luci-app-nut: Add support for NUT configuration

Adds app to configure NUT (Network UPS Tools), including
nut-server, nut-monitor, and nut-cgi.

Signed-off-by: Daniel F. Dickinson <cshored@thecshore.com>

4 files changed, 501 insertions, 0 deletions

diff --git a/applications/luci-app-nut/luasrc/controller/nut.lua b/applications/luci-app-nut/luasrc/controller/nut.lua
new file mode 100644
index 000000000..5598451d6
--- /dev/null
+++ b/applications/luci-app-nut/luasrc/controller/nut.lua
@@ -0,0 +1,25 @@
+-- Copyright 2015 Daniel Dickinson <openwrt@daniel.thecshore.com>
+-- Licensed to the public under the Apache License 2.0.
+
+module("luci.controller.nut", package.seeall)
+
+function index()
+	if not nixio.fs.access("/etc/config/nut_server") and not nixio.fs.access("/etc/config/nut_monitor") and not nixio.fs.access("/etc/config/nut_cgi") then
+		return
+	end
+
+	entry({"admin", "services", "nut"}, firstchild(), _("Network UPS Tools"))
+
+	if nixio.fs.access("/etc/config/nut_server") then
+		entry({"admin", "services", "nut", "server"}, cbi("nut_server"), _("Network UPS Tools (Server)"), 20)
+	end
+
+	if nixio.fs.access("/etc/config/nut_monitor") then
+		entry({"admin", "services", "nut", "monitor"}, cbi("nut_monitor"), _("Network UPS Tools (Monitor)"), 30)
+	end
+
+	if nixio.fs.access("/etc/config/nut_cgi") then
+		entry({"admin", "services", "nut", "cgi"}, cbi("nut_cgi"), _("Network UPS Tools (CGI)"), 40)
+	end
+end
+
diff --git a/applications/luci-app-nut/luasrc/model/cbi/nut_cgi.lua b/applications/luci-app-nut/luasrc/model/cbi/nut_cgi.lua
new file mode 100644
index 000000000..9afa2ed24
--- /dev/null
+++ b/applications/luci-app-nut/luasrc/model/cbi/nut_cgi.lua
@@ -0,0 +1,44 @@
+-- Copyright 2015 Daniel Dickinson <openwrt@daniel.thecshore.com>
+-- Licensed to the public under the Apache License 2.0.
+
+local m, s, o
+
+m = Map("nut_cgi", translate("Network UPS Tools (CGI)"),
+	translate("Network UPS Tools CGI Configuration"))
+
+s = m:section(SimpleSection, translate("NUT CGI Access"))
+s.addremove = false
+s.anonymous = true
+
+o = s:option(DummyValue, "nut_cgi_go", '<a href="/nut">' .. translate("Go to NUT CGI") .. '</a>')
+o.section = "cbi-nut_cgi"
+
+s = m:section(TypedSection, "host", translate("Host"))
+s.addremove = true
+s.anonymous = true
+
+o = s:option(Value, "upsname", translate("UPS name"), translate("As configured by NUT"))
+o.optional = false
+
+o = s:option(Value, "hostname", translate("Hostname or IP address"))
+o.optional = false
+o.datatype = "host"
+
+o = s:option(Value, "port", translate("Port"))
+o.datatype = "port"
+o.optional = true
+o.placeholder = 3493
+
+o = s:option(Value, "displayname", translate("Display name"))
+o.optional = false
+
+s = m:section(TypedSection, "upsset", translate("Control UPS via CGI"))
+s.addremove = false
+s.anonymous = true
+s.optional = false
+
+o = s:option(Flag, "enable", translate("Enable"))
+o.optional = false
+o.default = false
+
+return m
diff --git a/applications/luci-app-nut/luasrc/model/cbi/nut_monitor.lua b/applications/luci-app-nut/luasrc/model/cbi/nut_monitor.lua
new file mode 100644
index 000000000..0eda5d83e
--- /dev/null
+++ b/applications/luci-app-nut/luasrc/model/cbi/nut_monitor.lua
@@ -0,0 +1,241 @@
+-- Copyright 2015 Daniel Dickinson <openwrt@daniel.thecshore.com>
+-- Licensed to the public under the Apache License 2.0.
