cpilsworth

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <!-- ====================================================================== -->
    <!-- P R O J E C T  D E S C R I P T I O N                                   -->
    <!-- ====================================================================== -->
    <groupId>uk.co.diffa.contentsync</groupId>
    <artifactId>sync</artifactId>

cpilsworth

Configuring java for an A+ ssllabs.com server rating

It never used to be possible to get an A+ rating, as Java missed a couple of necessary features

Setting up the server

Getting Java 9

wget http://download.java.net/java/GA/jdk9/9/binaries/jdk-9+181_linux-x64_bin.tar.gz

Getting the LetsEncrypt/EFF certbot

cpilsworth

'use strict';
exports.handler = (event, context, callback) => {

    // Get request and request headers
    const request = event.Records[0].cf.request;
    const headers = request.headers;

    // Configure authentication
    const authUser = 'user';
    const authPass = 'pass';

cpilsworth

package com.sample.osgi;

import java.util.Map;

import org.apache.felix.scr.annotations.Activate;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Modified;
import org.apache.felix.scr.annotations.Property;

@Component(label = "Service Label", description = "Service Description", metatype = true, immediate = true)

cpilsworth

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.myapp</groupId>
    <artifactId>jjwt</artifactId>
    <version>0.6.0</version>
    <packaging>bundle</packaging>
    <name>JSON Web Token support for the JVM</name>
    <description>
        This bundle simply wraps ${pkgGroupId}-${pkgVersion}.jar and makes android.util optional
    </description>

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<sly data-sly-use.form="test.js"></sly>
sly data-sly-test.errors="${form.validate}"></sly>
<sly data-sly-test="${errors}">${form.renderForm}</sly>
<sly data-sly-test="${!errors}">${form.redirectSuccess}</sly>

cpilsworth

Internet Scale Services Checklist

A checklist for designing and developing internet scale services, inspired by James Hamilton's 2007 paper "On Desgining and Deploying Internet-Scale Services."

• http://mvdirona.com/jrh/talksandpapers/jamesrh_lisa.pdf

Basic tenets

• Does the design expect failures to happen regularly and handle them gracefully?
• Have we kept things as simple as possible?

cpilsworth

package uk.co.diffa; 

import org.apache.felix.scr.annotations.Activate;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.Service;
import org.apache.sling.api.resource.LoginException;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.api.resource.ResourceResolverFactory;

cpilsworth

Note 1: The following CQ curl commands assumes a admin:admin username and password.
Note 2: For Windows/Powershell users: use two "" when doing a -F cURL command.
        Example: -F"":operation=delete""
Note 3: Quotes around name of package (or name of zip file, or jar) should be included.

Uninstall a bundle (use http://localhost:4505/system/console/bundles to access the Apache Felix web console)
        curl -u admin:admin -daction=uninstall http://localhost:4505/system/console/bundles/"name of bundle"

Install a bundle
        curl -u admin:admin -F action=install -F bundlestartlevel=20 -F 

cpilsworth

# Remove the file metadata included in TAR files
gci . -r -include ._* -force | remove-item -r -force

# Remove SVN files from a project directory tree
# http://stackoverflow.com/questions/2210193/powershell-how-to-recursivelly-delete-all-svn-files
gci . -r -include .svn -force | remove-item -r -force