ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/external/subpack/net/keepalived/files/keepalived.init b/external/subpack/net/keepalived/files/keepalived.init
new file mode 100644
index 0000000..03c2af6
--- /dev/null
+++ b/external/subpack/net/keepalived/files/keepalived.init
@@ -0,0 +1,548 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2007-2015 OpenWrt.org
+
+START=70
+STOP=01
+
+USE_PROCD=1
+
+KEEPALIVED_CONF=/tmp/keepalived.conf
+
+INDENT_1="\t"
+INDENT_2="${INDENT_1}${INDENT_1}"
+INDENT_3="${INDENT_1}${INDENT_1}${INDENT_1}"
+INDENT_4="${INDENT_1}${INDENT_1}${INDENT_1}${INDENT_1}"
+
+config_section_open() {
+ local tag="$1"
+ local name="$2"
+
+ printf '%s' "$tag" >> "$KEEPALIVED_CONF"
+ [ -n "$name" ] && printf ' %s' "$name" >> "$KEEPALIVED_CONF"
+ printf ' {\n' >> "$KEEPALIVED_CONF"
+}
+
+config_section_close() {
+ printf '}\n\n' >> "$KEEPALIVED_CONF"
+}
+
+config_foreach_wrapper() {
+ local section="$1"
+ local function="$1"
+
+ # Convention is that 'function' and 'section' are the same
+ config_foreach "$function" "$section"
+}
+
+print_elems_indent() {
+ local config="$1"
+ shift
+ local indent="$1"
+ shift
+
+ [ -z "$indent" ] && indent="$INDENT_1"
+ for opt in "$@"; do
+ local "$opt"
+ local optval
+ local no_val=0
+ if [ "${opt:0:7}" = "no_val_" ]; then
+ opt="${opt:7}"
+ no_val=1
+ fi
+ config_get "$opt" "$config" "$opt"
+ eval optval=\$"$opt"
+ [ -z "$optval" ] && continue
+ printf '%b%s' "$indent" "$opt" >> "$KEEPALIVED_CONF"
+ [ "$no_val" = "0" ] && {
+ local words=0
+ words="$(echo "$optval" | wc -w)"
+ if [ "$words" -gt 1 ]; then
+ printf ' "%s"' "$optval" >> "$KEEPALIVED_CONF"
+ else
+ printf ' %s' "$optval" >> "$KEEPALIVED_CONF"
+ fi
+ }
+ printf '\n' >> "$KEEPALIVED_CONF"
+ done
+ unset optval
+}
+
+print_list_indent() {
+ local lst="$1"
+ local indent="$2"
+ local lst_elems
+ [ -z "$indent" ] && indent="$INDENT_1"
+
+ eval lst_elems=\$"$lst"
+ [ -z "$lst_elems" ] && return 0
+
+ printf '%b%s {\n' "$indent" "$lst" >> "$KEEPALIVED_CONF"
+ for e in $lst_elems; do
+ printf '%b%s\n' "${indent}${INDENT_1}" "$e">> "$KEEPALIVED_CONF"
+ done
+ printf '%b}\n' "$indent" >> "$KEEPALIVED_CONF"
+}
+
+print_notify() {
+ local type="$1"
+ shift
+ local name="$1"
+ shift
+ for notify in "$@"; do
+ printf '%b%s' "${INDENT_1}" "$notify">> "$KEEPALIVED_CONF"
+ notify="$(echo "$notify" | tr 'a-z' 'A-Z')"
+ printf ' "/bin/busybox env -i ACTION=%s TYPE=%s NAME=%s /sbin/hotplug-call keepalived"\n' "$notify" "$type" "$name" >> "$KEEPALIVED_CONF"
+ done
+}
+
+globals() {
+ local notification_email
+
+ printf '%bscript_user root\n' "${INDENT_1}" >> "$KEEPALIVED_CONF"
+ printf '%benable_script_security\n' "${INDENT_1}" >> "$KEEPALIVED_CONF"
+
+ config_get notification_email "$1" notification_email
+ print_list_indent notification_email
+
+ print_elems_indent "$1" "$INDENT_1" \
+ notification_email_from \
+ smtp_server \
+ smtp_connect_timeout \
+ router_id \
+ vrrp_mcast_group4 \
+ vrrp_mcast_group6 \
+ vrrp_startup_delay
+}
+
+print_ipaddress_indent() {
