Howto make Mongo SSL on Ubuntu 12.04

To make Mongo DB SSL on Ubuntu 12.04 you need to either purchase it or compile from source.

To make compiling from source easy here’s a script to help you out!

Mongo Compile SSL from Source Script

Note: Make sure you are not running an EC2 Small instance or you will run out of space!

#!/bin/bash
RELEASE=precise
ARCH=amd64
BASE=$PWD
VERSION=2.4.3
apt-get -y install git-core build-essential scons libssl-dev

# Grab the source code.
git clone git://github.com/mongodb/mongo.git
cd mongo
git checkout r$VERSION

# Build it with SSL enabled and mostly statically.
scons install --64 --ssl --release --no-glibc-check --prefix=$BASE/opt/mongo

mkdir $BASE/opt

# Pack it up.
cd $BASE/opt
tar czvf mongo-$VERSION-$RELEASE-$ARCH.tgz mongo/bin

Backup Current Instance

echo "dumping mongo db"
now=$(date +"%d_%m_%Y")
mkdir /root/${now}_mongodump
cd /root/${now}_mongodump
mongodump

Stopping Mongo

Single Instance

Try to stop mongodb via the service:

# service mongodb stop

Otherwise connect to your instance and tell it to shutdown:

[email protected]:~# mongo
MongoDB shell version: 2.4.2
connecting to: test
rsQA:PRIMARY> use admin
switched to db admin
rsQA:PRIMARY> db.shutdownServer({timeoutSecs: 1});

if you are running an HA Mongo with an arbiter

Determine the master, secondary and arbiter

[email protected]:~# mongo
MongoDB shell version: 2.4.2
connecting to: test
rsQA:PRIMARY>  db.isMaster()
{
        "setName" : "rsQA",
        "ismaster" : true,
        "secondary" : false,
        "hosts" : [
                "mongodb01:27017",
                "mongodb02:27017"
        ],
        "arbiters" : [
                "mongoarb03:27017"
        ],
        "primary" : "mongodb01:27017",
        "me" : "mongodb01:27017",
        "maxBsonObjectSize" : 16777216,
        "maxMessageSizeBytes" : 48000000,
        "localTime" : ISODate("2013-05-16T18:41:56.543Z"),
        "ok" : 1
}
rsQA:PRIMARY>

Shut down the arbiter, master, then secondary

Upgrade Mongo to 2.4.3

echo "Current Mongodb Version"
dpkg -s mongodb-10gen | grep -i "version"

echo "Removing Current Mongo DB Install"
apt-get remove mongodb-10gen

echo "updating packages"
apt-get update

echo "Installing Mongo 2.4.3"
apt-get install mongodb-10gen=2.4.3

Deploying the binaries

echo "Extracting built ssl binariess"
tar xzvf mongo-2.4.3-precise-amd64.tar.gz
cp ./mongo/bin/* /usr/bin

Setting up the SSL cert

To configure SSL for mongo you need to combine your PEM crt and key and modify your config file

Combining crt and key

cat some.key some.crt > /etc/ssl/mongo.pem

Have a godaddy cert? No problem!

 cat some.key some.crt gd_bundle.crt > /etc/ssl/mongo.pem 

Update your Mongo config file

echo "sslOnNormalPorts = true" >> /etc/mongodb.conf
echo "sslPEMKeyFile = /etc/ssl/mongo.pem" >> /etc/mongodb.conf

Final SSL in Mongo Config File

# cat /etc/mongodb.conf | grep -v "#" | grep -v "^$"
dbpath=/var/lib/mongodb
logpath=/var/log/mongodb/mongodb.log
logappend=true
sslOnNormalPorts = true
sslPEMKeyFile = /etc/ssl/mongo.pem

Problems accessing the console?

That’s good! That means you are using SSL!! Here’s the error you are probably getting:

[email protected]:~# mongo
MongoDB shell version: 2.4.3
connecting to: test
Thu May 16 18:34:21.375 Socket recv() errno:104 Connection reset by peer 127.0.0.1:27017
Thu May 16 18:34:21.375 SocketException: remote: 127.0.0.1:27017 error: 9001 socket exception [1] server [127.0.0.1:27017]
Thu May 16 18:34:21.376 DBClientCursor::init call() failed
Thu May 16 18:34:21.377 JavaScript execution failed: Error: DBClientBase::findN: transport error: 127.0.0.1:27017 ns: admin.$cmd query: { whatsmyuri: 1 } at src/mongo/shell/mongo.js:L112
exception: connect failed

Accessing the Mongo console after ssl binares are installed

[email protected]:~# mongo --ssl
MongoDB shell version: 2.4.3
connecting to: test
rsQA:PRIMARY>

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