Merge pull request 'ALBS-915: add support for Bug/Enhancement Advisories' (#2) from ALBS-915 into main

Reviewed-on: #2

albs_oval_errata_diff/advisory.py

@@ -0,0 +1,25 @@
+"""
+advisory contains Advisory dataclass definition
+"""
+from dataclasses import dataclass
+from typing import List
+
+from .package import Package
+
+
+@dataclass
+class Advisory:
+    """
+    Represents Secutity/Bug/Enhancment advisory deffition extracted
+    from oval or errata
+
+    Params
+    ------
+    title: RHBA-2022:5749: .NET 6.0 bugfix update (Moderate)
+    advisory_type: RHBA
+    id: 2022-5749
+    """
+    title: str
+    advisory_type: str
+    id: str  # pylint: disable=invalid-name
+    packages: List[Package]

albs_oval_errata_diff/comparer.py

@@ -15,7 +15,7 @@ import requests
 
 from .config import Config
 from .package import Package
-from .sa import SecurityAdvisory
+from .advisory import Advisory
 
 
 def download_oval(url: str, download_dir: Path) -> str:
@@ -46,9 +46,21 @@ def download_errata(url: str, release_version: int, download_dir: Path) -> str:
     return fpath
 
 
-def parse_oval(fpath: str, not_before: datetime.datetime) -> Dict[str, SecurityAdvisory]:
+def extract_id_and_type(string: str) -> Tuple[str, str]:
     """
-    converting oval xml file to dict
+    Extracts advisory id and advisory type from OVAL title or errata id
+    Example:
+      oval: "RHSA-2022:5749: .NET 6.0 bugfix update (Moderate)" -> (2022:5749, SA)
+      errata: ALSA-2022:6165 -> (id=2022:6165, SA)
+    """
+    regexp = r'((RH|AL)(SA|BA|EA))-(\d{4}:\d+)'
+    res = re.search(regexp, string)
+    return res.group(4), res.group(3)
+
+
+def parse_oval(fpath: str, not_before: datetime.datetime) -> Dict[str, Advisory]:
+    """
+    Converts OVAL XML file to Dict of Advisories
     """
 
     def extract_package(title: str) -> Package:
@@ -58,11 +70,6 @@ def parse_oval(fpath: str, not_before: datetime.datetime) -> Dict[str, SecurityA
         version = res.group(2)
         return Package(name=name, version=version)
 
-    def extract_id(title: str) -> str:
-        regexp = r'[RH|AL]SA-(\d{4}:\d+)(.*)'
-        res = re.search(regexp, title)
-        return res.group(1)
-
     tree = ET.parse(fpath)
     root = tree.getroot()
     namespase = {
@@ -76,43 +83,57 @@ def parse_oval(fpath: str, not_before: datetime.datetime) -> Dict[str, SecurityA
             'n:metadata/n:advisory/n:issued', namespase).attrib['date']
         issued_dt = datetime.datetime.strptime(issued, "%Y-%m-%d")
 
-        # we are only  interesed in Security advisories after RHEL 8.3
+        # we are only interested in RHEL/OVAL SA/BA/EA
-        if ('RHSA' not in title and 'ALSA' not in title) or issued_dt < not_before:
+        # released after RHEL 8.3
+        if not re.match(r'((RH|AL)(SA|BA|EA))', title) or issued_dt < not_before:
             continue
-        sa_id = extract_id(title)
+
+        # we are only interested in security based advisories
+        severity = definition.find(
+            'n:metadata/n:advisory/n:severity', namespase)
+        if severity is None:
+            continue
+
+        if severity.text.lower() not in ['low', 'moderate', 'important', 'critical']:
+            continue
+
+        advisory_id, advisory_type = extract_id_and_type(title)
         packages = [extract_package(i.attrib['comment']) for
                     i in definition.findall(".//n:criterion", namespase)
                     if 'is earlier than' in i.attrib['comment']]
-        res[sa_id] = SecurityAdvisory(
+        res[advisory_id] = Advisory(title=title, id=advisory_id,
-            title=title, id=sa_id, packages=packages)
+                                    advisory_type=advisory_type,
+                                    packages=packages)
     return res
 