+
+local m, s, o
+require "luci.util"
+
+m = Map("nut_monitor", translate("Network UPS Tools (Monitor)"),
+	translate("Network UPS Tools Monitoring Configuration"))
+
+s = m:section(NamedSection, "upsmon", "upsmon", translate("Global Settings"))
+s.addremove = true
+s.optional = true
+
+o = s:option(Value, "runas", translate("RunAs User"), translate("upsmon drops privileges to this user"))
+o.placeholder = "nutmon"
+
+o = s:option(Value, "minsupplies", translate("Minimum required number or power supplies"))
+o.datatype = "uinteger"
+o.placeholder = 1
+o.optional = true
+
+o = s:option(Value, "shutdowncmd", translate("Shutdown command"))
+o.optional = true
+o.placeholder = "/sbin/halt"
+
+o = s:option(Value, "notifycmd", translate("Notify command"))
+o.optional = true
+
+o = s:option(Value, "pollfreq", translate("Poll frequency"))
+o.datatype = "uinteger"
+o.placeholder = 5
+o.optional = true
+
+o = s:option(Value, "pollfreqalert", translate("Poll frequency alert"))
+o.datatype = "uinteger"
+o.optional = true
+o.placeholder = 5
+
+o = s:option(Value, "hotsync", translate("Hot Sync"))
+o.optional = true
+o.placeholder = 15
+
+o = s:option(Value, "deadtime", translate("Deadtime"))
+o.datatype = "uinteger"
+o.optional = true
+o.placeholder = 15
+
+o = s:option(Value, "onlinemsg", translate("Online message"))
+o.optional = true
+
+o = s:option(Value, "onbattmsg", translate("On battery message"))
+o.optional = true
+
+o = s:option(Value, "lowbattmsg", translate("Low battery message"))
+o.optional = true
+
+o = s:option(Value, "fsdmsg", translate("Forced shutdown message"))
+o.optional = true
+
+o = s:option(Value, "comokmsg", translate("Communications restored message"))
+o.optional = true
+
+o = s:option(Value, "combadmsg", translate("Communications lost message"))
+o.optional = true
+
+o = s:option(Value, "shutdownmsg", translate("Shutdown message"))
+o.optional = true
+
+o = s:option(Value, "replbattmsg", translate("Replace battery message"))
+o.optional = true
+
+o = s:option(Value, "nocommsg", translate("No communications message"))
+o.optional = true
+
+o = s:option(Value, "noparentmsg", translate("No parent message"))
+o.optional = true
+
+validatenotify = function(self, value)
+	val = StaticList.validate(self, value)
+	if val then
+		for k, v in pairs(val) do
+			if (v == 'IGNORE') then
+				return nil, "Ignore must the only option selected, when selected"
+			end
+		end
+	end
+	return val
+end
+
+o = s:option(StaticList, "defaultnotify", translate("Notification defaults"))
+o.optional = true
+o.widget = "select"
+o:value("EXEC", translate("Execute notify command"))
+o:value("SYSLOG", translate("Write to syslog"))
+o:value("IGNORE", translate("Ignore"))
+o.default = "SYSLOG"
+o.validate = validatenotify
+
+o = s:option(StaticList, "onlinenotify", translate("Notify when back online"))
+o.optional = true
+o.widget = "select"
+o:value("EXEC", translate("Execute notify command"))
+o:value("SYSLOG", translate("Write to syslog"))
+o:value("IGNORE", translate("Ignore"))
+o.validate = validatenotify
+
+o = s:option(StaticList, "onbattnotify", translate("Notify when on battery"))
+o.optional = true
+o.widget = "select"
+o:value("EXEC", translate("Execute notify command"))
+o:value("SYSLOG", translate("Write to syslog"))
+o:value("IGNORE", translate("Ignore"))
+o.validate = validatenotify
+
