Ejemplo n.º 1
0
/*
 * qemuAgentFSThaw:
 * @mon: Agent
 *
 * Issue guest-fsfreeze-thaw command to guest agent,
 * which unfreezes all mounted file systems and returns
 * number of thawed file systems on success.
 *
 * Returns: number of file system thawed on success,
 *          -1 on error.
 */
int qemuAgentFSThaw(qemuAgentPtr mon)
{
    int ret = -1;
    virJSONValuePtr cmd;
    virJSONValuePtr reply = NULL;

    cmd = qemuAgentMakeCommand("guest-fsfreeze-thaw", NULL);

    if (!cmd)
        return -1;

    if (qemuAgentCommand(mon, cmd, &reply,
                         VIR_DOMAIN_QEMU_AGENT_COMMAND_BLOCK) < 0 ||
        qemuAgentCheckError(cmd, reply) < 0)
        goto cleanup;

    if (virJSONValueObjectGetNumberInt(reply, "return", &ret) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("malformed return value"));
    }

cleanup:
    virJSONValueFree(cmd);
    virJSONValueFree(reply);
    return ret;
}
Ejemplo n.º 2
0
/**
 * Set the VCPU state using guest agent.
 *
 * Returns -1 on error, ninfo in case everything was successful and less than
 * ninfo on a partial failure.
 */
int
qemuAgentSetVCPUs(qemuAgentPtr mon,
                  qemuAgentCPUInfoPtr info,
                  size_t ninfo)
{
    int ret = -1;
    virJSONValuePtr cmd = NULL;
    virJSONValuePtr reply = NULL;
    virJSONValuePtr cpus = NULL;
    virJSONValuePtr cpu = NULL;
    size_t i;

    /* create the key data array */
    if (!(cpus = virJSONValueNewArray()))
        goto cleanup;

    for (i = 0; i < ninfo; i++) {
        qemuAgentCPUInfoPtr in = &info[i];

        /* create single cpu object */
        if (!(cpu = virJSONValueNewObject()))
            goto cleanup;

        if (virJSONValueObjectAppendNumberInt(cpu, "logical-id", in->id) < 0)
            goto cleanup;

        if (virJSONValueObjectAppendBoolean(cpu, "online", in->online) < 0)
            goto cleanup;

        if (virJSONValueArrayAppend(cpus, cpu) < 0)
            goto cleanup;

        cpu = NULL;
    }

    if (!(cmd = qemuAgentMakeCommand("guest-set-vcpus",
                                     "a:vcpus", cpus,
                                     NULL)))
        goto cleanup;

    cpus = NULL;

    if (qemuAgentCommand(mon, cmd, &reply, true,
                         VIR_DOMAIN_QEMU_AGENT_COMMAND_BLOCK) < 0)
        goto cleanup;

    if (virJSONValueObjectGetNumberInt(reply, "return", &ret) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("malformed return value"));
    }

 cleanup:
    virJSONValueFree(cmd);
    virJSONValueFree(reply);
    virJSONValueFree(cpu);
    virJSONValueFree(cpus);
    return ret;
}
Ejemplo n.º 3
0
static virLogHandlerLogFilePtr
virLogHandlerLogFilePostExecRestart(virLogHandlerPtr handler,
                                    virJSONValuePtr object)
{
    virLogHandlerLogFilePtr file;
    const char *path;

    if (VIR_ALLOC(file) < 0)
        return NULL;

    handler->inhibitor(true, handler->opaque);

    if ((path = virJSONValueObjectGetString(object, "path")) == NULL) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Missing file path in JSON document"));
        goto error;
    }

    if ((file->file = virRotatingFileWriterNew(path,
                                               DEFAULT_FILE_SIZE,
                                               DEFAULT_MAX_BACKUP,
                                               false,
                                               DEFAULT_MODE)) == NULL)
        goto error;

    if (virJSONValueObjectGetNumberInt(object, "pipefd", &file->pipefd) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Missing file pipefd in JSON document"));
        goto error;
    }
    if (virSetInherit(file->pipefd, false) < 0) {
        virReportSystemError(errno, "%s",
                             _("Cannot enable close-on-exec flag"));
        goto error;
    }

    return file;

