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MicroService Proxy Gateway Solutions

Kong, Traefik, Caddy, Linkerd, Fabio, Vulcand, and Netflix Zuul seem to the most common in microservice proxy/gateway solutions. Kubernetes Ingress is often a simple Ngnix, which is difficult to seperate the popularity from other things.

Github Star Trend:

This is just a picture of this link from July 13, 2017

Service Mesh vs Reverse Proxy

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You can find the MAC address for LAN1/eth0 (not the BMC MAC) via the SuperMicro IPMI interface by running the following command:

$ ipmitool -U $IPMI_USER -P $IPMI_PASS -H $IPMI_HOST raw 0x30 0x21 | tail -c 18

The eth0 MAC address will be output in this format:

00 25 90 f0 be ef

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#!/usr/bin/env/python
# 
# More of a reference of using jinaj2 without actual template files.
# This is great for a simple output transformation to standard out.
#
# Of course you will need to "sudo pip install jinja2" first!
#
# I like to refer to the following to remember how to use jinja2 :)
# http://jinja.pocoo.org/docs/templates/
#

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package main

import (
	"log"
	"net/smtp"
)

func main() {
	send("hello there")
}

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#!/bin/bash

compass_work_dir=$1
if [[ $compass_work_dir == "" ]]; then
    echo "Please Run: $0 <compass_work_dir>"
    exit 1
fi
cd $compass_work_dir
COMPASS_WORK_DIR=$(pwd)

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Kolla Multinode Local Registry Setup

Deploy node setup

install and configure docker

curl -sSL https://get.docker.io | bash
mkdir -p /etc/systemd/system/docker.service.d
tee /etc/systemd/system/docker.service.d/kolla.conf <<-'EOF'

[Service]

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国内 centos rpm python 源配置

rpm 原配置

163 centos 源帮助链接

http://mirrors.163.com/.help/centos.html

备份原始 CentOS-Base.repo 文件

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文件比较，高亮显示差异

colordiff installation:

• Linux: sudo apt-get install colordiff
• OS X: brew install colordiff

colordiff usage:

diff -u old new | colordiff

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# pull and run yardstick continer
docker pull opnfv/yardstick
docker run -it opnfv/yardstick bash

# export compass credential
export OS_PASSWORD=console
export OS_TENANT_NAME=admin
export OS_AUTH_URL=http://172.16.1.222:35357/v2.0
export OS_USERNAME=admin
export OS_VOLUME_API_VERSION=2

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yardstick release b test cases and metrics

Compute

• Latency for random memory access [lmbench]
• Latency for cache read/write operations [lmbench C release]
• Processing speed (instructions per second) [unixbench]
• Throughput for random memory access (bytes per second) [lmbench]

memory latency lmbench