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Merge pull request #8589 from idryzhov/bgp-cli-nb-fixes

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bgp cli/nb fixes
This commit is contained in:
Russ White 2021-05-11 07:58:23 -04:00 committed by GitHub
commit 825f41b486
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 49 additions and 59 deletions
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102
bgpd/bgp_nb_config.c
View File

@ -111,15 +111,24 @@ int bgp_router_create(struct nb_cb_create_args *args)
is_new_bgp = (bgp_lookup_by_name(name) == NULL);
ret = bgp_get_vty(&bgp, &as, name, inst_type);
switch (ret) {
case BGP_ERR_AS_MISMATCH:
snprintf(args->errmsg, args->errmsg_len,
"BGP instance is already running; AS is %u",
as);
return NB_ERR_INCONSISTENCY;
case BGP_ERR_INSTANCE_MISMATCH:
snprintf(args->errmsg, args->errmsg_len,
"BGP instance type mismatch");
if (ret) {
switch (ret) {
case BGP_ERR_AS_MISMATCH:
snprintf(
args->errmsg, args->errmsg_len,
"BGP instance is already running; AS is %u",
as);
break;
case BGP_ERR_INSTANCE_MISMATCH:
snprintf(args->errmsg, args->errmsg_len,
"BGP instance type mismatch");
break;
}
UNSET_FLAG(bgp->vrf_flags, BGP_VRF_AUTO);
nb_running_set_entry(args->dnode, bgp);
return NB_ERR_INCONSISTENCY;
}
@ -221,64 +230,26 @@ int bgp_router_destroy(struct nb_cb_destroy_args *args)
int bgp_global_local_as_modify(struct nb_cb_modify_args *args)
{
struct bgp *bgp;
as_t as;
const struct lyd_node *vrf_dnode;
const char *vrf_name;
const char *name = NULL;
enum bgp_instance_type inst_type;
int ret;
bool is_view_inst = false;
switch (args->event) {
case NB_EV_VALIDATE:
as = yang_dnode_get_uint32(args->dnode, NULL);
inst_type = BGP_INSTANCE_TYPE_DEFAULT;
vrf_dnode = yang_dnode_get_parent(args->dnode,
"control-plane-protocol");
vrf_name = yang_dnode_get_string(vrf_dnode, "./vrf");
if (strmatch(vrf_name, VRF_DEFAULT_NAME)) {
name = NULL;
} else {
name = vrf_name;
inst_type = BGP_INSTANCE_TYPE_VRF;
}
is_view_inst = yang_dnode_get_bool(args->dnode,
"../instance-type-view");
if (is_view_inst)
inst_type = BGP_INSTANCE_TYPE_VIEW;
ret = bgp_lookup_by_as_name_type(&bgp, &as, name, inst_type);
switch (ret) {
case BGP_ERR_AS_MISMATCH:
/*
* Changing AS number is not allowed, but we must allow it
* once, when the BGP instance is created the first time.
* If the instance already exists - return the validation
* error.
*/
bgp = nb_running_get_entry_non_rec(args->dnode->parent->parent,
NULL, false);
if (bgp) {
snprintf(args->errmsg, args->errmsg_len,
"BGP instance is already running; AS is %u",
as);
return NB_ERR_VALIDATION;
case BGP_ERR_INSTANCE_MISMATCH:
snprintf(args->errmsg, args->errmsg_len,
"BGP instance type mismatch");
"Changing AS number is not allowed");
return NB_ERR_VALIDATION;
}
break;
case NB_EV_PREPARE:
case NB_EV_ABORT:
return NB_OK;
case NB_EV_APPLY:
/* NOTE: handled in bgp_global_create callback, the as change
* will be rejected in validate phase.
*/
as = yang_dnode_get_uint32(args->dnode, NULL);
bgp = nb_running_get_entry(args->dnode, NULL, true);
if (bgp->as != as) {
snprintf(args->errmsg, args->errmsg_len,
"BGP instance is already running; AS is %u",
bgp->as);
return NB_ERR_INCONSISTENCY;
}
break;
}
@ -1514,12 +1485,27 @@ int bgp_global_global_config_timers_keepalive_modify(
*/
int bgp_global_instance_type_view_modify(struct nb_cb_modify_args *args)
{
struct bgp *bgp;
switch (args->event) {
case NB_EV_VALIDATE:
/*
* Changing instance type is not allowed, but we must allow it
* once, when the BGP instance is created the first time.
* If the instance already exists - return the validation
* error.
*/
bgp = nb_running_get_entry_non_rec(args->dnode->parent->parent,
NULL, false);
if (bgp) {
snprintf(args->errmsg, args->errmsg_len,
"Changing instance type is not allowed");
return NB_ERR_VALIDATION;
}
break;
case NB_EV_PREPARE:
case NB_EV_ABORT:
case NB_EV_APPLY:
/* TODO: implement me. */
break;
}

4
bgpd/bgp_vty.c
View File

@ -1380,6 +1380,10 @@ DEFUN_YANG_NOSH(router_bgp,
nb_cli_enqueue_change(vty,
"./global/instance-type-view",
NB_OP_MODIFY, "true");
} else {
nb_cli_enqueue_change(vty,
"./global/instance-type-view",
NB_OP_MODIFY, "false");
}
ret = nb_cli_apply_changes(vty, base_xpath);

2
bgpd/bgpd.c
View File

@ -3378,13 +3378,13 @@ int bgp_lookup_by_as_name_type(struct bgp **bgp_val, as_t *as, const char *name,
bgp = bgp_get_default();
if (bgp) {
*bgp_val = bgp;
if (bgp->as != *as) {
*as = bgp->as;
return BGP_ERR_AS_MISMATCH;
}
if (bgp->inst_type != inst_type)
return BGP_ERR_INSTANCE_MISMATCH;
*bgp_val = bgp;
return BGP_SUCCESS;
}
*bgp_val = NULL;