On the topic patterns, something I have been experiment with is to not try
to define attributes for config files that are then substituted via a
template by the role. Rather I have been using native configuration.
It seems to me that there is little value trying to turn every type of
config into native yaml only to have to regenerate the native format. By
using the native format directly the configuration is much clearer with
less cognitive load due the the translation.
Here's an example using my logstash role:
roles:
- role: logstash
logstash_configs:
00_mesos: |
input {
file {
path => ["/var/log/mesos/mesos-slave.INFO"]
exclude => ["*.log.*", "*.gz"]
tags => ["infra", "mesos", "mesos-slave"]
add_field => { "level" => "INFO" }
}
file {
path => ["/var/log/mesos/mesos-slave.WARN"]
exclude => ["*.log.*", "*.gz"]
tags => ["infra", "mesos", "mesos-slave"]
add_field => { "level" => "WARN" }
}
file {
path => ["/var/log/mesos/mesos-slave.ERROR"]
exclude => ["*.log.*", "*.gz"]
tags => ["infra", "mesos", "mesos-slave"]
add_field => { "level" => "ERROR" }
}
}
00_consul: |
input {
file {
type => "consul"
path => ["/var/log/consul.log"]
exclude => ["*.log.*", "*.gz"]
tags => ["consul"]
}
}
00_vimana: |
input {
file {
type => "vimana"
path => ["{{vi_log_dir}}/*.log"]
exclude => ["*.log.*", "*.gz"]
tags => ["vimana"]
codec => json
}
}
50_env_filter: |
filter {
add_field => { "env", "{{env}}" }
}
99_rabbitmq_output: |
output {
rabbitmq {
host => "rabbitmq.service.ops.consul"
port => {{rabbitmq_port}}
user => "{{elk_rabbitmq_logstash_user}}"
password => "{{elk_rabbitmq_logstash_password}}"
vhost => "logstash"
exchange => "logs_json"
exchange_type => "direct"
durable => true
}
}
99_debug_output: |
output {
stdout {
codec => rubydebug
}
}
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