bgpd: json support for show bgp vrf <> l3vni info

Signed-off-by: Mitesh Kanjariya <mitesh@cumulusnetworks.com>

diff --git a/bgpd/bgp_evpn_vty.c b/bgpd/bgp_evpn_vty.c
index 03e3545b4eb65fc4a81ed8922fcf2cdadc48be9f..b1b3aa94ab1482dbcb653dd4eeac446bacfe1cff 100644 (file)
--- a/bgpd/bgp_evpn_vty.c
+++ b/bgpd/bgp_evpn_vty.c
@@ -3307,13 +3307,14 @@ static int bgp_evpn_rt_matches_existing(struct list *rtl,
 /* display L3VNI related info for a VRF instance */
 DEFUN (show_bgp_vrf_l3vni_info,
        show_bgp_vrf_l3vni_info_cmd,
-       "show bgp vrf VRFNAME l3vni info",
+       "show bgp vrf VRFNAME l3vni info [json]",
        SHOW_STR
        BGP_STR
        "show bgp vrf\n"
        "VRF Name\n"
        "L3-VNI\n"
-       "L3-VNI info\n")
+       "L3-VNI info\n"
+       JSON_STR)
 {
        char buf[ETHER_ADDR_STRLEN];
        int idx_vrf = 3;
@@ -3322,35 +3323,88 @@ DEFUN (show_bgp_vrf_l3vni_info,
        struct listnode *node = NULL;
        struct bgpevpn *vpn = NULL;
        struct ecommunity *ecom = NULL;
+       json_object *json = NULL;
+       json_object *json_vnis = NULL;
+       json_object *json_export_rts = NULL;
+       json_object *json_import_rts = NULL;
+       u_char uj = use_json(argc, argv);
+
+       if (uj) {
+               json = json_object_new_object();
+               json_vnis = json_object_new_array();
+               json_export_rts = json_object_new_array();
+               json_import_rts = json_object_new_array();
+       }
 
        name = argv[idx_vrf]->arg;
        bgp = bgp_lookup_by_name(name);
        if (!bgp) {
-               vty_out(vty, "BGP instance for VRF %s not found",
-                       name);
-               return CMD_WARNING;
-       }
-
-       vty_out(vty, "BGP VRF: %s\n", name);
-       vty_out(vty, "  L3-VNI: %u\n", bgp->l3vni);
-       vty_out(vty, "  Rmac: %s\n",
-               prefix_mac2str(&bgp->rmac, buf, sizeof(buf)));
-       vty_out(vty, "  L2-VNI List:\n");
-       vty_out(vty, "    ");
-       for (ALL_LIST_ELEMENTS_RO(bgp->l2vnis, node, vpn))
-               vty_out(vty, "%u  ", vpn->vni);
-       vty_out(vty, "\n");
-       vty_out(vty, "  Export-RTs:\n");
-       vty_out(vty, "    ");
-       for (ALL_LIST_ELEMENTS_RO(bgp->vrf_export_rtl, node, ecom))
-               vty_out(vty, "%s  ", ecommunity_str(ecom));
-       vty_out(vty, "\n");
-       vty_out(vty, "  Import-RTs:\n");
-       vty_out(vty, "    ");
-       for (ALL_LIST_ELEMENTS_RO(bgp->vrf_import_rtl, node, ecom))
-               vty_out(vty, "%s  ", ecommunity_str(ecom));
-       vty_out(vty, "\n");
+               if (!uj)
+                       vty_out(vty, "BGP instance for VRF %s not found",
+                               name);
+               else {
+                       json_object_string_add(json, "warning",
+                                              "BGP instance not found");
+                       vty_out(vty, "%s\n",
+                               json_object_to_json_string(json));
+                       json_object_free(json);
+               }
+               return CMD_WARNING;
+       }
 
+       if (!json) {
+               vty_out(vty, "BGP VRF: %s\n", name);
+               vty_out(vty, "  L3-VNI: %u\n", bgp->l3vni);
+               vty_out(vty, "  Rmac: %s\n",
+                       prefix_mac2str(&bgp->rmac, buf, sizeof(buf)));
+               vty_out(vty, "  L2-VNI List:\n");
+               vty_out(vty, "    ");
+               for (ALL_LIST_ELEMENTS_RO(bgp->l2vnis, node, vpn))
+                       vty_out(vty, "%u  ", vpn->vni);
+               vty_out(vty, "\n");
+               vty_out(vty, "  Export-RTs:\n");
+               vty_out(vty, "    ");
+               for (ALL_LIST_ELEMENTS_RO(bgp->vrf_export_rtl, node, ecom))
+                       vty_out(vty, "%s  ", ecommunity_str(ecom));
+               vty_out(vty, "\n");
+               vty_out(vty, "  Import-RTs:\n");
+               vty_out(vty, "    ");
+               for (ALL_LIST_ELEMENTS_RO(bgp->vrf_import_rtl, node, ecom))
+                       vty_out(vty, "%s  ", ecommunity_str(ecom));
+               vty_out(vty, "\n");
+       } else {
+               json_object_string_add(json, "vrf", name);
+               json_object_int_add(json, "l3vni", bgp->l3vni);
+               json_object_string_add(json, "rmac",
+                                      prefix_mac2str(&bgp->rmac, buf,
+                                                     sizeof(buf)));
+               /* list of l2vnis */
+               for (ALL_LIST_ELEMENTS_RO(bgp->l2vnis, node, vpn))
+                       json_object_array_add(json_vnis,
+                                             json_object_new_int(vpn->vni));
+               json_object_object_add(json, "l2vnis", json_vnis);
+
+               /* export rts */
+               for (ALL_LIST_ELEMENTS_RO(bgp->vrf_export_rtl, node, ecom))
+                       json_object_array_add(json_export_rts,
+                                             json_object_new_string(
+                                                       ecommunity_str(ecom)));
+               json_object_object_add(json, "export-rts", json_export_rts);
+
+               /* import rts */
+               for (ALL_LIST_ELEMENTS_RO(bgp->vrf_import_rtl, node, ecom))
+                       json_object_array_add(json_import_rts,
+                                             json_object_new_string(
+                                                       ecommunity_str(ecom)));
+               json_object_object_add(json, "import-rts", json_import_rts);
+
+       }
+
+       if (uj) {
+               vty_out(vty, "%s\n", json_object_to_json_string_ext(
+                                            json, JSON_C_TO_STRING_PRETTY));
+               json_object_free(json);
+       }
        return CMD_SUCCESS;
 }