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"""Output formatters."""
from __future__ import annotations
import hashlib
import json
import os
from pathlib import Path
from typing import TYPE_CHECKING, Any, Generic, TypeVar
import rich
from ansiblelint.config import options
from ansiblelint.version import __version__
if TYPE_CHECKING:
from ansiblelint.errors import MatchError
from ansiblelint.rules import BaseRule # type: ignore[attr-defined]
T = TypeVar("T", bound="BaseFormatter") # type: ignore[type-arg]
class BaseFormatter(Generic[T]):
"""Formatter of ansible-lint output.
Base class for output formatters.
Args:
----
base_dir (str|Path): reference directory against which display relative path.
display_relative_path (bool): whether to show path as relative or absolute
"""
def __init__(self, base_dir: str | Path, display_relative_path: bool) -> None:
"""Initialize a BaseFormatter instance."""
if isinstance(base_dir, str):
base_dir = Path(base_dir)
if base_dir: # can be None
base_dir = base_dir.absolute()
self.base_dir = base_dir if display_relative_path else None
def _format_path(self, path: str | Path) -> str | Path:
if not self.base_dir or not path:
return path
# Use os.path.relpath 'cause Path.relative_to() misbehaves
rel_path = os.path.relpath(path, start=self.base_dir)
# Avoid returning relative paths that go outside of base_dir
if rel_path.startswith(".."):
return path
return rel_path
def apply(self, match: MatchError) -> str:
"""Format a match error."""
return str(match)
@staticmethod
def escape(text: str) -> str:
"""Escapes a string to avoid processing it as markup."""
return rich.markup.escape(text)
class Formatter(BaseFormatter): # type: ignore[type-arg]
"""Default output formatter of ansible-lint."""
def apply(self, match: MatchError) -> str:
_id = getattr(match.rule, "id", "000")
result = f"[{match.level}][bold][link={match.rule.url}]{self.escape(match.tag)}[/link][/][/][dim]:[/] [{match.level}]{self.escape(match.message)}[/]"
if match.level != "error":
result += f" [dim][{match.level}]({match.level})[/][/]"
if match.ignored:
result += " [dim]# ignored[/]"
result += (
"\n"
f"[filename]{self._format_path(match.filename or '')}[/]:{match.position}"
)
if match.details:
result += f" [dim]{self.escape(str(match.details))}[/]"
result += "\n"
return result
class QuietFormatter(BaseFormatter[Any]):
"""Brief output formatter for ansible-lint."""
def apply(self, match: MatchError) -> str:
return (
f"[{match.level}]{match.rule.id}[/] "
f"[filename]{self._format_path(match.filename or '')}[/]:{match.position}"
)
class ParseableFormatter(BaseFormatter[Any]):
"""Parseable uses PEP8 compatible format."""
def apply(self, match: MatchError) -> str:
result = (
f"[filename]{self._format_path(match.filename or '')}[/][dim]:{match.position}:[/] "
f"[{match.level}][bold]{self.escape(match.tag)}[/bold]"
f"{ f': {match.message}' if not options.quiet else '' }[/]"
)
if match.level != "error":
result += f" [dim][{match.level}]({match.level})[/][/]"
return result
class AnnotationsFormatter(BaseFormatter): # type: ignore[type-arg]
# https://docs.github.com/en/actions/using-workflows/workflow-commands-for-github-actions#setting-a-warning-message
"""Formatter for emitting violations as GitHub Workflow Commands.
These commands trigger the GHA Workflow runners platform to post violations
in a form of GitHub Checks API annotations that appear rendered in pull-
request files view.
::debug file={name},line={line},col={col},severity={severity}::{message}
::warning file={name},line={line},col={col},severity={severity}::{message}
::error file={name},line={line},col={col},severity={severity}::{message}
Supported levels: debug, warning, error
"""
def apply(self, match: MatchError) -> str:
"""Prepare a match instance for reporting as a GitHub Actions annotation."""
file_path = self._format_path(match.filename or "")
line_num = match.lineno
severity = match.rule.severity
violation_details = self.escape(match.message)
col = f",col={match.column}" if match.column else ""
return (
f"::{match.level} file={file_path},line={line_num}{col},severity={severity},title={match.tag}"
f"::{violation_details}"
)
class CodeclimateJSONFormatter(BaseFormatter[Any]):
"""Formatter for emitting violations in Codeclimate JSON report format.
The formatter expects a list of MatchError objects and returns a JSON formatted string.
The spec for the codeclimate report can be found here:
https://github.com/codeclimate/platform/blob/master/spec/analyzers/SPEC.md#user-content-data-types
"""
def format_result(self, matches: list[MatchError]) -> str:
"""Format a list of match errors as a JSON string."""
if not isinstance(matches, list):
msg = f"The {self.__class__} was expecting a list of MatchError."
