[libvirt] [PATCH] OpenVZ: implement suspend/resume driver APIs
---
src/openvz/openvz_driver.c | 84 ++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 82 insertions(+), 2 deletions(-)
diff --git a/src/openvz/openvz_driver.c b/src/openvz/openvz_driver.c
index e5bbdd0..bdc0e92 100644
--- a/src/openvz/openvz_driver.c
+++ b/src/openvz/openvz_driver.c
@@ -503,6 +503,86 @@ static void openvzSetProgramSentinal(const char **prog, const char
*key)
}
}
+static int openvzDomainSuspend(virDomainPtr dom) {
+ struct openvz_driver *driver = dom->conn->privateData;
+ virDomainObjPtr vm;
+ const char *prog[] = {VZCTL, "--quiet", "chkpnt",
PROGRAM_SENTINAL, "--suspend", NULL};
+ int ret = -1;
+
+ openvzDriverLock(driver);
+ vm = virDomainFindByUUID(&driver->domains, dom->uuid);
+ openvzDriverUnlock(driver);
+
+ if (!vm) {
+ openvzError(VIR_ERR_INVALID_DOMAIN, "%s",
+ _("no domain with matching uuid"));
+ goto cleanup;
+ }
+
+ if (!virDomainObjIsActive(vm)) {
+ openvzError(VIR_ERR_OPERATION_INVALID, "%s",
+ _("Domain is not running"));
+ goto cleanup;
+ }
+
+ if (vm->state != VIR_DOMAIN_PAUSED) {
+ openvzSetProgramSentinal(prog, vm->def->name);
+ if (virRun(prog, NULL) < 0) {
+ openvzError(VIR_ERR_OPERATION_FAILED, "%s",
+ _("Suspend operation failed"));
+ goto cleanup;
+ }
+ vm->state = VIR_DOMAIN_PAUSED;
+ }
+
+ ret = 0;
+
+cleanup:
+ if (vm)
+ virDomainObjUnlock(vm);
+ return ret;
+}
+
+static int openvzDomainResume(virDomainPtr dom) {
+ struct openvz_driver *driver = dom->conn->privateData;
+ virDomainObjPtr vm;
+ const char *prog[] = {VZCTL, "--quiet", "chkpnt", PROGRAM_SENTINAL,
"--resume", NULL};
+ int ret = -1;
+
+ openvzDriverLock(driver);
+ vm = virDomainFindByUUID(&driver->domains, dom->uuid);
+ openvzDriverUnlock(driver);
+
+ if (!vm) {
+ openvzError(VIR_ERR_INVALID_DOMAIN, "%s",
+ _("no domain with matching uuid"));
+ goto cleanup;
+ }
+
+ if (!virDomainObjIsActive(vm)) {
+ openvzError(VIR_ERR_OPERATION_INVALID, "%s",
+ _("Domain is not running"));
+ goto cleanup;
+ }
+
+ if (vm->state == VIR_DOMAIN_PAUSED) {
+ openvzSetProgramSentinal(prog, vm->def->name);
+ if (virRun(prog, NULL) < 0) {
+ openvzError(VIR_ERR_OPERATION_FAILED, "%s",
+ _("Resume operation failed"));
+ goto cleanup;
+ }
+ vm->state = VIR_DOMAIN_RUNNING;
+ }
+
+ ret = 0;
+
+cleanup:
+ if (vm)
+ virDomainObjUnlock(vm);
+ return ret;
+}
+
static int openvzDomainShutdown(virDomainPtr dom) {
struct openvz_driver *driver = dom->conn->privateData;
virDomainObjPtr vm;
@@ -1491,8 +1571,8 @@ static virDriver openvzDriver = {
openvzDomainLookupByID, /* domainLookupByID */
openvzDomainLookupByUUID, /* domainLookupByUUID */
openvzDomainLookupByName, /* domainLookupByName */
- NULL, /* domainSuspend */
- NULL, /* domainResume */
+ openvzDomainSuspend, /* domainSuspend */
+ openvzDomainResume, /* domainResume */
openvzDomainShutdown, /* domainShutdown */
openvzDomainReboot, /* domainReboot */
openvzDomainShutdown, /* domainDestroy */
--
1.7.0.4