コード例 #1
0
ファイル: virsh-secret.c プロジェクト: 6WIND/libvirt
static virSecretPtr
vshCommandOptSecret(vshControl *ctl, const vshCmd *cmd, const char **name)
{
    virSecretPtr secret = NULL;
    const char *n = NULL;
    const char *optname = "secret";

    if (!vshCmdHasOption(ctl, cmd, optname))
        return NULL;

    if (vshCommandOptStringReq(ctl, cmd, optname, &n) < 0)
        return NULL;

    vshDebug(ctl, VSH_ERR_DEBUG,
             "%s: found option <%s>: %s\n", cmd->def->name, optname, n);

    if (name != NULL)
        *name = n;

    secret = virSecretLookupByUUIDString(ctl->conn, n);

    if (secret == NULL)
        vshError(ctl, _("failed to get secret '%s'"), n);

    return secret;
}
コード例 #2
0
ファイル: storage_backend_rbd.c プロジェクト: pawitp/libvirt
static int virStorageBackendRBDOpenRADOSConn(virStorageBackendRBDStatePtr *ptr,
        virConnectPtr conn,
        virStoragePoolObjPtr pool)
{
    int ret = -1;
    unsigned char *secret_value = NULL;
    size_t secret_value_size;
    char *rados_key = NULL;
    virBuffer mon_host = VIR_BUFFER_INITIALIZER;
    virSecretPtr secret = NULL;
    char secretUuid[VIR_UUID_STRING_BUFLEN];
    int i;
    char *mon_buff = NULL;

    VIR_DEBUG("Found Cephx username: %s",
              pool->def->source.auth.cephx.username);

    if (pool->def->source.auth.cephx.username != NULL) {
        VIR_DEBUG("Using cephx authorization");
        if (rados_create(&ptr->cluster,
                         pool->def->source.auth.cephx.username) < 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("failed to initialize RADOS"));
            goto cleanup;
        }

        if (pool->def->source.auth.cephx.secret.uuidUsable) {
            virUUIDFormat(pool->def->source.auth.cephx.secret.uuid, secretUuid);
            VIR_DEBUG("Looking up secret by UUID: %s", secretUuid);
            secret = virSecretLookupByUUIDString(conn, secretUuid);
        } else if (pool->def->source.auth.cephx.secret.usage != NULL) {
            VIR_DEBUG("Looking up secret by usage: %s",
                      pool->def->source.auth.cephx.secret.usage);
            secret = virSecretLookupByUsage(conn, VIR_SECRET_USAGE_TYPE_CEPH,
                                            pool->def->source.auth.cephx.secret.usage);
        }

        if (secret == NULL) {
            virReportError(VIR_ERR_NO_SECRET, "%s",
                           _("failed to find the secret"));
            goto cleanup;
        }

        secret_value = virSecretGetValue(secret, &secret_value_size, 0);
        base64_encode_alloc((char *)secret_value,
                            secret_value_size, &rados_key);
        memset(secret_value, 0, secret_value_size);

        if (rados_key == NULL) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("failed to decode the RADOS key"));
            goto cleanup;
        }

        VIR_DEBUG("Found cephx key: %s", rados_key);
        if (rados_conf_set(ptr->cluster, "key", rados_key) < 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("failed to set RADOS option: %s"),
                           "rados_key");
            goto cleanup;
        }

        memset(rados_key, 0, strlen(rados_key));

        if (rados_conf_set(ptr->cluster, "auth_supported", "cephx") < 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("failed to set RADOS option: %s"),
                           "auth_supported");
            goto cleanup;
        }
    } else {
        VIR_DEBUG("Not using cephx authorization");
        if (rados_create(&ptr->cluster, NULL) < 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("failed to create the RADOS cluster"));
            goto cleanup;
        }
        if (rados_conf_set(ptr->cluster, "auth_supported", "none") < 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("failed to set RADOS option: %s"),
                           "auth_supported");
            goto cleanup;
        }
    }

