create-steering-policy.sh

# create answers.json
cat > answers.json <<EOF
[
  {
    "name": "server-primary",
    "rtype": "A",
    "rdata": "${PRIMARY}",
    "pool": "primary"
  },
  {
    "name": "server-secondary",
    "rtype": "A",
    "rdata": "${SECONDARY}",
    "pool": "secondary"
  }
]
EOF

# create rules.json
cat > rules.json <<'EOF'
[
  {
    "ruleType": "FILTER",
    "defaultAnswerData": [
      {
        "answerCondition": "answer.isDisabled != true",
        "shouldKeep": true
      }
    ]
  },
  { "ruleType": "HEALTH" },
  {
    "ruleType": "PRIORITY",
    "defaultAnswerData": [
      { "answerCondition": "answer.pool == 'primary'",   "value": 1  },
      { "answerCondition": "answer.pool == 'secondary'", "value": 99 }
    ]
  },
  { "ruleType": "LIMIT", "defaultCount": 1 }
]
EOF

# create failover steering policy
STEERING_POLICY_ID=$(
  oci dns steering-policy create \
    --compartment-id "$COMPARTMENT_ID" \
    --display-name "DNS-Failover-Policy" \
    --template FAILOVER \
    --ttl 30 \
    --health-check-monitor-id "$MONITOR_ID" \
    --answers file://answers.json \
    --rules file://rules.json \
    --query 'data.id' \
    --raw-output
)
echo "Steering Policy OCID: $STEERING_POLICY_ID"