+o = s:option(StaticList, "nowbattnotify", translate("Notify when low battery"))
+o.optional = true
+o.widget = "select"
+o:value("EXEC", translate("Execute notify command"))
+o:value("SYSLOG", translate("Write to syslog"))
+o:value("IGNORE", translate("Ignore"))
+o.validate = validatenotify
+
+o = s:option(StaticList, "nowbattnotify", translate("Notify when low battery"))
+o.optional = true
+o.widget = "select"
+o:value("EXEC", translate("Execute notify command"))
+o:value("SYSLOG", translate("Write to syslog"))
+o:value("IGNORE", translate("Ignore"))
+o.validate = validatenotify
+
+o = s:option(StaticList, "fsdnotify", translate("Notify when force shutdown"))
+o.optional = true
+o.widget = "select"
+o:value("EXEC", translate("Execute notify command"))
+o:value("SYSLOG", translate("Write to syslog"))
+o:value("IGNORE", translate("Ignore"))
+o.validate = validatenotify
+
+o = s:option(StaticList, "comoknotify", translate("Notify when communications restored"))
+o.optional = true
+o.widget = "select"
+o:value("EXEC", translate("Execute notify command"))
+o:value("SYSLOG", translate("Write to syslog"))
+o:value("IGNORE", translate("Ignore"))
+o.validate = validatenotify
+
+o = s:option(StaticList, "combadnotify", translate("Notify when communications lost"))
+o.optional = true
+o.widget = "select"
+o:value("EXEC", translate("Execute notify command"))
+o:value("SYSLOG", translate("Write to syslog"))
+o:value("IGNORE", translate("Ignore"))
+o.validate = validatenotify
+
+o = s:option(StaticList, "shutdownotify", translate("Notify when shutting down"))
+o.optional = true
+o.widget = "select"
+o:value("EXEC", translate("Execute notify command"))
+o:value("SYSLOG", translate("Write to syslog"))
+o:value("IGNORE", translate("Ignore"))
+o.validate = validatenotify
+
+o = s:option(StaticList, "replbattnotify", translate("Notify when battery needs replacing"))
+o.optional = true
+o.widget = "select"
+o:value("EXEC", translate("Execute notify command"))
+o:value("SYSLOG", translate("Write to syslog"))
+o:value("IGNORE", translate("Ignore"))
+o.validate = validatenotify
+
+local have_ssl_support = luci.util.checklib("/usr/sbin/upsmon", "libssl.so")
+
+if have_ssl_support then
+	o = s:option(Value, "certpath", translate("CA Certificate path"), translate("Path containing ca certificates to match against host certificate"))
+	o.optional = true
+	o.placeholder = "/etc/ssl/certs"
+
+	o = s:option(Flag, "certverify", translate("Verify all connection with SSL"), translate("Require SSL and make sure server CN matches hostname"))
+	o.optional = true
+	o.default = false
+end
+
+s = m:section(TypedSection, "master", translate("UPS Master"))
+s.optional = true
+s.addremove = true
+s.anonymous = true
+
+o = s:option(Value, "upsname", translate("Name of UPS"), translate("As configured by NUT"))
+o.optional = false
+
+o = s:option(Value, "hostname", translate("Hostname or address of UPS"))
+o.optional = false
+s.datetype = "host"
+
+o = s:option(Value, "port", translate("Port"))
+o.optional = true
+o.placeholder = 3493
+o.datatype = "port"
+
+o = s:option(Value, "powervalue", translate("Power value"))
+o.optional = false
+o.datatype = "uinteger"
+o.default = 1
+
+o = s:option(Value, "username", translate("Username"))
+o.optional = false
+
+o = s:option(Value, "password", translate("Password"))
+o.optional = false
+o.password = true
+