    VIR_DEBUG("Found %zu RADOS cluster monitors in the pool configuration",
              pool->def->source.nhost);

    for (i = 0; i < pool->def->source.nhost; i++) {
        if (pool->def->source.hosts[i].name != NULL &&
                !pool->def->source.hosts[i].port) {
            virBufferAsprintf(&mon_host, "%s:6789,",
                              pool->def->source.hosts[i].name);
        } else if (pool->def->source.hosts[i].name != NULL &&
                   pool->def->source.hosts[i].port) {
            virBufferAsprintf(&mon_host, "%s:%d,",
                              pool->def->source.hosts[i].name,
                              pool->def->source.hosts[i].port);
        } else {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("received malformed monitor, check the XML definition"));
        }
    }

    if (virBufferError(&mon_host)) {
        virReportOOMError();
        goto cleanup;
    }

    mon_buff = virBufferContentAndReset(&mon_host);
    VIR_DEBUG("RADOS mon_host has been set to: %s", mon_buff);
    if (rados_conf_set(ptr->cluster, "mon_host", mon_buff) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("failed to set RADOS option: %s"),
                       "mon_host");
        goto cleanup;
    }

    ptr->starttime = time(0);
    if (rados_connect(ptr->cluster) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("failed to connect to the RADOS monitor on: %s"),
                       mon_buff);
        goto cleanup;
    }

    ret = 0;

cleanup:
    VIR_FREE(secret_value);
    VIR_FREE(rados_key);
    virSecretFree(secret);
    virBufferFreeAndReset(&mon_host);
    VIR_FREE(mon_buff);
    return ret;
}
コード例 #3
0
ファイル: virsh-secret.c プロジェクト: libvirt/libvirt
static virshSecretListPtr
virshSecretListCollect(vshControl *ctl,
                       unsigned int flags)
{
    virshSecretListPtr list = vshMalloc(ctl, sizeof(*list));
    size_t i;
    int ret;
    virSecretPtr secret;
    bool success = false;
    size_t deleted = 0;
    int nsecrets = 0;
    char **uuids = NULL;
    virshControlPtr priv = ctl->privData;

    /* try the list with flags support (0.10.2 and later) */
    if ((ret = virConnectListAllSecrets(priv->conn,
                                        &list->secrets,
                                        flags)) >= 0) {
        list->nsecrets = ret;
        goto finished;
    }

    /* check if the command is actually supported */
    if (last_error && last_error->code == VIR_ERR_NO_SUPPORT)
        goto fallback;

    /* there was an error during the call */
    vshError(ctl, "%s", _("Failed to list node secrets"));
    goto cleanup;


 fallback:
    /* fall back to old method (0.10.1 and older) */
    vshResetLibvirtError();

    if (flags) {
        vshError(ctl, "%s", _("Filtering is not supported by this libvirt"));
        goto cleanup;
    }

    nsecrets = virConnectNumOfSecrets(priv->conn);
    if (nsecrets < 0) {
        vshError(ctl, "%s", _("Failed to count secrets"));
        goto cleanup;
    }

    if (nsecrets == 0)
        return list;

    uuids = vshMalloc(ctl, sizeof(char *) * nsecrets);

    nsecrets = virConnectListSecrets(priv->conn, uuids, nsecrets);
    if (nsecrets < 0) {
        vshError(ctl, "%s", _("Failed to list secrets"));
        goto cleanup;
    }

    list->secrets = vshMalloc(ctl, sizeof(virSecretPtr) * (nsecrets));
    list->nsecrets = 0;

    /* get the secrets */
    for (i = 0; i < nsecrets; i++) {
        if (!(secret = virSecretLookupByUUIDString(priv->conn, uuids[i])))
            continue;
        list->secrets[list->nsecrets++] = secret;
    }

