adguardhome: add GC and thread control variables

Add Go GC and threading control variables - GOGC, GOMEMLIMIT, and
GOMAXPROCS - to allow more granular control of the memory management on
lower memory devices.

Fixes: https://github.com/openwrt/packages/issues/28676
Link: https://go.dev/doc/gc-guide#GOGC
Link: https://pkg.go.dev/runtime#pkg-overview
Link: https://go.dev/blog/container-aware-gomaxprocs
Signed-off-by: George Sapkin <redacted>

diff --git a/net/adguardhome/Makefile b/net/adguardhome/Makefile
index f6ff1e78938bdb8e113344e0b084578c784c774a..6c8c5538ae75f4c6c8fbd3b8da341ea01ca63a3a 100644 (file)
--- a/net/adguardhome/Makefile
+++ b/net/adguardhome/Makefile
@@ -4,7 +4,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=adguardhome
 PKG_VERSION:=0.107.72
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/AdguardTeam/AdGuardHome/tar.gz/v$(PKG_VERSION)?

diff --git a/net/adguardhome/files/adguardhome.config b/net/adguardhome/files/adguardhome.config
index 47ab29e527d30373e2e8b7138461535f3e6500c8..6f633e5f9c04ad931c920b83c0ebd47a0f1421af 100644 (file)
--- a/net/adguardhome/files/adguardhome.config
+++ b/net/adguardhome/files/adguardhome.config
@@ -1,3 +1,4 @@
+
 config adguardhome 'config'
        # All paths must be readable by the configured user
        option config_file '/etc/adguardhome/adguardhome.yaml'
@@ -9,3 +10,16 @@ config adguardhome 'config'
        # Files and directories that AdGuard Home has read-only access to
        # list jail_mount '/etc/ssl/adguardhome.crt'
        # list jail_mount '/etc/ssl/adguardhome.key'
+
+       # Advanced options. Modify at your own risk.
+
+       # https://go.dev/doc/gc-guide#GOGC
+       option gc '0'
+
+       # Max number of OS threads to use
+       # 0 to match the number of CPUs (default)
+       # >0 to explicitly specify concurrency
+       option maxprocs '0'
+
+       # Soft memory limit in MB, 0 to disable
+       option memlimit '0'

diff --git a/net/adguardhome/files/adguardhome.init b/net/adguardhome/files/adguardhome.init
index 83e9a1234e328468b715042e14836b7315c2618a..432b3e473d87198e6a4b7d3d2ab713ffaffe9502 100644 (file)
--- a/net/adguardhome/files/adguardhome.init
+++ b/net/adguardhome/files/adguardhome.init
@@ -48,7 +48,10 @@ start_service() {
        fi
 
        local config_file='/etc/adguardhome/adguardhome.yaml'
+       local gc=0
        local group='adguardhome'
+       local maxprocs=0
+       local memlimit=0
        local user='adguardhome'
        local verbose=0
        local work_dir='/var/lib/adguardhome'
@@ -70,6 +73,9 @@ start_service() {
        procd_open_instance
 
        procd_set_param command "$PROG"
+       [ "$gc" -le 0 ] || procd_append_param env GOGC="$gc"
+       [ "$maxprocs" -le 0 ] || procd_append_param env GOMAXPROCS="$maxprocs"
+       [ "$memlimit" -le 0 ] || procd_append_param env GOMEMLIMIT="$memlimit"
        procd_append_param command --config "$config_file"
        procd_append_param command --logfile syslog
        procd_append_param command --no-check-update