zpratt

• learn go with tests: https://quii.gitbook.io/learn-go-with-tests/
• prometheus go client: https://prometheus.io/docs/guides/go-application/
• example of test for k8s client: https://github.com/profefe/kube-profefe/blob/master/pkg/kubeutil/kube_test.go
• brigade (k8s events): https://github.com/brigadecore/brigade
• structuring go applications: https://medium.com/@benbjohnson/structuring-applications-in-go-3b04be4ff091
• tests for admission webhooks: https://github.com/elithrar/admission-control/blob/master/admit_funcs_test.go
• node exporter prometheus logic: https://github.com/prometheus/node_exporter/blob/master/node_exporter.go

unsolved

zpratt

example of invoking the api-server from a pod

• kubectl run -n example-node-helm --rm -it api-test --image=ubuntu -- /bin/bash
• wget --debug --header="Authorization: Bearer $(cat /var/run/secrets/kubernetes.io/serviceaccount/token)" --ca-certificate=/var/run/secrets/kubernetes.io/serviceaccount/ca.crt -O - https://kubernetes.default.svc/api/v1/namespaces/example-node-helm/pods

references

• https://github.com/newrelic/k8s-webhook-cert-manager
• https://github.com/kelseyhightower/certificate-init-container/blob/master/deployments/tls-app.yaml
• https://github.com/helm/charts/blob/master/stable/cockroachdb/templates/job.init.yaml

other notes

zpratt

vsphere_user="user"
vsphere_password="pass"
vsphere_host = "127.0.0.1:8989"
datacenter = "DC0"
cluster = "DC0_H0"
datastore = "datastore/LocalDS_0"
clustered_datastore = ""
network = "network/VM Network"
gateway = "192.168.1.1"
vm_folder = "vcsim-test-folder"

zpratt

/**
 * @jsx React.DOM
 */

'use strict';

var OverlayFactory = require('async-google-maps').BaseOverlayFactory,
    React = require('react');

module.exports = React.createClass({

zpratt

'use strict';

var google = global.google;

module.exports = {
    create: function (mapContainer, options) {
        return new Promise(function (resolve) {
            var mapInstance = new google.maps.Map(mapContainer, options);

            google.maps.event.addListenerOnce(mapInstance, 'idle', function () {

zpratt

'use strict';

var BaseOverlay = require('./base-overlay');

module.exports = {
    create: function (options) {
        var overlayInstance = new BaseOverlay(options);

        overlayInstance.setMap(options.map);
    }

zpratt

'use strict';

var google = global.google;

function positionOverlayByDimensions(projectedLatLng) {
    var offsetHeight = this.el.offsetHeight,
        offsetWidth = this.el.offsetWidth;

    this.el.style.top = projectedLatLng.y - offsetHeight + 'px';
    this.el.style.left = projectedLatLng.x - Math.floor(offsetWidth / 2) + 'px';

zpratt

BaseOverlay.prototype.onAdd = function () {
    var panes = this.getPanes();

    panes.overlayLayer.appendChild(this.el);
};

zpratt

function positionOverlayByDimensions(projectedLatLng) {
    var offsetHeight = this.el.offsetHeight,
        offsetWidth = this.el.offsetWidth;

    this.el.style.top = projectedLatLng.y - offsetHeight + 'px';
    this.el.style.left = projectedLatLng.x - Math.floor(offsetWidth / 2) + 'px';
}

BaseOverlay.prototype.draw = function () {
    var projection = this.getProjection(),

zpratt

function BaseOverlay(options) {
    var point = options.point;

    this.el = options.el;
    this.point = new google.maps.LatLng(point.lat, point.lng);

    this.el.style.position = 'absolute';
}

BaseOverlay.prototype = Object.create(google.maps.OverlayView.prototype);