# mongoscope-client

[![build status](https://secure.travis-ci.org/imlucas/mongoscope-client.png)](http://travis-ci.org/imlucas/mongoscope-client)

A client for wielding [mongoscope](http:github.com/10gen/mongoscope) like the hammer of thor.

[Codepen Collection of Examples](http://codepen.io/collection/Gdeok/)

```
npm install --save mongoscope-client
```

## API

```javascript
var mongoscope = require('mongoscope-client')();
```

### Configuration

```javascript
var mongoscope = require('mongoscope-client')(opts);
```

#### Parameters

- `opts` (optional, Object)
  - `scope` = `http://localhost:29017` (optional, String) ...
    Where mongoscope-server is running
  - `seed` = `localhost:27017` (optional, String) ... MongoDB instance
    hostport string to default connections to.  *Note:* DNS is relative to mongoscope-server!

### mongoscope.instance(fn)

![production](http://b.repl.ca/v1/stability-production-green.png)

Get details of the instance you're currently connected to
like database_names, results of the hostInfo and buildInfo mongo commands.
#### Parameters

- `fn` (required, Function) ... Called when the request is complete `(err, data)`

### mongoscope.deployments(fn)

![production](http://b.repl.ca/v1/stability-production-green.png)

List all deployments this mongoscope instance has connected to.

#### Parameters

- `fn` (required, Function) ... Called when the request is complete `(err, data)`

### mongoscope.sharding(fn)

![development](http://b.repl.ca/v1/stability-development-yellow.png)

Get the sharding info for the cluster the instance you're connected
to is a member of, similar to the `printShardingStatus()` helper function
in the mongo shell.

#### Examples

- [Sharding Report](http://codepen.io/imlucas/pen/JgzAh)

#### Parameters

- `fn` (required, Function) ... Called when the request is complete `(err, data)`

### mongoscope.replication(fn)

![development](http://b.repl.ca/v1/stability-development-yellow.png)

View current state of all members and oplog details.
#### Parameters

- `fn` (optional, Function) ... Called when the request is complete `(err, data)`

### mongoscope.oplog(opts, fn)

![prototype](http://b.repl.ca/v1/stability-prototype-orange.png)

Get oplog entries.

#### Parameters

- `opts` (optional, Object) ...
    - `since` (Number)
    - `filters` (Array)

- `fn` (optional, Function) ... Called when the request is complete `(err, data)`

### mongoscope.top(opts, fn)

![development](http://b.repl.ca/v1/stability-development-yellow.png)

Capture the deltas of top over `opts.interval` ms.

#### Parameters

- `opts` (optional, Object) ...
    - `interval` (Number)

- `fn` (optional, Function) ... Called when the request is complete `(err, data)`

### mongoscope.log(fn)

![development](http://b.repl.ca/v1/stability-development-yellow.png)

A structured view of the ramlog.

#### Parameters

- `fn` (optional, Function) ... Called when the request is complete `(err, data)`

### mongoscope.database(name, fn)

![production](http://b.repl.ca/v1/stability-production-green.png)

List collection names and stats.

#### Parameters

- `name` (required, String)
- `fn` (required, Function) ... Called when the request is complete `(err, data)`

### mongoscope.collection(ns, fn)

![production](http://b.repl.ca/v1/stability-production-green.png)

Collection stats

#### Parameters

- `ns` (required, String)
- `fn` (required, Function) ... Called when the request is complete `(err, data)`

### mongoscope.ops(fn)

![development](http://b.repl.ca/v1/stability-development-yellow.png)

List currently running operations.

#### Parameters

- `fn` (optional, Function) ... Called when the request is complete `(err, data)`

### mongoscope.destroyOp(opId, fn)

![development](http://b.repl.ca/v1/stability-development-yellow.png)

Kill a currently running operation.