    /* truncate secrets that weren't found */
    deleted = nsecrets - list->nsecrets;

 finished:
    /* sort the list */
    if (list->secrets && list->nsecrets)
        qsort(list->secrets, list->nsecrets,
              sizeof(*list->secrets), virshSecretSorter);

    /* truncate the list for not found secret objects */
    if (deleted)
        VIR_SHRINK_N(list->secrets, list->nsecrets, deleted);

    success = true;

 cleanup:
    if (nsecrets > 0) {
        for (i = 0; i < nsecrets; i++)
            VIR_FREE(uuids[i]);
        VIR_FREE(uuids);
    }

    if (!success) {
        virshSecretListFree(list);
        list = NULL;
    }

    return list;
}
コード例 #4
0
static int virStorageBackendRBDOpenRADOSConn(virStorageBackendRBDStatePtr ptr,
                                             virConnectPtr conn,
                                             virStoragePoolObjPtr pool)
{
    int ret = -1;
    int r = 0;
    unsigned char *secret_value = NULL;
    size_t secret_value_size;
    char *rados_key = NULL;
    virBuffer mon_host = VIR_BUFFER_INITIALIZER;
    virSecretPtr secret = NULL;
    char secretUuid[VIR_UUID_STRING_BUFLEN];
    size_t i;
    char *mon_buff = NULL;
    const char *client_mount_timeout = "30";
    const char *mon_op_timeout = "30";
    const char *osd_op_timeout = "30";

    VIR_DEBUG("Found Cephx username: %s",
              pool->def->source.auth.cephx.username);

    if (pool->def->source.auth.cephx.username != NULL) {
        VIR_DEBUG("Using cephx authorization");
        r = rados_create(&ptr->cluster, pool->def->source.auth.cephx.username);
        if (r < 0) {
            virReportSystemError(-r, "%s", _("failed to initialize RADOS"));
            goto cleanup;
        }

        if (!conn) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("'ceph' authentication not supported "
                             "for autostarted pools"));
            return -1;
        }

        if (pool->def->source.auth.cephx.secret.uuidUsable) {
            virUUIDFormat(pool->def->source.auth.cephx.secret.uuid, secretUuid);
            VIR_DEBUG("Looking up secret by UUID: %s", secretUuid);
            secret = virSecretLookupByUUIDString(conn, secretUuid);
        } else if (pool->def->source.auth.cephx.secret.usage != NULL) {
            VIR_DEBUG("Looking up secret by usage: %s",
                      pool->def->source.auth.cephx.secret.usage);
            secret = virSecretLookupByUsage(conn, VIR_SECRET_USAGE_TYPE_CEPH,
                                            pool->def->source.auth.cephx.secret.usage);
        }

        if (secret == NULL) {
            if (pool->def->source.auth.cephx.secret.uuidUsable) {
                virReportError(VIR_ERR_NO_SECRET,
                               _("no secret matches uuid '%s'"),
                                 secretUuid);
            } else {
                virReportError(VIR_ERR_NO_SECRET,
                               _("no secret matches usage value '%s'"),
                                 pool->def->source.auth.cephx.secret.usage);
            }
            goto cleanup;
        }

        secret_value = conn->secretDriver->secretGetValue(secret, &secret_value_size, 0,
                                                          VIR_SECRET_GET_VALUE_INTERNAL_CALL);

        if (!secret_value) {
            if (pool->def->source.auth.cephx.secret.uuidUsable) {
                virReportError(VIR_ERR_INTERNAL_ERROR,
                               _("could not get the value of the secret "
                                 "for username '%s' using uuid '%s'"),
                               pool->def->source.auth.cephx.username,
                               secretUuid);
            } else {
                virReportError(VIR_ERR_INTERNAL_ERROR,
                               _("could not get the value of the secret "
                                 "for username '%s' using usage value '%s'"),
                               pool->def->source.auth.cephx.username,
                               pool->def->source.auth.cephx.secret.usage);
            }
            goto cleanup;
        }

        base64_encode_alloc((char *)secret_value,
                            secret_value_size, &rados_key);
        memset(secret_value, 0, secret_value_size);

        if (rados_key == NULL) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("failed to decode the RADOS key"));
            goto cleanup;
        }

