gluon-alfred: replace announce.sh with lua script

This replaces announce.sh with a lua script of (hopefully) equal
functionality. Using lua generating JSON is much faster than jshn and
allows for greater flexibility.
This commit is contained in:
Nils Schneider 2014-03-01 23:47:03 +01:00
parent 96b213c386
commit 1269a7350e
4 changed files with 119 additions and 93 deletions

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@ -11,7 +11,7 @@ include $(INCLUDE_DIR)/package.mk
define Package/gluon-alfred
SECTION:=gluon
CATEGORY:=Gluon
DEPENDS:=+gluon-core +gluon-node-info +gluon-cron +alfred +ethtool
DEPENDS:=+gluon-core +gluon-node-info +gluon-cron +alfred +ethtool +luci-lib-json +luci-lib-core
TITLE:=Configure alfred
endef

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@ -0,0 +1,117 @@
#!/usr/bin/lua
local json = require "luci.json"
local ltn12 = require "luci.ltn12"
local util = require "luci.util"
require "luci.model.uci"
local uci = luci.model.uci.cursor()
local alfred_data_type = tonumber(os.getenv("ALFRED_DATA_TYPE")) or 158
local net_if = os.getenv("NET_IF") or "br-client"
function readAll(file)
local f = io.open(file, "rb")
local content = f:read("*all")
f:close()
return content
end
function chomp(s)
return (s:gsub("^(.-)\n?$", "%1"))
end
function trim(s)
return (s:gsub("^%s*(.-)%s*$", "%1"))
end
output = {}
output["hostname"] = uci:get_first("system", "system", "hostname")
if uci:get_first("gluon-node-info", "location", "share_location", false) then
output["location"] =
{ latitude = tonumber(uci:get_first("gluon-node-info", "location", "latitude"))
, longitude = tonumber(uci:get_first("gluon-node-info", "location", "longitude"))
}
end
local contact = uci:get_first("gluon-node-info", "owner", "contact", "")
if contact ~= "" then
output["owner"] = { contact = contact }
end
output["software"] =
{ firmware = { base = "gluon-" .. chomp(readAll("/lib/gluon/gluon-version"))
, release = chomp(readAll("/lib/gluon/release"))
}
}
local autoupdater = uci:get_all("autoupdater", "settings")
if autoupdater then
output["software"]["autoupdater"] =
{ branch = autoupdater["branch"]
, enabled = uci:get_bool("autoupdater", "settings", "enabled")
}
end
local fastd = uci:get_all("fastd", "mesh_vpn")
if fastd then
output["software"]["fastd"] =
{ enabled = uci:get_bool("fastd", "mesh_vpn", "enabled")
, version = chomp(util.exec("fastd -v | cut -d' ' -f2"))
}
end
output["hardware"] =
{ model = chomp(util.exec(". /lib/gluon/functions/model.sh; get_model")) }
local addresses = {}
local tmp = util.exec("ip -o -6 addr show dev \"" .. net_if .. "\" | "
.. "grep -oE 'inet6 [0-9a-fA-F:]+' | cut -d' ' -f2")
for address in tmp:gmatch("[^\n]+") do
table.insert(addresses, address)
end
output["network"] =
{ mac = chomp(util.exec(". /lib/gluon/functions/sysconfig.sh; sysconfig primary_mac"))
, addresses = addresses
}
local gateway =
chomp(util.exec("batctl -m bat0 gateways | awk '/^=>/ { print $2 }'"))
if gateway ~= "" then
output["network"]["gateway"] = gateway
end
local traffic = {}
local ethtool = util.exec("ethtool -S bat0")
for k, v in ethtool:gmatch("([%a_]+): ([0-9]+)") do
traffic[k] = v
end
for _,class in ipairs({"rx", "tx", "forward", "mgmt_rx", "mgmt_tx"}) do
traffic[class] =
{ bytes = traffic[class .. "_bytes"]
, packets = traffic[class]
}
if class == "tx" then
traffic[class]["dropped"] = traffic[class .. "_dropped"]
end
end
output["statistics"] =
{ uptime = chomp(util.exec("cut -d' ' -f1 /proc/uptime"))
, loadavg = chomp(util.exec("cut -d' ' -f1 /proc/loadavg"))
, traffic = traffic
}
encoder = json.Encoder(output)
alfred = io.popen("alfred -s " .. tostring(alfred_data_type), "w")
ltn12.pump.all(encoder:source(), ltn12.sink.file(alfred))

