Пример #1
0
int virLXCProcessStop(virLXCDriverPtr driver,
                      virDomainObjPtr vm,
                      virDomainShutoffReason reason)
{
    int rc;
    virLXCDomainObjPrivatePtr priv;

    VIR_DEBUG("Stopping VM name=%s pid=%d reason=%d",
              vm->def->name, (int)vm->pid, (int)reason);
    if (!virDomainObjIsActive(vm)) {
        VIR_DEBUG("VM '%s' not active", vm->def->name);
        return 0;
    }

    priv = vm->privateData;

    if (vm->pid <= 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("Invalid PID %d for container"), vm->pid);
        return -1;
    }

    virSecurityManagerRestoreAllLabel(driver->securityManager,
                                      vm->def, false);
    virSecurityManagerReleaseLabel(driver->securityManager, vm->def);
    /* Clear out dynamically assigned labels */
    if (vm->def->nseclabels &&
        vm->def->seclabels[0]->type == VIR_DOMAIN_SECLABEL_DYNAMIC) {
        VIR_FREE(vm->def->seclabels[0]->model);
        VIR_FREE(vm->def->seclabels[0]->label);
        VIR_FREE(vm->def->seclabels[0]->imagelabel);
    }

    if (priv->cgroup) {
        rc = virCgroupKillPainfully(priv->cgroup);
        if (rc < 0)
            return -1;
        if (rc > 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("Some processes refused to die"));
            return -1;
        }
    } else {
        /* If cgroup doesn't exist, just try cleaning up the
         * libvirt_lxc process */
        if (virProcessKillPainfully(vm->pid, true) < 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("Processes %d refused to die"), (int)vm->pid);
            return -1;
        }
    }

    virLXCProcessCleanup(driver, vm, reason);

    return 0;
}
Пример #2
0
int virLXCProcessStop(virLXCDriverPtr driver,
                      virDomainObjPtr vm,
                      virDomainShutoffReason reason)
{
    int rc;
    virLXCDomainObjPrivatePtr priv;

    VIR_DEBUG("Stopping VM name=%s pid=%d reason=%d",
              vm->def->name, (int)vm->pid, (int)reason);
    if (!virDomainObjIsActive(vm)) {
        VIR_DEBUG("VM '%s' not active", vm->def->name);
        return 0;
    }

    priv = vm->privateData;

    if (vm->pid <= 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("Invalid PID %d for container"), vm->pid);
        return -1;
    }

    virSecurityManagerRestoreAllLabel(driver->securityManager,
                                      vm->def, false);
    virSecurityManagerReleaseLabel(driver->securityManager, vm->def);
    /* Clear out dynamically assigned labels */
    if (vm->def->nseclabels &&
        vm->def->seclabels[0]->type == VIR_DOMAIN_SECLABEL_DYNAMIC) {
        VIR_FREE(vm->def->seclabels[0]->model);
        VIR_FREE(vm->def->seclabels[0]->label);
        VIR_FREE(vm->def->seclabels[0]->imagelabel);
    }

    /* If the LXC domain is suspended we send all processes a SIGKILL
     * and thaw them. Upon wakeup the process sees the pending signal
     * and dies immediately. It is guaranteed that priv->cgroup != NULL
     * here because the domain has aleady been suspended using the
     * freezer cgroup.
     */
    if (reason == VIR_DOMAIN_SHUTOFF_DESTROYED &&
        virDomainObjGetState(vm, NULL) == VIR_DOMAIN_PAUSED) {
        if (virCgroupKillRecursive(priv->cgroup, SIGKILL) <= 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("Unable to kill all processes"));
            return -1;
        }

        if (virCgroupSetFreezerState(priv->cgroup, "THAWED") < 0) {
            virReportError(VIR_ERR_OPERATION_FAILED, "%s",
                           _("Unable to thaw all processes"));

            return -1;
        }

        goto cleanup;
    }

    if (priv->cgroup) {
        rc = virCgroupKillPainfully(priv->cgroup);
        if (rc < 0)
            return -1;
        if (rc > 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("Some processes refused to die"));
            return -1;
        }
    } else {
        /* If cgroup doesn't exist, just try cleaning up the
         * libvirt_lxc process */
        if (virProcessKillPainfully(vm->pid, true) < 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("Processes %d refused to die"), (int)vm->pid);
            return -1;
        }
    }

 cleanup:
    virLXCProcessCleanup(driver, vm, reason);

    return 0;
}