+ local section="$1"
+ local curr_ipaddr="$2"
+ local indent="$3"
+
+ local address device scope name
+ config_get name "$section" name
+ [ "$name" != "$curr_ipaddr" ] && return 0
+
+ config_get address "$section" address
+ config_get device "$section" device
+ config_get scope "$section" scope
+
+ # Default indent
+ [ -z "$indent" ] && indent="$INDENT_1"
+
+ # If no address exit
+ [ -z "$address" ] && return 0
+
+ if [ -z "$device" ]; then
+ printf '%b%s' "$indent" "$address" >> "$KEEPALIVED_CONF"
+ else
+ # Add IP address/netmask and device
+ printf '%b%s dev %s' "$indent" "$address" "$device">> "$KEEPALIVED_CONF"
+ # Add scope
+ [ -n "$scope" ] && printf ' scope %s' "$scope" >> "$KEEPALIVED_CONF"
+ fi
+
+ printf '\n' >> "$KEEPALIVED_CONF"
+}
+
+static_ipaddress() {
+ local address
+ config_get address "$1" address
+ for a in $address; do
+ config_foreach print_ipaddress_indent ipaddress "$a"
+ done
+}
+
+print_route_indent() {
+ local section="$1"
+ local curr_route="$2"
+ local indent="$3"
+
+ local name blackhole address src_addr gateway device scope table
+
+ config_get name "$section" name
+ [ "$name" != "$curr_route" ] && return 0
+
+ config_get_bool blackhole "$section" blackhole 0
+ config_get address "$section" address
+ config_get src_addr "$section" src_addr
+ config_get gateway "$section" gateway
+ config_get device "$section" device
+ config_get table "$section" table
+
+ # If no address exit
+ [ -z "$address" ] && return 0
+
+ # Default indent
+ [ -z "$indent" ] && indent="$INDENT_1"
+
+ [ "$blackhole" -gt 0 ] && {
+ printf '%bblackhole %s\n' "$indent" "$address" >> "$KEEPALIVED_CONF"
+ return 0
+ }
+ # Add src addr or address
+ if [ -n "$src_addr" ]; then
+ printf '%bsrc %s %s' "$indent" "$src_addr" "$address" >> "$KEEPALIVED_CONF"
+ else
+ [ -z "$device" ] && return 0
+ printf '%b%s' "$indent" "$address" >> "$KEEPALIVED_CONF"
+ fi
+ # Add route/gateway
+ [ -n "$gateway" ] && printf ' via %s' "$gateway" >> "$KEEPALIVED_CONF"
+ # Add device
+ printf ' dev %s' "$device" >> "$KEEPALIVED_CONF"
+ # Add scope
+ [ -n "$scope" ] && printf ' scope %s' "$scope" >> "$KEEPALIVED_CONF"
+ # Add table
+ [ -n "$table" ] && printf ' table %s' "$table" >> "$KEEPALIVED_CONF"
+ printf '\n' >> "$KEEPALIVED_CONF"
+
+}
+
+print_track_elem_indent() {
+ local section="$1"
+ local curr_track_elem="$2"
+ local indent="$3"
+
+ local name value
+ config_get name "$section" name
+ [ "$name" != "$curr_track_elem" ] && return 0
+
+ config_get value "$section" value
+ config_get weight "$section" weight
+
+ [ -z "$value" ] && return 0
+
+ printf '%b%s' "$indent" "$value" >> "$KEEPALIVED_CONF"
+ [ -n "$weight" ] && printf ' weight %s' "$weight" >> "$KEEPALIVED_CONF"
+ printf '\n' >> "$KEEPALIVED_CONF"
+}
+
+static_routes() {
+ local route
+ config_get route "$1" route
+ for r in $route; do
+ config_foreach print_route_indent route "$r"
+ done
+}
+
+# Count 'vrrp_instance' with the given name ; called by vrrp_instance_check()
+vrrp_instance_name_count() {
+ local name
