fix(readmes): adding code block annotations (#7963)

plugins/common/shim/README.md

@@ -48,7 +48,7 @@ execd plugins:
 1. Configure Telegraf to call your new plugin binary. For an input, this would
   look something like:
 
-```
+```toml
 [[inputs.execd]]
   command = ["/path/to/rand", "-config", "/path/to/plugin.conf"]
   signal = "none"

plugins/inputs/bcache/README.md

@@ -55,7 +55,7 @@ cache_readaheads
 
 Using this configuration:
 
-```
+```toml
 [bcache]
   # Bcache sets path
   # If not specified, then default is:

plugins/inputs/bind/README.md

@@ -77,7 +77,7 @@ for more information.
 These are some useful queries (to generate dashboards or other) to run against data from this
 plugin:
 
-```
+```sql
 SELECT non_negative_derivative(mean(/^A$|^PTR$/), 5m) FROM bind_counter \
 WHERE "url" = 'localhost:8053' AND "type" = 'qtype' AND time > now() - 1h \
 GROUP BY time(5m), "type"

plugins/inputs/burrow/README.md

@@ -7,7 +7,7 @@ Supported Burrow version: `1.x`
 
 ### Configuration
 
-```
+```toml
 [[inputs.burrow]]
   ## Burrow API endpoints in format "schema://host:port".
   ## Default is "http://localhost:8000".

plugins/inputs/ceph/README.md

@@ -12,7 +12,7 @@ a MON socket, it runs **ceph --admin-daemon $file perfcounters_dump**. For OSDs
 The resulting JSON is parsed and grouped into collections, based on top-level key.  Top-level keys are
 used as collection tags, and all sub-keys are flattened. For example:
 
-```
+```json
  {
    "paxos": {
      "refresh": 9363435,
@@ -44,7 +44,7 @@ the cluster.  The currently supported commands are:
 
 ### Configuration:
 
-```
+```toml
 # Collects performance metrics from the MON and OSD nodes in a Ceph storage cluster.
 [[inputs.ceph]]
   ## This is the recommended interval to poll.  Too frequent and you will lose

plugins/inputs/couchbase/README.md

@@ -2,7 +2,7 @@
 
 ## Configuration:
 
-```
+```toml
 # Read per-node and per-bucket metrics from Couchbase
 [[inputs.couchbase]]
   ## specify servers via a url matching:

plugins/inputs/dovecot/README.md

@@ -8,7 +8,7 @@ the [upgrading steps][upgrading].
 
 ### Configuration:
 
-```
+```toml
 # Read metrics about dovecot servers
 [[inputs.dovecot]]
   ## specify dovecot servers via an address:port list

plugins/inputs/http_response/README.md

@@ -4,7 +4,7 @@ This input plugin checks HTTP/HTTPS connections.
 
 ### Configuration:
 
-```
+```toml
 # HTTP/HTTPS request given an address a method and a timeout
 [[inputs.http_response]]
   ## Deprecated in 1.12, use 'urls'

plugins/inputs/icinga2/README.md

@@ -51,7 +51,7 @@ services and hosts. You can read Icinga2's documentation for their remote API
 
 ### Sample Queries:
 
-```
+```sql
 SELECT * FROM "icinga2_services" WHERE state_code = 0 AND time > now() - 24h // Service with OK status
 SELECT * FROM "icinga2_services" WHERE state_code = 1 AND time > now() - 24h // Service with WARNING status
 SELECT * FROM "icinga2_services" WHERE state_code = 2 AND time > now() - 24h // Service with CRITICAL status

plugins/inputs/lanz/README.md

@@ -62,17 +62,17 @@ For more details on the metrics see https://github.com/aristanetworks/goarista/b
 ### Sample Queries
 
 Get the max tx_latency for the last hour for all interfaces on all switches.
-```
+```sql
 SELECT max("tx_latency") AS "max_tx_latency" FROM "congestion_record" WHERE time > now() - 1h GROUP BY time(10s), "hostname", "intf_name"
 ```
 
 Get the max tx_latency for the last hour for all interfaces on all switches.
-```
+```sql
 SELECT max("queue_size") AS "max_queue_size" FROM "congestion_record" WHERE time > now() - 1h GROUP BY time(10s), "hostname", "intf_name"
 ```
 
 Get the max buffer_size for over the last hour for all switches.
-```
+```sql
 SELECT max("buffer_size") AS "max_buffer_size" FROM "global_buffer_usage_record" WHERE time > now() - 1h GROUP BY time(10s), "hostname"
 ```
 

plugins/inputs/minecraft/README.md

@@ -67,7 +67,7 @@ View the current scores with a command, substituting your player name:
 ### Sample Queries:
 
 Get the number of jumps per player in the last hour:
-```
+```sql
 SELECT SPREAD("jumps") FROM "minecraft" WHERE time > now() - 1h GROUP BY "player"
 ```
 

plugins/inputs/modbus/README.md

@@ -129,7 +129,7 @@ from unsigned values).
 
