Tommy Byrd tcbyrd

AWS CLI command to update CNAME

When you have a set of application servers running in EC2 in an active/passive configuration, the easiest way to failover is to simply update the DNS to point to the second server as soon as it's available to serve requests. If you are using Route 53 to manage your DNS configuration, with the AWS CLI you can make this change in a single command.

Initial Setup

Install the AWS CLI
Login with an account that has an IAM Policy that gives it access to the Route53 Service
Get the HostedZoneID for the domain you want to update from the AWS console here: https://console.aws.amazon.com/route53/home#hosted-zones:

The CLI expects the change to be submitted via a JSON-formatted configuration file. I've inclu

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Upload the license and set initial password once the image is accessible via IP (API Reference)

# Setup license and management console password
curl -X POST "https://${GHE_IP}:8443/setup/api/start" -k -F license=@./github-enterprise.ghl -F "password=${GHE_PWD}"

Apply settings through the Management Console API using a settings.json file (API Reference)

curl -L -X PUT "https://api_key:${GHE_PWD}@${GHE_IP}:8443/setup/api/settings" --data-urlencode "settings=`cat ./settings.json`" -k

	# Pass the URL for an Organization into the query
	# to get a list of members in a specific Organization.
	# Example: { "url": "https://github.com/:organization" }
	query getResource($url: URI!) {
	resource(url: $url) {
	... on Organization {
	samlIdentityProvider {
	externalIdentities(first:10) {
	nodes {
	scimIdentity {

	const octokit = require('@octokit/rest')()
	const token = process.env.OCTOKIT_TOKEN

	octokit.authenticate({ type: 'token', token })

	async function getInvitations (org) {
	try {
	let result = await octokit.repos.getForOrg({org, per_page: 100})
	let repos = result.data

	{
	"version": 2,
	"builds": [
	{ "src": "probot.js", "use": "@now/node" }
	],
	"env": {
	"GITHUB_TOKEN": "@github-token",
	"APP_ID": "@app-id",
	"PRIVATE_KEY": "@private-key-base64"
	},

	{
	node(id: $nodeId) {
	... on Repository {
	pinnedIssues(first: 10) {
	nodes {
	issue {
	title
	body
	}
	}