tsonglew

## a k8s operator tutorial: https://betterprogramming.pub/build-a-kubernetes-operator-in-10-minutes-11eec1492d30

# create kubernetes cluster in docker
kind create cluster --image=kindest/node:v1.21.2

# load curve2operator image to kind node
kind load docker-image curve2operator/curve-operator:v1.0.6

tsonglew

import com.google.gson.Gson;
import com.google.gson.stream.JsonReader;
import io.grpc.ManagedChannel;
import io.grpc.ManagedChannelBuilder;
import org.springframework.core.io.DefaultResourceLoader;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;

import java.io.IOException;
import java.io.InputStreamReader;

tsonglew

# docker-compose -f ./zookeeper.yml up -d

version: '3'
services:
  zookeeper:
    image: zookeeper
    ports:
      - 2181:2181
    restart: on-failure

tsonglew

import argparse
import json
import sys
import time
from multiprocessing.connection import Client, Listener

parser = argparse.ArgumentParser()
parser.add_argument("--type", type=str)
args = parser.parse_args()

tsonglew

import numpy as np
import wave

def wav2pcm(wavfile, pcmfile, data_type=np.int16):
    f = open(wavfile, "rb")
    f.seek(0)
    f.read(44)
    data = np.fromfile(f, dtype= data_type)
    data.tofile(pcmfile)

tsonglew

$ env PYENV_DEBUG=1 pyenv install -v 3.6.4
+(/usr/local/bin/pyenv:23): enable -f /usr/local/bin/../libexec/pyenv-realpath.dylib realpath
+(/usr/local/bin/pyenv:30): '[' -z '' ']'
++(/usr/local/bin/pyenv:32): type -p greadlink readlink
++(/usr/local/bin/pyenv:32): head -1
+(/usr/local/bin/pyenv:32): READLINK=/usr/bin/readlink
+(/usr/local/bin/pyenv:33): '[' -n /usr/bin/readlink ']'
+(/usr/local/bin/pyenv:58): '[' -z /Users/kasheemlew/.pyenv ']'
+(/usr/local/bin/pyenv:61): PYENV_ROOT=/Users/kasheemlew/.pyenv
+(/usr/local/bin/pyenv:63): export PYENV_ROOT

tsonglew

package main

import (
        "crypto/rand"
        "errors"
        "flag"
        "fmt"
        "io"
        "net"

tsonglew

version: '3'
services:
  etcd1:
    image: "quay.io/coreos/etcd:v3.4.7"
    entrypoint: /usr/local/bin/etcd
    command:
      - '--name=etcd1'
      - '--data-dir=/etcd_data'
      - '--initial-advertise-peer-urls=http://etcd1:2380'
      - '--listen-peer-urls=http://0.0.0.0:2380'

tsonglew

#!/bin/bash

echo "Will purge logs on ${IPS[@]}"
echo "Using SSHUSER: ${SSHUSER}, SSHKEY_PATH: ${SSHKEY_PATH}, ${SSHPORT}"
for ip in "${IPS[@]}";
do
echo "Running purge docker on ${ip}"
ssh -i ${SSHKEY_PATH} -o StrictHostKeyChecking=no ${SSHUSER}@${ip} -p${SSHPORT} << 'ENDSSH'
export DOCKER_PATH_PREFIX="/var/lib/docker/containers/"
for id in $(sudo ls ${DOCKER_PATH_PREFIX});

tsonglew

FROM golang:alpine AS builder

# Set necessary environmet variables needed for our image
ENV GO111MODULE=on \
    CGO_ENABLED=0 \
    GOOS=linux \
    GOARCH=amd64 \
    GOPROXY=https://goproxy.cn

# Move to working directory /build