From 778ca4f793e6cdef1e764792d99f1f65b72ce440 Mon Sep 17 00:00:00 2001
From: jakemulley <jakemulley@users.noreply.github.com>
Date: Tue, 10 Oct 2023 15:32:06 +0100
Subject: [PATCH 1/2] Add script to create GitHub issues for EKS upgrades

---
 scripts/README.md      |  7 +++++++
 scripts/eks-updates.sh | 42 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 49 insertions(+)
 create mode 100644 scripts/README.md
 create mode 100644 scripts/eks-updates.sh

diff --git a/scripts/README.md b/scripts/README.md
new file mode 100644
index 00000000..d7e2faf9
--- /dev/null
+++ b/scripts/README.md
@@ -0,0 +1,7 @@
+# Creating issues for EKS upgrades
+
+This directory contains scripts to automatically create GitHub issues based on EKS upgrades.
+
+| Script | Description |
+|-|-|
+| [eks-updates.sh](./eks-updates.sh) | Fetches current cluster versions and compares them against supported Kubernetes versions in EKS. It creates a GitHub issue (example)[https://github.com/ministryofjustice/cloud-platform/issues/4857] to track upgrade progress. |
\ No newline at end of file
diff --git a/scripts/eks-updates.sh b/scripts/eks-updates.sh
new file mode 100644
index 00000000..9e65daac
--- /dev/null
+++ b/scripts/eks-updates.sh
@@ -0,0 +1,42 @@
+#!/bin/bash
+
+# get supported versions
+VERSIONS=($(aws eks describe-addon-versions | jq -r ".addons[] | .addonVersions[] | .compatibilities[] | .clusterVersion" | sort | uniq))
+
+# list clusters
+CLUSTERS=(live live-2 manager)
+
+for CLUSTER in "${CLUSTERS[@]}";
+
+do
+  # get cluster versions
+  CLUSTER_VERSION=$(aws eks describe-cluster --name "$CLUSTER" | jq -r '.cluster.version')
+
+  for VERSION in "${VERSIONS[@]}";
+  do
+    if [[ "$CLUSTER_VERSION" != "$VERSION" ]]; then
+      if (( $(echo "$CLUSTER_VERSION < $VERSION" | bc -l) )); then # check if newer version is supported
+        TITLE="EKS: Upgrade $CLUSTER to Kubernetes v$VERSION";
+        BODY=$(cat << END
+## Background
+
+EKS supports Kubernetes $VERSION. The $CLUSTER cluster needs upgrading to Kubernetes $VERSION.
+
+See [Amazon EKS Kubernetes versions](https://docs.aws.amazon.com/eks/latest/userguide/kubernetes-versions.html) for more details.
+END
+)
+
+        # get github issues and check if one already exists
+        GITHUB_ISSUES=$(gh issue list --repo ministryofjustice/cloud-platform --state all --search "in:title \"$TITLE\"" --limit 50 --json title | jq -r "[ .[] | select(.title == \"$TITLE\") ] | length")
+
+        # if no issues yet, create one
+        if (( $(echo "0 == $GITHUB_ISSUES" | bc -l) )); then
+          echo "No issue found for $TITLE, creating one..."
+          gh issue create --title "$TITLE" --body "$BODY" --label EPIC --repo ministryofjustice/cloud-platform
+        else
+          echo "Issue already exists for $TITLE, skipping..."
+        fi
+      fi
+    fi
+  done
+done

From 80beb3c914043a0ee006d9c6a2d32f98f79e758b Mon Sep 17 00:00:00 2001
From: "github-actions[bot]" <github-actions[bot]@users.noreply.github.com>
Date: Tue, 10 Oct 2023 14:33:15 +0000
Subject: [PATCH 2/2] Commit changes made by code formatters

---
 scripts/README.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/scripts/README.md b/scripts/README.md
index d7e2faf9..02ed28ca 100644
--- a/scripts/README.md
+++ b/scripts/README.md
@@ -2,6 +2,6 @@
 
 This directory contains scripts to automatically create GitHub issues based on EKS upgrades.
 
-| Script | Description |
-|-|-|
-| [eks-updates.sh](./eks-updates.sh) | Fetches current cluster versions and compares them against supported Kubernetes versions in EKS. It creates a GitHub issue (example)[https://github.com/ministryofjustice/cloud-platform/issues/4857] to track upgrade progress. |
\ No newline at end of file
+| Script                             | Description                                                                                                                                                                                                                      |
+| ---------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| [eks-updates.sh](./eks-updates.sh) | Fetches current cluster versions and compares them against supported Kubernetes versions in EKS. It creates a GitHub issue (example)[https://github.com/ministryofjustice/cloud-platform/issues/4857] to track upgrade progress. |