feat: add vault snippet

Signed-off-by: Henrik Gerdes <hegerdes@outlook.de>

.gitlab-ci.yml

@@ -84,6 +84,7 @@ snippets:
     - !reference [.snippets, skopeo-install]
     - !reference [.snippets, cosign-install]
     - !reference [.snippets, talosctl-install]
+    - !reference [.snippets, vault-install]
     - !reference [.snippets, helm-install]
     - !reference [.snippets, packer-install]
     - !reference [.snippets, kind-install]

.gitlab/ci/snippets.yml

@@ -41,6 +41,30 @@
         chmod +x /usr/local/bin/jq
       fi
       jq --version
+  vault-install:
+    - |
+      # Check if vault is installed
+      if ! command -v vault > /dev/null; then
+        echo "Installing vault"
+        echo "You can set the desired version via VAULT_VERSION_TAG. Default is latest"
+        if [ "$(uname -m)" = "x86_64" ]; then
+          ARCH=amd64
+        elif [ "$(uname -m)" = "aarch64" ]; then
+          ARCH=arm64
+        else
+          echo "Unknown system arch. Default to amd64"
+        fi
+        VAULT_DEFAULT_VERSION_TAG=$(curl -sL https://api.github.com/repos/hashicorp/vault/releases/latest | jq -r .name)
+        VAULT_VERSION=${VAULT_VERSION_TAG-$VAULT_DEFAULT_VERSION_TAG}
+        # Fix version beginning with "v"
+        if echo "${VAULT_VERSION}" | grep -q "v"; then
+          VAULT_VERSION="${VAULT_VERSION:1}"
+        fi
+        curl -sL --fail --output /tmp/vault.zip https://releases.hashicorp.com/vault/${VAULT_VERSION}/vault_${VAULT_VERSION}_linux_${ARCH-amd64}.zip
+        unzip -q /tmp/vault.zip -d /usr/local/bin -x "LICENSE.txt"
+        rm /tmp/vault.zip
+      fi
+      vault --version
   openssl-install:
     - |
       # Check if openssl is installed

README.md

@@ -30,6 +30,7 @@ Currently supported snippets are:
  * az-copy-install
  * minikube-install
  * packer-install
+ * vault-install
  * argocd-cli-install
  * helm-install
  * kubeseal-install