mattiaswal · Oct 5, 2026 · Oct 5, 2026 · Oct 5, 2026 · Oct 5, 2026 · Oct 5, 2026
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
@@ -13,3 +13,8 @@ updates:
     directory: /src/netbrowse
     schedule:
       interval: weekly
+
+  - package-ecosystem: gomod
+    directory: /src/yangerd
+    schedule:
+      interval: weekly
diff --git a/configs/aarch64_defconfig b/configs/aarch64_defconfig
@@ -167,6 +167,7 @@ BR2_PACKAGE_CURIOS_NFTABLES=y
 BR2_PACKAGE_GENCERT=y
 BR2_PACKAGE_STATD=y
 BR2_PACKAGE_SUPPORT_ENCRYPT=y
+BR2_PACKAGE_YANGERD=y
 BR2_PACKAGE_FACTORY=y
 BR2_PACKAGE_FINIT_PLUGIN_HOTPLUG=y
 BR2_PACKAGE_FINIT_PLUGIN_HOOK_SCRIPTS=y

diff --git a/configs/aarch64_minimal_defconfig b/configs/aarch64_minimal_defconfig
@@ -131,6 +131,7 @@ BR2_PACKAGE_CONFD_TEST_MODE=y
 BR2_PACKAGE_GENCERT=y
 BR2_PACKAGE_STATD=y
 BR2_PACKAGE_SUPPORT=y
+BR2_PACKAGE_YANGERD=y
 BR2_PACKAGE_FACTORY=y
 BR2_PACKAGE_FINIT_PLUGIN_HOTPLUG=y
 BR2_PACKAGE_FINIT_PLUGIN_HOOK_SCRIPTS=y

diff --git a/configs/arm_defconfig b/configs/arm_defconfig
@@ -153,6 +153,7 @@ BR2_PACKAGE_CONFD_TEST_MODE=y
 BR2_PACKAGE_GENCERT=y
 BR2_PACKAGE_STATD=y
 BR2_PACKAGE_SUPPORT_ENCRYPT=y
+BR2_PACKAGE_YANGERD=y
 BR2_PACKAGE_FACTORY=y
 BR2_PACKAGE_FINIT_PLUGIN_HOTPLUG=y
 BR2_PACKAGE_FINIT_PLUGIN_HOOK_SCRIPTS=y

diff --git a/configs/arm_minimal_defconfig b/configs/arm_minimal_defconfig
@@ -131,6 +131,7 @@ BR2_PACKAGE_CONFD_TEST_MODE=y
 BR2_PACKAGE_GENCERT=y
 BR2_PACKAGE_STATD=y
 BR2_PACKAGE_SUPPORT=y
+BR2_PACKAGE_YANGERD=y
 BR2_PACKAGE_FACTORY=y
 BR2_PACKAGE_FINIT_PLUGIN_HOTPLUG=y
 BR2_PACKAGE_FINIT_PLUGIN_HOOK_SCRIPTS=y

diff --git a/configs/riscv64_defconfig b/configs/riscv64_defconfig
@@ -185,6 +185,7 @@ BR2_PACKAGE_NETD=y
 BR2_PACKAGE_GENCERT=y
 BR2_PACKAGE_STATD=y
 BR2_PACKAGE_SUPPORT_ENCRYPT=y
+BR2_PACKAGE_YANGERD=y
 BR2_PACKAGE_FACTORY=y
 BR2_PACKAGE_FINIT_PLUGIN_HOTPLUG=y
 BR2_PACKAGE_FINIT_PLUGIN_HOOK_SCRIPTS=y

diff --git a/configs/x86_64_defconfig b/configs/x86_64_defconfig
@@ -160,6 +160,7 @@ BR2_PACKAGE_CURIOS_NFTABLES=y
 BR2_PACKAGE_GENCERT=y
 BR2_PACKAGE_STATD=y
 BR2_PACKAGE_SUPPORT_ENCRYPT=y
+BR2_PACKAGE_YANGERD=y
 BR2_PACKAGE_FACTORY=y
 BR2_PACKAGE_FINIT_PLUGIN_HOTPLUG=y
 BR2_PACKAGE_FINIT_PLUGIN_HOOK_SCRIPTS=y

