feat(github): Analyse past release times (#3135)

* feat(github): Analyse past release times Signed-off-by: Tim Collins <tim@thecollins.team> * typo Signed-off-by: Tim Collins <tim@thecollins.team> * add megalinter config. Fix my rubbish code to appease the linter Signed-off-by: Tim Collins <tim@thecollins.team> --------- Signed-off-by: Tim Collins <tim@thecollins.team> Co-authored-by: Aikawa <yu.croco@gmail.com>
2025-01-29 13:43:03 +00:00 · 2025-01-29 13:43:03 +00:00 · 56c5a31c9e
commit 56c5a31c9e
parent 2685b861d2
16 changed files with 2493 additions and 0 deletions
--- a/scripts/release-analysis/plot_graph.py
+++ b/scripts/release-analysis/plot_graph.py
@ -0,0 +1,58 @@
+import csv
+
+import matplotlib.pyplot as plt
+from packaging import version
+
+
+def plot_time_difference(csv_file):
+    # Read the CSV file and process the data
+    data = {"argo-cd": [], "argo-events": [], "argo-workflows": [], "argo-rollouts": []}
+    release_tags = {
+        "argo-cd": [],
+        "argo-events": [],
+        "argo-workflows": [],
+        "argo-rollouts": [],
+    }
+    with open(csv_file, mode="r") as file:
+        reader = csv.DictReader(file)
+        for row in reader:
+            repo = row["Repository"]
+            time_diff_str = row["Time Difference"]
+            release_tag = row["Release Tag"]
+            if repo in data and time_diff_str:
+                time_diff = float(time_diff_str)
+                data[repo].append(time_diff)
+                release_tags[repo].append(release_tag)
+
+    # Sort the release tags based on semantic versioning
+    for repo in release_tags:
+        sorted_indices = sorted(
+            range(len(release_tags[repo])),
+            key=lambda i: version.parse(release_tags[repo][i]),
+        )
+        release_tags[repo] = [release_tags[repo][i] for i in sorted_indices]
+        data[repo] = [data[repo][i] for i in sorted_indices]
+
+    # Plot the data
+    for repo, time_diffs in data.items():
+        plt.figure(figsize=(10, 6))
+        plt.plot(release_tags[repo], time_diffs, marker="o", label=repo)
+        plt.axhline(y=72, color="r", linestyle="--", label="SLA (72 hours)")
+        plt.xlabel("Upstream Release Tag")
+        plt.ylabel(
+            "Time difference between upstream release and Helm Chart release (hours)"
+        )
+        plt.title(f"Time to Release Helm Chart for {repo}")
+        plt.legend()
+        plt.grid(True)
+        plt.xticks(rotation=45)
+        plt.tight_layout()
+        plt.savefig(f"time_difference_plot_{repo}.png")
+        plt.close()
+
+    print("The plots have been saved as 'time_difference_plot_<repo>.png'")
+
+
+# Example usage
+if __name__ == "__main__":
+    plot_time_difference("merged_releases.csv")