67 lines
2.7 KiB
Markdown
67 lines
2.7 KiB
Markdown
# AMQP Output Plugin
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This plugin writes to a AMQP 0-9-1 Exchange, a promenent implementation of this protocol being [RabbitMQ](https://www.rabbitmq.com/).
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Metrics are written to a topic exchange using a routing key defined by:
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1. The routing_key config defines a static value
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2. The routing_tag config defines a metric tag with a dynamic value, overriding the static routing_key if found
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3. If neither option is defined, or the tag is not found in a metric, then the empty routing key will be used
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Metrics are grouped in batches by the final routing key.
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This plugin doesn't bind exchange to a queue, so it should be done by consumer. The exchange is always defined as type: topic.
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To use it for distributing metrics equally among workers (type: direct), set the routing_key to a static value on the exchange,
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declare and bind a single queue with the same routing_key, and consume from the same queue in each worker.
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To use it to send metrics to many consumers at once (type: fanout), set the routing_key to "#" on the exchange, then declare, bind,
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and consume from individual queues in each worker.
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For an introduction to AMQP see:
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- https://www.rabbitmq.com/tutorials/amqp-concepts.html
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- https://www.rabbitmq.com/getstarted.html
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### Configuration:
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```
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# Configuration for the AMQP server to send metrics to
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[[outputs.amqp]]
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## AMQP url
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url = "amqp://localhost:5672/influxdb"
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## AMQP exchange
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exchange = "telegraf"
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## Auth method. PLAIN and EXTERNAL are supported
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## Using EXTERNAL requires enabling the rabbitmq_auth_mechanism_ssl plugin as
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## described here: https://www.rabbitmq.com/plugins.html
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# auth_method = "PLAIN"
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## Topic routing key
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# routing_key = ""
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## Telegraf tag to use as a routing key
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## ie, if this tag exists, its value will be used as the routing key
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## and override routing_key config even if defined
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routing_tag = "host"
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## Delivery Mode controls if a published message is persistent
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## Valid options are "transient" and "persistent". default: "transient"
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# delivery_mode = "transient"
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## InfluxDB retention policy
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# retention_policy = "default"
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## InfluxDB database
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# database = "telegraf"
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## Write timeout, formatted as a string. If not provided, will default
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## to 5s. 0s means no timeout (not recommended).
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# timeout = "5s"
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## Optional TLS Config
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# tls_ca = "/etc/telegraf/ca.pem"
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# tls_cert = "/etc/telegraf/cert.pem"
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# tls_key = "/etc/telegraf/key.pem"
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## Use TLS but skip chain & host verification
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# insecure_skip_verify = false
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## Data format to output.
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## Each data format has its own unique set of configuration options, read
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## more about them here:
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## https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_OUTPUT.md
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data_format = "influx"
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```
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