qemu: Drop qemuMigrationParamsCheckSetupTLS

The code can be merged directly in qemuMigrationParamsAddTLSObjects.
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>

src/qemu/qemu_migration.c

@@ -2042,7 +2042,6 @@ qemuMigrationSrcBegin(virConnectPtr conn,
                       unsigned long flags)
 {
     virQEMUDriverPtr driver = conn->privateData;
-    virQEMUDriverConfigPtr cfg = NULL;
     char *xml = NULL;
     qemuDomainAsyncJob asyncJob;
 
@@ -2076,12 +2075,6 @@ qemuMigrationSrcBegin(virConnectPtr conn,
                                            nmigrate_disks, migrate_disks, flags)))
         goto endjob;
 
-    if (flags & VIR_MIGRATE_TLS) {
-        cfg = virQEMUDriverGetConfig(driver);
-        if (qemuMigrationParamsCheckSetupTLS(driver, cfg, vm, asyncJob) < 0)
-            goto endjob;
-    }
-
     if ((flags & VIR_MIGRATE_CHANGE_PROTECTION)) {
         /* We keep the job active across API calls until the confirm() call.
          * This prevents any other APIs being invoked while migration is taking
@@ -2098,7 +2091,6 @@ qemuMigrationSrcBegin(virConnectPtr conn,
     }
 
  cleanup:
-    virObjectUnref(cfg);
     virDomainObjEndAPI(&vm);
     return xml;
 
@@ -2460,10 +2452,6 @@ qemuMigrationDstPrepareAny(virQEMUDriverPtr driver,
      * set the migration TLS parameters */
     if (flags & VIR_MIGRATE_TLS) {
         cfg = virQEMUDriverGetConfig(driver);
-        if (qemuMigrationParamsCheckSetupTLS(driver, cfg, vm,
-                                             QEMU_ASYNC_JOB_MIGRATION_IN) < 0)
-            goto stopjob;
-
         if (qemuMigrationParamsAddTLSObjects(driver, vm, cfg, true,
                                              QEMU_ASYNC_JOB_MIGRATION_IN,
                                              &tlsAlias, &secAlias, migParams) < 0)
@@ -3421,9 +3409,6 @@ qemuMigrationSrcRun(virQEMUDriverPtr driver,
 
     if (flags & VIR_MIGRATE_TLS) {
         cfg = virQEMUDriverGetConfig(driver);
-
-        /* Begin/CheckSetupTLS already set up migTLSAlias, the following
-         * assumes that and adds the TLS objects to the domain. */
         if (qemuMigrationParamsAddTLSObjects(driver, vm, cfg, false,
                                              QEMU_ASYNC_JOB_MIGRATION_OUT,
                                              &tlsAlias, &secAlias, migParams) < 0)

src/qemu/qemu_migration_params.c

@@ -179,43 +179,48 @@ qemuMigrationParamsCheckTLSCreds(virQEMUDriverPtr driver,
 }
 
 
-/* qemuMigrationParamsCheckSetupTLS
+/* qemuMigrationParamsAddTLSObjects
  * @driver: pointer to qemu driver
  * @vm: domain object
  * @cfg: configuration pointer
- * @asyncJob: migration job to join
- *
- * Check if TLS is possible and set up the environment. Assumes the caller
- * desires to use TLS (e.g. caller found VIR_MIGRATE_TLS flag).
+ * @tlsListen: server or client
+ * @asyncJob: Migration job to join
+ * @tlsAlias: alias to be generated for TLS object
+ * @secAlias: alias to be generated for a secinfo object
+ * @migParams: migration parameters to set
  *
- * Ensure the qemu.conf has been properly configured to add an entry for
- * "migrate_tls_x509_cert_dir". Also check if the "tls-creds" parameter
- * was present from a query of migration parameters
+ * Create the TLS objects for the migration and set the migParams value
  *
- * Returns 0 on success, -1 on error/failure
+ * Returns 0 on success, -1 on failure
  */
 int
-qemuMigrationParamsCheckSetupTLS(virQEMUDriverPtr driver,
-                                 virQEMUDriverConfigPtr cfg,
+qemuMigrationParamsAddTLSObjects(virQEMUDriverPtr driver,
                                  virDomainObjPtr vm,
-                                 int asyncJob)
+                                 virQEMUDriverConfigPtr cfg,
+                                 bool tlsListen,
+                                 int asyncJob,
+                                 char **tlsAlias,
+                                 char **secAlias,
+                                 qemuMigrationParamsPtr migParams)
 {
     qemuDomainObjPrivatePtr priv = vm->privateData;
+    virJSONValuePtr tlsProps = NULL;
+    virJSONValuePtr secProps = NULL;
 
     if (!cfg->migrateTLSx509certdir) {
         virReportError(VIR_ERR_OPERATION_INVALID, "%s",
                        _("host migration TLS directory not configured"));
-        return -1;
+        goto error;
     }
 
     if (qemuMigrationParamsCheckTLSCreds(driver, vm, asyncJob) < 0)
-        return -1;
+        goto error;
 
     if (!priv->migTLSAlias) {
         virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
                        _("TLS migration is not supported with this "
                          "QEMU binary"));
-        return -1;
+        goto error;
     }
 
     /* If there's a secret, then grab/store it now using the connection */
@@ -223,39 +228,7 @@ qemuMigrationParamsCheckSetupTLS(virQEMUDriverPtr driver,
         !(priv->migSecinfo =
           qemuDomainSecretInfoTLSNew(priv, QEMU_MIGRATION_TLS_ALIAS_BASE,
                                      cfg->migrateTLSx509secretUUID)))
-        return -1;
-
-    return 0;
-}
-
-
-/* qemuMigrationParamsAddTLSObjects
- * @driver: pointer to qemu driver
- * @vm: domain object
- * @cfg: configuration pointer
- * @tlsListen: server or client
- * @asyncJob: Migration job to join
- * @tlsAlias: alias to be generated for TLS object
- * @secAlias: alias to be generated for a secinfo object
- * @migParams: migration parameters to set
- *
- * Create the TLS objects for the migration and set the migParams value
- *
- * Returns 0 on success, -1 on failure
- */
-int
-qemuMigrationParamsAddTLSObjects(virQEMUDriverPtr driver,
-                                 virDomainObjPtr vm,
-                                 virQEMUDriverConfigPtr cfg,
-                                 bool tlsListen,
-                                 int asyncJob,
-                                 char **tlsAlias,
-                                 char **secAlias,
-                                 qemuMigrationParamsPtr migParams)
-{
-    qemuDomainObjPrivatePtr priv = vm->privateData;
-    virJSONValuePtr tlsProps = NULL;
-    virJSONValuePtr secProps = NULL;
+        goto error;
 
     if (qemuDomainGetTLSObjects(priv->qemuCaps, priv->migSecinfo,
                                 cfg->migrateTLSx509certdir, tlsListen,

src/qemu/qemu_migration_params.h

@@ -71,12 +71,6 @@ qemuMigrationParamsSet(virQEMUDriverPtr driver,
                        int asyncJob,
                        qemuMigrationParamsPtr migParams);
 
-int
-qemuMigrationParamsCheckSetupTLS(virQEMUDriverPtr driver,
-                                 virQEMUDriverConfigPtr cfg,
-                                 virDomainObjPtr vm,
-                                 int asyncJob);
-
 int
 qemuMigrationParamsAddTLSObjects(virQEMUDriverPtr driver,
                                  virDomainObjPtr vm,