[libvirt] [PATCH v4 23/29] virsh: add support for network port APIs

Signed-off-by: Daniel P. Berrangé <berrange(a)redhat.com&gt; --- tools/virsh-completer.c | 50 +++++ tools/virsh-completer.h | 4 + tools/virsh-network.c | 399 +++++++++++++++++++++++++++++++++++++++- tools/virsh-network.h | 5 + 4 files changed, 457 insertions(+), 1 deletion(-) diff --git a/tools/virsh-completer.c b/tools/virsh-completer.c index 918e409890..7d5cf8cb90 100644 --- a/tools/virsh-completer.c +++ b/tools/virsh-completer.c @@ -408,6 +408,56 @@ virshNetworkEventNameCompleter(vshControl *ctl ATTRIBUTE_UNUSED, } +char ** +virshNetworkPortUUIDCompleter(vshControl *ctl, + const vshCmd *cmd ATTRIBUTE_UNUSED, + unsigned int flags) +{ + virshControlPtr priv = ctl->privData; + virNetworkPtr net = NULL; + virNetworkPortPtr *ports = NULL; + int nports = 0; + size_t i = 0; + char **ret = NULL; + + virCheckFlags(0, NULL); + + if (!priv->conn || virConnectIsAlive(priv->conn) <= 0) + return NULL; + + if (!(net = virshCommandOptNetwork(ctl, cmd, NULL))) + return false; + + if ((nports = virNetworkListAllPorts(net, &ports, flags)) < 0) + return NULL; + + if (VIR_ALLOC_N(ret, nports + 1) < 0) + goto error; + + for (i = 0; i < nports; i++) { + char uuid[VIR_UUID_STRING_BUFLEN]; + + if (virNetworkPortGetUUIDString(ports[i], uuid) < 0 || + VIR_STRDUP(ret[i], uuid) < 0) + goto error; + + virNetworkPortFree(ports[i]); + } + VIR_FREE(ports); + + return ret; + + error: + for (; i < nports; i++) + virNetworkPortFree(ports[i]); + VIR_FREE(ports); + for (i = 0; i < nports; i++) + VIR_FREE(ret[i]); + VIR_FREE(ret); + return NULL; +} + + char ** virshNodeDeviceNameCompleter(vshControl *ctl, const vshCmd *cmd ATTRIBUTE_UNUSED, diff --git a/tools/virsh-completer.h b/tools/virsh-completer.h index ed37a26cc9..cd3cc9ecae 100644 --- a/tools/virsh-completer.h +++ b/tools/virsh-completer.h @@ -59,6 +59,10 @@ char ** virshNetworkEventNameCompleter(vshControl *ctl, const vshCmd *cmd, unsigned int flags); +char ** virshNetworkPortUUIDCompleter(vshControl *ctl, + const vshCmd *cmd, + unsigned int flags); + char ** virshNodeDeviceNameCompleter(vshControl *ctl, const vshCmd *cmd, unsigned int flags); diff --git a/tools/virsh-network.c b/tools/virsh-network.c index 14bf9a144f..af08441842 100644 --- a/tools/virsh-network.c +++ b/tools/virsh-network.c @@ -1,7 +1,7 @@ /* * virsh-network.c: Commands to manage network * - * Copyright (C) 2005, 2007-2016 Red Hat, Inc. + * Copyright (C) 2005, 2007-2019 Red Hat, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -54,6 +54,16 @@ #define VIRSH_COMMON_OPT_NETWORK_OT_STRING_FULL(cflags) \ VIRSH_COMMON_OPT_NETWORK_OT_STRING(N_("network name or uuid"), cflags) +#define VIRSH_COMMON_OPT_NETWORK_PORT(cflags) \ + {.name = "port", \ + .type = VSH_OT_DATA, \ + .flags = VSH_OFLAG_REQ, \ + .help = N_("port UUID"), \ + .completer = virshNetworkPortUUIDCompleter, \ + .completer_flags = cflags, \ + } + + virNetworkPtr virshCommandOptNetworkBy(vshControl *ctl, const vshCmd *cmd, const char **name, unsigned int flags) @@ -92,6 +102,35 @@ virshCommandOptNetworkBy(vshControl *ctl, const vshCmd *cmd, return network; } + +virNetworkPortPtr +virshCommandOptNetworkPort(vshControl *ctl, const vshCmd *cmd, + virNetworkPtr net, + const char **name) +{ + virNetworkPortPtr port = NULL; + const char *n = NULL; + const char *optname = "port"; + + if (vshCommandOptStringReq(ctl, cmd, optname, &n) < 0) + return NULL; + + vshDebug(ctl, VSH_ERR_INFO, "%s: found option <%s>: %s\n", + cmd->def->name, optname, n); + + if (name) + *name = n; + + vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as network UUID\n", + cmd->def->name, optname); + port = virNetworkPortLookupByUUIDString(net, n); + + if (!port) + vshError(ctl, _("failed to get network port '%s'"), n); + + return port; +} + /* * "net-autostart" command */ @@ -1437,6 +1476,340 @@ cmdNetworkDHCPLeases(vshControl *ctl, const vshCmd *cmd) return ret; } +/* + * "net-port-create" command + */ +static const vshCmdInfo info_network_port_create[] = { + {.name = "help", + .data = N_("create a network port from an XML file") + }, + {.name = "desc", + .data = N_("Create a network port.") + }, + {.name = NULL} +}; + +static const vshCmdOptDef opts_network_port_create[] = { + VIRSH_COMMON_OPT_NETWORK_FULL(0), + VIRSH_COMMON_OPT_FILE(N_("file containing an XML network port description")), + {.name = NULL} +}; + +static bool +cmdNetworkPortCreate(vshControl *ctl, const vshCmd *cmd) +{ + virNetworkPortPtr port = NULL; + const char *from = NULL; + bool ret = false; + char *buffer = NULL; + virNetworkPtr network = NULL; + + network = virshCommandOptNetwork(ctl, cmd, NULL); + if (network == NULL) + goto cleanup; + + if (vshCommandOptStringReq(ctl, cmd, "file", &from) < 0) + goto cleanup; + + if (virFileReadAll(from, VSH_MAX_XML_FILE, &buffer) < 0) + goto cleanup; + + port = virNetworkPortCreateXML(network, buffer, 0); + + if (port != NULL) { + char uuidstr[VIR_UUID_STRING_BUFLEN]; + virNetworkPortGetUUIDString(port, uuidstr); + vshPrintExtra(ctl, _("Network port %s created from %s\n"), + uuidstr, from); + } else { + vshError(ctl, _("Failed to create network from %s"), from); + goto cleanup; + } + + ret = true; + cleanup: + VIR_FREE(buffer); + if (port) + virNetworkPortFree(port); + if (network) + virNetworkFree(network); + return ret; +} + +/* + * "net-port-dumpxml" command + */ +static const vshCmdInfo info_network_port_dumpxml[] = { + {.name = "help", + .data = N_("network port information in XML") + }, + {.name = "desc", + .data = N_("Output the network port information as an XML dump to stdout.") + }, + {.name = NULL} +}; + +static const vshCmdOptDef opts_network_port_dumpxml[] = { + VIRSH_COMMON_OPT_NETWORK_FULL(0), + VIRSH_COMMON_OPT_NETWORK_PORT(0), + {.name = NULL} +}; + +static bool +cmdNetworkPortDumpXML(vshControl *ctl, const vshCmd *cmd) +{ + virNetworkPtr network; + virNetworkPortPtr port = NULL; + bool ret = true; + char *dump; + unsigned int flags = 0; + + if (!(network = virshCommandOptNetwork(ctl, cmd, NULL))) + goto cleanup; + + if (!