Added additional galaxy[tags] checks

examples/galaxy_tags/galaxy_count_tags/galaxy.yml

@@ -0,0 +1,33 @@
+---
+namespace: bar
+name: foo
+version: "1.0.0" # <-- that version is not valid, should be 1.0.0 or greater
+authors:
+  - John
+readme: ../README.md
+description: "..."
+license:
+  - Apache-2.0
+repository: https://github.com/ansible-collections/community.REPO_NAME
+tags:
+  - application
+  - tag2
+  - tag3
+  - tag4
+  - tag5
+  - tag6
+  - tag7
+  - tag8
+  - tag9
+  - tag10
+  - tag11
+  - tag12
+  - tag13
+  - tag14
+  - tag15
+  - tag16
+  - tag17
+  - tag18
+  - tag19
+  - tag20
+  - tag21

examples/galaxy_tags/galaxy_invalid_format_tags/galaxy.yml

@@ -0,0 +1,14 @@
+---
+namespace: bar
+name: foo
+version: "1.0.0"
+authors:
+  - John
+readme: ../README.md
+description: "..."
+license:
+  - Apache-2.0
+repository: https://github.com/ansible-collections/community.REPO_NAME
+tags:
+  - application
+  - invalid-tag-format

examples/galaxy_tags/galaxy_invalid_length_tags/changelogs/changelog.yaml

@@ -0,0 +1,2 @@
+---
+releases: {}

examples/galaxy_tags/galaxy_invalid_length_tags/galaxy.yml

@@ -0,0 +1,15 @@
+---
+namespace: bar
+name: foo
+version: "1.0.0"
+authors:
+  - John
+readme: ../README.md
+description: "..."
+license:
+  - Apache-2.0
+repository: https://github.com/ansible-collections/community.REPO_NAME
+tags:
+  - application
+  - this_is_an_utterly_ridiculous_and_insanely_long_tag_length_eye_roll
+  - also_a_ridiculously_long_tag_but_within_the_limits

examples/galaxy_tags/galaxy_no_required_tags/changelogs/changelog.yaml

@@ -0,0 +1,2 @@
+---
+releases: {}

examples/galaxy_no_required_tags/fail/galaxy.yml → examples/galaxy_tags/galaxy_no_required_tags/galaxy.yml

@@ -9,3 +9,4 @@ description: "..."
 license:
   - Apache-2.0
 repository: https://github.com/ansible-collections/community.REPO_NAME
+tags: [no_required_tag_here]

examples/galaxy_tags/pass/changelogs/changelog.yaml

@@ -0,0 +1,2 @@
+---
+releases: {}

src/ansiblelint/constants.py

@@ -1,9 +1,13 @@
 """Constants used by AnsibleLint."""
 
+import re
 from enum import Enum
 from pathlib import Path
 from typing import Literal
 
+TAG_NAME_REGEXP = re.compile(r"^(?!.*__)[a-z]+[0-9a-z_]*$")
+MAX_TAGS_COUNT = 20
+MAX_LENGTH_TAG = 64
 DEFAULT_RULESDIR = Path(__file__).parent / "rules"
 CUSTOM_RULESDIR_ENVVAR = "ANSIBLE_LINT_CUSTOM_RULESDIR"
 RULE_DOC_URL = "https://ansible.readthedocs.io/projects/lint/rules/"

src/ansiblelint/rules/galaxy.md

@@ -26,6 +26,11 @@ This rule can produce messages such:
 - `galaxy[tags]` - `galaxy.yaml` must have one of the required tags:
   `application`, `cloud`, `database`, `infrastructure`, `linux`, `monitoring`,
   `networking`, `security`, `storage`, `tools`, `windows`.
+- `galaxy[tags-format]` - `galaxy.yal` tags must be formatted correctly
+  matching regex.
+- `galaxy[tags-length]` - `galaxy.yml` tags character count cannot exceed 64
+  characters in length
+- `galaxy[tags-count]` - `galaxy.yml` tag count cannot exceed 20
 - `galaxy[invalid-dependency-version]` = Invalid collection metadata. Dependency
   version spec range is invalid
 

src/ansiblelint/rules/galaxy.py

@@ -5,7 +5,13 @@
 import sys
 from typing import TYPE_CHECKING, Any
 
-from ansiblelint.constants import FILENAME_KEY, LINE_NUMBER_KEY
+from ansiblelint.constants import (
+    FILENAME_KEY,
+    LINE_NUMBER_KEY,
+    MAX_LENGTH_TAG,
+    MAX_TAGS_COUNT,
+    TAG_NAME_REGEXP,
+)
 from ansiblelint.rules import AnsibleLintRule
 
