Use version API for VMC

With recent VMC rollouts, /node/version API is available, although
only accesible with Bearer token auth.
This change switches to use it, rather than determining version with
newly exposed APIs. In case version API is not accesible, old workaround
is still applied.

Signed-off-by: Anna Khmelnitsky <[email protected]>

nsxt/provider.go

@@ -698,17 +698,21 @@ func configurePolicyConnectorData(d *schema.ResourceData, clients *nsxtClients)
 		return nil
 	}
 
-	err = configureLicenses(getPolicyConnector(*clients), clients.CommonConfig.LicenseDiff)
-	if err != nil {
-		return err
+	if !isVMC {
+		err = configureLicenses(getPolicyConnectorForInit(*clients), clients.CommonConfig.LicenseDiff)
+		if err != nil {
+			return err
+		}
 	}
 
-	if isVMC {
-		// Special treatment for VMC since MP API is not available there
+	err = initNSXVersion(getPolicyConnectorForInit(*clients))
+	if err != nil && isVMC {
+		// In case version API does not work for VMC, we workaround by testing version-specific APIs
+		// TODO - remove this when /node/version API works for all auth methods on VMC
 		initNSXVersionVMC(*clients)
 		return nil
 	}
-	return initNSXVersion(getPolicyConnector(*clients))
+	return err
 }
 
 func getConfiguredSecurityContext(clients *nsxtClients, vmcAccessToken string, vmcAuthHost string, vmcAuthMode string, username string, password string) (*core.SecurityContextImpl, error) {
@@ -723,10 +727,10 @@ func getConfiguredSecurityContext(clients *nsxtClients, vmcAccessToken string, v
 			return nil, err
 		}
 
-		if vmcAuthMode == "Bearer" {
-			clients.CommonConfig.BearerToken = apiToken
-		} else {
-
+		// We'll be sending Bearer token anyway even with scp-auth-token auth
+		// For now, node API is not working on VMC without Bearer token present
+		clients.CommonConfig.BearerToken = apiToken
+		if vmcAuthMode != "Bearer" {
 			securityCtx.SetProperty(security.AUTHENTICATION_SCHEME_ID, security.OAUTH_SCHEME_ID)
 			securityCtx.SetProperty(security.ACCESS_TOKEN, apiToken)
 		}
@@ -939,10 +943,14 @@ func providerConfigure(d *schema.ResourceData) (interface{}, error) {
 }
 
 func getPolicyConnector(clients interface{}) client.Connector {
-	return getPolicyConnectorWithHeaders(clients, nil)
+	return getPolicyConnectorWithHeaders(clients, nil, false)
+}
+
+func getPolicyConnectorForInit(clients interface{}) client.Connector {
+	return getPolicyConnectorWithHeaders(clients, nil, true)
 }
 
-func getPolicyConnectorWithHeaders(clients interface{}, customHeaders *map[string]string) client.Connector {
+func getPolicyConnectorWithHeaders(clients interface{}, customHeaders *map[string]string, initFlow bool) client.Connector {
 	c := clients.(nsxtClients)
 
 	retryFunc := func(retryContext retry.RetryContext) bool {
@@ -1014,7 +1022,7 @@ func getPolicyConnectorWithHeaders(clients interface{}, customHeaders *map[strin
 	connector := client.NewConnector(c.Host, connectorOptions...)
 	// Init NSX version on demand if not done yet
 	// This is also our indication to apply licenses, in case of delayed connection
-	if nsxVersion == "" {
+	if nsxVersion == "" && !initFlow {
 		initNSXVersion(connector)
 		err := configureLicenses(connector, c.CommonConfig.LicenseDiff)
 		if err != nil {