Skip to content

src/confd: add the ability to change MotD in cli #7

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
troglobit merged 1 commit into from
Apr 12, 2023
Merged

src/confd: add the ability to change MotD in cli #7

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions package/sysrepo-plugin-system/sysrepo-plugin-system.mk
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,8 @@ define SYSREPO_PLUGIN_SYSTEM_INSTALL_YANG_MODELS
$(TARGET_DIR)/usr/share/yang/modules/sysrepo-plugin-system/iana-crypt-hash@2014-08-06.yang
$(INSTALL) -D -m 0644 $(@D)/yang/ietf-system@2014-08-06.yang \
$(TARGET_DIR)/usr/share/yang/modules/sysrepo-plugin-system/ietf-system@2014-08-06.yang
$(INSTALL) -D -m 0644 $(@D)/yang/infix-system@2014-08-06.yang \
$(TARGET_DIR)/usr/share/yang/modules/sysrepo-plugin-system/infix-system@2014-08-06.yang
endef
SYSREPO_PLUGIN_SYSTEM_POST_INSTALL_TARGET_HOOKS += SYSREPO_PLUGIN_SYSTEM_INSTALL_YANG_MODELS

Expand Down
31 changes: 31 additions & 0 deletions src/confd/src/ietf-system.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -659,6 +659,33 @@ static int change_dns(sr_session_ctx_t *session, uint32_t sub_id, const char *mo
return rc;
}

static int change_motd(sr_session_ctx_t *session, uint32_t sub_id, const char *module,
const char *xpath, sr_event_t event, unsigned request_id, void *priv)
{
char *nm;
FILE *fp;

/* Ignore all events except SR_EV_DONE */
if (event != SR_EV_DONE)
return SR_ERR_OK;

fp = fopen("/etc/motd", "w");
if (!fp)
return SR_ERR_SYS;

nm = sr_get_str(session, xpath);
if (nm) {
fprintf(fp, "%s\n", nm);
} else {
/* XXX: derive from global "options.h" or /usr/share/factory/ */
fprintf(fp, "\033[1;90mNote:\033[0m ");
fprintf(fp, "\033[0;90m use help, show, and setup commands to set up and diagnose the system\033[0m\n");
}
fclose(fp);

return SR_ERR_OK;
}

static int change_hostname(sr_session_ctx_t *session, uint32_t sub_id, const char *module,
const char *xpath, sr_event_t event, unsigned request_id, void *priv)
{
Expand Down Expand Up @@ -752,6 +779,9 @@ int ietf_system_init(struct confd *confd)

if (rc = sr_install_module(confd->conn, YANG_PATH_"ietf-system@2014-08-06.yang", NULL, features))
goto err;
/* Augment to ietf-systems */
if (rc = sr_install_module(confd->conn, YANG_PATH_"infix-system@2014-08-06.yang", NULL, NULL))
goto err;

rc = sr_oper_get_subscribe(confd->session, "ietf-system", CLOCK_PATH_,
clock_cb, NULL, SR_SUBSCR_DEFAULT, &confd->sub);
Expand All @@ -764,6 +794,7 @@ int ietf_system_init(struct confd *confd)
goto err;

REGISTER_CHANGE(confd->session, "ietf-system", "/ietf-system:system/hostname", 0, change_hostname, confd, &confd->sub);
REGISTER_CHANGE(confd->session, "ietf-system", "/ietf-system:system/infix-system:motd", 0, change_motd, confd, &confd->sub);
REGISTER_CHANGE(confd->session, "ietf-system", "/ietf-system:system/clock", 0, change_clock, confd, &confd->sub);
REGISTER_CHANGE(confd->session, "ietf-system", "/ietf-system:system/ntp", 0, change_ntp, confd, &confd->sub);
REGISTER_CHANGE(confd->session, "ietf-system", "/ietf-system:system/dns-resolver", 0, change_dns, confd, &confd->sub);
Expand Down
20 changes: 20 additions & 0 deletions src/confd/yang/infix-system@2014-08-06.yang
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
module infix-system {
prefix "infix-sys";
yang-version 1.1;
namespace "urn:infix:params:xml:ns:yang:infix-system";

import ietf-system {
prefix "sys";
}

revision 2014-08-06 {
description "Initial revision.";
}

augment "/sys:system" {
leaf motd {
type string;
description "Set the MotD (Message of the Day), which is shown after login";
}
}
}