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Elasticsearch-Manager

Elasticsearch-Manager provides both a commandline utility and libraries for performing basic management activities on an Elasticsearch cluster.

For a list of all supported actions, please run: $ elasticsearch-manager --help

Installation

gem install elasticsearch-manager

List IPs for all cluster members

$ elasticsearch-manager --cluster-hostname elasticsearch.example.com \
                        --port 9200 status \
                        list-nodes
10.0.0.3 -- master
10.0.0.1
10.0.0.2

Display the count of all shard states for each node in the cluster

$ elasticsearch-manager --cluster-hostname elasticsearch.example.com \
                        --port 9200 status \
                        shard-state
10.0.0.1:   STARTED: 8       INITIALIZING: 0    RELOCATING: 0
10.0.0.2:   STARTED: 8       INITIALIZING: 0    RELOCATING: 1
10.0.0.3:   STARTED: 7       INITIALIZING: 1    RELOCATING: 0

Check the current status of a cluster

$ elasticsearch-manager --cluster-hostname elasticsearch.example.com \
                        --port 9200 status \
                        status
The Elasticsearch cluster is currently: green

Restart a single node by ip or hostname

$ elasticsearch-manager --hostname localhost \
                        --port 9200 \
                        restart-node

If using a dns name, confirm that the dns resolves to a single host. If a record that references a load balancer is used, the behavior of this command is undefined.

Perform a rolling restart of a cluster

$ elasticsearch-manager --cluster-hostname elasticsearch.example.com \
                        --port 9200 status \
                        rolling-restart
Continue with rolling restart of cluster? (y/n) y

Restarting Elasticsearch on node: 10.0.0.1
Elasticsearch restarted on node: 10.0.0.1
Waiting for node to become available...
Node back up!
Waiting for cluster to stabilize...
Waiting for cluster to stabilize...
Cluster stabilized!
Continue with rolling restart of cluster? (y/n) y

Restarting Elasticsearch on node: 10.0.0.2
Elasticsearch restarted on node: 10.0.0.2
Waiting for node to become available...
Waiting for node to become available...
Node back up!
Waiting for cluster to stabilize...
Waiting for cluster to stabilize...
Waiting for cluster to stabilize...
Waiting for cluster to stabilize...
Cluster stabilized!

Restarting current cluster master, continue? (y/n) y

Restarting Elasticsearch on node: 10.0.0.3
Elasticsearch restarted on node: 10.0.0.3
Waiting for node to become available...
Waiting for node to become available...
Waiting for node to become available...
Waiting for node to become available...
Node back up!
Waiting for cluster to stabilize...
Cluster stabilized!

Disable routing allocation on the cluster

$ elasticsearch-manager --cluster-hostname elasticsearch.example.com \
                        --port 9200 status \
                        disable-routing
Disabling shard routing allocation... disabled!

Enable routing allocation on the cluster

$ elasticsearch-manager --cluster-hostname elasticsearch.example.com \
                        --port 9200 status \
                        enable-routing
Enabling shard routing allocation... enabled!