[PATCH v3 1/5] Introduce virDomainRename API

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Also, among with this new API new ACL that restricts rename capability
is invented too.

Signed-off-by: Tomas Meszaros <exo@xxxxxx>
---
 include/libvirt/libvirt-domain.h |  4 ++++
 src/driver-hypervisor.h          |  6 ++++++
 src/libvirt-domain.c             | 34 ++++++++++++++++++++++++++++++++++
 src/libvirt_public.syms          |  5 +++++
 src/remote/remote_driver.c       |  1 +
 src/remote/remote_protocol.x     | 18 +++++++++++++++++-
 src/remote_protocol-structs      |  8 ++++++++
 7 files changed, 75 insertions(+), 1 deletion(-)

diff --git a/include/libvirt/libvirt-domain.h b/include/libvirt/libvirt-domain.h
index e8202cf..82f86bb 100644
--- a/include/libvirt/libvirt-domain.h
+++ b/include/libvirt/libvirt-domain.h
@@ -3837,4 +3837,8 @@ int virDomainSetUserPassword(virDomainPtr dom,
                              const char *password,
                              unsigned int flags);

+int virDomainRename(virDomainPtr dom,
+                    const char *new_name,
+                    unsigned int flags);
+
 #endif /* __VIR_LIBVIRT_DOMAIN_H__ */
diff --git a/src/driver-hypervisor.h b/src/driver-hypervisor.h
index 3275343..ae2ec4d 100644
--- a/src/driver-hypervisor.h
+++ b/src/driver-hypervisor.h
@@ -650,6 +650,11 @@ typedef int
 (*virDrvDomainIsActive)(virDomainPtr dom);

 typedef int
+(*virDrvDomainRename)(virDomainPtr dom,
+                      const char *new_name,
+                      unsigned int flags);
+
+typedef int
 (*virDrvDomainIsPersistent)(virDomainPtr dom);

 typedef int
@@ -1347,6 +1352,7 @@ struct _virHypervisorDriver {
     virDrvConnectIsEncrypted connectIsEncrypted;
     virDrvConnectIsSecure connectIsSecure;
     virDrvDomainIsActive domainIsActive;
+    virDrvDomainRename domainRename;
     virDrvDomainIsPersistent domainIsPersistent;
     virDrvDomainIsUpdated domainIsUpdated;
     virDrvConnectCompareCPU connectCompareCPU;
diff --git a/src/libvirt-domain.c b/src/libvirt-domain.c
index 837933f..b8618d8 100644
--- a/src/libvirt-domain.c
+++ b/src/libvirt-domain.c
@@ -8774,6 +8774,40 @@ virDomainIsPersistent(virDomainPtr dom)
     return -1;
 }

+/**
+ * virDomainRename:
+ * @dom: pointer to the domain object
+ * @new_name: new domain name
+ * @flags: extra flags; not used yet, so callers should always pass 0
+ *
+ * Rename a domain. New domain name is specified in the second
+ * argument. Depending on each driver implementation it may be
+ * required that domain is in a specific state.
+ *
+ * Returns 0 if renamed, -1 on error
+ */
+int
+virDomainRename(virDomainPtr dom, const char *new_name,
+                unsigned int flags ATTRIBUTE_UNUSED)
+{
+    VIR_DEBUG("dom=%p, new_name=%s", dom, NULLSTR(new_name));
+
+    virResetLastError();
+    virCheckDomainReturn(dom, -1);
+    virCheckNonNullArgGoto(new_name, error);
+
+    if (dom->conn->driver->domainRename) {
+        int ret = dom->conn->driver->domainRename(dom, new_name, flags);
+        if (ret < 0)
+            goto error;
+        return ret;
+    }
+
+    virReportUnsupportedError();
+ error:
+    virDispatchError(dom->conn);
+    return -1;
+}

 /**
  * virDomainIsUpdated:
diff --git a/src/libvirt_public.syms b/src/libvirt_public.syms
index 2c653f2..dd94191 100644
--- a/src/libvirt_public.syms
+++ b/src/libvirt_public.syms
@@ -720,4 +720,9 @@ LIBVIRT_1.2.17 {
         virTypedParamsAddStringList;
 } LIBVIRT_1.2.16;

+LIBVIRT_1.2.19 {
+    global:
+        virDomainRename;
+} LIBVIRT_1.2.17;
+
 # .... define new API here using predicted next version number ....
diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c
index 5c4cf7c..ec26ebe 100644
--- a/src/remote/remote_driver.c
+++ b/src/remote/remote_driver.c
@@ -8391,6 +8391,7 @@ static virHypervisorDriver hypervisor_driver = {
     .domainGetFSInfo = remoteDomainGetFSInfo, /* 1.2.11 */
     .domainInterfaceAddresses = remoteDomainInterfaceAddresses, /* 1.2.14 */
     .domainSetUserPassword = remoteDomainSetUserPassword, /* 1.2.16 */
+    .domainRename = remoteDomainRename, /* 1.2.19 */
 };

 static virNetworkDriver network_driver = {
diff --git a/src/remote/remote_protocol.x b/src/remote/remote_protocol.x
index 9f1be6b..770aa72 100644
--- a/src/remote/remote_protocol.x
+++ b/src/remote/remote_protocol.x
@@ -3230,6 +3230,15 @@ struct remote_domain_set_user_password_args {
     unsigned int flags;
 };

+struct remote_domain_rename_args {
+    remote_nonnull_domain dom;
+    remote_string new_name;
+    unsigned int flags;
+};
+
+struct remote_domain_rename_ret {
+    int rename;
+};

 /*----- Protocol. -----*/

@@ -5696,5 +5705,12 @@ enum remote_procedure {
      * @generate:both
      * @acl: domain:set_password
      */
-    REMOTE_PROC_DOMAIN_SET_USER_PASSWORD = 357
+    REMOTE_PROC_DOMAIN_SET_USER_PASSWORD = 357,
+
+    /**
+     * @generate: both
+     * @acl: domain:write
+     * @acl: domain:save
+     */
+    REMOTE_PROC_DOMAIN_RENAME = 358
 };
diff --git a/src/remote_protocol-structs b/src/remote_protocol-structs
index 48c3bd8..1fdaa55 100644
--- a/src/remote_protocol-structs
+++ b/src/remote_protocol-structs
@@ -2684,6 +2684,13 @@ struct remote_domain_set_user_password_args {
         remote_string              password;
         u_int                      flags;
 };
+struct remote_domain_rename_args {
+        remote_nonnull_domain      dom;
+        remote_string              new_name;
+};
+struct remote_domain_rename_ret {
+        int                        rename;
+};
 enum remote_procedure {
         REMOTE_PROC_CONNECT_OPEN = 1,
         REMOTE_PROC_CONNECT_CLOSE = 2,
@@ -3042,4 +3049,5 @@ enum remote_procedure {
         REMOTE_PROC_DOMAIN_ADD_IOTHREAD = 355,
         REMOTE_PROC_DOMAIN_DEL_IOTHREAD = 356,
         REMOTE_PROC_DOMAIN_SET_USER_PASSWORD = 357,
+        REMOTE_PROC_DOMAIN_RENAME = 358,
 };
--
2.1.0

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