        VIR_DEBUG("Found cephx key: %s", rados_key);
        if (rados_conf_set(ptr->cluster, "key", rados_key) < 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("failed to set RADOS option: %s"),
                           "rados_key");
            goto cleanup;
        }

        memset(rados_key, 0, strlen(rados_key));

        if (rados_conf_set(ptr->cluster, "auth_supported", "cephx") < 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("failed to set RADOS option: %s"),
                           "auth_supported");
            goto cleanup;
        }
    } else {
        VIR_DEBUG("Not using cephx authorization");
        if (rados_create(&ptr->cluster, NULL) < 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("failed to create the RADOS cluster"));
            goto cleanup;
        }
        if (rados_conf_set(ptr->cluster, "auth_supported", "none") < 0) {
            virReportError(VIR_ERR_INTERNAL_ERROR,
                           _("failed to set RADOS option: %s"),
                           "auth_supported");
            goto cleanup;
        }
    }

    VIR_DEBUG("Found %zu RADOS cluster monitors in the pool configuration",
              pool->def->source.nhost);

    for (i = 0; i < pool->def->source.nhost; i++) {
        if (pool->def->source.hosts[i].name != NULL &&
            !pool->def->source.hosts[i].port) {
            virBufferAsprintf(&mon_host, "%s:6789,",
                              pool->def->source.hosts[i].name);
        } else if (pool->def->source.hosts[i].name != NULL &&
            pool->def->source.hosts[i].port) {
            virBufferAsprintf(&mon_host, "%s:%d,",
                              pool->def->source.hosts[i].name,
                              pool->def->source.hosts[i].port);
        } else {
            virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                           _("received malformed monitor, check the XML definition"));
        }
    }

    if (virBufferError(&mon_host)) {
       virReportOOMError();
       goto cleanup;
    }

    mon_buff = virBufferContentAndReset(&mon_host);
    VIR_DEBUG("RADOS mon_host has been set to: %s", mon_buff);
    if (rados_conf_set(ptr->cluster, "mon_host", mon_buff) < 0) {
       virReportError(VIR_ERR_INTERNAL_ERROR,
                      _("failed to set RADOS option: %s"),
                      "mon_host");
        goto cleanup;
    }

    /*
     * Set timeout options for librados.
     * In case the Ceph cluster is down libvirt won't block forever.
     * Operations in librados will return -ETIMEDOUT when the timeout is reached.
     */
    VIR_DEBUG("Setting RADOS option client_mount_timeout to %s", client_mount_timeout);
    rados_conf_set(ptr->cluster, "client_mount_timeout", client_mount_timeout);

    VIR_DEBUG("Setting RADOS option rados_mon_op_timeout to %s", mon_op_timeout);
    rados_conf_set(ptr->cluster, "rados_mon_op_timeout", mon_op_timeout);

    VIR_DEBUG("Setting RADOS option rados_osd_op_timeout to %s", osd_op_timeout);
    rados_conf_set(ptr->cluster, "rados_osd_op_timeout", osd_op_timeout);

    ptr->starttime = time(0);
    r = rados_connect(ptr->cluster);
    if (r < 0) {
        virReportSystemError(-r, _("failed to connect to the RADOS monitor on: %s"),
                             mon_buff);
        goto cleanup;
    }

    ret = 0;

cleanup:
    VIR_FREE(secret_value);
    VIR_FREE(rados_key);

    if (secret != NULL)
        virSecretFree(secret);

    virBufferFreeAndReset(&mon_host);
    VIR_FREE(mon_buff);
    return ret;
}