[Backlogmanager] [FIWARE-JIRA] (HELP-13836) [fiware-stackoverflow] Problems running Cygnus with Postgresql

[Andres Muñoz (JIRA)]

     [ https://jira.fiware.org/browse/HELP-13836?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andres Muñoz updated HELP-13836:
--------------------------------
    Status: Answered  (was: In Progress)

> [fiware-stackoverflow] Problems running Cygnus with Postgresql
> --------------------------------------------------------------
>
>                 Key: HELP-13836
>                 URL: https://jira.fiware.org/browse/HELP-13836
>             Project: Help-Desk
>          Issue Type: Monitor
>          Components: FIWARE-TECH-HELP
>            Reporter: Backlog Manager
>            Assignee: Andres Muñoz
>              Labels: fiware, fiware-cygnus, postgresql
>
> Created question in FIWARE Q/A platform on 02-03-2018 at 15:03
> {color: red}Please, ANSWER this question AT{color} https://stackoverflow.com/questions/49070738/problems-running-cygnus-with-postgresql
> +Question:+
> Problems running Cygnus with Postgresql
> +Description:+
> So I have installed Cygnus and in the simple test configuration case which I took from here (https://github.com/telefonicaid/fiware-cygnus/blob/master/cygnus-ngsi/README.md) everything works fine.
> But I need Postgresql as a backend for my application. 
> For this I adjusted the agent_1.conf file with all postgresql parameters found from http://fiware-cygnus.readthedocs.io/en/latest/cygnus-ngsi/installation_and_administration_guide/ngsi_agent_conf/
> cygnus-ngsi.sources = http-source
> cygnus-ngsi.sinks = postgresql-sink
> cygnus-ngsi.channels = postgresql-channel
> cygnus-ngsi.sources.http-source.channels = hdfs-channel mysql-channel ckan-channel mongo-channel sth-channel kafka-channel dynamo-channel postgresql-channel
> cygnus-ngsi.sources.http-source.type = org.apache.flume.source.http.HTTPSource
> cygnus-ngsi.sources.http-source.port = 5050
> cygnus-ngsi.sources.http-source.handler = com.telefonica.iot.cygnus.handlers.NGSIRestHandler
> cygnus-ngsi.sources.http-source.handler.notification_target = /notify
> cygnus-ngsi.sources.http-source.handler.default_service = default
> cygnus-ngsi.sources.http-source.handler.default_service_path = /
> cygnus-ngsi.sources.http-source.interceptors = ts gi
> cygnus-ngsi.sources.http-source.interceptors.gi.type = com.telefonica.iot.cygnus.interceptors.NGSIGroupingInterceptor$Builder
> cygnus-ngsi.sources.http-source.interceptors.gi.grouping_rules_conf_file = /usr/cygnus/conf/grouping_rules.conf
> cygnus-ngsi.sinks.postgresql-sink.channel = postgresql-channel
> cygnus-ngsi.sinks.postgresql-sink.type = com.telefonica.iot.cygnus.sinks.NGSIPostgreSQLSink
> cygnus-ngsi.sinks.postgresql-sink.postgresql_host = 127.0.0.1
> cygnus-ngsi.sinks.postgresql-sink.postgresql_port = 5432
> cygnus-ngsi.sinks.postgresql-sink.postgresql_database = myUser
> cygnus-ngsi.sinks.postgresql-sink.postgresql_username = mydb
> cygnus-ngsi.sinks.postgresql-sink.postgresql_password = xxxx
> cygnus-ngsi.sinks.postgresql-sink.attr_persistence = row
> cygnus-ngsi.sinks.postgresql-sink.batch_size = 100
> cygnus-ngsi.sinks.postgresql-sink.batch_timeout = 30
> cygnus-ngsi.sinks.postgresql-sink.batch_ttl = 10
> # postgresql-channel configuration
> cygnus-ngsi.channels.postgresql-channel.type = memory
> cygnus-ngsi.channels.postgresql-channel.capacity = 1000
> cygnus-ngsi.channels.postgresql-channel.transactionCapacity = 100
> I didn'r really find any information about other files I am supposed to change and aren't really sure if all parameters are correct.
> I also tried the sample configuration from here http://fiware-cygnus.readthedocs.io/en/latest/cygnus-ngsi/flume_extensions_catalogue/ngsi_postgresql_sink/index.html
> Cygnus seems to start correctly but all if I try to send a notification I get connection refused



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