[eks] Add EKS release automation

releases/eks.json

@@ -0,0 +1,41 @@
+{
+  "1.22.9": "2022-06-13",
+  "1.21.12": "2022-06-13",
+  "1.20.15": "2022-05-11",
+  "1.19.16": "2022-05-11",
+  "1.22.6": "2022-04-05",
+  "1.21.9": "2022-05-11",
+  "1.21.5": "2022-02-22",
+  "1.20.7": "2021-08-03",
+  "1.19.15": "2022-02-22",
+  "1.18.16": "2021-04-28",
+  "1.21.2": "2021-07-20",
+  "1.19.8": "2021-04-26",
+  "1.17.17": "2021-04-28",
+  "1.16.15": "2020-11-28",
+  "1.20.4": "2021-05-19",
+  "1.15.12": "2020-11-28",
+  "1.18.9": "2020-11-28",
+  "1.17.12": "2020-11-28",
+  "1.19.6": "2021-02-20",
+  "1.14.9": "2020-01-02",
+  "1.18.8": "2020-10-27",
+  "1.17.9": "2020-08-17",
+  "1.16.13": "2020-08-17",
+  "1.15.11": "2020-04-15",
+  "1.17.6": "2020-07-31",
+  "1.16.8": "2020-05-05",
+  "1.16.12": "2020-07-11",
+  "1.13.12": "2020-01-07",
+  "1.12.10": "2019-09-05",
+  "1.15.10": "2020-03-14",
+  "1.14.7": "2019-11-02",
+  "1.13.10": "2019-09-16",
+  "1.11.10": "2019-09-05",
+  "1.14.6": "2019-09-16",
+  "1.13.8": "2019-09-05",
+  "1.13.7": "2019-06-20",
+  "1.12.6": "2019-06-20",
+  "1.11.8": "2019-06-20",
+  "1.10.13": "2019-06-20"
+}

requirements.txt

@@ -1,6 +1,9 @@
 beautifulsoup4==4.11.1
+cffi==1.15.1
 html5lib==1.1
 mwparserfromhell==0.6.4
+pycparser==2.21
+pygit2==1.9.2
 python-frontmatter==1.0.0
 PyYAML==5.4
 six==1.16.0

src/eks.py

@@ -0,0 +1,38 @@
+import pygit2
+import re
+from datetime import datetime
+import json
+
+PATH = 'doc_source/kubernetes-versions.md'
+TEMP_REPO_PATH = '/tmp/eks-docs'
+REGEX = r"^\+ (?P<major>\d+)\\\.(?P<minor>\d+)\\\.(?P<patch>\d+)$"
+
+versions = {}
+
+def add_versions(c_versions, commit):
+  for v in c_versions:
+    if v not in versions:
+      version_string = "%s.%s.%s" % v
+      date = datetime.fromtimestamp(commit.commit_time).strftime('%Y-%m-%d')
+      versions[version_string] = date
+
+def get_versions(markdown):
+  return re.findall(REGEX, markdown, re.MULTILINE)
+
+repo = pygit2.Repository(TEMP_REPO_PATH)
+prev = None
+tree_list = []
+for cur in repo.walk(repo.head.target):
+  if prev is not None:
+    for d in cur.tree.diff_to_tree(prev.tree).deltas:
+      if(d.new_file.path ==  PATH and PATH in cur.tree):
+        contents = cur.tree[PATH].data.decode('UTF-8')
+        add_versions(get_versions(contents), cur)
+
+  if cur.parents:
+    prev = cur
+    cur = cur.parents[0]
+
+with open('releases/eks.json', 'w') as f:
+  f.write(json.dumps(versions, indent=2))
+