+ config_get name "$1" name
+ [ "$name" = "$2" ] && count="$((count + 1))"
+}
+
+# Check if there's a 'vrrp_instance' section with the given name
+vrrp_instance_check() {
+ local count="0"
+ local name="$1"
+ config_foreach vrrp_instance_name_count vrrp_instance "$name"
+ [ $count -gt 0 ] && return 0 || return 1
+}
+
+vrrp_sync_group() {
+ local group name
+ local valid_group
+
+ # No name for group, exit
+ config_get name "$1" name
+ [ -z "$name" ] && return 0
+
+ # No members for group, exit
+ config_get group "$1" group
+ [ -z "$group" ] && return 0
+
+ # Check if we have 'vrrp_instance's defined for
+ # each member and remove names with not vrrp_instance defined
+ for m in $group; do
+ vrrp_instance_check "$m" && valid_group="$valid_group $m"
+ done
+ [ -z "$valid_group" ] && return 0
+
+ config_section_open "vrrp_sync_group" "$name"
+
+ group="$valid_group"
+ print_list_indent group
+
+ print_elems_indent "$1" "$INDENT_1" no_val_smtp_alert no_val_global_tracking
+
+ print_notify "GROUP" "$name" notify_backup notify_master \
+ notify_fault notify
+
+ config_section_close
+}
+
+vrrp_instance() {
+ local name auth_type auth_pass
+
+ config_get name "$1" name
+ [ -z "$name" ] && return 0
+
+ config_section_open "vrrp_instance" "$name"
+
+ config_get auth_type "$1" auth_type
+ config_get auth_pass "$1" auth_pass
+ [ -n "$auth_type" ] && [ -n "$auth_pass" ] && {
+ printf '%bauthentication {\n' "${INDENT_1}" >> "$KEEPALIVED_CONF"
+ printf '%bauth_type %s\n' "${INDENT_2}" "$auth_type" >> "$KEEPALIVED_CONF"
+ printf '%bauth_pass %s\n' "${INDENT_2}" "$auth_pass" >> "$KEEPALIVED_CONF"
+ printf '%b}\n' "${INDENT_1}" >> "$KEEPALIVED_CONF"
+ }
+
+ print_elems_indent "$1" "$INDENT_1" state interface \
+ mcast_src_ip unicast_src_ip virtual_router_id version priority \
+ advert_int preempt_delay debug \
+ lvs_sync_daemon_interface garp_master_delay garp_master_refresh \
+ garp_master_repeat garp_master_refresh_repeat \
+ no_val_vmac_xmit_base no_val_native_ipv6 no_val_accept \
+ no_val_dont_track_primary no_val_smtp_alert no_val_nopreempt \
+ no_val_use_vmac
+
+ print_notify "INSTANCE" "$name" notify_backup notify_master \
+ notify_fault notify_stop
+
+ # Handle virtual_ipaddress & virtual_ipaddress_excluded lists
+ for opt in virtual_ipaddress virtual_ipaddress_excluded; do
+ config_get "$opt" "$1" "$opt"
+ eval optval=\$$opt
+ [ -z "$optval" ] && continue
+ printf '%b%s {\n' "${INDENT_1}" "$opt" >> "$KEEPALIVED_CONF"
+ for a in $optval; do
+ config_foreach print_ipaddress_indent ipaddress "$a" "$INDENT_2"
+ done
+ printf '%b}\n' "${INDENT_1}" >> "$KEEPALIVED_CONF"
+ done
+
+ # Handle virtual_routes
+ for opt in virtual_routes; do
+ config_get "$opt" "$1" "$opt"
+ eval optval=\$$opt
+ [ -z "$optval" ] && continue
+ printf '%b%s {\n' "${INDENT_1}" "$opt" >> "$KEEPALIVED_CONF"
+ for r in $optval; do
+ config_foreach print_route_indent route "$r" "$INDENT_2"
+ done
+ printf '%b}\n' "${INDENT_1}" >> "$KEEPALIVED_CONF"
+ done
+
+ # Handle track_script lists
+ for opt in track_script; do