 ### Example Output
 
-```
+```sh
 $ ./telegraf -config telegraf.conf -input-filter modbus -test
 modbus.InputRegisters,host=orangepizero Current=0,Energy=0,Frecuency=60,Power=0,PowerFactor=0,Voltage=123.9000015258789 1554079521000000000
 ```

plugins/inputs/mysql/README.md

@@ -117,7 +117,7 @@ InfluxDB due to the change of types.  For this reason, you should keep the
 
 If preserving your old data is not required you may wish to drop conflicting
 measurements:
-```
+```sql
 DROP SERIES from mysql
 DROP SERIES from mysql_variables
 DROP SERIES from mysql_innodb

plugins/inputs/neptune_apex/README.md

@@ -71,15 +71,15 @@ programming. These tags are clearly marked in the list below and should be consi
 
 
 Get the max, mean, and min for the temperature in the last hour:
-```
+```sql
 SELECT mean("value") FROM "neptune_apex" WHERE ("probe_type" = 'Temp') AND time >= now() - 6h GROUP BY time(20s)
 ```
 
 ### Troubleshooting
 
 #### sendRequest failure
 This indicates a problem communicating with the local Apex controller. If on Mac/Linux, try curl:
-```
+```sh
 $ curl apex.local/cgi-bin/status.xml
 ```
 to isolate the problem.

plugins/inputs/net/NET_README.md

@@ -53,7 +53,7 @@ Under Linux the system wide protocol metrics have the interface=all tag.
 
 You can use the following query to get the upload/download traffic rate per second for all interfaces in the last hour. The query uses the [derivative function](https://docs.influxdata.com/influxdb/v1.2/query_language/functions#derivative) which calculates the rate of change between subsequent field values.
 
-```
+```sql
 SELECT derivative(first(bytes_recv), 1s) as "download bytes/sec", derivative(first(bytes_sent), 1s) as "upload bytes/sec" FROM net WHERE time > now() - 1h AND interface != 'all' GROUP BY time(10s), interface fill(0);
 ```
 
@@ -70,4 +70,4 @@ net,interface=eth0,host=HOST bytes_sent=451838509i,bytes_recv=3284081640i,packet
 $ ./telegraf --config telegraf.conf --input-filter net --test
 net,interface=eth0,host=HOST bytes_sent=451838509i,bytes_recv=3284081640i,packets_sent=2663590i,packets_recv=3585442i,err_in=0i,err_out=0i,drop_in=4i,drop_out=0i 1492834180000000000
 net,interface=all,host=HOST ip_reasmfails=0i,icmp_insrcquenchs=0i,icmp_outtimestamps=0i,ip_inhdrerrors=0i,ip_inunknownprotos=0i,icmp_intimeexcds=10i,icmp_outaddrmasks=0i,icmp_indestunreachs=11005i,icmpmsg_outtype0=6i,tcp_retranssegs=14669i,udplite_outdatagrams=0i,ip_reasmtimeout=0i,ip_outnoroutes=2577i,ip_inaddrerrors=186i,icmp_outaddrmaskreps=0i,tcp_incsumerrors=0i,tcp_activeopens=55965i,ip_reasmoks=0i,icmp_inechos=6i,icmp_outdestunreachs=9417i,ip_reasmreqds=0i,icmp_outtimestampreps=0i,tcp_rtoalgorithm=1i,icmpmsg_intype3=11005i,icmpmsg_outtype69=129i,tcp_outsegs=2777459i,udplite_rcvbuferrors=0i,ip_fragoks=0i,icmp_inmsgs=13398i,icmp_outerrors=0i,tcp_outrsts=14951i,udplite_noports=0i,icmp_outmsgs=11517i,icmp_outechoreps=6i,icmpmsg_intype11=10i,icmp_inparmprobs=0i,ip_forwdatagrams=0i,icmp_inechoreps=1909i,icmp_outredirects=0i,icmp_intimestampreps=0i,icmpmsg_intype5=468i,tcp_rtomax=120000i,tcp_maxconn=-1i,ip_fragcreates=0i,ip_fragfails=0i,icmp_inredirects=468i,icmp_outtimeexcds=0i,icmp_outechos=1965i,icmp_inaddrmasks=0i,tcp_inerrs=389i,tcp_rtomin=200i,ip_defaultttl=64i,ip_outrequests=3366408i,ip_forwarding=2i,udp_incsumerrors=0i,udp_indatagrams=522136i,udplite_incsumerrors=0i,ip_outdiscards=871i,icmp_inerrors=958i,icmp_outsrcquenchs=0i,icmpmsg_intype0=1909i,tcp_insegs=3580226i,udp_outdatagrams=577265i,udp_rcvbuferrors=0i,udplite_sndbuferrors=0i,icmp_incsumerrors=0i,icmp_outparmprobs=0i,icmpmsg_outtype3=9417i,tcp_attemptfails=2652i,udplite_inerrors=0i,udplite_indatagrams=0i,ip_inreceives=4172969i,icmpmsg_outtype8=1965i,tcp_currestab=59i,udp_noports=5961i,ip_indelivers=4099279i,ip_indiscards=0i,tcp_estabresets=5818i,udp_sndbuferrors=3i,icmp_intimestamps=0i,icmpmsg_intype8=6i,udp_inerrors=0i,icmp_inaddrmaskreps=0i,tcp_passiveopens=452i 1492831540000000000
-``
+```