 error:
    handler->inhibitor(false, handler->opaque);
    virLogHandlerLogFileFree(file);
    return NULL;
}
Ejemplo n.º 4
0
/*
 * qemuAgentFSFreeze:
 * @mon: Agent
 * @mountpoints: Array of mountpoint paths to be frozen, or NULL for all
 * @nmountpoints: Number of mountpoints to be frozen, or 0 for all
 *
 * Issue guest-fsfreeze-freeze command to guest agent,
 * which freezes file systems mounted on specified mountpoints
 * (or all file systems when @mountpoints is NULL), and returns
 * number of frozen file systems on success.
 *
 * Returns: number of file system frozen on success,
 *          -1 on error.
 */
int qemuAgentFSFreeze(qemuAgentPtr mon, const char **mountpoints,
                      unsigned int nmountpoints)
{
    int ret = -1;
    virJSONValuePtr cmd, arg = NULL;
    virJSONValuePtr reply = NULL;

    if (mountpoints && nmountpoints) {
        arg = qemuAgentMakeStringsArray(mountpoints, nmountpoints);
        if (!arg)
            return -1;

        cmd = qemuAgentMakeCommand("guest-fsfreeze-freeze-list",
                                   "a:mountpoints", arg, NULL);
    } else {
        cmd = qemuAgentMakeCommand("guest-fsfreeze-freeze", NULL);
    }

    if (!cmd)
        goto cleanup;
    arg = NULL;

    if (qemuAgentCommand(mon, cmd, &reply, true,
                         VIR_DOMAIN_QEMU_AGENT_COMMAND_BLOCK) < 0)
        goto cleanup;

    if (virJSONValueObjectGetNumberInt(reply, "return", &ret) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("malformed return value"));
    }

 cleanup:
    virJSONValueFree(arg);
    virJSONValueFree(cmd);
    virJSONValueFree(reply);
    return ret;
}
Ejemplo n.º 5
0
static int
testJSONLookup(const void *data)
{
    const struct testInfo *info = data;
    virJSONValuePtr json;
    virJSONValuePtr value = NULL;
    char *result = NULL;
    int rc;
    int number;
    const char *str;
    int ret = -1;

    json = virJSONValueFromString(info->doc);
    if (!json) {
        VIR_TEST_VERBOSE("Fail to parse %s\n", info->doc);
        ret = -1;
        goto cleanup;
    }

    value = virJSONValueObjectGetObject(json, "a");
    if (value) {
        if (!info->pass) {
            VIR_TEST_VERBOSE("lookup for 'a' in '%s' should have failed\n",
                             info->doc);
            goto cleanup;
        } else {
            result = virJSONValueToString(value, false);
            if (STRNEQ_NULLABLE(result, "{}")) {
                VIR_TEST_VERBOSE("lookup for 'a' in '%s' found '%s' but "
                                 "should have found '{}'\n",
                                 info->doc, NULLSTR(result));
                goto cleanup;
            }
            VIR_FREE(result);
        }
    } else if (info->pass) {
        VIR_TEST_VERBOSE("lookup for 'a' in '%s' should have succeeded\n",
                         info->doc);
        goto cleanup;
    }

    number = 2;
    rc = virJSONValueObjectGetNumberInt(json, "b", &number);
    if (rc == 0) {
        if (!info->pass) {
            VIR_TEST_VERBOSE("lookup for 'b' in '%s' should have failed\n",
                             info->doc);
            goto cleanup;
        } else if (number != 1) {
            VIR_TEST_VERBOSE("lookup for 'b' in '%s' found %d but "
                             "should have found 1\n",
                             info->doc, number);
            goto cleanup;
        }
    } else if (info->pass) {
        VIR_TEST_VERBOSE("lookup for 'b' in '%s' should have succeeded\n",
                         info->doc);
        goto cleanup;
    }

    str = virJSONValueObjectGetString(json, "c");
    if (str) {
        if (!info->pass) {
            VIR_TEST_VERBOSE("lookup for 'c' in '%s' should have failed\n",
                             info->doc);
            goto cleanup;
        } else if (STRNEQ(str, "str")) {
            VIR_TEST_VERBOSE("lookup for 'c' in '%s' found '%s' but "
                             "should have found 'str'\n", info->doc, str);
                goto cleanup;
        }
    } else if (info->pass) {
        VIR_TEST_VERBOSE("lookup for 'c' in '%s' should have succeeded\n",
                         info->doc);
        goto cleanup;
    }

