James Dube jamesdube

This page has been moved to https://github.com/int128/hello-envoy

Envoy TCP Proxy

This is an example of Envoy TCP Proxy from localhost:10000 to www.google.com:80. See also https://www.envoyproxy.io/docs/envoy/latest/intro/arch_overview/listeners/tcp_proxy.

To run a proxy:

This gist describes the configuration required for Spring reactive WebClient to make a call to an OAuth2 protected resource through OAuth2.0 Client Credentials Grant Type Flow.

Assumption is that the Authorization Server supports OpenId Connect 1.0 specifications.

How to disable systemd-resolved in Ubuntu

Stages

Disable and stop the systemd-resolved service:

  sudo systemctl disable systemd-resolved.service
  sudo systemctl stop systemd-resolved

Then put the following line in the [main] section of your /etc/NetworkManager/NetworkManager.conf:

Enable TCP port 2375 for external connection to Docker

See this issue.
Docker best practise to Control and configure Docker with systemd.

Create daemon.json file in /etc/docker:

 {"hosts": ["tcp://0.0.0.0:2375", "unix:///var/run/docker.sock"]}

Create namespace.yaml

apiVersion: v1
kind: Namespace
metadata:
  name: gitlab

kubectl create -f ./namespace.yaml

	#!/usr/bin/env bash

	set -e -o pipefail; [[ -n "$DEBUG" ]] && set -x

	CERT_DIR="${CERT_DIR:-"/usr/local/share/ca-certificates"}"

	function usage() {
	echo "Usage: $(basename "$0") [-n name] certflie ..." >&2
	}

	#!/bin/bash
	## Generic installation on all nodes

	sysctl -w net.ipv4.ip_forward=1
	sed -i 's/#net.ipv4.ip_forward=1/net.ipv4.ip_forward=1/g' /etc/sysctl.conf
	sudo sysctl -p /etc/sysctl.conf

	swapoff -a
	sed -i '2s/^/#/' /etc/fstab

	package mycompany.myappp.config;

	import org.apache.commons.io.IOUtils;
	import org.springframework.context.annotation.Configuration;
	import org.springframework.http.HttpInputMessage;
	import org.springframework.http.HttpOutputMessage;
	import org.springframework.http.MediaType;
	import org.springframework.http.converter.AbstractHttpMessageConverter;
	import org.springframework.http.converter.HttpMessageConverter;
	import org.springframework.http.converter.HttpMessageNotReadableException;

	#!/usr/bin/env python

	import gitlab
	from jira import JIRA
	import urllib3

	## Disable urllib3 ssl checks warnings
	urllib3.disable_warnings( urllib3.exceptions.InsecureRequestWarning )

	## GitLab config