re-added fluentd Splunk HEC plugin (#307) (#309)

Signed-off-by: Alexander Vollschwitz <vollschwitz@gmx.net>

README.md

@@ -694,17 +694,14 @@ This projects tries to keep up with major releases for [Fluentd docker image](ht
 * fluent-plugin-s3 (1.6.1)
 * fluent-plugin-secure-forward (0.4.5)
 * fluent-plugin-splunkhec (2.1)
+* fluent-plugin-splunk-hec (1.2.10)
 * fluent-plugin-sumologic_output (1.7.2)
 * fluent-plugin-systemd (1.0.5)
 * fluent-plugin-uri-parser (0.3.0)
 * fluent-plugin-verticajson (0.0.6)
 * fluent-plugin-vmware-log-intelligence (2.0.6)
 * fluent-plugin-vmware-loginsight (1.0.0)
 
-DEPRECATIONS (these are deprecated until fixed - [#266](https://github.com/vmware/kube-fluentd-operator/issues/266)):
-
-* fluent-plugin-splunk-hec (1.2.7)
-
 When customizing the image be careful not to uninstall plugins that are used internally to implement the macros.
 
 If you need other destination plugins you are welcome to contribute a patch or just create an issue.

base-image/Gemfile

@@ -40,9 +40,7 @@ gem 'fluent-plugin-remote_syslog', "1.0.0"
 gem 'fluent-plugin-rewrite-tag-filter', "2.4.0"
 gem 'fluent-plugin-route', "1.0.0"
 gem 'fluent-plugin-s3', "1.6.1"
-#DEPRECATION: Until issues in #266 are fixed, we are deprecating these two plugins:
-#https://github.com/vmware/kube-fluentd-operator/issues/266
-#gem 'fluent-plugin-splunk-hec', "1.2.7"
+gem 'fluent-plugin-splunk-hec', "1.2.10"
 gem 'fluent-plugin-splunkhec', "2.2"
 gem 'fluent-plugin-sumologic_output', "1.7.3"
 gem 'fluent-plugin-systemd', "1.0.5"

base-image/Gemfile.lock

@@ -183,6 +183,12 @@ GEM
     fluent-plugin-splunkhec (2.2)
       fluentd (>= 1.9.0, < 2)
       yajl-ruby (>= 1.4.0)
+    fluent-plugin-splunk-hec (1.2.10)
+      fluentd (>= 1.4)
+      multi_json (~> 1.13)
+      net-http-persistent (~> 3.1)
+      openid_connect (~> 1.1.8)
+      prometheus-client (>= 2.1.0)
     fluent-plugin-sumologic_output (1.7.3)
       fluentd (>= 0.14.12)
       httpclient (~> 2.8.0)