plugins/inputs/nginx/README.md

@@ -2,7 +2,7 @@
 
 ### Configuration:
 
-```
+```toml
 # Read Nginx's basic status information (ngx_http_stub_status_module)
 [[inputs.nginx]]
   ## An array of Nginx stub_status URI to gather stats.
@@ -39,14 +39,14 @@
 ### Example Output:
 
 Using this configuration:
-```
+```toml
 [[inputs.nginx]]
   ## An array of Nginx stub_status URI to gather stats.
   urls = ["http://localhost/status"]
 ```
 
 When run with:
-```
+```sh
 ./telegraf --config telegraf.conf --input-filter nginx --test
 ```
 

plugins/inputs/nginx_plus/README.md

@@ -7,7 +7,7 @@ Structures for Nginx Plus have been built based on history of
 
 ### Configuration:
 
-```
+```toml
 # Read Nginx Plus' advanced status information
 [[inputs.nginx_plus]]
   ## An array of Nginx status URIs to gather stats.
@@ -81,14 +81,14 @@ Structures for Nginx Plus have been built based on history of
 ### Example Output:
 
 Using this configuration:
-```
+```toml
 [[inputs.nginx_plus]]
   ## An array of Nginx Plus status URIs to gather stats.
   urls = ["http://localhost/status"]
 ```
 
 When run with:
-```
+```sh
 ./telegraf -config telegraf.conf -input-filter nginx_plus -test
 ```
 

plugins/inputs/nginx_plus_api/README.md

@@ -4,7 +4,7 @@ Nginx Plus is a commercial version of the open source web server Nginx. The use
 
 ### Configuration:
 
-```
+```toml
 # Read Nginx Plus API advanced status information
 [[inputs.nginx_plus_api]]
   ## An array of Nginx API URIs to gather stats.
@@ -201,14 +201,14 @@ Nginx Plus is a commercial version of the open source web server Nginx. The use
 ### Example Output:
 
 Using this configuration:
-```
+```toml
 [[inputs.nginx_plus_api]]
   ## An array of Nginx Plus API URIs to gather stats.
   urls = ["http://localhost/api"]
 ```
 
 When run with:
-```
+```sh
 ./telegraf -config telegraf.conf -input-filter nginx_plus_api -test
 ```
 

plugins/inputs/nginx_upstream_check/README.md

@@ -10,7 +10,7 @@ checks. This information can be exported in JSON format and parsed by this input
 
 ### Configuration:
 
-```
+```toml
   ## An URL where Nginx Upstream check module is enabled
   ## It should be set to return a JSON formatted response
   url = "http://127.0.0.1/status?format=json"
@@ -63,7 +63,7 @@ state of every server and, possible, add some monitoring to watch over it. Influ
 ### Example Output:
 
 When run with:
-```
+```sh
 ./telegraf --config telegraf.conf --input-filter nginx_upstream_check --test
 ```
 

plugins/inputs/nginx_vts/README.md

@@ -5,7 +5,7 @@ For module configuration details please see its [documentation](https://github.c
 
 ### Configuration:
 
-```
+```toml
 # Read nginx status information using nginx-module-vts module
 [[inputs.nginx_vts]]
   ## An array of Nginx status URIs to gather stats.
@@ -99,14 +99,14 @@ For module configuration details please see its [documentation](https://github.c
 ### Example Output:
 
 Using this configuration:
-```
+```toml
 [[inputs.nginx_vts]]
   ## An array of Nginx status URIs to gather stats.
   urls = ["http://localhost/status"]
 ```
 