+ config_get "$opt" "$1" "$opt"
+ eval optval=\$$opt
+ [ -z "$optval" ] && continue
+ printf '%b%s {\n' "${INDENT_1}" "$opt" >> "$KEEPALIVED_CONF"
+ for t in $optval; do
+ printf '%b%s\n' "${INDENT_2}" "$optval" >> "$KEEPALIVED_CONF"
+ done
+ printf '%b}\n' "${INDENT_1}" >> "$KEEPALIVED_CONF"
+ done
+
+ # Handle track_interface lists
+ for opt in track_interface; do
+ config_get "$opt" "$1" "$opt"
+ eval optval=\$$opt
+ [ -z "$optval" ] && continue
+ printf '%b%s {\n' "${INDENT_1}" "$opt" >> "$KEEPALIVED_CONF"
+ for t in $optval; do
+ config_foreach print_track_elem_indent track_interface "$t" "$INDENT_2"
+ done
+ printf '%b}\n' "${INDENT_1}" >> "$KEEPALIVED_CONF"
+ done
+
+ # Handle simple lists of strings (with no spaces in between)
+ for opt in unicast_peer; do
+ config_get "$opt" "$1" "$opt"
+ print_list_indent "$opt"
+ done
+ unset optval
+
+ config_section_close
+}
+
+vrrp_script() {
+ local name
+
+ config_get name "$1" name
+ [ -z "$name" ] && return 0
+
+ config_section_open "vrrp_script" "$name"
+
+ print_elems_indent "$1" "$INDENT_1" script interval weight fall rise
+
+ config_section_close
+}
+
+url() {
+ local url="$2"
+
+ local name path digest
+
+ config_get name "$1" name
+ [ "$url" = "$name" ] || return 0
+
+ config_get path "$1" path
+ config_get digest "$1" digest
+
+ [ -n "$digest" ] && [ -n "$path" ] && {
+ printf '%burl {\n' "${INDENT_3}" >> "$KEEPALIVED_CONF"
+ printf '%bpath %s\n' "${INDENT_4}" "$path" >> "$KEEPALIVED_CONF"
+ printf '%bdigest %s\n' "${INDENT_4}" "$digest" >> "$KEEPALIVED_CONF"
+ printf '%b}\n' "${INDENT_3}" >> "$KEEPALIVED_CONF"
+ }
+}
+
+url_list() {
+ config_foreach url url "$1"
+}
+
+real_server() {
+ local server="$2"
+
+ local enabled name weight ipaddr port check
+
+ config_get_bool enabled "$1" enabled 1
+ [ "$enabled" -eq 1 ] || return 0
+
+ config_get name "$1" name
+ [ "$server" = "$name" ] || return 0
+
+ config_get weight "$1" weight
+ [ -n "$weight" ] || return 0
+
+ config_get ipaddr "$1" ipaddr
+ config_get port "$1" port
+ config_get check "$1" check
+
+ [ -n "$ipaddr" ] && [ -n "$port" ] && {
+ printf '%breal_server %s %d {\n' "${INDENT_1}" "$ipaddr" "$port" >> "$KEEPALIVED_CONF"
+ printf '%bweight %d\n' "${INDENT_2}" "$weight" >> "$KEEPALIVED_CONF"
+ case "$check" in
+ TCP_CHECK)
+ printf '%b%s {\n' "${INDENT_2}" "$check" >> "$KEEPALIVED_CONF"
+ print_elems_indent "$1" "$INDENT_3" connect_timeout \
+ connect_port
+ printf '%b}\n' "${INDENT_2}" >> "$KEEPALIVED_CONF"
+ ;;
+ MISC_CHECK)
+ printf '%b%s {\n' "${INDENT_2}" "$check" >> "$KEEPALIVED_CONF"
+ print_elems_indent "$1" "$INDENT_3" misc_path
+ printf '%b}\n' "${INDENT_2}" >> "$KEEPALIVED_CONF"
+ ;;
+ HTTP_GET | SSL_GET)
+ printf '%b%s {\n' "${INDENT_2}" "$check" >> "$KEEPALIVED_CONF"
+ print_elems_indent "$1" "$INDENT_3" connect_timeout \
+ connect_port nb_get_retry delay_before_retry
+ # Handle url list
+ config_list_foreach "$1" url url_list
+ printf '%b}\n' "${INDENT_2}" >> "$KEEPALIVED_CONF"
+ ;;
+ esac
+ printf '%b}\n' "${INDENT_1}" >> "$KEEPALIVED_CONF"
