Add documentation for existing TLS settings in consul input (#3931)
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Daniel Nelson
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# Telegraf Input Plugin: Consul
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# Consul Input Plugin
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This plugin will collect statistics about all health checks registered in the Consul. It uses [Consul API](https://www.consul.io/docs/agent/http/health.html#health_state)
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to query the data. It will not report the [telemetry](https://www.consul.io/docs/agent/telemetry.html) but Consul can report those stats already using StatsD protocol if needed.
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This plugin will collect statistics about all health checks registered in the
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Consul. It uses [Consul API](https://www.consul.io/docs/agent/http/health.html#health_state)
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to query the data. It will not report the
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[telemetry](https://www.consul.io/docs/agent/telemetry.html) but Consul can
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report those stats already using StatsD protocol if needed.
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## Configuration:
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### Configuration:
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```
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```toml
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# Gather health check statuses from services registered in Consul
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[[inputs.consul]]
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## Most of these values defaults to the one configured on a Consul's agent level.
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## Optional Consul server address (default: "")
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# address = ""
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## Optional URI scheme for the Consul server (default: "")
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# scheme = ""
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## Optional ACL token used in every request (default: "")
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## Consul server address
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# address = "localhost"
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## URI scheme for the Consul server, one of "http", "https"
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# scheme = "http"
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## ACL token used in every request
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# token = ""
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## Optional username used for request HTTP Basic Authentication (default: "")
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## HTTP Basic Authentication username and password.
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# username = ""
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## Optional password used for HTTP Basic Authentication (default: "")
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# password = ""
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## Optional data centre to query the health checks from (default: "")
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## Data centre to query the health checks from
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# datacentre = ""
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## SSL Config
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# ssl_ca = "/etc/telegraf/ca.pem"
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# ssl_cert = "/etc/telegraf/cert.pem"
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# ssl_key = "/etc/telegraf/key.pem"
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## If false, skip chain & host verification
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# insecure_skip_verify = true
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```
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## Measurements:
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### Metrics:
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### Consul:
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Tags:
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- node: on which node check/service is registered on
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- service_name: name of the service (this is the service name not the service ID)
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- check_id
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Fields:
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- check_name
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- service_id
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- status
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- passing
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- critical
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- warning
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- consul_health_checks
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- tags:
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- node (node that check/service is registred on)
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- service_name
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- check_id
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- fields:
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- check_name
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- service_id
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- status
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- passing (integer)
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- critical (integer)
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- warning (integer)
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`passing`, `critical`, and `warning` are integer representations of the health
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check state. A value of `1` represents that the status was the state of the
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@ -46,8 +57,6 @@ the health check at this sample.
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## Example output
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```
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$ telegraf --config ./telegraf.conf --input-filter consul --test
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* Plugin: consul, Collection 1
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> consul_health_checks,host=wolfpit,node=consul-server-node,check_id="serfHealth" check_name="Serf Health Status",service_id="",status="passing",passing=1i,critical=0i,warning=0i 1464698464486439902
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> consul_health_checks,host=wolfpit,node=consul-server-node,service_name=www.example.com,check_id="service:www-example-com.test01" check_name="Service 'www.example.com' check",service_id="www-example-com.test01",status="critical",passing=0i,critical=1i,warning=0i 1464698464486519036
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consul_health_checks,host=wolfpit,node=consul-server-node,check_id="serfHealth" check_name="Serf Health Status",service_id="",status="passing",passing=1i,critical=0i,warning=0i 1464698464486439902
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consul_health_checks,host=wolfpit,node=consul-server-node,service_name=www.example.com,check_id="service:www-example-com.test01" check_name="Service 'www.example.com' check",service_id="www-example-com.test01",status="critical",passing=0i,critical=1i,warning=0i 1464698464486519036
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```
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@ -31,19 +31,28 @@ type Consul struct {
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}
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var sampleConfig = `
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## Most of these values defaults to the one configured on a Consul's agent level.
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## Optional Consul server address (default: "localhost")
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## Consul server address
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# address = "localhost"
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## Optional URI scheme for the Consul server (default: "http")
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## URI scheme for the Consul server, one of "http", "https"
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# scheme = "http"
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## Optional ACL token used in every request (default: "")
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## ACL token used in every request
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# token = ""
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## Optional username used for request HTTP Basic Authentication (default: "")
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## HTTP Basic Authentication username and password.
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# username = ""
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## Optional password used for HTTP Basic Authentication (default: "")
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# password = ""
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## Optional data centre to query the health checks from (default: "")
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## Data centre to query the health checks from
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# datacentre = ""
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## SSL Config
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# ssl_ca = "/etc/telegraf/ca.pem"
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# ssl_cert = "/etc/telegraf/cert.pem"
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# ssl_key = "/etc/telegraf/key.pem"
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## If false, skip chain & host verification
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# insecure_skip_verify = true
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`
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func (c *Consul) Description() string {
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