 
-def parse_errata(fpath: str) -> Dict[str, SecurityAdvisory]:
+def parse_errata(fpath: str) -> Dict[str, Advisory]:
     """
-    parses alma errata file and converts it to dict of SA instances
+    Parses Alma Errata file and converts it to dict of Advisory instances
     """
     with open(fpath, 'r', encoding='utf-8') as file_to_load:
         erratas = json.load(file_to_load)
     res = {}
     for errata in erratas['data']:
         title = errata['title']
-        sa_id = errata['id'].split('-')[-1]
+        advisory_id, advisory_type = extract_id_and_type(errata['id'])
         packages = []
         for package in errata['packages']:
             full_name = f"{package['name']}-{package['version']}"
             if full_name not in packages:
                 packages.append(full_name)
         packages.sort()
-        res[sa_id] = SecurityAdvisory(
+        res[advisory_id] = Advisory(title=title,
-            title=title, id=sa_id, packages=packages)
+                                    id=advisory_id,
+                                    advisory_type=advisory_type,
+                                    packages=packages)
     return res
 
 
-def compare(rhel_oval: Dict[str, SecurityAdvisory],
+def compare(rhel_oval: Dict[str, Advisory],
-            alma_oval: Dict[str, SecurityAdvisory],
+            alma_oval: Dict[str, Advisory],
-            alma_errata: Dict[str, SecurityAdvisory],
+            alma_errata: Dict[str, Advisory],
-            sa_exclude: List[str],
+            advisory_exclude: List[str],
             packages_exclude: List[str]) -> Tuple[dict, list]:
     """
     compares rhel oval with alma oval and alma errata
@@ -120,49 +141,49 @@ def compare(rhel_oval: Dict[str, SecurityAdvisory],
     diff = []
     report = {
         # total amount of security advisories
-        'total_sa_count': 0,
+        'total_advisory_count': 0,
-        # amount of SA that match with rhel
+        # amount of ALMA advisory that match with RHEL
-        'good_sa_count': 0,
+        'good_advisory_count': 0,
         # total amount of differencies
         'diff_count': 0,
-        # list of SA excluded from diff check
+        # list of advisories excluded from diff check
-        'excluded_sa': [],
+        'excluded_adv': [],
         # list of packages excluded from  diff check
         'excluded_pkg': [],
-        # amount of oval SA that dont exists in oval file
+        # amount of oval advisories that dont exists in oval file
-        'oval_missing_sa_count': 0,
+        'oval_missing_advisory_count': 0,
-        # amount of oval SA that have missing packages
+        # amount of oval advisories that have missing packages
-        'oval_missing_pkg_sa_count': 0,
+        'oval_missing_pkg_advisory_count': 0,
-        # list of missing oval SA
+        # list of missing oval advisories
-        'oval_missing_sa': [],
+        'oval_missing_advisory': [],
-        # list of oval SA that have missing packages
+        # list of oval advisories that have missing packages
-        'oval_missing_pkg_sa': [],
+        'oval_missing_pkg_advisory': [],
-        # amount of SA that dont exists in errata file
+        # amount of advisories that dont exists in errata file
-        'errata_missing_sa_count': 0,
+        'errata_missing_advisory_count': 0,
-        # amount of errata SA that have missing packages
+        # amount of errata advisories that have missing packages
-        'errata_missing_pkg_sa_count': 0,
+        'errata_missing_pkg_advisory_count': 0,
-        # list of SA that are missing in errata file
+        # list of advisories that are missing in errata file
-        'errata_missing_sa': [],
+        'errata_missing_advisory': [],
-        # list of errata SA with missing packages
+        # list of errata advisories with missing packages
-        'errata_missing_pkg_sa': [],
+        'errata_missing_pkg_advisory': [],
         # total amount of unique missing packages across all alma SA
         'missing_packages_unique_count': 0,
         # list of unique packages that missing across all alma SA
         'missing_packages_unique': []
     }
 
-    for rhel_sa_id, rhel_sa in rhel_oval.items():
+    for rhel_advisory_id, rhel_advisory in rhel_oval.items():
-        report['total_sa_count'] += 1
+        report['total_advisory_count'] += 1
-        sa_name = f'ALSA-{rhel_sa_id}'
+        advisory_name = f'AL{rhel_advisory.advisory_type}-{rhel_advisory_id}'
 
