Jaeger is a JSON encoded GPG encrypted key value store. It is useful for generating and keeping configuration files secure. Jaeger is written in Go.
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README.md

README.md

Jaeger

Jaeger is a JSON encoded GPG encrypted key value store. It is useful for generating and keeping configuration files secure. Jaeger is written in Go.

PaaS providers assume configuration settings should be stored as environment variables. There is nothing inherently wrong with this but it does assume your code base and application is set up to support reading settings from environment variables.

Jaeger simplifies this by providing a system for storing, managing and generating configuration files that applications commonly use.

A basic set of files consists of the following.

  • Template file. A file in Go text template format which holds the structure of the generated file.
    • Jaeger assumes the template file name is in the form filename.txt.jgrt where filename.txt is the file name of the generated file.
  • JSON encoded GPG encrypted key value store file. This file is managed using the jaegerdb program.
    • Jaeger assumes the template file name is in the form filename.txt.jgrdb where filename.txt is the file name of the generated file.

The best way to experience Jaeger is to run through the Quickstart below.

Jaeger uses the Go standard library except for the golang.org/x/crypto/openpgp package.

Stacker Pentecost: Haven't you heard Mr. Beckett? The world is coming to an end. So where would you rather die? Here? Or in a Jaeger!

-- Pacific Rim

Quickstart

Installation

Install Jaeger:

go get github.com/jyap808/jaeger/jaeger
go get github.com/jyap808/jaeger/jaegerdb

This will create the binaries jaeger and jaegerdb in your $GOPATH/bin directory.

Make standalone public and private GPG keys

Jaeger can also read public and private keys in ASCII armored format via command line flags. Here we are creating standalone GPG keys that Jaeger will use by default.

gpg --keyring ~/.gnupg/jaeger_pubring.gpg --secret-keyring ~/.gnupg/jaeger_secring.gpg --gen-key --no-default-keyring

Select:

(1) RSA and RSA (default)

Select:

What keysize do you want? 2048

Select:

Key is valid for? 0 

Enter:

Real name: Jaeger Test
Email address: jaeger@example.com
Comment:                         

Select:

(O)kay

Set a passphrase for the private key. eg. 'test passphrase'

Verify your keys were created OK

Secret key:

gpg --no-default-keyring --list-secret-keys --secret-keyring ~/.gnupg/jaeger_secring.gpg 

Public key:

gpg --no-default-keyring --list-keys --keyring ~/.gnupg/jaeger_pubring.gpg

Create a test Template file

Create test.txt.jgrt with contents:

datebase.username = dbuser
database.password = {{.DatabasePassword}}
field2.user = user2
field2.password = {{.Field2}}

Create an empty JSON GPG database

Jaeger can also read public and private keys in ASCII armored format via command line flags.

jaegerdb -init -j test.txt.jgrdb

Add some properties and values

jaegerdb -j test.txt.jgrdb -a DatabasePassword -v "This is the database password"

jaegerdb -j test.txt.jgrdb -a Field2 -v "This is field 2"

Take a look at the database file. Note that the values are encrypted:

cat test.txt.jgrdb

Generate a file

jaeger -i test.txt.jgrt -p "test passphrase"

Take a look at the generated file. Note that the decrypted values have now been injected:

cat test.txt

Change a property value

jaegerdb -j test.txt.jgrdb -c DatabasePassword -v "This is the NEW database password"

Regenerate the file

jaeger -i test.txt.jgrt -p "test passphrase"

Take a look at the newly generated file. Note that the generated file now has the new property value:

cat test.txt

More options

Use jaeger -h and jaegerdb -h to list all options.

License

Copyright (c) 2014 Julian Yap

MIT License