Example #1
0
virCommandPtr
virBhyveProcessBuildDestroyCmd(bhyveConnPtr driver ATTRIBUTE_UNUSED,
                               virDomainObjPtr vm)
{
    virCommandPtr cmd = virCommandNew(BHYVECTL);

    virCommandAddArg(cmd, "--destroy");
    virCommandAddArgPair(cmd, "--vm", vm->def->name);

    return cmd;
}
Example #2
0
/*
 * Constructs a argv suitable for launching uml with config defined
 * for a given virtual machine.
 */
virCommandPtr umlBuildCommandLine(virConnectPtr conn,
                                  struct uml_driver *driver,
                                  virDomainObjPtr vm)
{
    size_t i, j;
    virCommandPtr cmd;

    cmd = virCommandNew(vm->def->os.kernel);

    virCommandAddEnvPassCommon(cmd);

    //virCommandAddArgPair(cmd, "con0", "fd:0,fd:1");
    virCommandAddArgFormat(cmd, "mem=%lluK", vm->def->mem.cur_balloon);
    virCommandAddArgPair(cmd, "umid", vm->def->name);
    virCommandAddArgPair(cmd, "uml_dir", driver->monitorDir);

    if (vm->def->os.root)
        virCommandAddArgPair(cmd, "root", vm->def->os.root);

    for (i = 0; i < vm->def->ndisks; i++) {
        virDomainDiskDefPtr disk = vm->def->disks[i];

        if (!STRPREFIX(disk->dst, "ubd")) {
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("unsupported disk type '%s'"), disk->dst);
            goto error;
        }

        virCommandAddArgPair(cmd, disk->dst, virDomainDiskGetSource(disk));
    }

    for (i = 0; i < vm->def->nnets; i++) {
        char *ret = umlBuildCommandLineNet(conn, vm->def, vm->def->nets[i], i);
        if (!ret)
            goto error;
        virCommandAddArg(cmd, ret);
        VIR_FREE(ret);
    }

    for (i = 0; i < UML_MAX_CHAR_DEVICE; i++) {
        virDomainChrDefPtr chr = NULL;
        char *ret = NULL;
        for (j = 0; j < vm->def->nconsoles; j++)
            if (vm->def->consoles[j]->target.port == i)
                chr = vm->def->consoles[j];
        if (chr)
            ret = umlBuildCommandLineChr(chr, "con", cmd);
        if (!ret)
            if (virAsprintf(&ret, "con%zu=none", i) < 0)
                goto error;
        virCommandAddArg(cmd, ret);
        VIR_FREE(ret);
    }

    for (i = 0; i < UML_MAX_CHAR_DEVICE; i++) {
        virDomainChrDefPtr chr = NULL;
        char *ret = NULL;
        for (j = 0; j < vm->def->nserials; j++)
            if (vm->def->serials[j]->target.port == i)
                chr = vm->def->serials[j];
        if (chr)
            ret = umlBuildCommandLineChr(chr, "ssl", cmd);
        if (!ret)
            if (virAsprintf(&ret, "ssl%zu=none", i) < 0)
                goto error;

        virCommandAddArg(cmd, ret);
        VIR_FREE(ret);
    }

    if (vm->def->os.cmdline) {
        char *args, *next_arg;
        char *cmdline;
        if (VIR_STRDUP(cmdline, vm->def->os.cmdline) < 0)
            goto error;

        args = cmdline;
        while (*args == ' ')
            args++;

        while (*args) {
            next_arg = umlNextArg(args);
            virCommandAddArg(cmd, args);
            args = next_arg;
        }
        VIR_FREE(cmdline);
    }

    return cmd;

 error:
    virCommandFree(cmd);
    return NULL;
}
Example #3
0
static virCommandPtr
virLXCProcessBuildControllerCmd(virLXCDriverPtr driver,
                                virDomainObjPtr vm,
                                int nveths,
                                char **veths,
                                int *ttyFDs,
                                size_t nttyFDs,
                                int *files,
                                size_t nfiles,
                                int handshakefd)
{
    size_t i;
    char *filterstr;
    char *outputstr;
    virCommandPtr cmd;
    virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);

    cmd = virCommandNew(vm->def->emulator);

    /* The controller may call ip command, so we have to retain PATH. */
    virCommandAddEnvPassBlockSUID(cmd, "PATH", "/bin:/usr/bin");

    virCommandAddEnvFormat(cmd, "LIBVIRT_DEBUG=%d",
                           virLogGetDefaultPriority());

    if (virLogGetNbFilters() > 0) {
        filterstr = virLogGetFilters();
        if (!filterstr) {
            virReportOOMError();
            goto cleanup;
        }

        virCommandAddEnvPair(cmd, "LIBVIRT_LOG_FILTERS", filterstr);
        VIR_FREE(filterstr);
    }

    if (cfg->log_libvirtd) {
        if (virLogGetNbOutputs() > 0) {
            outputstr = virLogGetOutputs();
            if (!outputstr) {
                virReportOOMError();
                goto cleanup;
            }

            virCommandAddEnvPair(cmd, "LIBVIRT_LOG_OUTPUTS", outputstr);
            VIR_FREE(outputstr);
        }
    } else {
        virCommandAddEnvFormat(cmd,
                               "LIBVIRT_LOG_OUTPUTS=%d:stderr",
                               virLogGetDefaultPriority());
    }

    virCommandAddArgList(cmd, "--name", vm->def->name, NULL);
    for (i = 0; i < nttyFDs; i++) {
        virCommandAddArg(cmd, "--console");
        virCommandAddArgFormat(cmd, "%d", ttyFDs[i]);
        virCommandPassFD(cmd, ttyFDs[i], 0);
    }

    for (i = 0; i < nfiles; i++) {
        virCommandAddArg(cmd, "--passfd");
        virCommandAddArgFormat(cmd, "%d", files[i]);
        virCommandPassFD(cmd, files[i], 0);
    }

    virCommandAddArgPair(cmd, "--security",
                         virSecurityManagerGetModel(driver->securityManager));

    virCommandAddArg(cmd, "--handshake");
    virCommandAddArgFormat(cmd, "%d", handshakefd);
    virCommandAddArg(cmd, "--background");

    for (i = 0; i < nveths; i++) {
        virCommandAddArgList(cmd, "--veth", veths[i], NULL);
    }

    virCommandPassFD(cmd, handshakefd, 0);

    return cmd;
 cleanup:
    virCommandFree(cmd);
    virObjectUnref(cfg);
    return NULL;
}