-        # filtering out SA
+        # filtering out advisories
-        if sa_name in sa_exclude:
+        if advisory_name in advisory_exclude:
-            report['excluded_sa'].append(sa_name)
+            report['excluded_advisory'].append(advisory_name)
             continue
 
         # filtefing out packages
         packages_to_check: List[Package] = []
-        for package in rhel_sa.packages:
+        for package in rhel_advisory.packages:
             if any(package.name == i for i in packages_exclude):
                 if str(package) not in report['excluded_pkg']:
                     report['excluded_pkg'].append(str(package))
@@ -171,24 +192,25 @@ def compare(rhel_oval: Dict[str, SecurityAdvisory],
 
         # check oval
         try:
-            alma_oval_sa = alma_oval[rhel_sa_id]
+            alma_oval_advisory = alma_oval[rhel_advisory_id]
         except KeyError:
             report['diff_count'] += 1
-            diff.append({'sa_name': sa_name, 'diff': 'SA is missing in oval'})
+            diff.append({'advisory_name': advisory_name,
-            report['oval_missing_sa'].append(sa_name)
+                        'diff': 'Advisory is missing in OVAL'})
-            report['oval_missing_sa_count'] += 1
+            report['oval_missing_advisory'].append(advisory_name)
+            report['oval_missing_advisory_count'] += 1
         else:
-            # check if some packages are missing from oval SA
+            # check if some packages are missing from OVAL advisories
-            alma_oval_packages = alma_oval_sa.packages
+            alma_oval_packages = alma_oval_advisory.packages
             alma_oval_missing_packages = [str(r) for r in packages_to_check
                                           if str(r) not in [str(i) for i in alma_oval_packages]]
             if alma_oval_missing_packages:
                 report['diff_count'] += 1
-                diff_str = f"missing packages in oval SA: {','.join(alma_oval_missing_packages)}"
+                diff_str = f"OVAL advisory has missing packages: {','.join(alma_oval_missing_packages)}"
-                diff.append({'sa_name': sa_name,
+                diff.append({'advisory_name': advisory_name,
                             'diff': diff_str})
-                report['oval_missing_pkg_sa'].append(sa_name)
+                report['oval_missing_pkg_advisory'].append(advisory_name)
-                report['oval_missing_pkg_sa_count'] += 1
+                report['oval_missing_pkg_advisory_count'] += 1
                 for missing_package in alma_oval_missing_packages:
                     if missing_package not in report['missing_packages_unique']:
                         report['missing_packages_unique'].append(
@@ -197,13 +219,13 @@ def compare(rhel_oval: Dict[str, SecurityAdvisory],
 
         # check errata
         try:
-            alma_errata_sa = alma_errata[rhel_sa_id]
+            alma_errata_sa = alma_errata[rhel_advisory_id]
         except KeyError:
-            report['errata_missing_sa'].append(sa_name)
+            report['errata_missing_advisory'].append(advisory_name)
-            report['errata_missing_sa_count'] += 1
+            report['errata_missing_advisory_count'] += 1
             report['diff_count'] += 1
             diff.append(
-                {'sa_name': sa_name, 'diff': 'SA is missing in errata'})
+                {'advisory_name': advisory_name, 'diff': 'Advisory is missing in Errata'})
             continue
         # check if some packages are missing from errata SA
         alma_errata_packages = alma_errata_sa.packages
@@ -212,18 +234,18 @@ def compare(rhel_oval: Dict[str, SecurityAdvisory],
              if str(r) not in [str(i) for i in alma_errata_packages]]
         if alma_errata_missing_packages:
             report['diff_count'] += 1
-            diff_str = f"missing packages in errata SA: {','.join(alma_errata_missing_packages)}"
+            diff_str = f"Errata advisory has missing packages: {','.join(alma_errata_missing_packages)}"
-            diff.append({'sa_name': sa_name,
+            diff.append({'advisory_name': advisory_name,
                          'diff': diff_str})
-            report['errata_missing_pkg_sa'].append(sa_name)
+            report['errata_missing_pkg_advisory'].append(advisory_name)
-            report['errata_missing_pkg_sa_count'] += 1
+            report['errata_missing_pkg_advisory_count'] += 1
             for missing_package in alma_errata_missing_packages:
                 if missing_package not in report['missing_packages_unique']:
                     report['missing_packages_unique'].append(missing_package)
                     report['missing_packages_unique_count'] += 1
         else:
             # if we here, all checks were passed
-            report['good_sa_count'] += 1
+            report['good_advisory_count'] += 1
 