diff --git a/configs/x86_64_minimal_defconfig b/configs/x86_64_minimal_defconfig
@@ -128,6 +128,7 @@ BR2_PACKAGE_CONFD_TEST_MODE=y
 BR2_PACKAGE_GENCERT=y
 BR2_PACKAGE_STATD=y
 BR2_PACKAGE_SUPPORT=y
+BR2_PACKAGE_YANGERD=y
 BR2_PACKAGE_FACTORY=y
 BR2_PACKAGE_FINIT_PLUGIN_HOTPLUG=y
 BR2_PACKAGE_FINIT_PLUGIN_HOOK_SCRIPTS=y

diff --git a/package/Config.in b/package/Config.in
@@ -14,6 +14,7 @@ source "$BR2_EXTERNAL_INFIX_PATH/package/curios-nftables/Config.in"
 source "$BR2_EXTERNAL_INFIX_PATH/package/gencert/Config.in"
 source "$BR2_EXTERNAL_INFIX_PATH/package/statd/Config.in"
 source "$BR2_EXTERNAL_INFIX_PATH/package/support/Config.in"
+source "$BR2_EXTERNAL_INFIX_PATH/package/yangerd/Config.in"
 source "$BR2_EXTERNAL_INFIX_PATH/package/factory/Config.in"
 source "$BR2_EXTERNAL_INFIX_PATH/package/faux/Config.in"
 source "$BR2_EXTERNAL_INFIX_PATH/package/finit/Config.in"

diff --git a/package/statd/Config.in b/package/statd/Config.in
@@ -1,5 +1,7 @@
 config BR2_PACKAGE_STATD
 	bool "statd"
+	depends on BR2_PACKAGE_HOST_GO_TARGET_ARCH_SUPPORTS # yangerd
+	select BR2_PACKAGE_YANGERD
 	select BR2_PACKAGE_JANSSON
 	select BR2_PACKAGE_LIBEV
 	select BR2_PACKAGE_SYSREPO

