D004 check with template, A005 check extended

pghrep/templates/D004.tpl

@@ -0,0 +1,81 @@
+# `pg_stat_statements` and `kcache` settings #
+
+## Current values ##
+
+### Master DB server is `{{.hosts.master}}` ###
+
+#### `pg_stat_statements` extension settings ####
+{{ range $setting_name, $setting_data := (index (index (index .results .hosts.master) "data") "pg_stat_statements") }}
+**Setting: `{{ $setting_name }}`**
+
+    Setting value: {{ $setting_data.setting }} {{ if $setting_data.unit }}{{ $setting_data.unit }} {{ end }}
+    Description: {{ $setting_data.short_desc }}
+    Category: {{ $setting_data.category }}
+    Type: {{ $setting_data.vartype }}
+    Source: {{ $setting_data.source }}
+    Source file: {{ $setting_data.sourcefile }}
+    {{ if $setting_data.min_val }}Min value: {{ $setting_data.min_val }} {{ end }}
+    {{ if $setting_data.max_val }}Max value: {{ $setting_data.max_val }} {{ end }}
+{{ end }}
+
+#### `kcache` extension settings ####
+{{ range $setting_name, $setting_data := (index (index (index .results .hosts.master) "data") "kcache") }}
+**Setting: `{{ $setting_name }}`**
+
+    Setting name: {{ $setting_data.name }}
+    Setting value: {{ $setting_data.setting }} {{ if $setting_data.unit }}{{ $setting_data.unit }} {{ end }}
+    Description: {{ $setting_data.short_desc }}
+    Category: {{ $setting_data.category }}
+    Type: {{ $setting_data.vartype }}
+    Source: {{ $setting_data.source }}
+    Source file: {{ $setting_data.sourcefile }}
+    {{ if $setting_data.min_val }}Min value: {{ $setting_data.min_val }} {{ end }}
+    {{ if $setting_data.max_val }}Max value: {{ $setting_data.max_val }} {{ end }}
+{{ end }}
+
+
+{{ if gt (len .hosts.replicas) 0 }}
+### Slave DB servers: ###
+    {{ range $skey, $host := .hosts.replicas }}
+#### DB slave server: `{{ $host }}` ####
+        {{ if (index $.results $host) }}  
+#### `pg_stat_statements` settings ####
+{{ range $setting_name, $setting_data := (index (index (index $.results $host) "data") "pg_stat_statements") }}
+**Setting: `{{ $setting_name }}`**
+
+    Setting name: {{ $setting_data.name }}
+    Setting value: {{ $setting_data.setting }} {{ if $setting_data.unit }}{{ $setting_data.unit }} {{ end }}
+    Description: {{ $setting_data.short_desc }}
+    Category: {{ $setting_data.category }}
+    Type: {{ $setting_data.vartype }}
+    Source: {{ $setting_data.source }}
+    Source file: {{ $setting_data.sourcefile }}
+    {{ if $setting_data.min_val }}Min value: {{ $setting_data.min_val }} {{ end }}
+    {{ if $setting_data.max_val }}Max value: {{ $setting_data.max_val }} {{ end }}
+{{ end }}
+
+#### `kcache` settings ####
+{{ range $setting_name, $setting_data := (index (index (index $.results $host) "data") "kcache") }}
+**Setting: `{{ $setting_name }}`**
+
+    Setting name: {{ $setting_data.name }}
+    Setting value: {{ $setting_data.setting }} {{ if $setting_data.unit }}{{ $setting_data.unit }} {{ end }}
+    Description: {{ $setting_data.short_desc }}
+    Category: {{ $setting_data.category }}
+    Type: {{ $setting_data.vartype }}
+    Source: {{ $setting_data.source }}
+    Source file: {{ $setting_data.sourcefile }}
+    {{ if $setting_data.min_val }}Min value: {{ $setting_data.min_val }} {{ end }}
+    {{ if $setting_data.max_val }}Max value: {{ $setting_data.max_val }} {{ end }}
+{{ end }}
+        {{ end }}
+    {{ end }}
+{{ end }}
+
+## Conclusions ##
+
+{{.Conclusion}}
+
+## Recommendations ##
+
+{{.Recommended}}

resources/checks/A005_extensions.sh

@@ -4,8 +4,9 @@ sql=$(curl -s -L https://raw.githubusercontent.com/NikolayS/postgres_dba/4.0/sql
 ${CHECK_HOST_CMD} "${_PSQL} ${PSQL_CONN_OPTIONS} -f -" <<SQL
 with data as (
 $sql
+), withsettins as (
+    select data.*, (select json_object_agg(pg_settings.name, pg_settings) from pg_settings where name ~ data.name) as settings from data
 )
-select json_object_agg(data.name, data) as json from data;
-
+select json_object_agg(withsettins.name, withsettins) as json from withsettins;
 SQL
 

resources/checks/D004_ext_settings.sh

@@ -0,0 +1,10 @@
+# Collect pg_settings artifact
+${CHECK_HOST_CMD} "${_PSQL} ${PSQL_CONN_OPTIONS} -f -" <<SQL
+with stat_statements as (
+  select json_object_agg(pg_settings.name, pg_settings) as json from pg_settings where name ~ 'pg_stat_statements'
+), kcache as (
+  select json_object_agg(pg_settings.name, pg_settings) as json from pg_settings where name ~ 'pg_stat_kcache'
+)
+select json_build_object('pg_stat_statements', (select * from stat_statements), 'kcache', (select * from kcache));
+SQL
+