     for item in report.values():
         if isinstance(item, list):
@@ -262,7 +284,7 @@ def comparer_run(config: Config) -> Dict[str, Any]:
             compare(rhel_oval_dict,
                     alma_oval_dict,
                     alma_errata_dict,
-                    config.sa_exclude,
+                    config.advisory_exclude,
                     config.packages_exclude)
         result[release] = {'report': report_release,
                            'diff': diff_release,
@@ -271,6 +293,6 @@ def comparer_run(config: Config) -> Dict[str, Any]:
                            'alma_errata_url': urls.alma_errata_url}
 
     result['report_generated'] = datetime.datetime.now().timestamp() * 1000
-    result['sa_not_before'] = config.not_before.timestamp() * 1000
+    result['advisory_not_before'] = config.not_before.timestamp() * 1000
 
     return result

albs_oval_errata_diff/config.py

@@ -16,7 +16,7 @@ DIFF_FILE = Path('/tmp/albs-oval-errata-diff.json')
 DOWNLOAD_DIR = Path('/tmp')
 LOG_FILE = Path('logs/albs-oval-errata-diff.log')
 PACKAGES_EXCLUDE = []
-SA_EXCLUDE = []
+ADVISORY_EXCLUDE = []
 SERVER_PORT = 3001
 SERVER_IP = IPv4Address('127.0.0.1')
 # not checking anything before RHEL-9.0 release
@@ -50,9 +50,9 @@ class Config(BaseModel):
         default=PACKAGES_EXCLUDE)
     releases: Dict[int, ReleaseUrls] = Field(
         description='list of OS releases with Oval/Errata URLs to check')
-    sa_exclude: List[str] = Field(
+    advisory_exclude: List[str] = Field(
         description='list of Security Advisory IDs (ALSA-2022:5219) to exclude from checking',
-        default=SA_EXCLUDE)
+        default=ADVISORY_EXCLUDE)
     server_port: int = Field(
         description='port that will be used by websever',
         default=SERVER_PORT)

albs_oval_errata_diff/package.py

@@ -7,7 +7,7 @@ from dataclasses import dataclass
 @dataclass
 class Package:
     """
-    Package represents RPM package exstracted from RHEL OVAL
+    Package represents RPM package extracted from RHEL/ALMA OVAL/Errata files
     """
     name: str
     version: str

albs_oval_errata_diff/sa.py

@@ -1,18 +0,0 @@
-"""
-sa contains SecurityAdvisory dataclass definition
-"""
-from dataclasses import dataclass
-from typing import List
-
-from .package import Package
-
-
-@dataclass
-class SecurityAdvisory:
-    """
-    SecurityAdvisory represents Security advisory deffition extracted
-    from oval or errata
-    """
-    title: str
-    id: str  # pylint: disable=invalid-name
-    packages: List[Package]

albs_oval_errata_diff/start.py

@@ -16,7 +16,7 @@ from .config import get_config, Config
 from .comparer import comparer_run
 
 
-# This dict holds all current differentes
+# This dict holds all current differences
 diffs = {}
 diffs_lock = threading.Lock()
 

config.default.yml

@@ -37,11 +37,11 @@ releases:
     alma_oval_url: https://repo.almalinux.org/security/oval/org.almalinux.alsa-9.xml.bz2
     alma_errata_url: https://errata.almalinux.org/9/errata.full.json
 
-# sa_exclude
+# advisory_exclude
-# list of Security Advisory IDs (ALSA-2022:5219) to exclude from checking
+# list of advisory IDs (ALSA-2022:5219) to exclude from checking
 # requred: no
 # default: []
-sa_exclude: []
+advisory_exclude: []
 
 # server_port
 # port that will be used by websever

releases.txt

@@ -2,3 +2,5 @@
     First version of service
 2023-01-04 v1.0.1
     Fixed missing packages false positives
+2023-01-12 v1.0.2
+    Added support for Bug/Enhancement Advisories