    value = virJSONValueObjectGetArray(json, "d");
    if (value) {
        if (!info->pass) {
            VIR_TEST_VERBOSE("lookup for 'd' in '%s' should have failed\n",
                             info->doc);
            goto cleanup;
        } else {
            result = virJSONValueToString(value, false);
            if (STRNEQ_NULLABLE(result, "[]")) {
                VIR_TEST_VERBOSE("lookup for 'd' in '%s' found '%s' but "
                                 "should have found '[]'\n",
                                 info->doc, NULLSTR(result));
                goto cleanup;
            }
            VIR_FREE(result);
        }
    } else if (info->pass) {
        VIR_TEST_VERBOSE("lookup for 'd' in '%s' should have succeeded\n",
                         info->doc);
        goto cleanup;
    }

    ret = 0;

 cleanup:
    virJSONValueFree(json);
    VIR_FREE(result);
    return ret;
}
Ejemplo n.º 6
0
virNetServerClientPtr virNetServerClientNewPostExecRestart(virJSONValuePtr object,
                                                           virNetServerClientPrivNewPostExecRestart privNew,
                                                           virNetServerClientPrivPreExecRestart privPreExecRestart,
                                                           virFreeCallback privFree,
                                                           void *privOpaque)
{
    virJSONValuePtr child;
    virNetServerClientPtr client = NULL;
    virNetSocketPtr sock;
    int auth;
    bool readonly;
    unsigned int nrequests_max;

    if (virJSONValueObjectGetNumberInt(object, "auth", &auth) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Missing auth field in JSON state document"));
        return NULL;
    }
    if (virJSONValueObjectGetBoolean(object, "readonly", &readonly) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Missing readonly field in JSON state document"));
        return NULL;
    }
    if (virJSONValueObjectGetNumberUint(object, "nrequests_max",
                                        (unsigned int *)&nrequests_max) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Missing nrequests_client_max field in JSON state document"));
        return NULL;
    }

    if (!(child = virJSONValueObjectGet(object, "sock"))) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Missing sock field in JSON state document"));
        return NULL;
    }

    if (!(sock = virNetSocketNewPostExecRestart(child))) {
        virObjectUnref(sock);
        return NULL;
    }

    if (!(client = virNetServerClientNewInternal(sock,
                                                 auth,
#ifdef WITH_GNUTLS
                                                 NULL,
#endif
                                                 readonly,
                                                 nrequests_max))) {
        virObjectUnref(sock);
        return NULL;
    }
    virObjectUnref(sock);

    if (privNew) {
        if (!(child = virJSONValueObjectGet(object, "privateData"))) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("Missing privateData field in JSON state document"));
            goto error;
        }
        if (!(client->privateData = privNew(client, child, privOpaque)))
            goto error;
        client->privateDataFreeFunc = privFree;
        client->privateDataPreExecRestart = privPreExecRestart;
    }


    return client;

 error:
    virObjectUnref(client);
    return NULL;
}
Ejemplo n.º 7
0
virNetServerClientPtr virNetServerClientNewPostExecRestart(virJSONValuePtr object,
                                                           virNetServerClientPrivNewPostExecRestart privNew,
                                                           virNetServerClientPrivPreExecRestart privPreExecRestart,
                                                           virFreeCallback privFree,
                                                           void *privOpaque,
                                                           void *opaque)
{
    virJSONValuePtr child;
    virNetServerClientPtr client = NULL;
    virNetSocketPtr sock;
    int auth;
    bool readonly;
    unsigned int nrequests_max;
    unsigned long long id;
    long long timestamp;

    if (virJSONValueObjectGetNumberInt(object, "auth", &auth) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Missing auth field in JSON state document"));
        return NULL;
    }
    if (virJSONValueObjectGetBoolean(object, "readonly", &readonly) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Missing readonly field in JSON state document"));
        return NULL;
    }
    if (virJSONValueObjectGetNumberUint(object, "nrequests_max",
                                        &nrequests_max) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Missing nrequests_client_max field in JSON state document"));
        return NULL;
    }

    if (!(child = virJSONValueObjectGet(object, "sock"))) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Missing sock field in JSON state document"));
        return NULL;
    }

    if (!virJSONValueObjectHasKey(object, "id")) {
        /* no ID found in, a new one must be generated */
        id = virNetServerNextClientID((virNetServerPtr) opaque);
    } else {
        if (virJSONValueObjectGetNumberUlong(object, "id", &id) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Malformed id field in JSON state document"));
        return NULL;
        }
    }

