fix rendering of nested tables list (#413)

charts/telegraf/Chart.yaml

 apiVersion: v2
 name: telegraf
-version: 1.8.12
+version: 1.8.13
 appVersion: 1.21.2
 deprecated: false
 description: Telegraf is an agent written in Go for collecting, processing, aggregating, and writing metrics.

charts/telegraf/ci/inputs-nested-tables-list-values.yaml

+config:
+  inputs:
+    - statsd:
+        service_address: ":8125"
+        percentiles:
+          - 50
+          - 95
+          - 99
+        metric_separator: "_"
+        allowed_pending_messages: 10000
+        percentile_limit: 1000
+    - postgresql_extensible:
+        address: "host=localhost user=postgres sslmode=disable"
+        query:
+          - sqlquery: "SELECT count(*) as total_user_count FROM users"
+            version: 801
+          - sqlquery: "SELECT count(*) as total_post_count FROM posts"
+            version: 801

charts/telegraf/templates/_helpers.tpl

@@ -201,6 +201,23 @@ app.kubernetes.io/instance: {{ .Release.Name }}
       {{ $key }} = {{ $value }}
           {{- end }}
           {{- if eq $tp "[]interface {}" }}
+            {{- if eq (index $value 0 | typeOf) "map[string]interface {}" -}}
+              {{- range $b, $val := $value }}
+      [[inputs.{{- $input }}.{{- $key }}]]
+                {{- range $k, $v := $val }}
+                  {{- $tps := typeOf $v }}
+                  {{- if eq $tps "string" }}
+         {{ $k }} = {{ $v | quote }}
+                  {{- end }}
+                  {{- if eq $tps "float64" }}
+         {{ $k }} = {{ $v | int64 }}
+                  {{- end }}
+                  {{- if eq $tps "bool" }}
+         {{ $k }} = {{ $v }}
+                  {{- end }}
+                {{- end }}
+              {{- end }}
+            {{- else }}
       {{ $key }} = [
               {{- $numOut := len $value }}
               {{- $numOut := sub $numOut 1 }}
@@ -227,6 +244,7 @@ app.kubernetes.io/instance: {{ .Release.Name }}
                 {{- end -}}
               {{- end }}
       ]
+            {{- end }}
           {{- end }}
           {{- end }}
           {{- range $key, $value := $config -}}