Note removal of Flux MQTT package support OSS 2.7+ (#5634)

* WIP added prepend to mqtt package frontmatter

* WIP excluded mqtt package from oss 2.7+

* WIP add nightly version exclude

* add nightly exclude to flux function support modal, closes influxdata/DAR#437

* updated mqtt warn message and version exclude pattern

* Apply suggestions from code review

Co-authored-by: Jason Stirnaman <[email protected]>

* exclude mqtt package from all oss versions

* exclude mqtt package from everything but cloud

---------

Co-authored-by: Jason Stirnaman <[email protected]>

Author: sanderson

data/flux_stdlib_frontmatter.yml

@@ -920,11 +920,49 @@
   aliases:
     - /influxdb/v2/reference/flux/stdlib/experimental/mqtt/
     - /influxdb/cloud/reference/flux/stdlib/experimental/mqtt/
+  prepend:
+    block: warn
+    content: |
+      #### Only supported in InfluxDB Cloud (TSM)
+
+      The `experimental/mqtt` package only supported in InfluxDB Cloud (TSM).
+      It is still available to import in InfluxDB OSS and Enterprise, but
+      functions will not successfully publish to an MQTT broker.
+  exclude_from:
+    nightly: true
+    oss: ^*
+    enterprise: ^*
 
 /flux/v0/stdlib/experimental/mqtt/to.md: |
   aliases:
     - /influxdb/v2/reference/flux/stdlib/experimental/mqtt/to/
     - /influxdb/cloud/reference/flux/stdlib/experimental/mqtt/to/
+  prepend:
+    block: warn
+    content: |
+      #### Only supported in InfluxDB Cloud (TSM)
+
+      The `experimental/mqtt` package only supported in InfluxDB Cloud (TSM).
+      It is still available to import in InfluxDB OSS and Enterprise, but
+      functions will not successfully publish to an MQTT broker.
+  exclude_from:
+    nightly: true
+    oss: ^*
+    enterprise: ^*
+
+/flux/v0/stdlib/experimental/mqtt/publish.md: |
+  prepend:
+    block: warn
+    content: |
+      #### Only supported in InfluxDB Cloud (TSM)
+
+      The `experimental/mqtt` package only supported in InfluxDB Cloud (TSM).
+      It is still available to import in InfluxDB OSS and Enterprise, but
+      functions will not successfully publish to an MQTT broker.
+  exclude_from:
+    nightly: true
+    oss: ^*
+    enterprise: ^*
 
 /flux/v0/stdlib/experimental/oee/_index.md: |
   aliases:

layouts/partials/footer/modals/flux-influxdb-versions.html

@@ -45,7 +45,8 @@ <h4>InfluxDB Open Source (OSS)</h4>
         {{ $versionSemVer := split $value "." }}
         {{ $supported := cond (ge (index $versionSemVer 0) (index $introducedSemVer 0)) (cond (ge (index $versionSemVer 1) (index $introducedSemVer 1)) (cond (ge (index $versionSemVer 2) (index $introducedSemVer 2)) true false) false) false }}
         {{ $deprecated := and (isset $.Page.Params "deprecated") (cond (ge (index $versionSemVer 0) (index $deprecatedSemVer 0)) (cond (ge (index $versionSemVer 1) (index $deprecatedSemVer 1)) (cond (ge (index $versionSemVer 2) (index $deprecatedSemVer 2)) true false) false) false) }}
-        {{ $excluded := gt (len (findRE (string $excludePatternOSS) $key)) 0 }}
+        {{ $nightlyExcluded := and (eq $key "nightly") $.Page.Params.exclude_from.nightly }}
+        {{ $excluded := or (gt (len (findRE (string $excludePatternOSS) $key)) 0) $nightlyExcluded }}
         <div class="version-row">
           <div class="version-col"><p>InfluxDB {{ $key }}</p></div>
           <div class="version-col"><p>