docs(localdev): describe cntlm setup (#466)

#399

charts/localdev/README.md

@@ -10,30 +10,34 @@ This chart also sets up an additional [postgresql](https://artifacthub.io/packag
 
 For detailed information about the default configuration values, please have a look at the [Values table](#values) and/or [Values file](./values.yaml).
 
-- [Usage](#usage)
-- [Cluster setup](#cluster-setup)
-  - [Linux and Mac](#cluster-setup-linux-and-mac)
-  - [Cluster Setup Windows](#cluster-setup-windows)
-    - [Minikube](#minikube)
-    - [Docker Desktop integrated Kubernetes](#docker-desktop-integrated-kubernetes)
-- [Network Setup](#network-setup)
-  - [Minikube Addons](#minikube-addons)
-  - [Docker Desktop integrated Kubernetes Ingress Controller](#docker-desktop-integrated-kubernetes-ingress-controller)
-  - [Linux and Mac](#network-setup-on-linux-and-mac)
-    - [Additional Network Setup for Mac](#additional-network-setup-for-mac)
-  - [Windows/wsl2 with NTLM-proxy](#network-setup-on-windowswsl2-with-ntlm-proxy)
-    - [px-proxy](#px-proxy)
-    - [DNS-resolution in Windows](#dns-resolution-in-windows)
-    - [DNS-resolution in wsl2](#dns-resolution-in-wsl2)
-    - [Proxy-setup in wsl2](#proxy-setup-in-wsl2)
-- [Install](#install)
-  - [Use released chart](#use-released-chart)
-  - [Use local repository](#use-local-repository)
-- [Perform first login](#perform-first-login)
-- [Database Access](#database-access)
-- [Keycloak Admin Console](#keycloak-admin-console)
-- [Uninstall](#uninstall)
-- [Prepare self-signed TLS setup (Optional)](#prepare-self-signed-tls-setup-optional)
+- [Setup of CX Portal \& IAM for local development](#setup-of-cx-portal--iam-for-local-development)
+  - [Usage](#usage)
+  - [Cluster Setup](#cluster-setup)
+    - [Cluster Setup Linux and Mac](#cluster-setup-linux-and-mac)
+    - [Cluster Setup Windows](#cluster-setup-windows)
+      - [Minikube](#minikube)
+      - [Docker Desktop integrated Kubernetes](#docker-desktop-integrated-kubernetes)
+  - [Network Setup](#network-setup)
+    - [Minikube Addons](#minikube-addons)
+    - [Docker Desktop integrated Kubernetes Ingress Controller](#docker-desktop-integrated-kubernetes-ingress-controller)
+    - [Network Setup on Linux and Mac](#network-setup-on-linux-and-mac)
+      - [Additional Network Setup for Mac](#additional-network-setup-for-mac)
+      - [Setup cntlm proxy](#setup-cntlm-proxy)
+    - [Network Setup on Windows/wsl2 with NTLM-proxy](#network-setup-on-windowswsl2-with-ntlm-proxy)
+      - [px-proxy](#px-proxy)
+      - [DNS-resolution in Windows](#dns-resolution-in-windows)
+      - [DNS-resolution in wsl2](#dns-resolution-in-wsl2)
+      - [Proxy-setup in wsl2](#proxy-setup-in-wsl2)
+  - [Install](#install)
+    - [Use released chart](#use-released-chart)
+    - [Use local repository](#use-local-repository)
+  - [Perform first login](#perform-first-login)
+  - [Database Access](#database-access)
+  - [Keycloak Admin Console](#keycloak-admin-console)
+  - [Uninstall](#uninstall)
+  - [Prepare self-signed TLS setup (Optional)](#prepare-self-signed-tls-setup-optional)
+  - [Requirements](#requirements)
+  - [Values](#values)
 
 ## Usage
 
@@ -170,6 +174,64 @@ If you're having issues with getting 'Docker Mac Net Connect' to work, we recomm
 
 The tool is necessary due to [#7332](https://github.com/kubernetes/minikube/issues/7332).
 
+#### Setup cntlm proxy
+
+Follow these steps if you are behind a firewall and have only access to the internet from behind an authenticating corporate NTLM http proxy.
+
+```bash
+# Linux
+$ sudo apt install cntlm
+# Mac
+$ brew install cntlm
+```
+
+Locate and edit the config file to set your proxy and authentication credentials
+
+```bash
+# Linux
+$ sudo vi /etc/cntlm.conf
+# Mac
+$ vi ~/.brew/etc/cntlm.conf
+```
+
+```
+Username        your_userid
+Domain          your_domain
+Password        your_ntlm_proxy_password
+Proxy           your.corporate.proxy.host:8080
+# include domain .tx.test and minikube ip address
+NoProxy         localhost, 127.0.0.1, 192.168.49.2, *.tx.test, *.other.domains
+Listen          3128
+```
+
+(Re-)start cntlm
+```bash
+# Linux (ubuntu)
+$ sudo service cntlm reload
+# Mac
+$ pkill -x 'cntlm'
+$ cntlm
+```
+
+Locate and edit the settings file for your shell to set env vars
+```bash
+$ vi ~/.*shrc
+```
+
+```
+export http_proxy=http://localhost:3128
+export https_proxy=http://localhost:3128
+# include domain .tx.test and minikube ip address
+export no_proxy=localhost,127.0.0.1,192.168.49.2,.tx.test,.other.domains
+```
+
+Save and apply your settings and test internet access
+```
+$ source ~/.*shrc
+$ curl https://github.com/ -Is | grep server
+server: GitHub.com
+```
+
 ### Network Setup on Windows/wsl2 with NTLM-proxy
 
 Configure wsl networking, assign additional fixed IP addresses to both wsl2 and windows, the wsl2-ip-address will then be used as cluster-ip-address. Do **not** use 127.0.0.1 as Cluster IP, as this causes issues when services try to access other services via the ingress from within the cluster.