david-bc

const _ = require('lodash');
const fs = require('fs');

const inputFilename = process.argv[2] || 'input.csv';
const s = fs.readFileSync(inputFilename, 'utf8');

const urls = s.split('\n');

const urlPattern = /^https?:\/\/([^:/]+)(:\d+)?.*$/;
const secretsPattern = /\{\{\s*secrets\.([^\s}]+)}}/;

david-bc

// https://devhints.io/js-fetch

// Delete All Producers
fetch('/kadmin/api/manager/producers')
  .then(res => res.json())
  .then(data => {
    Promise.all(
      data.content.map(p => fetch(`/kadmin/api/manager/producers/${p.id}`, { method: 'DELETE' }))
    ).then(() => alert(`Deleted ${data.content.length} producers`))
})

david-bc

{
  "urlTemplate": "http://jsonplaceholder.typicode.com/posts?_page={{page}}&_limit={{limit}}",
  "method": "GET",
  "rateLimit": {
    "prefix": "jsonPosts::",
    "quota": 10,
    "interval": 1000
  },
  "caching": {},
  "inputs": [

david-bc

lowercaseOutputName: true
rules:
- pattern : kmf.services<type=(consume-service), name=single-cluster-monitor><>consume-availability-avg
  name: kafka_monitor_$1_consume_availability_avg_1m
- pattern : kmf.services<type=(consume-service), name=single-cluster-monitor><>([\w-]+)
  name: kafka_monitor_$1_$2
- pattern : kmf.services<type=(produce-service), name=single-cluster-monitor><>produce-error-rate-partition-([0-9]+)
  name: kafka_monitor_$1_produce_error_rate_partition
  labels:
    partition: "$2"

david-bc

# Note: we add the environment label to all of our metrics, but if you don’t have a similar label, you’ll need to remove all references to it
- name: kafka_sla_rules
  rules:
  - alert: kafka_sla_produce_availability
    expr: kafka_monitor_produce_service_produce_availability_avg_1m{environment!="loadtest"} < 1
    for: 5m
    labels:
      severity: page
    annotations:
      description: '{{ $labels.environment }} kafka produce availability is {{ $value }}'

david-bc

{
  "annotations": {
    "list": [
      {
        "$$hashKey": "object:2508",
        "builtIn": 1,
        "datasource": "-- Grafana --",
        "enable": true,
        "hide": true,
        "iconColor": "rgba(0, 211, 255, 1)",

david-bc

import {compose, createStore} from 'redux'
import rootReducer from './reducers'
// v v v v v +1 line v v v v v v
// npm install --save redux-localstorage
import persistState from 'redux-localstorage'
// ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^

const persistedSlices = ['auth', 'constants', 'myStuff']

david-bc

import java.nio.ByteBuffer;
import java.util.UUID;

public class UuidAdapter {
    public static byte[] getBytesFromUUID(UUID uuid) {
        ByteBuffer bb = ByteBuffer.wrap(new byte[16]);
        bb.putLong(uuid.getMostSignificantBits());
        bb.putLong(uuid.getLeastSignificantBits());

        return bb.array();

david-bc

{
  simpleDomainData1: { ... },
  simpleDomainData2: { ... },
  entities: {
    entityType1 : { ... },
    entityType2 : { ... }
  },
  ui: {
    uiSection1 : { ... },
    uiSection2 : { ... }

david-bc

const pad = (v, len) => _.padStart(v, len, '0')

const pName = d => `p${d.getFullYear()}${pad(d.getMonth() + 1, 2)}${pad(d.getDate(), 2)}`

const line = d => `    PARTITION ${pName(d)} VALUES LESS THAN (${d.getTime()}),`

let curr = new Date(2018, 0, 1)

_.range(365).map(i => line(new Date(curr.getFullYear(), curr.getMonth(), curr.getDate() + i))).join('\n')