Merge pull request #142 from postgres-ai/108-dmius-f003

#108 F003 check with template

Author: dmius

pghrep/templates/F003.tpl

@@ -0,0 +1,52 @@
+# Autovacuum info #
+
+## Current values ##
+
+### Master DB server is `{{.hosts.master}}` ###
+Setting name | Value | Unit
+-------------|-------|------
+{{ range $key, $value := (index (index (index .results .hosts.master) "data") "settings") }}{{$key}}|{{ $value.setting}}|{{ $value.unit }}
+{{ end }}
+{{ if (index (index .results .hosts.master) "data").iotop }}
+#### iotop information ####
+Command: `{{ (index (index (index .results .hosts.master) "data") "iotop").cmd }}`
+
+Result:
+```
+{{ (index (index (index .results .hosts.master) "data") "iotop").data }}
+```
+{{ end }}
+
+{{ if gt (len .hosts.replicas) 0 }}
+### Slave DB servers: ###
+  {{ range $skey, $host := .hosts.replicas }}
+#### DB slave server: `{{ $host }}` ####
+    {{ if (index $.results $host) }}
+
+Setting name | Value | Unit
+-------------|-------|------
+{{ range $key, $value := (index (index (index $.results $host) "data") "settings") }}{{$key}}|{{ $value.setting}}|{{ $value.unit }}
+{{ end }}
+{{ if (index (index $.results $host) "data").iotop }}
+#### iotop information ####
+Command: `{{ (index (index (index $.results $host) "data") "iotop").cmd }}`
+
+Result: 
+```
+{{ (index (index (index $.results $host) "data") "iotop").data }}
+```
+{{ end }}
+    {{ else}}
+      No data
+    {{ end }}
+  {{ end }}
+{{ end }}
+
+{{/* ## Conclusions ##
+
+{{.Conclusion}}
+
+## Recommendations ##
+
+{{.Recommended}}
+*/}}

resources/checks/F003_autovacuum_tuning.sh

@@ -0,0 +1,13 @@
+settings_sql="select json_object_agg(s.name, s) from pg_settings s where name like 'autovacuum%';"
+settings=$(${CHECK_HOST_CMD} "${_PSQL} -f - " <<SQL
+$settings_sql
+SQL
+)
+#iotop_cmd="sudo iotop -o -d 5 -n 12 -k -b"
+#iotop_result=$($iotop_cmd)
+#iotop_data="{\"cmd\": \"$iotop_cmd\", \"data\": \"$iotop_result\"}"
+#data="{\"settings\": $settings, \"iotop\": $iotop_data}"
+data="{\"settings\": $settings}"
+data=$(jq -n "$data")
+echo "$data"
+