Cayley Cookbook
Cayley is an open-source graph inspired by the graph database behind Freebase and Google's Knowledge Graph.
This cookbook sets up a Cayley instance through the Chef automation platform.
Supported Platforms
- Ubuntu 14.04 LTS
- Amazon
Supported Backends
- Memory
- MongoDB
- LevelDB (Coming soon!)
Attributes
| Key | Type | Default | Description |
|---|---|---|---|
node['cayley']['version'] |
String | 0.3.0 |
Version of Cayley to manage. |
node['cayley']['backend'] |
String | mem |
Determines the type of the underlying database. (mem |
node['cayley']['directory'] |
String | /opt/cayley |
Directory for Cayley to be installed |
node['cayley']['listen_host'] |
String | 0.0.0.0 |
The hostname or IP address for Cayley's HTTP server to listen on. |
node['cayley']['listen_port'] |
String | 64210 |
The port for Cayley's HTTP server to listen on. |
node['cayley']['read_only'] |
Boolean | false |
If true, disables the ability to write to the database using the HTTP API. |
node['cayley']['log_dir'] |
String | /var/log/cayley |
Location to store runtime and error log messages. |
node['cayley']['db_path'] |
String | /tmp/testdb |
Where the database actually lives. For mem, file location of initial data set. For mongodb, hostname and port. |
node['cayley']['db_options'] |
Object | {} |
Per-Database Options. |
Per-Database Options
Memory
No special options.
LevelDB
| Key | Type | Default | Description |
|---|---|---|---|
node['cayley']['db_options']['write_buffer_mb'] |
Integer | 20 |
The size in MiB of the LevelDB write cache. Increasing this number allows for more/faster writes before syncing to disk. Default is 20, for large loads, a recommended value is 200+. |
node['cayley']['db_options']['cache_size_mb'] |
Integer | 2 |
The size in MiB of the LevelDB block cache. Increasing this number uses more memory to maintain a bigger cache of triple blocks for better performance. |
MongoDB
| Key | Type | Default | Description |
|---|---|---|---|
node['cayley']['db_options']['database_name'] |
String | cayley |
The name of the database within MongoDB to connect to. Manages its own collections and indicies therein. |
Usage
cayley::setup
Include cayley in your node's run_list:
{
"run_list": [
"recipe[cayley::setup]"
]
}Or for OpsWorks:
Contributing
- Fork the repository on Github
- Create a named feature branch (i.e.
add-new-recipe) - Write you change
- Write tests for your change (if applicable)
- Run the tests, ensuring they all pass
- Submit a Pull Request
License and Authors
Author:: Sean Stavropoulos (sean.stavro@gmail.com)