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Configuring the server

The server's config file at $HOME/.config/camlistore/server-config.json is JSON. It can either be in simple mode (for basic configurations), or in low-level mode (for any sort of crazy configuration).

This page documents the simple configuration mode.

Configuration Keys & Values

Note, if you can't find what you're looking for here, check the API docs: /pkg/types/serverconfig.

auth: the authentication mechanism to use. Example values include:
- none: No authentication.
- localhost: Accept connections coming from localhost. On Linux, this means connections from localhost that are also from the same user as the user running the server.
- userpass:alice:secret: HTTP basic authentication. Username "alice", password "secret". Only recommended if using HTTPS.
- userpass:alice:secret:+localhost: Same as above, but also accept localhost auth
- userpass:alice:secret:vivify=othersecret: Alice has password "secret", but her Android phone can use password "othersecret" to do a minimal set of operations (upload new things, but not access anything)r
baseURL: Optional. If non-empty, this is the root of your URL prefix for your Camlistore server. Useful for when running behind a reverse proxy. Should not end in a slash. e.g. https://yourserver.example.com
https: if "true", HTTPS is used
- httpsCert: path to the HTTPS certificate file. This is the public file. It should include the concatenation of any required intermediate certs as well.
- httpsKey: path to the HTTPS private key file.
identity: your GPG fingerprint. A keypair is created for new users on start, but this may be changed if you know what you're doing.
identitySecretRing: your GnuPG secret keyring file. A new keyring is created on start for new users, but may be changed if you know what you're doing.
listen: The port (like "80" or ":80") or IP & port (like "10.0.0.2:8080") to listen for HTTP(s) connections on.
shareHandler: if true, the server's sharing functionality is enabled, letting your friends have access to any content you've specifically shared. Its URL prefix path defaults to "/share/".
shareHandlerPath: Optional. If non-empty, it specifies the URL prefix path to the share handler, and the shareHandler value is ignored (i.e the share handler is enabled). Example: "/public/".
runIndex: defaults to true. If "false", no search, no UI, no indexing. (These can be controlled at a more granular level by writing a low-level config file)
copyIndexToMemory: defaults to true. If "false", don't slurp the whole index into memory on start-up. Specifying false will result in certain queries being slow, unavailable, or unsorted (work in progress). This option may be unsupported in the future. Keeping this set to "true" is recommended.
sourceRoot: Optional. If non-empty, it specifies the path to an alternative Camlistore source tree, in order to override the embedded UI and/or Closure resources. The UI files will be expected in <sourceRoot>/server/camlistored/ui and the Closure library in <sourceRoot>/third_party/closure/lib.

Storage options

At least one of these must be set:

memoryStorage: if true, blobs will be stored in memory only. This is generally only useful for debugging & development.
blobPath: local disk path to store blobs. (valid for diskpacked too).
s3: "key:secret:bucket[/optional/dir]" or "key:secret:bucket[/optional/dir]:hostname" (with colons, but no quotes).
googlecloudstorage: "clientId:clientSecret:refreshToken:bucketName[/optional/dir]"

Additionally, there are two mutually exclusive options which only apply if blobPath is set:

packRelated: if true, blobs are automatically repacked for fast read access.
packBlobs: if true, diskpacked is used instead of the default filestorage.

For now, if more than one storage option is set, one of them is the primary storage and the other ones are set up as mirrors. The precedence order is the same as the order they are listed above.

Others aren't yet supported by the simple config mode. Patches to pkg/genconfig welcome.

Indexing options

Unless runIndex is set to false, exactly one of these must be set:

sqlite: path to SQLite database file to use for indexing
kvIndexFile: path to kv (https://github.com/cznic/kv) database file to use for indexing
levelDB: path to levelDB (https://github.com/syndtr/goleveldb) database file to use for indexing
mongo: user:password@host
mysql: user@host:password
postgres: user@host:password
memoryIndex: if true, a memory-only indexer is used.

Additionally, mongo, mysql, and postgres require the dbname value set. Initialize your database with camtool dbinit.

There's also an in-memory index type, but only in the low-level config, as used by devcam server.

Publishing options

Camlistore uses Go html templates to publish pages, and publishing can be configured through the publish key. There is already support for an image gallery view, which can be enabled similarly to the example below (obviously, the rootPermanode will be different).

"publish": {
  "/pics/": {
    "camliRoot": "mypics",
    "backendURL": "http://localhost:3178/",
    "cacheRoot": "/home/joe/var/camlistore/blobs/cache",
    "goTemplate": "gallery.html"
  }
}

See the serverconfig.Publish type for all the configuration parameters.

One can create any permanode with camput or the UI, and set its camliRoot attribute to the value set in the config, to use it as the root permanode for publishing.

Please see the publishing README if you want to make/contribute more publishing views.

Importers

Camlistore has several built-in importers, including:

Feeds (RSS, Atom, and RDF)
Flickr
Foursquare
Picasa
Pinboard
Twitter

These can be setup by visiting the "/importer/" URL prefix path, e.g. http://localhost:3179/importer/

Windows

The default configuration comes with SQLite for the indexer. However, getting mattn go-sqlite3 to work on windows is not straightforward, so we suggest using one of the other indexers, like MySQL.

The following steps should get you started with MySQL:

Dowload and install MariaDB or MySQL (the latter requires .NET).
Edit your server configuration file (if it does not exit yet, running camlistored will automatically create it):
- Remove the sqlite option.
- Add a dbname option. (ex: "dbname": "camliprod")
- Add a mysql option. (ex: "mysql": "foo@localhost:bar")
Create a dedicated user/password for your mysql server.
Initialize the database with camtool: camtool dbinit --user=foo --password=bar --host=localhost --dbname=camliprod --wipe

Setting up MongoDB is even simpler, but the MongoDB indexer is not as well tested as the MySQL one.

App Engine

Most configuration doesn't apply on App Engine as it's pre-configured to use the App Engine Blobstore and Datastore, as well as App Engine's user auth mechanisms. But as of 2013-06-12 we don't yet recommend running on App Engine; there are still some sharp corners.

The UI requires some static resources that are not included by default in the App Engine application directory (server/appengine/). You can define that directory in the server configuration file (server/appengine/config.json), with the sourceRoot parameter, like so:

  "/ui/": {
    "handler": "ui",
    "handlerArgs": {
      "sourceRoot": "dir_name",
      "jsonSignRoot": "/sighelper/"
    }
  },

You will then have to populate that directory with all the necessary resources (UI static files and closure library files).

Alternatively, you can run devcam appengine once, which will create and populate the default directory (server/appengine/source_root). Please see the CONTRIBUTING doc to build devcam.

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