Lee Hinman 58db63b610 Expose the ClusterInfo object in the allocation explain output
This adds an optional parameter to the cluster allocation explain API
that will return the cluster info object, `include_disk_info`, the
output looks like:

GET /_cluster/allocation/explain?include_disk_info -d'
{"index": "i", "shard": 0, "primary": false}'

{
  ... other info ...

  "cluster_info" : {
    "nodes" : {
      "7Uws-vL7R6WVm3ZwQA1n5A" : {
        "node_name" : "Kraven the Hunter",
        "least_available" : {
          "path" : "/path/to/data1",
          "total_bytes" : 165999570944,
          "used_bytes" : 118180614144,
          "free_bytes" : 47818956800,
          "free_disk_percent" : 28.80667493781158,
          "used_disk_percent" : 71.19332506218842
        },
        "most_available" : {
          "path" : "/path/to/data2",
          "total_bytes" : 165999570944,
          "used_bytes" : 118180614144,
          "free_bytes" : 47818956800,
          "free_disk_percent" : 28.80667493781158,
          "used_disk_percent" : 71.19332506218842
        }
      }
    },
    "shard_sizes" : {
      "[i][2][p]_bytes" : 0,
      "[i][4][p]_bytes" : 130,
      "[i][1][p]_bytes" : 0,
      "[i][3][p]_bytes" : 0,
      "[i][0][p]_bytes" : 130
    },
    "shard_paths" : {
      "[i][3], node[7Uws-vL7R6WVm3ZwQA1n5A], [P], s[STARTED], a[id=LegZLDniTVaw0Y1urv7s3g]" : "/path/to/data1/nodes/0",
      "[i][1], node[7Uws-vL7R6WVm3ZwQA1n5A], [P], s[STARTED], a[id=lAU_4vf_SKmoRdtg0ACnjQ]" : "/path/to/data1/nodes/0",
      "[i][2], node[7Uws-vL7R6WVm3ZwQA1n5A], [P], s[STARTED], a[id=Aurpeuj7SeGeyPDDpCtRgg]" : "/path/to/data1/nodes/0",
      "[i][0], node[7Uws-vL7R6WVm3ZwQA1n5A], [P], s[STARTED], a[id=Vgg8GlQTQ82C2j6HYBq8DQ]" : "/path/to/data1/nodes/0",
      "[i][4], node[7Uws-vL7R6WVm3ZwQA1n5A], [P], s[STARTED], a[id=t8hQlVSxQe-58fSeaXcAqg]" : "/path/to/data1/nodes/0"
    }
  }
}

Resolves #14405
2016-07-12 15:52:20 -06:00
..
2016-06-24 22:03:03 -07:00
2016-06-17 14:31:03 -07:00
2016-05-27 06:03:35 -04:00