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simplify partman significantly, only attempt to mount filesystems according to the partition's type

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Izaya 2023-10-07 08:28:41 +10:00
parent ce02798aeb
commit fc6f168bbd
1 changed files with 30 additions and 35 deletions
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65
partman/service/partman.lua
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@ -1,59 +1,54 @@
local diskpart = require "diskpart"
local vcomponent = require "vcomponent"
local partman = {}
partman.fstypes = {"rtfs"}
local run = true
local function attachPartition(addr)
syslog("Finding filesystem that will mount "..addr)
for _,n in ipairs(partman.fstypes) do
local w,l = pcall(require,string.format("fs.%s",n))
if w then
syslog("Trying "..n)
local w, f = pcall(l.mount,addr)
if w then
syslog(n.." successful!")
vcomponent.register(string.format("%s/%s",addr,n), "filesystem",f)
break
local hooks = {}
function hooks.component_added(_,a,t)
if t ~= "drive" then return end
for k,v in ipairs(diskpart.getPartitions(a)) do
if v[4] > 0 then
syslog(string.format("Registering vcomponent for partition %s/%i",a,k))
vcomponent.register(string.format("%s/%i",a,k), "partition", diskpart.proxyPartition(a, k))
local w,l = pcall(require,string.format("fs.%s",v[2]))
if w and l and l.mount then
syslog(string.format("Trying to mount %s/%i as %s", a, k, v[2]))
local w, f = pcall(l.mount, string.format("%s/%i",a,k))
if w then
vcomponent.register(string.format("%s/%i/%s",a,k,v[2]), f.type or "filesystem", f)
end
end
end
end
end
local function attachDrive(addr)
for k,v in ipairs(diskpart.getPartitions(addr)) do
if v[4] > 0 then
syslog(string.format("Registering vcomponent for partition %s/%i",addr,k))
vcomponent.register(string.format("%s/%i",addr,k), "partition", diskpart.proxyPartition(addr, k))
syslog("Attempting to mount a filesystem...")
attachPartition(string.format("%s/%i",addr,k))
function hooks.component_removed(_,a,t)
if t ~= "drive" then return end
for ca,t in component.list() do
if (t == "partition" or t == "filesystem") and ca:sub(1,a:len()) == a then
vcomponent.unregister(ca)
end
end
end
function partman.start()
run = true
os.spawn(function()
for a,_ in component.list("drive") do
attachDrive(a)
return os.spawn(function()
for a,t in component.list("drive") do
hooks.component_added(nil, a, t)
end
while run do
while true do
local tE = {coroutine.yield()}
if tE[1] == "component_added" and tE[3] == "drive" then
attachDrive(tE[2])
elseif tE[1] == "component_removed" and tE[3] == "drive" then
for a,t in component.list() do
if (t == "partition" or t == "filesystem") and a:sub(1,tE[2]:len()) == tE[2] then
syslog("Removing "..t.." vcomponent "..a)
vcomponent.unregister(a)
end
end
if tE[1] and hooks[tE[1]] then
hooks[tE[1]](table.unpack(tE))
end
end
end, "partman")
end
function partman.stop()
run = false
for a,t in component.list("drive") do
hooks.component_removed(nil, a, t)
end
end
return partman