#### Parameters

- `opId` (required, Number)
- `fn` (required, Function) ... Called when the request is complete `(err, data)`

### mongoscope.index(ns, name, fn)

![prototype](http://b.repl.ca/v1/stability-prototype-orange.png)

Index details

#### Parameters

- `ns` (required, String)
- `name` (required, String) ... The index name
- `fn` (required, Function) ... Called when the request is complete `(err, data)`

### mongoscope.document(ns, _id, fn)

![prototype](http://b.repl.ca/v1/stability-prototype-orange.png)

Get a document

#### Parameters

- `ns` (required, String)
- `_id` (required, String)
- `fn` (required, Function) ... Called when the request is complete `(err, data)`

#### Todo

- [ ] Need to get extended JSON support sorted before moving forward.

### mongoscope.find(ns, opts, fn)

![production](http://b.repl.ca/v1/stability-production-green.png)

Run a query on `db.collection`.

#### Parameters

- `ns` (required, String)
- `opts` (optional, Object) ...
    - `query` (Object)
    - `limit` (Number)
    - `skip` (Number)
    - `explain` (Boolean)
    - `sort` (Object)
    - `fields` (Object)
    - `options` (Object)
    - `batchSize` (Number)

- `fn` (optional, Function) ... Called when the request is complete `(err, data)`

### mongoscope.count(ns, opts, fn)

![production](http://b.repl.ca/v1/stability-production-green.png)

Run a count on `db.collection`.

#### Parameters

- `ns` (required, String)
- `opts` (required, Object)
- `fn` (required, Function)

### mongoscope.aggregate(ns, pipeline, opts, fn)

![development](http://b.repl.ca/v1/stability-development-yellow.png)

Run an aggregation pipeline on `db.collection`.

#### Examples

- [Run an aggregation and chart it](http://codepen.io/imlucas/pen/BHvLE)

#### Parameters

- `ns` (required, String)
- `pipeline` (required, Array)
- `opts` (required, Object)
- `fn` (required, Function) ... Called when the request is complete `(err, data)`

### mongoscope.sample(fn)

undefined

Use [resevoir sampling](http://en.wikipedia.org/wiki/Reservoir_sampling) to
 get a slice of documents from a collection efficiently.
#### Parameters

- `fn` (required, Function) ... Called when the request is complete `(err, data)`

### mongoscope.random(ns, opts, fn)

![prototype](http://b.repl.ca/v1/stability-prototype-orange.png)

Convenience to get 1 document via `Client.prototype.sample`.

#### Parameters

- `ns` (required, String)
- `opts` (required, Object)
- `fn` (required, Function) ... Called when the request is complete `(err, data)`

### mongoscope.analytics(group, fn)

![prototype](http://b.repl.ca/v1/stability-prototype-orange.png)

Get or stream a group of analytics.

#### Parameters

- `group` (required, String) ... One of `Client.prototype.analytics.groups`
- `fn` (optional, Function) ... Called when the request is complete `(err, data)`

### mongoscope.workingSet(fn)

![prototype](http://b.repl.ca/v1/stability-prototype-orange.png)

Working set size estimator.

#### Parameters

- `fn` (required, Function) ... Called when the request is complete `(err, data)`

### mongoscope.get(fragment, params, fn)

![development](http://b.repl.ca/v1/stability-development-yellow.png)

Route `fragment` to a call on `Client.prototype`, which is substantially
easier for users on the client-side.  More detailled usage is available
in the [backbone.js adapter](/lib/backbone.js).

#### Parameters

- `fragment` (required, String) ... One of `Client.prototype.routes`
- `params` (optional, Object)
- `fn` (optional, Function)

### mongoscope.backbone

![production](http://b.repl.ca/v1/stability-production-green.png)

Get an instance of the backbone adapter bound to this client instance.

#### Examples

- [Backbone.js adapter](http://codepen.io/imlucas/pen/Ltigv)

### mongoscope.connect(seed, fn)

![development](http://b.repl.ca/v1/stability-development-yellow.png)

Point at a difference instance, only replacing the token object
so all of your event listeners remain intact.

#### Parameters

- `seed` (required, String)
- `fn` (required, Function) ... Called when the request is complete `(err, data)`