(port = virshCommandOptNetworkPort(ctl, cmd, network, NULL))) + goto cleanup; + + dump = virNetworkPortGetXMLDesc(port, flags); + + if (dump != NULL) { + vshPrint(ctl, "%s", dump); + VIR_FREE(dump); + } else { + ret = false; + } + + cleanup: + if (port) + virNetworkPortFree(port); + if (network) + virNetworkFree(network); + return ret; +} + + +/* + * "net-port-delete" command + */ +static const vshCmdInfo info_network_port_delete[] = { + {.name = "help", + .data = N_("network port information in XML") + }, + {.name = "desc", + .data = N_("Output the network port information as an XML dump to stdout.") + }, + {.name = NULL} +}; + +static const vshCmdOptDef opts_network_port_delete[] = { + VIRSH_COMMON_OPT_NETWORK_FULL(0), + VIRSH_COMMON_OPT_NETWORK_PORT(0), + {.name = NULL} +}; + +static bool +cmdNetworkPortDelete(vshControl *ctl, const vshCmd *cmd) +{ + virNetworkPtr network = NULL; + virNetworkPortPtr port = NULL; + bool ret = true; + char uuidstr[VIR_UUID_STRING_BUFLEN]; + + if (!(network = virshCommandOptNetwork(ctl, cmd, NULL))) + goto cleanup; + + if (!(port = virshCommandOptNetworkPort(ctl, cmd, network, NULL))) + goto cleanup; + + if (virNetworkPortGetUUIDString(port, uuidstr) < 0) + goto cleanup; + + if (virNetworkPortDelete(port, 0) < 0) { + vshError(ctl, _("Failed to delete network port %s"), uuidstr); + goto cleanup; + } else { + vshPrintExtra(ctl, _("Network port %s deleted\n"), uuidstr); + } + + ret = true; + cleanup: + if (port) + virNetworkPortFree(port); + if (network) + virNetworkFree(network); + return ret; +} + + +static int +virshNetworkPortSorter(const void *a, const void *b) +{ + virNetworkPortPtr *na = (virNetworkPortPtr *) a; + virNetworkPortPtr *nb = (virNetworkPortPtr *) b; + unsigned char uuida[VIR_UUID_BUFLEN]; + unsigned char uuidb[VIR_UUID_BUFLEN]; + + if (*na && !*nb) + return -1; + + if (!*na) + return *nb != NULL; + + if (virNetworkPortGetUUID(*na, uuida) < 0 || + virNetworkPortGetUUID(*nb, uuidb) < 0) + return -1; + + return memcmp(uuida, uuidb, VIR_UUID_BUFLEN); +} + +struct virshNetworkPortList { + virNetworkPortPtr *ports; + size_t nports; +}; +typedef struct virshNetworkPortList *virshNetworkPortListPtr; + +static void +virshNetworkPortListFree(virshNetworkPortListPtr list) +{ + size_t i; + + if (list && list->ports) { + for (i = 0; i < list->nports; i++) { + if (list->ports[i]) + virNetworkPortFree(list->ports[i]); + } + VIR_FREE(list->ports); + } + VIR_FREE(list); +} + +static virshNetworkPortListPtr +virshNetworkPortListCollect(vshControl *ctl, + const vshCmd *cmd, + unsigned int flags) +{ + virshNetworkPortListPtr list = vshMalloc(ctl, sizeof(*list)); + int ret; + virNetworkPtr network = NULL; + bool success = false; + + if (!(network = virshCommandOptNetwork(ctl, cmd, NULL))) + goto cleanup; + + /* try the list with flags support (0.10.2 and later) */ + if ((ret = virNetworkListAllPorts(network, + &list->ports, + flags)) < 0) + goto cleanup; + + list->nports = ret; + + /* sort the list */ + if (list->ports && list->nports) + qsort(list->ports, list->nports, + sizeof(*list->ports), virshNetworkPortSorter); + + success = true; + + cleanup: + if (!success) { + virshNetworkPortListFree(list); + list = NULL; + } + + if (network) + virNetworkFree(network); + + return list; +} + +/* + * "net-list" command + */ +static const vshCmdInfo info_network_port_list[] = { + {.name = "help", + .data = N_("list network ports") + }, + {.name = "desc", + .data = N_("Returns list of network ports.") + }, + {.name = NULL} +}; + +static const vshCmdOptDef opts_network_port_list[] = { + VIRSH_COMMON_OPT_NETWORK_FULL(0), + {.name = "uuid", + .type = VSH_OT_BOOL, + .help = N_("list uuid's only") + }, + {.name = "table", + .type = VSH_OT_BOOL, + .help = N_("list table (default)") + }, + {.name = NULL} +}; + +#define FILTER(NAME, FLAG) \ + if (vshCommandOptBool(cmd, NAME)) \ + flags |= (FLAG) +static bool +cmdNetworkPortList(vshControl *ctl, const vshCmd *cmd) +{ + virshNetworkPortListPtr list = NULL; + size_t i; + bool ret = false; + bool optTable = vshCommandOptBool(cmd, "table"); + bool optUUID = vshCommandOptBool(cmd, "uuid"); + char uuid[VIR_UUID_STRING_BUFLEN]; + unsigned int flags = 0; + vshTablePtr table = NULL; + + if (optTable + optUUID > 1) { + vshError(ctl, "%s", + _("Only one argument from --table and --uuid " + "may be specified.")); + return false; + } + + if (!optUUID) + optTable = true; + + if (!(list = virshNetworkPortListCollect(ctl, cmd, flags))) + return false; + + if (optTable) { + table = vshTableNew(_("UUID"), NULL); + if (!table) + goto cleanup; + } + + for (i = 0; i < list->nports; i++) { + virNetworkPortPtr port = list->ports[i]; + + if (virNetworkPortGetUUIDString(port, uuid) < 0) { + vshError(ctl, "%s", _("Failed to get network's UUID")); + goto cleanup; + } + if (optTable) { + if (vshTableRowAppend(table, uuid, NULL) < 0) + goto cleanup; + } else if (optUUID) { + vshPrint(ctl, "%s\n", uuid); + } + } + + if (optTable) + vshTablePrintToStdout(table, ctl); + + ret = true; + cleanup: + vshTableFree(table); + virshNetworkPortListFree(list); + return ret; +} +#undef FILTER + + const vshCmdDef networkCmds[] = { {.name = "net-autostart", .handler = cmdNetworkAutostart, @@ -1528,5 +1901,29 @@ const vshCmdDef networkCmds[] = { .info = info_network_uuid, .flags = 0 }, + {.name = "net-port-list", + .handler = cmdNetworkPortList, + .opts = opts_network_port_list, + .info = info_network_port_list, + .flags = 0 + }, + {.name = "net-port-create", + .handler = cmdNetworkPortCreate, + .opts = opts_network_port_create, + .info = info_network_port_create, + .flags = 0 + }, + {.name = "net-port-dumpxml", + .handler = cmdNetworkPortDumpXML, + .opts = opts_network_port_dumpxml, + .info = info_network_port_dumpxml, + .flags = 0 + }, + {.name = "net-port-delete", + .handler = cmdNetworkPortDelete, + .opts = opts_network_port_delete, + .info = info_network_port_delete, + .flags = 0 + }, {.name = NULL} }; diff --git a/tools/virsh-network.h b/tools/virsh-network.h index 9c86eb5bc9..18b8e4365f 100644 --- a/tools/virsh-network.h +++ b/tools/virsh-network.h @@ -27,6 +27,11 @@ virNetworkPtr virshCommandOptNetworkBy(vshControl *ctl, const vshCmd *cmd, const char **name, unsigned int flags); +virNetworkPortPtr +virshCommandOptNetworkPort(vshControl *ctl, const vshCmd *cmd, + virNetworkPtr net, + const char **name); + /* default is lookup by Name and UUID */ # define virshCommandOptNetwork(_ctl, _cmd, _name) \ virshCommandOptNetworkBy(_ctl, _cmd, _name, \ -- 2.20.1