in self.config.items() if k in self._job_keys}
 
     @cached_property
-    def rules(self) -> t.Set[str]:
+    def templates(self) -> t.Dict[str, t.Any]:
-        return {k for k, _ in self.anchors.items() if self._is_rule_key(k)}
+        return {k: v for k, v in self.config.items() if k in self._template_keys}
 
     @cached_property
-    def used_rules(self) -> t.Set[str]:
+    def used_templates(self) -> t.Set[str]:
-        res = set()
+        return self._used_template_keys
 
-        for v in self.config.values():
+    def expand_extends(self) -> None:
-            if not isinstance(v, dict):
+        """
+        expand the `extends` key in-place.
+        """
+        for k, v in self.config.items():
+            if k in self.global_keys:
                 continue
 
-            for item in to_list(v.get('extends')):
+            if isinstance(v, (str, list)):
-                if self._is_rule_key(item):
+                self._anchor_keys.add(k)
-                    res.add(item)
+            elif k.startswith('.if-'):
+                self._anchor_keys.add(k)
+            elif k.startswith('.'):
+                self._template_keys.add(k)
+            elif isinstance(v, dict):
+                self._job_keys.add(k)
+            else:
+                raise ValueError(f'Unknown type for key {k} with value {v}')
 
-        return res
+        # no need to expand anchor
 
-    @staticmethod
+        # expand template first
-    def _is_rule_key(key: str) -> bool:
+        for k in self._template_keys:
-        return key.startswith('.rules:') or key.endswith('template')
+            self._expand_extends(k)
+
+        # expand job
+        for k in self._job_keys:
+            self._expand_extends(k)
+
+    def _expand_extends(self, name: str) -> t.Dict[str, t.Any]:
+        extends = to_list(self.config[name].pop('extends', None))
+        original_d = self.config[name].copy()
+        if not extends:
+            return self.config[name]  # type: ignore
+
+        d = {}
+        while extends:
+            self._used_template_keys.update(extends)
+
+            for i in extends:
+                d.update(self._expand_extends(i))
+
+            extends = to_list(self.config[name].pop('extends', None))
+
+        self.config[name] = {**d, **original_d}
+        return self.config[name]  # type: ignore
 
 
 def get_all_manifest_files() -> t.List[str]: