[Telegraf] Add Input_Docker

Author: greedybro

roles/telegraf/CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
+### Added
+- Configs template "input_docker"
 
 ## [2.0.1] - 2019-11-29
 ### Changed

roles/telegraf/templates/configs/input_docker.conf.j2

@@ -0,0 +1,60 @@
+{%- import '_macros.j2' as macros with context -%}
+
+{% set config = item.config|default([]) -%}
+
+# Read metrics about docker containers
+[[inputs.docker]]
+  ## Docker Endpoint
+  ##   To use TCP, set endpoint = "tcp://[ip]:[port]"
+  ##   To use environment variables (ie, docker-machine), set endpoint = "ENV"
+  {{ macros.config_row(config, 'endpoint', 'endpoint = "unix:///var/run/docker.sock', 0, true) }}
+
+  ## Set to true to collect Swarm metrics(desired_replicas, running_replicas)
+  ## Note: configure this in one of the manager nodes in a Swarm cluster.
+  ## configuring in multiple Swarm managers results in duplication of metrics.
+  {{ macros.config_row(config, 'gather_services', 'gather_services = false', 0, true) }}
+
+  ## Only collect metrics for these containers. Values will be appended to
+  ## container_name_include.
+  ## Deprecated (1.4.0), use container_name_include
+  container_names = []
+  {{ macros.config_row(config, 'container_names', 'container_names = []', 0, true) }}
+
+  ## Set the source tag for the metrics to the container ID hostname, eg first 12 chars
+  source_tag = false
+
+  ## Containers to include and exclude. Collect all if empty. Globs accepted.
+  {{ macros.config_row(config, 'container_name_include', 'container_name_include = []', 0, true) }}
+  {{ macros.config_row(config, 'container_name_exclude', 'container_name_exclude = []', 0, true) }}
+
+  ## Container states to include and exclude. Globs accepted.
+  ## When empty only containers in the "running" state will be captured.
+  ## example: container_state_include = ["created", "restarting", "running", "removing", "paused", "exited", "dead"]
+  ## example: container_state_exclude = ["created", "restarting", "running", "removing", "paused", "exited", "dead"]
+  {{ macros.config_row(config, 'container_state_include', '# container_state_include = []', 0, true) }}
+  {{ macros.config_row(config, 'container_state_exclude', '# container_state_exclude = []', 0, true) }}
+
+  ## Timeout for docker list, info, and stats commands
+  {{ macros.config_row(config, 'timeout', 'timeout = "5s"', 0, true) }}
+
+  ## Whether to report for each container per-device blkio (8:0, 8:1...) and
+  ## network (eth0, eth1, ...) stats or not
+  {{ macros.config_row(config, 'perdevice', 'perdevice = true', 0, true) }}
+
+  ## Whether to report for each container total blkio and network stats or not
+  {{ macros.config_row(config, 'total', 'total = false', 0, true) }}
+
+  ## docker labels to include and exclude as tags.  Globs accepted.
+  ## Note that an empty array for both will include all labels as tags
+  {{ macros.config_row(config, 'docker_label_include', 'docker_label_include = []', 0, true) }}
+  {{ macros.config_row(config, 'docker_label_exclude', 'docker_label_exclude = []', 0, true) }}
+
+  ## Which environment variables should we use as a tag
+  {{ macros.config_row(config, 'tag_env', 'tag_env = ["JAVA_HOME", "HEAP_SIZE"]', 0, true) }}
+
+  ## Optional TLS Config
+  {{ macros.config_row(config, 'tls_ca', '# tls_ca = "/etc/telegraf/ca.pem"', 0, true) }}
+  {{ macros.config_row(config, 'tls_cert', '# tls_cert = "/etc/telegraf/cert.pem"', 0, true) }}
+  {{ macros.config_row(config, 'tls_key', '# tls_key = "/etc/telegraf/key.pem"', 0, true) }}
+  ## Use TLS but skip chain & host verification
+  {{ macros.config_row(config, 'insecure_skip_verify', '# insecure_skip_verify = false', 0, true) }}