+s = m:section(TypedSection, "slave", translate("UPS Slave"))
+s.optional = true
+s.addremove = true
+s.anonymous = true
+
+o = s:option(Value, "upsname", translate("Name of UPS"), translate("As configured by NUT"))
+o.optional = false
+
+o = s:option(Value, "hostname", translate("Hostname or address of UPS"))
+o.optional = false
+s.datetype = "host"
+
+o = s:option(Value, "port", translate("Port"))
+o.optional = true
+o.placeholder = 3493
+o.datatype = "port"
+
+o = s:option(Value, "powervalue", translate("Power value"))
+o.optional = false
+o.datatype = "uinteger"
+o.default = 1
+
+o = s:option(Value, "username", translate("Username"))
+o.optional = false
+
+o = s:option(Value, "password", translate("Password"))
+o.optional = false
+o.password = true
+
+return m
diff --git a/applications/luci-app-nut/luasrc/model/cbi/nut_server.lua b/applications/luci-app-nut/luasrc/model/cbi/nut_server.lua
new file mode 100644
index 000000000..dea793239
--- /dev/null
+++ b/applications/luci-app-nut/luasrc/model/cbi/nut_server.lua
@@ -0,0 +1,191 @@
+-- Copyright 2015 Daniel Dickinson <openwrt@daniel.thecshore.com>
+-- Licensed to the public under the Apache License 2.0.
+
+local m, s, o
+
+local nixio = require "nixio"
+require "luci.util"
+
+m = Map("nut_server", translate("Network UPS Tools (Server)"),
+	translate("Network UPS Tools Server Configuration"))
+
+s = m:section(TypedSection, "user", translate("NUT Users"))
+s.addremove = true
+s.anonymous = true
+
+o = s:option(Value, "username", translate("Username"))
+o.optional = false
+
+o = s:option(Value, "password", translate("Password"))
+o.password = true
+o.optional = false
+
+o = s:option(MultiValue, "actions", translate("Allowed actions"))
+o.widget = "select"
+o:value("set", translate("Set variables"))
+o:value("fsd", translate("Forced Shutdown"))
+o.optional = true
+
+o = s:option(DynamicList, "instcmd", translate("Instant commands"), translate("Use upscmd -l to see full list which the commands your UPS supports (requires upscmd package)"))
+o.optional = true
+
+o = s:option(ListValue, "upsmon", translate("Role"))
+o:value("slave", translate("Slave"))
+o:value("master", translate("Master"))
+o.optional = false
+
+s = m:section(TypedSection, "listen_address", translate("Addresses on which to listen"))
+s.addremove = true
+s.anonymous = true
+
+o = s:option(Value, "address", translate("IP Address"))
+o.optional = false
+o.datatype = "ipaddr"
+o.placeholder = "127.0.0.1"
+
+o = s:option(Value, "port", translate("Port"))
+o.optional = true
+o.datatype = "port"
+o.placeholder = "3493"
+
+s = m:section(NamedSection, "upsd", "upsd", translate("Global Settings"))
+s.addremove = true
+
+o = s:option(Value, "maxage", translate("Maximum Age of Data"), translate("Period after which data is considered stale"))
+o.datatype = "uinteger"
+o.optional = true
+o.placeholder = 15
+
+o = s:option(Value, "runas", translate("RunAs User"), translate("Drop privileges to this user"))
+o.optional = true
+o.placeholder = "nut"
+
+o = s:option(Value, "statepath", translate("Path to state file"))
+o.optional = true
+o.placeholder = "/var/run/nut"
+
+o = s:option(Value, "maxconn", translate("Maximum connections"))
+o.optional = true
+o.datatype = "uinteger"
+o.placeholder = 24
+
+if luci.util.checklib("/usr/sbin/upsd", "libssl.so") then
+	o = s:option(Value, "certfile", translate("Certificate file (SSL)"))