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@ -1,91 +0,0 @@
#!/bin/sh
if [ -f /lib/functions/jshn.sh ]; then
. /lib/functions/jshn.sh
elif [ -f /usr/share/libubox/jshn.sh ]; then
. /usr/share/libubox/jshn.sh
else
echo "Error: jshn.sh not found!"
exit 1
fi
. /lib/gluon/functions/model.sh
. /lib/gluon/functions/sysconfig.sh
# set defaults
[ -z "$ALFRED_DATA_TYPE" ] && ALFRED_DATA_TYPE=158
[ -z "$NET_IF" ] && NET_IF=br-client
set -e
json_init
json_add_string "hostname" "$(uci get 'system.@system[0].hostname')"
if [ "$(uci -q get 'gluon-node-info.@location[0].share_location')" = 1 ]; then
json_add_object "location"
json_add_double "latitude" "$(uci get 'gluon-node-info.@location[0].latitude')"
json_add_double "longitude" "$(uci get 'gluon-node-info.@location[0].longitude')"
json_close_object # location
fi
if [ -n "$(uci -q get 'gluon-node-info.@owner[0].contact')" ]; then
json_add_object "owner"
json_add_string "contact" "$(uci get 'gluon-node-info.@owner[0].contact')"
json_close_object # owner
fi
json_add_object "software"
json_add_object "firmware"
json_add_string "base" "gluon-$(cat /lib/gluon/gluon-version)"
json_add_string "release" "$(cat /lib/gluon/release)"
json_close_object # firmware
if [ -x /usr/sbin/autoupdater ]; then
json_add_object "autoupdater"
json_add_string "branch" "$(uci -q get autoupdater.settings.branch)"
json_add_boolean "enabled" "$(uci -q get autoupdater.settings.enabled)"
json_close_object # autoupdater
fi
if [ -x /usr/bin/fastd ]; then
json_add_object "fastd"
json_add_string "version" "$(fastd -v | cut -d' ' -f2)"
json_add_boolean "enabled" "$(uci -q get fastd.mesh_vpn.enabled)"
json_close_object # fastd
fi
json_close_object # software
json_add_object "hardware"
json_add_string "model" "$(get_model)"
json_close_object # hardware
json_add_object "network"
json_add_string "mac" "$(sysconfig primary_mac)"
json_add_array "addresses"
for addr in $(ip -o -6 addr show dev "$NET_IF" | grep -oE 'inet6 [0-9a-fA-F:]+' | cut -d' ' -f2); do
json_add_string "" "$addr"
done
json_close_array # adresses
GATEWAY="$(batctl -m bat0 gateways | awk '/^=>/ { print $2 }')"
[ -z "$GATEWAY" ] || json_add_string "gateway" "$GATEWAY"
json_close_object # network
json_add_object "statistics"
json_add_int "uptime" "$(cut -d' ' -f1 /proc/uptime)"
json_add_double "loadavg" "$(cut -d' ' -f1 /proc/loadavg)"
json_add_object "traffic"
TRAFFIC="$(ethtool -S bat0 | sed -e 's/^ *//')"
for class in rx tx forward mgmt_rx mgmt_tx; do
json_add_object "$class"
json_add_int "bytes" "$(echo "$TRAFFIC" | awk -F': ' "/^${class}_bytes:/ { print \$2 }")"
json_add_int "packets" "$(echo "$TRAFFIC" | awk -F': ' "/^${class}:/ { print \$2 }")"
if [ "$class" = "tx" ]; then
json_add_int "dropped" "$(echo "$TRAFFIC" | awk -F': ' "/^${class}_dropped:/ { print \$2 }")"
fi
json_close_object # $class
done
json_close_object # traffic
json_close_object # statistics
json_dump | tr -d '\n' | alfred -s "$ALFRED_DATA_TYPE"

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@ -1 +1 @@
* * * * * /lib/gluon/alfred/announce.sh
* * * * * /lib/gluon/alfred/announce.lua