Add Splunk logging driver #16207

Allow to send Splunk logs using Http Event Collector

Signed-off-by: Denis Gladkikh <denis@gladkikh.email>

contrib/completion/bash/docker

@@ -321,6 +321,7 @@ __docker_log_drivers() {
 		journald
 		json-file
 		none
+		splunk
 		syslog
 	" -- "$cur" ) )
 }
@@ -333,8 +334,9 @@ __docker_log_driver_options() {
 	local journald_options="env labels"
 	local json_file_options="env labels max-file max-size"
 	local syslog_options="syslog-address syslog-facility tag"
+	local splunk_options="splunk-caname splunk-capath splunk-index splunk-insecureskipverify splunk-source splunk-sourcetype splunk-token splunk-url"
 
-	local all_options="$fluentd_options $gelf_options $journald_options $json_file_options $syslog_options"
+	local all_options="$fluentd_options $gelf_options $journald_options $json_file_options $syslog_options $splunk_options"
 
 	case $(__docker_value_of_option --log-driver) in
 		'')
@@ -358,6 +360,9 @@ __docker_log_driver_options() {
 		syslog)
 			COMPREPLY=( $( compgen -W "$syslog_options" -S = -- "$cur" ) )
 			;;
+		splunk)
+			COMPREPLY=( $( compgen -W "$splunk_options" -S = -- "$cur" ) )
+			;;
 		*)
 			return
 			;;
@@ -405,6 +410,17 @@ __docker_complete_log_driver_options() {
 			" -- "${cur#=}" ) )
 			return
 			;;
+		*splunk-url=*)
+			COMPREPLY=( $( compgen -W "http:// https://" -- "${cur#=}" ) )
+			compopt -o nospace
+			__ltrim_colon_completions "${cur}"
+			return
+			;;
+		*splunk-insecureskipverify=*)
+			COMPREPLY=( $( compgen -W "true false" -- "${cur#=}" ) )
+			compopt -o nospace
+			return
+			;;
 	esac
 	return 1
 }

docs/reference/run.md

@@ -1071,6 +1071,7 @@ container's logging driver. The following options are supported:
 | `gelf`      | Graylog Extended Log Format (GELF) logging driver for Docker. Writes log messages to a GELF endpoint likeGraylog or Logstash. |
 | `fluentd`   | Fluentd logging driver for Docker. Writes log messages to `fluentd` (forward input).                                          |
 | `awslogs`   | Amazon CloudWatch Logs logging driver for Docker. Writes log messages to Amazon CloudWatch Logs                               |
+| `splunk`    | Splunk logging driver for Docker. Writes log messages to `splunk` using Event Http Collector.                                 |
 
 The `docker logs` command is available only for the `json-file` and `journald`
 logging drivers.  For detailed information on working with logging drivers, see

man/docker-create.1.md

@@ -174,7 +174,7 @@ millions of trillions.
    Add link to another container in the form of <name or id>:alias or just
    <name or id> in which case the alias will match the name.
 
-**--log-driver**="|*json-file*|*syslog*|*journald*|*gelf*|*fluentd*|*awslogs*|*none*"
+**--log-driver**="|*json-file*|*syslog*|*journald*|*gelf*|*fluentd*|*awslogs*|*splunk*|*none*"
   Logging driver for container. Default is defined by daemon `--log-driver` flag.
   **Warning**: the `docker logs` command works only for the `json-file` and
   `journald` logging drivers.

man/docker-run.1.md

@@ -277,7 +277,7 @@ which interface and port to use.
 **--lxc-conf**=[]
    (lxc exec-driver only) Add custom lxc options --lxc-conf="lxc.cgroup.cpuset.cpus = 0,1"
 
-**--log-driver**="|*json-file*|*syslog*|*journald*|*gelf*|*fluentd*|*awslogs*|*none*"
+**--log-driver**="|*json-file*|*syslog*|*journald*|*gelf*|*fluentd*|*awslogs*|*splunk*|*none*"
   Logging driver for container. Default is defined by daemon `--log-driver` flag.
   **Warning**: the `docker logs` command works only for the `json-file` and
   `journald` logging drivers.