diff --git a/package/yangerd/Config.in b/package/yangerd/Config.in
@@ -0,0 +1,7 @@
+config BR2_PACKAGE_YANGERD
+	bool "yangerd"
+	depends on BR2_PACKAGE_HOST_GO_TARGET_ARCH_SUPPORTS
+	help
+	  Operational data daemon for YANG/NETCONF/RESTCONF.
+	  Replaces Python yanger scripts with a persistent Go daemon
+	  serving operational data over a Unix socket IPC protocol.
diff --git a/package/yangerd/yangerd.conf b/package/yangerd/yangerd.conf
@@ -0,0 +1,3 @@
+service <> name:yangerd notify:pid log:prio:daemon.notice,tag:yangerd \
+	env:-/etc/default/yangerd \
+	[2345]  yangerd -- Operational data daemon
diff --git a/package/yangerd/yangerd.mk b/package/yangerd/yangerd.mk
@@ -0,0 +1,50 @@
+################################################################################
+#
+# yangerd
+#
+################################################################################
+
+YANGERD_VERSION = 1.0.0
+YANGERD_SITE = $(BR2_EXTERNAL_INFIX_PATH)/src/yangerd
+YANGERD_SITE_METHOD = local
+YANGERD_GOMOD = github.com/kernelkit/infix/src/yangerd
+YANGERD_LICENSE = BSD-2-Clause
+YANGERD_LICENSE_FILES = LICENSE
+YANGERD_REDISTRIBUTE = NO
+
+YANGERD_BUILD_TARGETS = cmd/yangerd cmd/yangerctl
+YANGERD_INSTALL_BINS = yangerd yangerctl
+
+define YANGERD_INSTALL_EXTRA
+	$(INSTALL) -D -m 0644 $(YANGERD_PKGDIR)/yangerd.conf \
+		$(FINIT_D)/available/yangerd.conf
+	ln -sf ../available/yangerd.conf $(FINIT_D)/enabled/yangerd.conf
+	$(INSTALL) -d $(TARGET_DIR)/etc/default
+	echo '# yangerd build-time feature flags (generated by yangerd.mk)' \
+		> $(TARGET_DIR)/etc/default/yangerd
+	echo 'YANGERD_ENABLE_WIFI=$(if $(BR2_PACKAGE_IW),true,false)' \
+		>> $(TARGET_DIR)/etc/default/yangerd
+	echo 'YANGERD_ENABLE_CONTAINERS=$(if $(BR2_PACKAGE_PODMAN),true,false)' \
+		>> $(TARGET_DIR)/etc/default/yangerd
+	echo 'YANGERD_ENABLE_GPS=$(if $(BR2_PACKAGE_GPSD),true,false)' \
+		>> $(TARGET_DIR)/etc/default/yangerd
+	echo 'YANGERD_ENABLE_LLDP=$(if $(BR2_PACKAGE_LLDPD),true,false)' \
+		>> $(TARGET_DIR)/etc/default/yangerd
+	echo 'YANGERD_ENABLE_FIREWALL=$(if $(BR2_PACKAGE_FIREWALLD),true,false)' \
+		>> $(TARGET_DIR)/etc/default/yangerd
+	echo 'YANGERD_ENABLE_DHCP=$(if $(BR2_PACKAGE_DNSMASQ),true,false)' \
+		>> $(TARGET_DIR)/etc/default/yangerd
+	echo 'YANGERD_ENABLE_FRR=$(if $(BR2_PACKAGE_FRR),true,false)' \
+		>> $(TARGET_DIR)/etc/default/yangerd
+	echo 'YANGERD_LOG_LEVEL=info' >> $(TARGET_DIR)/etc/default/yangerd
+	echo '# Soft heap limit, the live data is well under 1 MiB and the' \
+		>> $(TARGET_DIR)/etc/default/yangerd
+	echo '# rest is garbage; without it RSS drifts past 100 MiB on a' \
+		>> $(TARGET_DIR)/etc/default/yangerd
+	echo '# 512 MiB box and the OOM killer picks yangerd during upgrades' \
+		>> $(TARGET_DIR)/etc/default/yangerd
+	echo 'GOMEMLIMIT=64MiB' >> $(TARGET_DIR)/etc/default/yangerd
+endef
+YANGERD_POST_INSTALL_TARGET_HOOKS += YANGERD_INSTALL_EXTRA
+
+$(eval $(golang-package))
diff --git a/src/confd/src/core.c b/src/confd/src/core.c
@@ -837,6 +837,10 @@ static int change_cb(sr_session_ctx_t *session, uint32_t sub_id, const char *mod
 			return SR_ERR_SYS;
 		}
 
+		/* Nudge yangerd to re-poll, best effort: it may not be installed */
+		if (systemf("initctl -bq reload yangerd"))
+			DEBUG("yangerd not reloaded, not running?");
+
 		AUDIT("The new configuration has been applied.");
 	}
 

diff --git a/src/statd/Makefile.am b/src/statd/Makefile.am
@@ -2,7 +2,7 @@ DISTCLEANFILES      = *~ *.d
 ACLOCAL_AMFLAGS     = -I m4
 
 sbin_PROGRAMS       = statd
-statd_SOURCES       = statd.c shared.c shared.h journal.c journal_retention.c journal.h avahi.c avahi.h iface.c iface.h
+statd_SOURCES       = statd.c shared.c shared.h journal.c journal_retention.c journal.h avahi.c avahi.h iface.c iface.h yangerd.c yangerd.h
 statd_CPPFLAGS      = -D_DEFAULT_SOURCE -D_GNU_SOURCE
 statd_CPPFLAGS     += -DSTATD_VERSION=\"$(PACKAGE_VERSION)\"
 statd_CFLAGS        = -W -Wall -Wextra