How I specify the Fiware-Service and Fiware-ServicePath fields at Orion that set the name of MySQL database and table in Cygnus? - fiware

Question

So far I have configured ContextBroker to send data to Cygnus which in turn saves data by default names in database.
But what if I want to target a specific database with a specific table?
I know I have to set:
dbName=<fiware-service>
tableName=<fiware-servicePath>_<entityId>_<entityType>
I dont know where that file is, and I know it isnt in /etc/sysconfig/contextBroker because that folder doesnt exist.
EDIT1: here is my updatecontext:
(curl localhost:1026/NGSI10/updateContext -s -S --header 'Content-Type: application/json' --header 'Accept: application/json' --header 'Fiware-Service: FiwareDatabase' --header 'Fiware-ServicePath: /AllSensors' -d #- ) <<EOF
{
"contextElements": [
{
"type": "Television",
"isPattern": "false",
"id": "TV2",
"attributes": [
{
"name": "channel",
"type": "integer",
"value": "14"
},
{
"name": "volume",
"type": "float",
"value": "9"
}
]
}
],
"updateAction": "APPEND"
}
EOF
As I said the table does get automatically created but the database doesnt.

Answer 1

Fiware-Service and Fiware-ServicePath are set at entity creation time using HTTP headers in the entity creation REST request. Please have a look to the following sections in the Orion User Manual:
Service
Service path
UPDATE: for example, in order to create an entity in service "servA" and service path "/path1" you could use the example shown in the create entity section in the manual adding two additionals HTTP headers to the curl line:
(curl localhost:1026/v1/updateContext -s -S --header 'Content-Type: application/json' --header 'Accept: application/json' --header 'Fiware-Service: servA' --header 'Fiware-ServicePath: /path1' -d #- | python -mjson.tool) <<EOF
...
That would make to insert information in the following MySQL database/table (assuming that Cygnus is well configured, subscriptions are correct, etc.):
dbName=servA
tableName=path1_<entityId>_<entityType>
Note that the default behaviour is to store the information for each entity in a different table. That default behaviour can be changed, but if you are interested in that possibility, please create a new question in StackOverflow for dealing with that.