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module(..., package.seeall)
-- Load libraries
require("modelfunctions")
require("posix")
require("fs")
require("format")
-- Set variables
local configfile = "/etc/rrdtool/acf-rrdtool.conf"
local databases = "/etc/rrdtool/databases"
local processname = "rrdtool"
local packagename = "rrdtool"
local header = "rrdtool"
local path="PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin "
-- ################################################################################
-- LOCAL FUNCTIONS
-- Function to recursively insert all filenames in a dir into an array
local function recursedir(path, filearray)
filearray = filearray or {}
local k,v
for k,v in pairs(posix.dir(path) or {}) do
-- Ignore files that begins with a '.'
if not string.match(v, "^%.") then
local f = path .. "/" .. v
-- If subfolder exists, list files in this subfolder
if (posix.stat(f).type == "directory") then
recursedir(f, filearray)
else
table.insert(filearray, f)
end
end
end
return filearray
end
local function file_info ( path )
local st = fs.stat(path)
local size = st.size or "0"
local lastmod = st.mtime or "---"
return lastmod,size
end
local function list_files ()
local listed_files = {}
local open_files = {}
local files = {}
local k,v
-- Generate a single table with all the files
for k,v in pairs{databases} do
recursedir(v, files)
end
-- Loop through each file and present its info
for k,v in pairs(files) do
-- Get info on this specific file and put it in a table
local lastmod,size = file_info(v)
local filename = cfe({ value=v, label="File name" })
local filesize = cfe({ value=size, label="File size" })
local mtime = cfe({ value=lastmod, label="File date" })
table.insert ( listed_files , cfe({ type="group", value={filename=filename, filesize=filesize, mtime=mtime, label="File details"} }) )
end
table.sort(listed_files, function (a,b) return (a.value.filename.value < b.value.filename.value) end )
return cfe({ type="list", value=listed_files, label="Log files" })
end
local function validfilename(path)
local files = list_files()
for k,v in pairs(files.value) do
if (v["value"]["filename"]["value"] == path) then
return true, tostring(v["value"]["filename"]["value"])
end
end
return false, "Not a valid filename!"
end
-- ################################################################################
-- PUBLIC FUNCTIONS
function startstop_service(action)
return modelfunctions.startstop_service(processname, action)
end
function getstatus()
return modelfunctions.getstatus(processname, packagename, header .. " status")
end
function getconfigfile()
return modelfunctions.getfiledetails(configfile)
end
function setconfigfile(filedetails)
return modelfunctions.setfiledetails(filedetails, {configfile})
end
function getrrdlist()
return list_files()
end
function createnewrrd()
local newdb = {}
newdb.name = cfe({label="Name",value="mydb.rrd",descr="The name of the RRD you want to create. RRD files should end with the extension .rrd. However, RRDtool will accept any filename."})
newdb.start = cfe({label="Start",value="",descr="Specifies the time in seconds since 1970-01-01 UTC when the first value should be added to the RRD. RRDtool will not accept any data timed before or at the time specified."})
newdb.step = cfe({label="Step",value="",descr="Specifies the base interval in seconds with which data will be fed into the RRD."})
newdb.ds = cfe({label="Data stores",value="",descr="DS:ds-name:GAUGE | COUNTER | DERIVE | ABSOLUTE:heartbeat:min:max \
DS:ds-name:COMPUTE:rpn-expression"})
newdb.rra = cfe({label="Round Robin Archive",value="",descr="RRA:AVERAGE | MIN | MAX | LAST:xff:steps:rows"})
return {value=newdb}
end
function remove_file(self, path, userid)
local success = "Failed to delete file"
local errtxt
if not (fs.is_file(path)) then
errtxt = "File doesn't exist!"
elseif (validfilename(path)) then
os.remove(path)
success = "File Deleted"
else
errtxt = "Not a valid filename!"
end
return cfe({ value=success, label="Delete config file result", errtxt=errtxt })
end
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