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

README.md

@@ -17,7 +17,7 @@ Common Release Data for various projects in a consumable format. Current format
 
 ## Currently Updated
 
-As of 2023-06-25, 159 of the 232 products tracked by endoflife.date have automatically tracked releases:
+As of 2023-06-25, 160 of the 232 products tracked by endoflife.date have automatically tracked releases:
 
 | Product                              | Permalink                     | Auto | Method          |
 |--------------------------------------|-------------------------------|------|-----------------|
@@ -208,7 +208,7 @@ As of 2023-06-25, 159 of the 232 products tracked by endoflife.date have automat
 | React                                | `/react`                      | ✔️   | npm             |
 | Red Hat Enterprise Linux             | `/rhel`                       | ❌    | n/a             |
 | Red Hat OpenShift                    | `/red-hat-openshift`          | ❌    | n/a             |
-| Red Hat Satellite                    | `/redhat-satellite`           | ❌    | n/a             |
+| Red Hat Satellite                    | `/redhat-satellite`           | ✔️   | custom          |
 | Redis                                | `/redis`                      | ✔️   | git             |
 | Redmine                              | `/redmine`                    | ✔️   | git             |
 | Rocky Linux                          | `/rocky-linux`                | ✔️   | distrowatch     |

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::")