add script to download and extract latest grafana flight sql plugin (#4866)

content/influxdb/cloud-iox/query-data/tools/grafana.md

@@ -51,31 +51,46 @@ Because Grafana Flight SQL Plugin is a custom plugin, you can't use it with Graf
 For more information, see [Find and Use Plugins in the Grafana Cloud documentation](https://grafana.com/docs/grafana-cloud/fundamentals/find-and-use-plugins/)
 {{% /warn %}}
 
+## Create a custom plugins director
+
+Create a **custom plugins directory** to store the Flight SQL plugin in and
+navigate into the directory.
+_The custom plugins directory can be anywhere in your filesystem that Grafana can access._
+
+{{% code-callout "/custom/plugins/directory" %}}
+```sh
+mkdir -p /custom/plugins/directory/ && cd $_
+```
+{{% /code-callout %}}
+
 ## Download the Grafana Flight SQL plugin
 
-Download the latest release from [influxdata/grafana-flightsql-datasource releases](https://github.com/influxdata/grafana-flightsql-datasource/releases).
+Download the latest [Grafana Flight SQL plugin (influxdata/grafana-flightsql-datasource)](https://github.com/influxdata/grafana-flightsql-datasource/releases).
+
+The following shell script downloads and extracts the latest Flight SQL plugin
+source code into the the current working directory.
+**Run the following inside your [custom plugin directory](#create-a-custom-plugins-directory):**
+
+```sh
+curl -s https://docs.influxdata.com/downloads/download-grafana-flightsql-plugin.sh | bash
+```
+
+{{< expand-wrapper >}}
+{{% expand "View the script source code" %}}
+
+```sh
+{{% readfile "/static/downloads/download-grafana-flightsql-plugin.sh" %}}
+```
+
+{{% /expand %}}
+{{< /expand-wrapper >}}
 
 {{% warn %}}
 The Grafana Flight SQL plugin is experimental and subject to change.
 {{% /warn %}}
 
-```sh
-curl -L https://github.com/influxdata/grafana-flightsql-datasource/releases/download/v0.1.9/influxdata-flightsql-datasource-0.1.9.zip --output influxdata-flightsql-datasource.zip
-```
-
 <span id="custom-grafana-plugins-directory"></span>
 
-## Extract the Flight SQL plugin
-
-Extract the Flight SQL plugin archive to your Grafana **custom plugins directory**.
-The custom plugins directory can be any filesystem location that Grafana can access.
-
-{{% code-callout "/custom/plugins/directory" %}}
-```sh
-unzip influxdata-flightsql-datasource.zip -d /custom/plugins/directory/
-```
-{{% /code-callout %}}
-
 ## Install the Grafana Flight SQL plugin
 
 Install the custom-built Flight SQL plugin in a local or Docker-based instance

deploy/edge.js

@@ -79,6 +79,7 @@ exports.handler = (event, context, callback) => {
     '.zip': true,
     '.md5': true,
     '.sha256': true,
+    '.sh':true,
   };
 
   // Remove index.html from path

layouts/shortcodes/readfile.html

@@ -0,0 +1 @@
+{{ readFile (.Get 0) | safeHTML }}

static/downloads/download-grafana-flightsql-plugin.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+# Set repository information
+REPO_OWNER="influxdata"
+REPO_NAME="grafana-flightsql-datasource"
+API_URL="https://api.github.com/repos/$REPO_OWNER/$REPO_NAME/releases"
+
+# Fetch all release information
+ALL_RELEASES=$(curl -s $API_URL)
+
+# Check if a valid release list is found
+if [[ $ALL_RELEASES == *"Not Found"* ]]; then
+    echo "Releases not found for the $REPO_NAME repository."
+    exit 1
+fi
+
+# Extract the latest pre-release tag from the release information
+LATEST_RELEASE_TAG=$(echo "$ALL_RELEASES" | grep -Eo '"tag_name": "[^"]*' | sed -E 's/"tag_name": "//' | head -n 1)
+VERSION=$(echo "$LATEST_RELEASE_TAG" | sed 's/^v//')
+if [[ -z "$LATEST_RELEASE_TAG" ]]; then
+    echo "No pre-release found for the $REPO_NAME repository."
+    exit 1
+fi
+
+echo "The latest release tag of $REPO_NAME is: $LATEST_RELEASE_TAG"
+
+curl -L https://github.com/influxdata/grafana-flightsql-datasource/releases/download/$LATEST_RELEASE_TAG/influxdata-flightsql-datasource-$VERSION.zip --output influxdata-flightsql-datasource.zip
+unzip influxdata-flightsql-datasource.zip -d .