[redhat-satellite] Add automation (closes #82)

src/redhat-satellite.py

@@ -0,0 +1,38 @@
+import re
+from bs4 import BeautifulSoup
+from common import endoflife
+
+"""Fetch versions with their dates from access.redhat.com.
+
+A few of the older versions, such as 'Satellite 6.1 GA Release (Build 6.1.1)',
+were ignored because too hard to parse.
+"""
+
+URL = "https://access.redhat.com/articles/1365633"
+# https://regex101.com/r/m8aWXG/1
+regex = r"^Satellite (?P<version>\d+\.\d+\.\d+([.-]\d+)?) ([Uu]pdate|[Rr]elease)$"
+
+print("::group::redhat-satellite")
+response = endoflife.fetch_url(URL)
+soup = BeautifulSoup(response, features="html5lib")
+
+versions = {}
+for table in soup.findAll("tbody"):
+    for tr in table.findAll("tr"):
+        td_list = tr.findAll("td")
+
+        # Versions x.y GA are transformed to x.y.0
+        version = td_list[0].get_text().replace(' GA', '.0').strip()
+        m = re.match(regex, version)
+        if m:
+            # Versions a.b.c-d are transformed to a.b.c.d
+            version = m["version"].replace('-', '.')
+            date = td_list[1].get_text().strip()
+            versions[version] = date
+            print(f"{version}: {date}")
+
+endoflife.write_releases('redhat-satellite', dict(
+    # sort by date then version (desc)
+    sorted(versions.items(), key=lambda x: (x[1], x[0]), reverse=True)
+))
+print("::endgroup::")