default index template with all default settings for snapdeal cluster

default_index_template.js

/*
PUT request to /_template/default_template with below body..

remove comments, it won't work.. comments are for clarification..
*/

{
    "template": "*",
    "settings": {
        "number_of_shards": 2, // default number of shards is set to 2
        "index": {
            "analysis": {
                "analyzer": { // Custom Analyzer with keyword tokenizer and lowercase filter, same as not_analyzed but case insensitive
                    "case_insensitive_keyword_analyzer": {
                        "tokenizer": "keyword",
                        "filter": "lowercase"
                    }
                }
            }
        }
    },
    "mappings": {
        "datapoints": {
            "dynamic_templates": [ // dynamic template the makes all string fields behave like multifield, with one field not_analyzed, and another use our custom analyzer
                {
                    "default_string_field_mapping": {
                        "mapping": {
                            "type": "multi_field",
                            "fields": {
                                "{name}": { // default analyzer.. not_analyzed..
                                    "type": "string",
                                    "index": "not_analyzed"
                                },
                                "case_insensitive": { // name.case_insensitive.. to get case insensitive keyword analyzer
                                    "type": "string",
                                    "index": "analyzed",
                                    "analyzer": "case_insensitive_keyword_analyzer"
                                }
                            }
                        },
                        "match_mapping_type": "string",
                        "match": "*"
                    }
                }
            ],
            "_all": { // we can disable _all, we don't need that..
                "enabled": false
            }
        }
    },
    "aliases": { // every index will have a default index alias, whose name gets -alias appeneded to it..
        "{index}-alias": {}
    }
}

final_index_template.js

/*
PUT requests to /_template/name_of_the_template
*/

////////////////// number_of_shards_template ////////////////////////////
/*
PUT request to /_template/default_number_of_shards_template
*/

{
    "template": "*",
    "settings": {
        "number_of_shards": 2
    }
}

///////////////////////////////////////////////////////////////////////

///////////////// index-alias template ////////////////////////////////
/*
PUT request to /_template/index_aliases_template
*/

{
    "template": "*",
    "aliases": {
        "{index}-alias": {}
    }
}

//////////////////////////////////////////////////////////////////////

///////////////// default datapoints mapping template /////////////////
/*
PUT request to /_template/default_datapoints_mapping_template
*/

{
    "template": "*",
    "settings": {
        "index": {
            "analysis": {
                "analyzer": {
                    "case_insensitive_keyword_analyzer": {
                        "tokenizer": "keyword",
                        "filter": "lowercase"
                    }
                }
            }
        }
    },
    "mappings": {
        "datapoints": {
            "dynamic_templates": [
                {
                    "string_not_analyzed": {
                        "mapping": {
                            "type": "multi_field",
                            "fields": {
                                "{name}": {
                                    "type": "string",
                                    "index": "not_analyzed"
                                },
                                "case_insensitive": {
                                    "type": "string",
                                    "index": "analyzed",
                                    "analyzer": "case_insensitive_keyword_analyzer"
                                }
                            }
                        },
                        "match_mapping_type": "string",
                        "match": "*"
                    }
                }
            ],
            "_all": {
                "enabled": false
            }
        }
    }
}

/////////////////////////////////////////////////////////////////////////////////////