Ensure server parameter 'log_duration is set to 'ON' for PostgreSQL Database Server

MittelStufe 1Automatisiertalibaba

Beschreibung

Enable log_duration on PostgreSQL Servers. Enabling log_duration helps PostgreSQL Database to Logs the duration of each completed SQL statement which in turn generates query and error logs. For every PostgreSQL instance the running parameter log_duration must be on. Iterates every RDS region and instance (DescribeDBInstances). Read-only aliyun CLI calls; credentials and default region come from the CLI's normal profile (aliyun configure, ~/.aliyun/config.json or ALIBABA_CLOUD_* environment variables). JSON output is parsed with sed/awk. A missing CLI or credential fails the check.

So wird geprüft

Prüfmethode: Shell-Befehl

shell

regs=$(aliyun rds DescribeRegions 2>/dev/null) || exit 1
regions=$(printf '%s\n' "$regs" | sed -n 's/.*"RegionId"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/p' | sort -u)
[ -n "$regions" ] || exit 1
bad=0
for r in $regions; do
  page=1
  while :; do
    out=$(aliyun rds DescribeDBInstances --RegionId "$r" --Engine PostgreSQL --PageSize 100 --PageNumber "$page" 2>/dev/null) || exit 1
    ids=$(printf '%s\n' "$out" | sed -n 's/.*"DBInstanceId"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/p' | sort -u)
    [ -n "$ids" ] || break
    for i in $ids; do
      p=$(aliyun rds DescribeParameters --DBInstanceId "$i" 2>/dev/null) || exit 1
      v=$(printf '%s\n' "$p" | awk '
/\{/ { nm = ""; vl = "" }
/"ParameterName"/ { nm = $0; sub(/^[^:]*:[[:space:]]*"/, "", nm); sub(/".*/, "", nm) }
/"ParameterValue"/ { vl = $0; sub(/^[^:]*:[[:space:]]*"/, "", vl); sub(/".*/, "", vl) }
/\}/ { if (nm == "log_duration") { print tolower(vl); exit } }')
      [ "$v" = on ] || { echo "log_duration=${v:-unset}: $r $i"; bad=1; }
    done
    set -- $ids
    [ "$#" -lt 100 ] && break
    page=$((page + 1))
  done
done
[ "$bad" -eq 0 ] && echo compliant

Erwartete Ausgabe: compliant

So wird behoben

Behebungsmethode: Anleitung oder Infrastruktur-Patch

aliyun rds ModifyParameter --DBInstanceId <id> --Parameters '{"log_duration":"on"}' (RDS console > Parameters), then confirm the running value.

Eigenschaften

Betriebssysteme: Beliebig
Tags: alibabards
Referenz: CIS Alibaba Cloud Foundation Benchmark v2.0.1 - 6.9 Ensure server parameter 'log_duration is set to 'ON' for PostgreSQL Database Server

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