![ReDoc](https://fastapi.tiangolo.com/img/index/index-02-redoc-simple.png)

### OpenAPI

**FastAPI** generuje "schemat" z całym Twoim API przy użyciu standardu **OpenAPI** służącego do definiowania API.

#### Schema

"Schema" jest definicją lub opisem czegoś. Nie jest to kod, który go implementuje, ale po prostu abstrakcyjny opis.

				sniHosts = append(sniHosts, alt...)
			}
		}
		destinationRule := CastDestinationRule(node.SidecarScope.DestinationRule(
			model.TrafficDirectionOutbound, node, service.Hostname).GetRule())
		var destinationCIDRs []string
		if destinationCIDR != "" {
			destinationCIDRs = []string{destinationCIDR}
		}
		out = append(out, &filterChainOpts{
			sniHosts:         sniHosts,

	if s[0] != ',' && s[0] != ';' {
		return "", 0, 0, 0, false, false
	}
	s = s[1:]

	var startRule, endRule rule
	startRule, s, ok = tzsetRule(s)
	if !ok || len(s) == 0 || s[0] != ',' {
		return "", 0, 0, 0, false, false
	}
	s = s[1:]
	endRule, s, ok = tzsetRule(s)
	if !ok || len(s) > 0 {
		return "", 0, 0, 0, false, false
	}

            responseData.setSessionId(crawlingInfoId);

            final RuleManager ruleManager = SingletonLaContainer.getComponent(RuleManager.class);
            final Rule rule = ruleManager.getRule(responseData);
            if (rule == null) {
                throw new CrawlingAccessException("No url rule for " + url);
            }
            responseData.setRuleId(rule.getRuleId());

        }
        return true;
    }

    protected void processResponse(final UrlQueue<?> urlQueue, final ResponseData responseData) {
        // get a rule
        final Rule rule = crawlerContext.ruleManager.getRule(responseData);
        if (rule == null) {
            log(logHelper, LogType.NO_RULE, crawlerContext, urlQueue, responseData);
        } else {
            responseData.setRuleId(rule.getRuleId());

	var destinationRule *networking.DestinationRule
	if service != nil {
		destinationRule = CastDestinationRule(node.SidecarScope.DestinationRule(model.TrafficDirectionOutbound, node, service.Hostname).GetRule())
	}
	if len(routes) == 1 {
		clusterName := istioroute.GetDestinationCluster(routes[0].Destination, service, port.Port)
		statPrefix := clusterName

	// choice of inbound cluster is arbitrary. So the connection pool settings may not apply cleanly.
	cfg := proxy.SidecarScope.DestinationRule(model.TrafficDirectionInbound, proxy, instance.Service.Hostname).GetRule()
	if cfg != nil {
		destinationRule := CastDestinationRule(cfg)
		opts.isDrWithSelector = destinationRule.GetWorkloadSelector() != nil
		if destinationRule.TrafficPolicy != nil {

            }

            final RuleManager ruleManager = SingletonLaContainer.getComponent(RuleManager.class);
            final Rule rule = ruleManager.getRule(responseData);
            if (rule == null) {
                logger.warn("No url rule. Data: {}", dataMap);
            } else {
                responseData.setRuleId(rule.getRuleId());

		b.subsetName = strings.TrimPrefix(b.subsetName, "http/")
		b.subsetName = strings.TrimPrefix(b.subsetName, "tcp/")
	}
	b.mtlsChecker = newMtlsChecker(b.push, b.port, b.destinationRule.GetRule(), b.subsetName)
	b.subsetLabels = getSubSetLabels(b.DestinationRule(), b.subsetName)
}

func (b *EndpointBuilder) populateFailoverPriorityLabels() {

            out.preferProjectModules();
        }
        out.setForcedModules(forcedModules);
        for (SpecRuleAction<? super ComponentSelection> ruleAction : componentSelectionRules.getRules()) {
            out.getComponentSelection().addRule(ruleAction);
        }
        if (isDependencyLockingEnabled()) {
            out.activateDependencyLocking();
        }