olivernadj

#!/usr/bin/env bash

cat <<EOF | kind create cluster --config=-
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
name: certman
nodes:
- role: control-plane
  kubeadmConfigPatches:
  - |

olivernadj

Read-only debugging production server with ProxySQL

ProxySQL settings

docker-compose.yml

  proxysql:
    image: proxysql/proxysql
    ports:
      - 16032:6032

olivernadj

tags
Golang

Week 3.3 Assignment: Multiplayer Simon Says - A Game using gRPC and Kubernetes.

Implement a Simon Says game with gRPC streaming and create a deploy script for Kibernetes

Pre-request

olivernadj

Deployment

Build

docker build -t echo-server .
docker tag echo-server olivernadj/echo-server
docker push olivernadj/echo-server

Run

olivernadj

tags
Golang, Swagger, Prometheus, Grafana

Week 2.2 Lab: High performance API

During this lab we will generate Go API from swagger and build a monitoring services around. Thanks to monitoring we can measure the performance of our API in real time.

Pre-request

olivernadj

swagger: "2.0"
info:
  description: "This is an API of a secret service. You can save your secret by using the API. You can restrict the access of a secret after the certen number of views or after a certen period of time."
  version: "1.0.0"
  title: "Secret Server"
host: "api.your-secret-server.com"
basePath: "/v1"
tags:
- name: "secret"
  externalDocs:

olivernadj

package main

import (
	"flag"
	"fmt"
	"gopkg.in/yaml.v2"
	"io/ioutil"
	"log"
	"net/http"
	"os"

olivernadj

package main

import (
	"flag"
	"fmt"
	"io"
	"io/ioutil"
	"os"
	"path"
)

olivernadj

import timeit

def hash_password_str(password):
    password_md5 = hashlib.md5(password.encode("utf-8")).hexdigest()
    for i in range(0, len(password_md5), 2):
        if password_md5[i] == "0":
            password_md5 = password_md5[0:i] + "c" + password_md5[i + 1 :]
    return password_md5
  
def hash_password_byte(password):

olivernadj

package main

import (
	"flag"
	"fmt"
	"io"
	"io/ioutil"
	"net/http"
	"os"
	"time"