redis source for pub-server and pub-generator - also provides cache for other sources
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redis source for pub-server and pub-generator - also provides cache for other sources

  • uses a redis hash to map file.path to file.text
  • supports non-FILE type (opaque) sources with simple key->data get and set
  • provides get() and put() for bulk reads and writes
  • also provides cache() to proxy-cache another source. This is useful for avoiding startup delays on slow/remote sources like github.


var src = require('pub-src-redis');

// instantiate source
// options become properties of source
var source = src( { name:'redis-source' } );

// use redis as a cache
source.cache(otherSource, { writeThru:false });

configuring redis keyname

  • the redis keyname is derived from || source.path

redis auth

  • auth configuration has to come from process.env.RCA
  • redis host and port can be configured the same way, or via and source.port
export RCA={auth-pass}
export RCH={host}
export RCP={port}


  • get() uses hgetall to fetch the entire hash in one async operation - no filtering is provided
  • the result is an array of file objects each with a path: and a text: property
  • the array is sorted alphabetically by path, as if the files came from a directory tree

source.put(files, cb)

  • put() does nothing unless writable is set on the source
  • it uses hmset to write an array of file objects, overwriting any existing files with the same path
  • there is no partial file write but the array may contain a subset of the files read via get()

source.cache(src, [cacheOpts])

  • interposes src.get() and src.put(), and also adds src.flush()

  • src.get() will read from src on the first call, and subsequently read only from redis, unless the option get({fromSource:true}, cb) is used

  • src.put() will write directly to redis. cacheOpts.writeThru means that put() will also write to src before returning

  • src.flush() writes ALL files from cache back to source - it does not remember which ones were written.


  • redis-specific api - used mainly for testing
  • deletes the key used by this src and everything in it - use with care


  • redis-specific api - e.g. used by pub -O
  • allows the server to exit after creating an instance of src-redis
  • for more information, see node_redis