Sequence of commands to test forced shard allocation awareness

commands.txt

# Check if the allocation aareness settings can be seen through _cluster/settings
GET /_cluster/settings

# Verify that the specified node attributes are present
GET /_cat/nodeattrs

# Create 4 test indices with default settings - 1 primary shard and 1 replica shard
PUT /testindex1

PUT /testindex2

PUT /testindex3

PUT /testindex4

# Verify that shards are allocated according to allocation awareness
GET /_cat/shards/testindex*

# Increase the number of replicas for one of the indices to 2
PUT /testindex1/_settings
{
  "index" : {
    "number_of_replicas" : 2
  }
}

# Verify that the forced allocation awareness prevents the new shard to be allocated as there are only 2 zones configured
GET /_cat/shards/testindex*