Merge pull request #7103 from opensourcerouting/sysrepo-fixes

lib: sysrepo plugin fixes
This commit is contained in:
Donald Sharp 2020-09-16 20:34:53 -04:00 committed by GitHub
commit 32e3ca2bcc
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3 changed files with 35 additions and 37 deletions

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@ -45,6 +45,7 @@
#include "defaults.h"
DEFINE_HOOK(frr_late_init, (struct thread_master * tm), (tm))
DEFINE_HOOK(frr_very_late_init, (struct thread_master * tm), (tm))
DEFINE_KOOH(frr_early_fini, (), ())
DEFINE_KOOH(frr_fini, (), ())
@ -913,6 +914,8 @@ static int frr_config_read_in(struct thread *t)
__func__, nb_err_name(ret), errmsg);
}
hook_call(frr_very_late_init, master);
return 0;
}

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@ -136,6 +136,7 @@ extern const char *frr_get_progname(void);
extern enum frr_cli_mode frr_get_cli_mode(void);
DECLARE_HOOK(frr_late_init, (struct thread_master * tm), (tm))
DECLARE_HOOK(frr_very_late_init, (struct thread_master * tm), (tm))
extern void frr_config_fork(void);
extern void frr_run(struct thread_master *master);

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@ -174,6 +174,9 @@ static int frr_sr_process_change(struct nb_config *candidate,
xpath = sr_data->xpath;
DEBUGD(&nb_dbg_client_sysrepo, "sysrepo: processing change [xpath %s]",
xpath);
/* Non-presence container - nothing to do. */
if (sr_data->type == SR_CONTAINER_T)
return NB_OK;
@ -223,7 +226,7 @@ static int frr_sr_process_change(struct nb_config *candidate,
ret = nb_candidate_edit(candidate, nb_node, nb_op, xpath, NULL, data);
yang_data_free(data);
if (ret != NB_OK) {
if (ret != NB_OK && ret != NB_ERR_NOT_FOUND) {
flog_warn(
EC_LIB_NB_CANDIDATE_EDIT_ERROR,
"%s: failed to edit candidate configuration: operation [%s] xpath [%s]",
@ -235,8 +238,7 @@ static int frr_sr_process_change(struct nb_config *candidate,
}
static int frr_sr_config_change_cb_prepare(sr_session_ctx_t *session,
const char *module_name,
bool startup_config)
const char *module_name)
{
sr_change_iter_t *it;
int ret;
@ -275,33 +277,17 @@ static int frr_sr_config_change_cb_prepare(sr_session_ctx_t *session,
transaction = NULL;
context.client = NB_CLIENT_SYSREPO;
if (startup_config) {
/*
* sysrepod sends the entire startup configuration using a
* single event (SR_EV_ENABLED). This means we need to perform
* the full two-phase commit protocol in one go here.
*/
ret = nb_candidate_commit(&context, candidate, true, NULL, NULL,
errmsg, sizeof(errmsg));
if (ret != NB_OK && ret != NB_ERR_NO_CHANGES)
flog_warn(
EC_LIB_LIBSYSREPO,
"%s: failed to apply startup configuration: %s (%s)",
__func__, nb_err_name(ret), errmsg);
} else {
/*
* Validate the configuration changes and allocate all resources
* required to apply them.
*/
ret = nb_candidate_commit_prepare(&context, candidate, NULL,
&transaction, errmsg,
sizeof(errmsg));
if (ret != NB_OK && ret != NB_ERR_NO_CHANGES)
flog_warn(
EC_LIB_LIBSYSREPO,
"%s: failed to prepare configuration transaction: %s (%s)",
__func__, nb_err_name(ret), errmsg);
}
/*
* Validate the configuration changes and allocate all resources
* required to apply them.
*/
ret = nb_candidate_commit_prepare(&context, candidate, NULL,
&transaction, errmsg, sizeof(errmsg));
if (ret != NB_OK && ret != NB_ERR_NO_CHANGES)
flog_warn(
EC_LIB_LIBSYSREPO,
"%s: failed to prepare configuration transaction: %s (%s)",
__func__, nb_err_name(ret), errmsg);
if (!transaction)
nb_config_free(candidate);
@ -360,11 +346,8 @@ static int frr_sr_config_change_cb(sr_session_ctx_t *session,
{
switch (sr_ev) {
case SR_EV_ENABLED:
return frr_sr_config_change_cb_prepare(session, module_name,
true);
case SR_EV_CHANGE:
return frr_sr_config_change_cb_prepare(session, module_name,
false);
return frr_sr_config_change_cb_prepare(session, module_name);
case SR_EV_DONE:
return frr_sr_config_change_cb_apply(session, module_name);
case SR_EV_ABORT:
@ -563,6 +546,10 @@ static void frr_sr_subscribe_config(struct yang_module *module)
{
int ret;
DEBUGD(&nb_dbg_client_sysrepo,
"sysrepo: subscribing for configuration changes made in the '%s' module",
module->name);
ret = sr_module_change_subscribe(
session, module->name, NULL, frr_sr_config_change_cb, NULL, 0,
SR_SUBSCR_DEFAULT | SR_SUBSCR_ENABLED | SR_SUBSCR_NO_THREAD,
@ -586,7 +573,7 @@ static int frr_sr_subscribe_state(const struct lys_node *snode, void *arg)
nb_node = snode->priv;
DEBUGD(&nb_dbg_client_sysrepo, "%s: providing data to '%s'", __func__,
DEBUGD(&nb_dbg_client_sysrepo, "sysrepo: providing data to '%s'",
nb_node->xpath);
ret = sr_oper_get_items_subscribe(
@ -610,7 +597,7 @@ static int frr_sr_subscribe_rpc(const struct lys_node *snode, void *arg)
nb_node = snode->priv;
DEBUGD(&nb_dbg_client_sysrepo, "%s: providing RPC to '%s'", __func__,
DEBUGD(&nb_dbg_client_sysrepo, "sysrepo: providing RPC to '%s'",
nb_node->xpath);
ret = sr_rpc_subscribe(session, nb_node->xpath, frr_sr_config_rpc_cb,
@ -742,7 +729,7 @@ static int frr_sr_finish(void)
return 0;
}
static int frr_sr_module_late_init(struct thread_master *tm)
static int frr_sr_module_very_late_init(struct thread_master *tm)
{
master = tm;
@ -753,6 +740,12 @@ static int frr_sr_module_late_init(struct thread_master *tm)
}
hook_register(frr_fini, frr_sr_finish);
return 0;
}
static int frr_sr_module_late_init(struct thread_master *tm)
{
frr_sr_cli_init();
return 0;
@ -761,6 +754,7 @@ static int frr_sr_module_late_init(struct thread_master *tm)
static int frr_sr_module_init(void)
{
hook_register(frr_late_init, frr_sr_module_late_init);
hook_register(frr_very_late_init, frr_sr_module_very_late_init);
return 0;
}