func()

in pkg/appgw/configbuilder.go [80:159]

• 65 lines of code
• 7 McCabe index (conditional complexity)

func (c *appGwConfigBuilder) Build(cbCtx *ConfigBuilderContext) (*n.ApplicationGateway, error) {
	err := c.HealthProbesCollection(cbCtx)
	if err != nil {
		e := controllererrors.NewErrorWithInnerError(
			controllererrors.ErrorGeneratingProbes,
			err,
			"unable to generate Health Probes",
		)
		klog.Errorf(e.Error())
		return nil, e
	}

	err = c.BackendHTTPSettingsCollection(cbCtx)
	if err != nil {
		e := controllererrors.NewErrorWithInnerError(
			controllererrors.ErrorGeneratingBackendSettings,
			err,
			"unable to generate backend http settings",
		)
		klog.Errorf(e.Error())
		return nil, e
	}

	// BackendAddressPools depend on BackendHTTPSettings
	err = c.BackendAddressPools(cbCtx)
	if err != nil {
		e := controllererrors.NewErrorWithInnerError(
			controllererrors.ErrorCreatingBackendPools,
			err,
			"unable to generate backend address pools",
		)
		klog.Errorf(e.Error())
		return nil, e
	}

	// Listener configures the frontend listeners
	// This also creates redirection configuration (if TLS is configured and Ingress is annotated).
	// This configuration must be attached to request routing rules, which are created in the steps below.
	// The order of operations matters.
	err = c.Listeners(cbCtx)
	if err != nil {
		e := controllererrors.NewErrorWithInnerError(
			controllererrors.ErrorGeneratingListeners,
			err,
			"unable to generate frontend listeners",
		)
		klog.Errorf(e.Error())
		return nil, e
	}

	// Build RewriteRuleSets configuration
	err = c.RewriteRuleSets(cbCtx)
	if err != nil {
		e := controllererrors.NewErrorWithInnerError(
			controllererrors.ErrorCreatingRewrites,
			err,
			"unable to generate rewrite rule sets",
		)
		klog.Errorf(e.Error())
		return nil, e
	}

	// SSL redirection configurations created elsewhere will be attached to the appropriate rule in this step.
	err = c.RequestRoutingRules(cbCtx)
	if err != nil {
		e := controllererrors.NewErrorWithInnerError(
			controllererrors.ErrorGeneratingRoutingRules,
			err,
			"unable to generate request routing rules",
		)
		klog.Errorf(e.Error())
		return nil, e
	}

	// Remove unused default pool and settings
	c.CleanUpUnusedDefaults()

	c.addTags()
	return &c.appGw, nil
}