+	o.optional = true
+end
+
+s = m:section(TypedSection, "driver", translate("Driver Configuration"),
+	translate("The name of this section will be used as UPS name elsewhere"))
+s.addremove = true
+s.anonymous = false
+
+driverlist = nixio.fs.dir("/lib/nut")
+
+o = s:option(ListValue, "driver", translate("Driver"))
+for driver in driverlist do
+	o:value(driver)
+end
+o.optional = false
+
+o = s:option(Value, "port", translate("Port"))
+o.optional = false
+o.default = "auto"
+
+o = s:option(Value, "mfr", translate("Manufacturer (Display)"))
+o.optional = true
+
+o = s:option(Value, "model", translate("Model (Display)"))
+o.optional = true
+
+o = s:option(Value, "serial", translate("Serial Number"))
+o.optional = true
+
+o = s:option(Value, "sdtime", translate("Additional Shutdown Time(s)"))
+o.optional = true
+
+o = s:option(Value, "offdelay", translate("Off Delay(s)"), translate("Delay for kill power command"))
+o.optional = true
+o.placeholder = 20
+
+n = s:option(Value, "ondelay", translate("On Delay(s)"), translate("Delay to power on UPS if power returns after kill power"))
+n.optional = true
+n.placeholder = 30
+
+function o.validate(self, cfg, value)
+   if n:cfgvalue(cfg) <= value then
+	return nil
+   end
+end
+
+function n.validate(self, cfg, value)
+   if o:cfgvalue(cfg) >= value then
+	return nil
+   end
+end
+
+o = s:option(Value, "pollfreq", translate("Polling Frequency(s)"))
+o.optional = true
+o.datatype = "integer"
+o.placeholder = 30
+
+o = s:option(Value, "vendor", translate("Vendor (regex)"))
+o.optional = true
+
+o = s:option(Value, "product", translate("Product (regex)"))
+o.optional = true
+
+o = s:option(Value, "bus", translate("USB Bus(es) (regex)"))
+o.optional = true
+o.datatype = "uinteger"
+
+o = s:option(Flag, "interruptonly", translate("Interrupt Only"))
+o.optional = true
+o.default = false
+
+o = s:option(Value, "interruptsize", translate("Interrupt Size"), translate("Bytes to read from interrupt pipe"))
+o.optional = true
+o.datatype = "integer"
+
+o = s:option(Value, "maxreport", translate("Max USB HID Length Reported"), translate("Workaround for buggy firmware"))
+o.optional = true
+o.datatype = "integer"
+o.default = nil
+
+o = s:option(Value, "vendorid", translate("USB Vendor Id"))
+o.optional = true
+
+o = s:option(Value, "productid", translate("USB Product Id"))
+o.optional = true
+
+o = s:option(Value, "runas", translate("RunAs User"), translate("User as which to execute driver; requires device file accessed by driver be read-write for that user."))
+o.optional = true
+o.placeholder = "nut"
+
+o = s:option(Value, "community", translate("SNMP Community"))
+o.optional = true
+o.placeholder = "private"
+
+o = s:option(ListValue, "snmp_version", translate("SNMP version"))
+o.optional = true
+o:value("v1", translate("SNMPv1"))
+o:value("v2c", translate("SNMPv2c"))
+o:value("v3", translate("SNMPv3"))
+o:value("", "")
+o.default = ""
+
+o = s:option(Value, "snmp_retries", translate("SNMP retries"))
+o.optional = true
+o.datatype = "uinteger"
+
+o = s:option(Value, "snmp_timeout", translate("SNMP timeout(s)"))
+o.optional = true
+o.datatype = "uinteger"
+
+o = s:option(Flag, "notransferoids", translate("No low/high voltage transfer OIDs"))
+o.optional = true
+o.default = false
+
+o = s:option(Value, "other", translate("Additional Parameters"))
+o.optional = true
+
+return m