raise TypeError(msg)
result = []
for match in matches:
issue: dict[str, Any] = {}
issue["type"] = "issue"
issue["check_name"] = match.tag or match.rule.id # rule-id[subrule-id]
issue["categories"] = match.rule.tags
if match.rule.url:
# https://github.com/codeclimate/platform/issues/68
issue["url"] = match.rule.url
issue["severity"] = self._remap_severity(match)
issue["description"] = self.escape(str(match.message))
issue["fingerprint"] = hashlib.sha256(
repr(match).encode("utf-8"),
).hexdigest()
issue["location"] = {}
issue["location"]["path"] = self._format_path(match.filename or "")
if match.column:
issue["location"]["positions"] = {}
issue["location"]["positions"]["begin"] = {}
issue["location"]["positions"]["begin"]["line"] = match.lineno
issue["location"]["positions"]["begin"]["column"] = match.column
else:
issue["location"]["lines"] = {}
issue["location"]["lines"]["begin"] = match.lineno
if match.details:
issue["content"] = {}
issue["content"]["body"] = match.details
# Append issue to result list
result.append(issue)
# Keep it single line due to https://github.com/ansible/ansible-navigator/issues/1490
return json.dumps(result, sort_keys=False)
@staticmethod
def _remap_severity(match: MatchError) -> str:
# level is not part of CodeClimate specification, but there is
# no other way to expose that info. We recommend switching to
# SARIF format which is better suited for interoperability.
#
# Out current implementation will return `major` for all errors and
# `warning` for all warnings. We may revisit this in the future.
if match.level == "warning":
return "minor"
return "major"
class SarifFormatter(BaseFormatter[Any]):
"""Formatter for emitting violations in SARIF report format.
The spec of SARIF can be found here:
https://docs.oasis-open.org/sarif/sarif/v2.1.0/
"""
BASE_URI_ID = "SRCROOT"
TOOL_NAME = "ansible-lint"
TOOL_URL = "https://github.com/ansible/ansible-lint"
SARIF_SCHEMA_VERSION = "2.1.0"
SARIF_SCHEMA = (
"https://schemastore.azurewebsites.net/schemas/json/sarif-2.1.0-rtm.5.json"
)
def format_result(self, matches: list[MatchError]) -> str:
"""Format a list of match errors as a JSON string."""
if not isinstance(matches, list):
msg = f"The {self.__class__} was expecting a list of MatchError."
raise TypeError(msg)
root_path = Path(str(self.base_dir)).as_uri()
root_path = root_path + "/" if not root_path.endswith("/") else root_path
rules, results = self._extract_results(matches)
tool = {
"driver": {
"name": self.TOOL_NAME,
"version": __version__,
"informationUri": self.TOOL_URL,
"rules": rules,
},
}
runs = [
{
"tool": tool,
"columnKind": "utf16CodeUnits",
"results": results,
"originalUriBaseIds": {
self.BASE_URI_ID: {"uri": root_path},
},
},
]
report = {
"$schema": self.SARIF_SCHEMA,
"version": self.SARIF_SCHEMA_VERSION,
"runs": runs,
}
# Keep it single line due to https://github.com/ansible/ansible-navigator/issues/1490
return json.dumps(report, sort_keys=False)
def _extract_results(
self,
matches: list[MatchError],
) -> tuple[list[Any], list[Any]]:
rules = {}
results = []
for match in matches:
if match.tag not in rules:
rules[match.tag] = self._to_sarif_rule(match)
results.append(self._to_sarif_result(match))
return list(rules.values()), results
def _to_sarif_rule(self, match: MatchError) -> dict[str, Any]:
rule: dict[str, Any] = {
"id": match.tag,
"name": match.tag,
"shortDescription": {
"text": str(match.message),
},
"defaultConfiguration": {
"level": self.get_sarif_rule_severity_level(match.rule),
},
"help": {
"text": str(match.rule.description),
},
"helpUri": match.rule.url,
"properties": {"tags": match.rule.tags},
}
return rule
def _to_sarif_result(self, match: MatchError) -> dict[str, Any]:
# https://docs.oasis-open.org/sarif/sarif/v2.1.0/errata01/os/sarif-v2.1.0-errata01-os-complete.html#_Toc141790898
if match.level not in ("warning", "error", "note", "none"):
msg = "Unexpected failure to map '%s' level to SARIF."
raise RuntimeError(
msg,
match.level,
)
result: dict[str, Any] = {
"ruleId": match.tag,
"level": self.get_sarif_result_severity_level(match),
"message": {
"text": (
str(match.details) if str(match.details) else str(match.message)
),
},
"locations": [
{
"physicalLocation": {
"artifactLocation": {
"uri": self._format_path(match.filename or ""),
"uriBaseId": self.BASE_URI_ID,
},
"region": {
"startLine": match.lineno,
},
},
},
],
}
if match.column:
result["locations"][0]["physicalLocation"]["region"][
"startColumn"
] = match.column
return result
@staticmethod
def get_sarif_rule_severity_level(rule: BaseRule) -> str:
"""General SARIF severity level for a rule.
Note: Can differ from an actual result/match severity.
Possible values: "none", "note", "warning", "error"
see: https://github.com/oasis-tcs/sarif-spec/blob/123e95847b13fbdd4cbe2120fa5e33355d4a042b/Schemata/sarif-schema-2.1.0.json#L1934-L1939
"""
if rule.severity in ["VERY_HIGH", "HIGH"]:
return "error"
if rule.severity in ["MEDIUM", "LOW", "VERY_LOW"]:
return "warning"
if rule.severity == "INFO":
return "note"
return "none"
@staticmethod
def get_sarif_result_severity_level(match: MatchError) -> str:
"""SARIF severity level for an actual result/match.
Possible values: "none", "note", "warning", "error"
see: https://github.com/oasis-tcs/sarif-spec/blob/123e95847b13fbdd4cbe2120fa5e33355d4a042b/Schemata/sarif-schema-2.1.0.json#L2066-L2071
"""
if not match.level:
return "none"
if match.level in ["warning", "error"]:
return match.level
return "note"
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