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qemu: wire up support for once only autostart

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Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2024-12-20 12:43:28 +00:00
parent 602f2e60ca
commit 7e153492e7
1 changed files with 97 additions and 0 deletions
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97
src/qemu/qemu_driver.c
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@ -7795,6 +7795,101 @@ static int qemuDomainSetAutostart(virDomainPtr dom,
}
static int
qemuDomainGetAutostartOnce(virDomainPtr dom,
int *autostart)
{
virDomainObj *vm;
int ret = -1;
if (!(vm = qemuDomainObjFromDomain(dom)))
goto cleanup;
if (virDomainGetAutostartOnceEnsureACL(dom->conn, vm->def) < 0)
goto cleanup;
*autostart = vm->autostartOnce;
ret = 0;
cleanup:
virDomainObjEndAPI(&vm);
return ret;
}
static int
qemuDomainSetAutostartOnce(virDomainPtr dom,
int autostart)
{
virQEMUDriver *driver = dom->conn->privateData;
virDomainObj *vm;
g_autofree char *configFile = NULL;
g_autofree char *autostartLink = NULL;
g_autofree char *autostartOnceLink = NULL;
int ret = -1;
g_autoptr(virQEMUDriverConfig) cfg = NULL;
if (!(vm = qemuDomainObjFromDomain(dom)))
return -1;
cfg = virQEMUDriverGetConfig(driver);
if (virDomainSetAutostartOnceEnsureACL(dom->conn, vm->def) < 0)
goto cleanup;
if (!vm->persistent) {
virReportError(VIR_ERR_OPERATION_INVALID,
"%s", _("cannot set autostart for transient domain"));
goto cleanup;
}
autostart = (autostart != 0);
if (vm->autostartOnce != autostart) {
if (virDomainObjBeginJob(vm, VIR_JOB_MODIFY) < 0)
goto cleanup;
configFile = virDomainConfigFile(cfg->configDir, vm->def->name);
autostartLink = virDomainConfigFile(cfg->autostartDir, vm->def->name);
autostartOnceLink = g_strdup_printf("%s.once", autostartLink);
if (autostart) {
if (g_mkdir_with_parents(cfg->autostartDir, 0777) < 0) {
virReportSystemError(errno,
_("cannot create autostart directory %1$s"),
cfg->autostartDir);
goto endjob;
}
if (symlink(configFile, autostartOnceLink) < 0) {
virReportSystemError(errno,
_("Failed to create symlink '%1$s' to '%2$s'"),
autostartOnceLink, configFile);
goto endjob;
}
} else {
if (unlink(autostartOnceLink) < 0 &&
errno != ENOENT &&
errno != ENOTDIR) {
virReportSystemError(errno,
_("Failed to delete symlink '%1$s'"),
autostartOnceLink);
goto endjob;
}
}
vm->autostartOnce = autostart;
endjob:
virDomainObjEndJob(vm);
}
ret = 0;
cleanup:
virDomainObjEndAPI(&vm);
return ret;
}
static char *qemuDomainGetSchedulerType(virDomainPtr dom,
int *nparams)
{
@ -20187,6 +20282,8 @@ static virHypervisorDriver qemuHypervisorDriver = {
.domainSetLaunchSecurityState = qemuDomainSetLaunchSecurityState, /* 8.0.0 */
.domainFDAssociate = qemuDomainFDAssociate, /* 9.0.0 */
.domainGraphicsReload = qemuDomainGraphicsReload, /* 10.2.0 */
.domainGetAutostartOnce = qemuDomainGetAutostartOnce, /* 11.2.0 */
.domainSetAutostartOnce = qemuDomainSetAutostartOnce, /* 11.2.0 */
};