    if (!virJSONValueObjectHasKey(object, "conn_time")) {
        timestamp = 0;
    } else {
        if (virJSONValueObjectGetNumberLong(object, "conn_time", &timestamp) < 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("Malformed conn_time field in JSON "
                             "state document"));
            return NULL;
        }
    }

    if (!(sock = virNetSocketNewPostExecRestart(child))) {
        virObjectUnref(sock);
        return NULL;
    }

    if (!(client = virNetServerClientNewInternal(id,
                                                 sock,
                                                 auth,
#ifdef WITH_GNUTLS
                                                 NULL,
#endif
                                                 readonly,
                                                 nrequests_max,
                                                 timestamp))) {
        virObjectUnref(sock);
        return NULL;
    }
    virObjectUnref(sock);

    if (privNew) {
        if (!(child = virJSONValueObjectGet(object, "privateData"))) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("Missing privateData field in JSON state document"));
            goto error;
        }
        if (!(client->privateData = privNew(client, child, privOpaque)))
            goto error;
        client->privateDataFreeFunc = privFree;
        client->privateDataPreExecRestart = privPreExecRestart;
    }


    return client;

 error:
    virObjectUnref(client);
    return NULL;
}
Ejemplo n.º 8
0
virNetServerClientPtr virNetServerClientNewPostExecRestart(virNetServerPtr srv,
                                                           virJSONValuePtr object,
                                                           virNetServerClientPrivNewPostExecRestart privNew,
                                                           virNetServerClientPrivPreExecRestart privPreExecRestart,
                                                           virFreeCallback privFree,
                                                           void *privOpaque)
{
    virJSONValuePtr child;
    virNetServerClientPtr client = NULL;
    virNetSocketPtr sock;
    int auth;
    bool readonly, auth_pending;
    unsigned int nrequests_max;
    unsigned long long id;
    long long timestamp;

    if (virJSONValueObjectGetNumberInt(object, "auth", &auth) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Missing auth field in JSON state document"));
        return NULL;
    }

    if (!virJSONValueObjectHasKey(object, "auth_pending")) {
        auth_pending = !virNetServerClientAuthMethodImpliesAuthenticated(auth);
    } else {
        if (virJSONValueObjectGetBoolean(object, "auth_pending", &auth_pending) < 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("Malformed auth_pending field in JSON state document"));
            return NULL;
        }

        /* If the used authentication method implies that the new
         * client is automatically authenticated, the authentication
         * cannot be pending */
        if (auth_pending && virNetServerClientAuthMethodImpliesAuthenticated(auth)) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("Invalid auth_pending and auth combination in JSON state document"));
            return NULL;
        }
    }

    if (virJSONValueObjectGetBoolean(object, "readonly", &readonly) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Missing readonly field in JSON state document"));
        return NULL;
    }
    if (virJSONValueObjectGetNumberUint(object, "nrequests_max",
                                        &nrequests_max) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Missing nrequests_client_max field in JSON state document"));
        return NULL;
    }

    if (!(child = virJSONValueObjectGet(object, "sock"))) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Missing sock field in JSON state document"));
        return NULL;
    }

    if (!virJSONValueObjectHasKey(object, "id")) {
        /* no ID found in, a new one must be generated */
        id = virNetServerNextClientID(srv);
    } else {
        if (virJSONValueObjectGetNumberUlong(object, "id", &id) < 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("Malformed id field in JSON state document"));
            return NULL;
        }
    }

    if (!virJSONValueObjectHasKey(object, "conn_time")) {
        timestamp = 0;
    } else {
        if (virJSONValueObjectGetNumberLong(object, "conn_time", &timestamp) < 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("Malformed conn_time field in JSON "
                             "state document"));
            return NULL;
        }
    }

    if (!(sock = virNetSocketNewPostExecRestart(child))) {
        virObjectUnref(sock);
        return NULL;
    }

    if (!(client = virNetServerClientNewInternal(id,
                                                 sock,
                                                 auth,
                                                 auth_pending,
                                                 NULL,
                                                 readonly,
                                                 nrequests_max,
                                                 timestamp))) {
        virObjectUnref(sock);
        return NULL;
    }
    virObjectUnref(sock);

    if (!(child = virJSONValueObjectGet(object, "privateData"))) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("Missing privateData field in JSON state document"));
        goto error;
    }

    if (!(client->privateData = privNew(client, child, privOpaque)))
        goto error;

    client->privateDataFreeFunc = privFree;
    client->privateDataPreExecRestart = privPreExecRestart;


    return client;

 error:
    virObjectUnref(client);
    return NULL;
}