docs: list tested Kubernetes versions (argoproj#12276)

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com> remove crud Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com> remove crud Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com> so-called readability Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com> workflow Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com> docs: list tested Kubernetes versions (argoproj#12276) Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com> remove crud Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com> remove crud Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com> so-called readability Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com> workflow Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com> stash Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com> git yay Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com> stash Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com> pop at the right moment Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com> add Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com> changes Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com> changes Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com> changes Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com> fix oops Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>
crenshaw-dev · Jun 22, 2023 · dd8fedc · dd8fedc
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diff --git a/.github/workflows/init-release.yaml b/.github/workflows/init-release.yaml
@@ -56,6 +56,13 @@ jobs:
           make manifests-local VERSION=${{ inputs.TARGET_VERSION }}
           git diff
 
+      - name: Generate version compatibility table
+        run: |
+          git stash
+          bash hack/update-supported-versions.sh
+          git add -u .
+          git stash pop
+
       - name: Create pull request
         uses: peter-evans/create-pull-request@153407881ec5c347639a548ade7d8ad1d6740e38  # v5.0.2
         with:

diff --git a/docs/operator-manual/installation.md b/docs/operator-manual/installation.md
@@ -99,3 +99,9 @@ For example if the latest minor version of ArgoCD are 2.4.3 and 2.3.5  while sup
 * Argo CD 2.3.5 on Kubernetes 1.24
 * Argo CD 2.3.5 on Kubernetes 1.23
 * Argo CD 2.3.5 on Kubernetes 1.22
+
+## Tested versions
+
+The following table shows the versions of Kubernetes that are tested with each version of Argo CD.
+
+{!docs/operator-manual/tested-kubernetes-versions.md!}
diff --git a/docs/operator-manual/tested-kubernetes-versions.md b/docs/operator-manual/tested-kubernetes-versions.md
@@ -0,0 +1,6 @@
+| Argo CD version | Kubernetes versions |
+|-----------------|---------------------|
+| 2.7 | v1.26, v1.25, v1.24, v1.23 |
+| 2.6 | v1.24, v1.23, v1.22 |
+| 2.5 | v1.24, v1.23, v1.22 |
+
diff --git a/hack/update-supported-versions.sh b/hack/update-supported-versions.sh
@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+
+out="| Argo CD version | Kubernetes versions |\n"
+out+="|-----------------|---------------------|\n"
+
+argocd_minor_version=$(git rev-parse --abbrev-ref HEAD | sed 's/release-//')
+argocd_major_version_num=$(echo "$argocd_minor_version" | sed -E 's/\.[0-9]+//')
+argocd_minor_version_num=$(echo "$argocd_minor_version" | sed -E 's/[0-9]+\.//')
+
+for n in 0 1 2; do
+  minor_version_num=$((argocd_minor_version_num - n))
+  minor_version="${argocd_major_version_num}.${minor_version_num}"
+  git checkout "release-$minor_version" > /dev/null || exit 1
+  line=$(yq '.jobs["test-e2e"].strategy.matrix["k3s-version"][]' .github/workflows/ci-build.yaml | \
+    jq --arg minor_version "$minor_version" --raw-input --slurp --raw-output \
+    'split("\n")[:-1] | map(sub("\\.[0-9]+$"; "")) | join(", ") | "| \($minor_version) | \(.) |"')
+  out+="$line\n"
+done
+
+git checkout "release-$argocd_minor_version"
+
+
+printf "$out" > docs/operator-manual/tested-kubernetes-versions.md