 if TYPE_CHECKING:
@@ -23,6 +29,9 @@ class GalaxyRule(AnsibleLintRule):
     version_added = "v6.11.0 (last update)"
     _ids = {
         "galaxy[tags]": "galaxy.yaml must have one of the required tags",
+        "galaxy[tags-format]": "galaxy.yaml one or more tags are not formatted properly.",
+        "galaxy[tags-length]": "galaxy.yaml one or more tags exceed character length.",
+        "galaxy[tags-count]": "galaxy.yaml has too many tags.",
         "galaxy[no-changelog]": "No changelog found. Please add a changelog file. Refer to the galaxy.md file for more info.",
         "galaxy[version-missing]": "galaxy.yaml should have version tag.",
         "galaxy[no-runtime]": "meta/runtime.yml file not found.",
@@ -65,6 +74,13 @@ def matchplay(self, file: Lintable, data: dict[str, Any]) -> list[MatchError]:
             if path.is_file():
                 changelog_found = 1
         galaxy_tag_list = data.get("tags")
+        galaxy_tag_invalid_format = [
+            tag for tag in galaxy_tag_list if not TAG_NAME_REGEXP.match(tag)
+        ]
+        galaxy_tag_invalid_length = [
+            tag for tag in galaxy_tag_list if len(tag) > MAX_LENGTH_TAG
+        ]
+
         collection_deps = data.get("dependencies")
         if collection_deps:
             for dep, ver in collection_deps.items():
@@ -105,6 +121,42 @@ def matchplay(self, file: Lintable, data: dict[str, Any]) -> list[MatchError]:
                 ),
             )
 
+        # Checking if galaxy.yml tags are formatted correctly
+        if galaxy_tag_invalid_format:
+            results.append(
+                self.create_matcherror(
+                    message=(
+                        f"galaxy.yaml must have properly formatted tags. Invalid tags: {','.join(galaxy_tag_invalid_format)}"
+                    ),
+                    tag="galaxy[tags-format]",
+                    filename=file,
+                ),
+            )
+
+        # Checking if galaxy.yml tags length are within limits
+        if galaxy_tag_invalid_length:
+            results.append(
+                self.create_matcherror(
+                    message=(
+                        f"galaxy.yaml tags must not exceed {MAX_LENGTH_TAG} characters. Invalid tags: {','.join(galaxy_tag_invalid_length)}"
+                    ),
+                    tag="galaxy[tags-length]",
+                    filename=file,
+                ),
+            )
+
+        # Checking if galaxy.yml tags does not exceed the max number
+        if len(galaxy_tag_list) > MAX_TAGS_COUNT:
+            results.append(
+                self.create_matcherror(
+                    message=(
+                        f"galaxy.yaml exceeds {MAX_TAGS_COUNT} tags. Current count: {len(galaxy_tag_list)}"
+                    ),
+                    tag="galaxy[tags-count]",
+                    filename=file,
+                ),
+            )
+
         if "version" not in data:
             results.append(
                 self.create_matcherror(
@@ -149,12 +201,27 @@ def test_galaxy_no_collection_version() -> None:
         ("file", "expected"),
         (
             pytest.param(
-                "examples/galaxy_no_required_tags/fail/galaxy.yml",
+                "examples/galaxy_tags/galaxy_invalid_format_tags/galaxy.yml",
+                ["galaxy[tags-format]"],
+                id="tags-format",
+            ),
+            pytest.param(
+                "examples/galaxy_tags/galaxy_invalid_length_tags/galaxy.yml",
+                ["galaxy[tags-length]"],
+                id="tags-length",
+            ),
+            pytest.param(
+                "examples/galaxy_tags/galaxy_count_tags/galaxy.yml",
+                ["galaxy[tags-count]"],
+                id="tags-count",
+            ),
+            pytest.param(
+                "examples/galaxy_tags/galaxy_no_required_tags/galaxy.yml",
                 ["galaxy[tags]"],
                 id="tags",
             ),
             pytest.param(
-                "examples/galaxy_no_required_tags/pass/galaxy.yml",
+                "examples/galaxy_tags/pass/galaxy.yml",
                 [],
                 id="pass",
             ),

tox.ini

@@ -76,7 +76,7 @@ setenv =
   PRE_COMMIT_COLOR = always
   # Number of expected test passes, safety measure for accidental skip of
   # tests. Update value if you add/remove tests. (tox-extra)
-  PYTEST_REQPASS = 895
+  PYTEST_REQPASS = 898
   FORCE_COLOR = 1
   pre: PIP_PRE = 1
 allowlist_externals =