+ }
+}
+
+real_server_list() {
+ config_foreach real_server real_server "$1"
+}
+
+virtual_server() {
+ local enabled ipaddr port lb_algo sorry_server_ip sorry_server_port
+
+ config_get_bool enabled "$1" enabled 1
+ [ "$enabled" -eq 1 ] || return 0
+
+ config_get ipaddr "$1" ipaddr
+ [ -z "$ipaddr" ] && return 0
+ config_get port "$1" port
+ [ -z "$port" ] && return 0
+
+ config_section_open "virtual_server" "$ipaddr $port"
+
+ print_elems_indent "$1" "$INDENT_1" fwmark delay_loop \
+ lb_kind persistence_timeout persistence_granularity \
+ virtualhost protocol
+
+ config_get lb_algo "$1" lb_algo
+ [ -z "$lb_algo" ] && lb_algo="rr"
+ modprobe ip_vs_${lb_algo} 1>/dev/null 2>&1
+ printf '%blb_algo %s\n' "${INDENT_1}" "${lb_algo}" >> "$KEEPALIVED_CONF"
+
+ config_get sorry_server_ip "$1" sorry_server_ip
+ config_get sorry_server_port "$1" sorry_server_port
+ [ -n "$sorry_server_ip" ] && [ -n "$sorry_server_port" ] && {
+ printf '%bsorry_server %s %s\n' "${INDENT_1}" "$sorry_server_ip" "$sorry_server_port" >> "$KEEPALIVED_CONF"
+ }
+
+ # Handle real_server list
+ config_list_foreach "$1" real_server real_server_list
+
+ config_section_close
+}
+
+process_config() {
+ local alt_config_file linkbeat_use_polling
+
+ rm -f "$KEEPALIVED_CONF"
+
+ # First line
+ printf '! Configuration file for keepalived (autogenerated via init script)\n' > "$KEEPALIVED_CONF"
+ printf '! Written %s\n\n' "$(date +'%c')" >> "$KEEPALIVED_CONF"
+
+ [ -f /etc/config/keepalived ] || return 0
+ config_load 'keepalived'
+ config_get alt_config_file globals alt_config_file
+
+ # If "alt_config_file" specified, use that instead
+ [ -n "$alt_config_file" ] && [ -f "$alt_config_file" ] && {
+ rm -f "$KEEPALIVED_CONF"
+ # Symlink "alt_config_file" since it's a bit easier and safer
+ ln -s "$alt_config_file" "$KEEPALIVED_CONF"
+ return 0
+ }
+
+ config_get_bool linkbeat_use_polling globals linkbeat_use_polling 0
+ [ "$linkbeat_use_polling" -gt 0 ] && printf 'linkbeat_use_polling\n\n' >> "$KEEPALIVED_CONF"
+
+ config_section_open "global_defs"
+ config_foreach_wrapper globals
+ config_section_close
+
+ config_section_open "static_ipaddress"
+ config_foreach_wrapper static_ipaddress
+ config_section_close
+
+ config_section_open "static_routes"
+ config_foreach_wrapper static_routes
+ config_section_close
+
+ config_foreach_wrapper vrrp_script
+ config_foreach_wrapper vrrp_sync_group
+ config_foreach_wrapper vrrp_instance
+ config_foreach_wrapper virtual_server
+ return 0
+}
+
+service_triggers() {
+ procd_add_reload_trigger "keepalived"
+}
+
+reload_service() {
+ process_config
+ #SIGHUP is used by keepalived to do init.d reload
+ procd_send_signal keepalived
+}
+
+start_service() {
+ procd_open_instance
+ procd_set_param command /usr/sbin/keepalived
+ procd_append_param command -n # don't daemonize, procd will handle that for us
+ procd_append_param command -f "$KEEPALIVED_CONF"
+
+ process_config
+
+ # set auto respawn behavior
+ procd_set_param respawn
+ procd_close_instance
+}
+