 When run with:
-```
+```sh
 ./telegraf -config telegraf.conf -input-filter nginx_vts -test
 ```
 

plugins/inputs/nvidia_smi/README.md

@@ -57,7 +57,7 @@ You'll need to escape the `\` within the `telegraf.conf` like this: `C:\\Program
 
 The below query could be used to alert on the average temperature of the your GPUs over the last minute
 
-```
+```sql
 SELECT mean("temperature_gpu") FROM "nvidia_smi" WHERE time > now() - 5m GROUP BY time(1m), "index", "name", "host"
 ```
 
@@ -66,7 +66,7 @@ SELECT mean("temperature_gpu") FROM "nvidia_smi" WHERE time > now() - 5m GROUP B
 Check the full output by running `nvidia-smi` binary manually.
 
 Linux:
-```
+```sh
 sudo -u telegraf -- /usr/bin/nvidia-smi -q -x
 ```
 

plugins/inputs/openldap/README.md

@@ -35,7 +35,9 @@ To use this plugin you must enable the [slapd monitoring](https://www.openldap.o
 
 All **monitorCounter**, **monitoredInfo**, **monitorOpInitiated**, and **monitorOpCompleted** attributes are gathered based on this LDAP query:
 
-```(|(objectClass=monitorCounterObject)(objectClass=monitorOperation)(objectClass=monitoredObject))```
+```
+(|(objectClass=monitorCounterObject)(objectClass=monitorOperation)(objectClass=monitoredObject))
+```
 
 Metric names are based on their entry DN with the cn=Monitor base removed. If `reverse_metric_names` is not set, metrics are based on their DN. If `reverse_metric_names` is set to `true`, the names are reversed. This is recommended as it allows the names to sort more naturally.
 

plugins/inputs/postgresql/README.md

@@ -57,7 +57,7 @@ host=localhost user=pgotest dbname=app_production sslmode=require sslkey=/etc/te
 ```
 
 ### Configuration example
-```
+```toml
 [[inputs.postgresql]]
   address = "postgres://telegraf@localhost/someDB"
   ignored_databases = ["template0", "template1"]

plugins/inputs/postgresql_extensible/README.md

@@ -11,7 +11,7 @@ The example below has two queries are specified, with the following parameters:
 * The name of the measurement
 * A list of the columns to be defined as tags
 
-```
+```toml
 [[inputs.postgresql_extensible]]
   # specify address via a url matching:
   # postgres://[pqgotest[:password]]@host:port[/dbname]?sslmode=...
@@ -76,7 +76,7 @@ using postgresql extensions ([pg_stat_statements](http://www.postgresql.org/docs
 # Sample Queries :
 - telegraf.conf postgresql_extensible queries (assuming that you have configured
  correctly your connection)
-```
+```toml
 [[inputs.postgresql_extensible.query]]
   sqlquery="SELECT * FROM pg_stat_database"
   version=901

plugins/inputs/powerdns/README.md

@@ -4,7 +4,7 @@ The powerdns plugin gathers metrics about PowerDNS using unix socket.
 
 ### Configuration:
 
-```
+```toml
 # Description
 [[inputs.powerdns]]
   # An array of sockets to gather stats about.

plugins/inputs/prometheus/README.md

@@ -103,7 +103,7 @@ If you want to monitor Caddy, you need to use Caddy with its Prometheus plugin:
 * Restart Caddy
 * Configure Telegraf to fetch metrics on it:
 
-```
+```toml
 [[inputs.prometheus]]
 #   ## An array of urls to scrape metrics from.
   urls = ["http://localhost:9180/metrics"]

plugins/inputs/redis/README.md

@@ -2,7 +2,7 @@
 
 ### Configuration:
 
-```
+```toml
 # Read Redis's basic status information
 [[inputs.redis]]
   ## specify servers via a url matching:
@@ -153,7 +153,7 @@ Additionally the plugin also calculates the hit/miss ratio (keyspace\_hitrate) a
 ### Example Output:
 
 Using this configuration:
-```
+```toml
 [[inputs.redis]]
   ## specify servers via a url matching:
   ##  [protocol://][:password]@address[:port]

plugins/inputs/sensors/README.md

@@ -6,7 +6,7 @@ package installed.
 This plugin collects sensor metrics with the `sensors` executable from the lm-sensor package.
 
 ### Configuration:
-```
+```toml
 # Monitor sensors, requires lm-sensors package
 [[inputs.sensors]]
   ## Remove numbers from field names.