Features 11017 and 11018: setup of mgmt cluster and git repo

This change incorporates the changes to setup a mgmt cluster for
cloud-native operations in OSM following a GitOps model, which includes
the setup of an internal git repository.

Change-Id: If828d18ad64d852a9a89ec9ba7c2d3a96d281565
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/installers/mgmt-cluster/setup-cli-tools.sh b/installers/mgmt-cluster/setup-cli-tools.sh
new file mode 100755
index 0000000..140d437
--- /dev/null
+++ b/installers/mgmt-cluster/setup-cli-tools.sh
@@ -0,0 +1,45 @@
+#!/bin/bash
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+
+# Install `gnupg` and `gpg` - Typically pre-installed in Ubuntu
+sudo apt-get install gnupg gpg
+
+# Install `sops`
+curl -LO https://github.com/getsops/sops/releases/download/v3.8.1/sops-v3.8.1.linux.amd64
+sudo mv sops-v3.8.1.linux.amd64 /usr/local/bin/sops
+sudo chmod +x /usr/local/bin/sops
+
+# Install `envsubst`
+sudo apt-get install gettext-base
+
+# Install `age`
+#   Ubuntu 22.04+:
+sudo apt-get install age
+
+# (Only for Gitea) Install `apg`
+sudo apt-get install apg
+
+# # (Only for Minio) `kubectl minio` plugin and Minio Client
+# curl https://github.com/minio/operator/releases/download/v5.0.12/kubectl-minio_5.0.12_linux_amd64 -Lo kubectl-minio
+# curl https://dl.min.io/client/mc/release/linux-amd64/mc -o minioc
+# chmod +x kubectl-minio minioc
+# sudo mv kubectl-minio minioc /usr/local/bin/
+# # (Only for HTTPS Ingress for Minio tenant) Install `openssl`
+# sudo apt-get install openssl
+
+# Flux client
+curl -s https://fluxcd.io/install.sh | sudo bash
+# Autocompletion
+. <(flux completion bash)