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Author SHA1 Message Date
Daniel Barlow fbb2c04132 move module-based-service parameter types into service 
This is in preparation for writing something that extracts them
into documentation.

user configurations now call config.system.service.foo.build { ...params }
instead of config.system.service.foo

the parameter type definitions themselves now move into the
config stanza of the module referencing the service

new helper function  liminix.callService

The only service moved so far is dnsmasq
 2023-08-04 20:39:29 +01:00
Daniel Barlow 648ea5613b use module-based-service for hostapd 2023-07-16 17:51:50 +01:00
Daniel Barlow 669af24247 make a module for dnsmasq 2023-07-14 23:18:21 +01:00
Daniel Barlow df6cfe1cd5 move pppoe service derivation into ppp module dir 2023-07-14 21:35:59 +01:00
Daniel Barlow 682183a88d move typeChecked into pkgs.liminix.lib 2023-07-14 20:22:29 +01:00
Daniel Barlow 69e6eb5a89 accept attr args to pppoe service, and typecheck them 
We use (abuse, arguably) the nixos module system for typechecking.  Un
the plus side, it gives us documentation of the options and their
expected types. On the downside, the error message doesn't tell us
the file in which the error was encountered.

(This is subject to change, if I can find a better way)
 2023-07-14 16:53:36 +01:00
Daniel Barlow a19d12d6d7 fennelrepl add PREFIX/?/init.lua to lua load path 2023-07-08 23:08:25 +01:00
Daniel Barlow b5cd0cc2d5 fennelrepl: fix bug which introduced whitespace in package.path 2023-07-08 23:08:24 +01:00
Daniel Barlow 0c41e9305c extract service output watcher to fennel module 2023-07-08 23:08:24 +01:00
Daniel Barlow 708350711b allow running scripts using fennelrepl 
e.g.

FENNEL_PATH=pkgs/?/init.fnl\;pkgs/?.fnl nix-shell --run "fennelrepl ./examples/acquire-delegated-prefix.fnl /tmp/boo eth1"
 2023-07-08 23:08:24 +01:00
Daniel Barlow 2de4d7a8f9 fennel: extract some common functions into a shareable module 2023-07-05 20:23:27 +01:00
Daniel Barlow c3bb33c9ce add fennelrepl package 
Runs fennel using a Lua compiled with the same options as the
host system, and with packages set up so it can find all the local
Lua packages

To shorten the dev feedback loop further, allows FENNEL_PATH to be set
on the command line so you can point directly it at the Fennel sources
for some library you're working against instead of having to run
nix-build and compile them to Lua
 2023-07-04 22:58:51 +01:00
Daniel Barlow 24befe6bf7 install fennel from source as a package 
nixos lua packaging is giving me a headache
 2023-07-04 22:56:17 +01:00
Daniel Barlow 41687e916d rename luaSmall package to lua 2023-07-02 18:19:54 +01:00
Daniel Barlow 3900683413 simplify protocol for watchers of service output directories 
Previously: the service wrote a timestamp and the receiver
read and parsed it to see if there was new data

Now: the service writes and removes a .lock file to prevent
the receiver reading partial data. The receiver is responsible
for remembering the *previous* state and only updating if it's changed
 2023-07-02 12:09:13 +01:00
Daniel Barlow 9aa5ff6ed1 make a package for odhcpc-script 2023-06-30 20:02:03 +01:00
Daniel Barlow b6e72504d6 ipv6 default route 
needs to specify the ppp0 *peer* address not the local address
 2023-06-30 10:17:33 +01:00
Daniel Barlow c595ae0ccb firewallgen: make nft shebang work 2023-06-27 21:26:23 +01:00
Daniel Barlow 6101f3f3d8 load necessary kernel modules for firewall 2023-06-27 21:18:09 +01:00
Daniel Barlow 591bd78509 extract writeKconfig to its own file 2023-06-26 20:49:43 +01:00
Daniel Barlow 6bc45c2b55 preinit: null-terminate argv array for execve 2023-06-22 09:29:44 +01:00
Daniel Barlow d79a1e15bb get fennel from source instead of luarocks 2023-06-20 20:19:11 +01:00
Daniel Barlow a7e7146887 preinit: disable nolibc 
- it stopped working with 22.11->23.05
- linking statically against musl is about 17k, so
  this is costing us 11k or so
 2023-06-18 23:04:26 +01:00
Daniel Barlow d66f5901a2 fix nftables syntax 2023-06-18 22:18:44 +01:00
Daniel Barlow 80639a7256 add firewallgen package, which creates an nft script 2023-06-18 17:40:16 +01:00
Daniel Barlow 3f4dbfcfd3 ipv6 prefix delegation for rotuer 
much tidying needed, but it works
 2023-05-31 23:29:05 +01:00
Daniel Barlow fdffdbb22a add writeFennelScript function, make ifwait use it 2023-05-29 20:20:12 +01:00
Daniel Barlow 447f068569 partly support getting IPv6 addresses 
- gets interface id from ppp
- runs odhcpc to get RA and prefix delegation
- doesn't do anything useful with the data yet
 2023-05-24 23:01:50 +01:00
Daniel Barlow 339c2d9873 upgrade to ppp 2.5.0 2023-05-22 23:31:57 +01:00
Daniel Barlow 39b09df4d7 liminix-rebuild: test if nix-build succeeds 2023-05-20 22:30:22 +01:00
Daniel Barlow ea2f48cfc9 liminix-rebuild copy nix-store-paths to /persist 2023-05-20 21:55:37 +01:00
Daniel Barlow b0098f1c8e move min-list-garbage into min-collect-garbage pkg 
we don't want it in the same package as min-copy-closure as
that depends on bash
 2023-05-20 21:55:23 +01:00
Daniel Barlow 68ab6faeb3 write etc/nix-store-paths in systemConfiguration 2023-05-19 23:57:50 +01:00
Daniel Barlow 00aeb81811 min-list-garbage: check all store paths against file 
this is step 1 of min-collect-garbage, no point implementing
deletion ourselves when rm -r exists

(arguably no point in implementing any of it, but this is the bit we
can't do efficiently in bourne shell - it means we're reading the
store-paths list once instead of grepping it afresh for every entry in
/nix/store/)
 2023-05-19 23:49:11 +01:00
Daniel Barlow a809c28dde liminix-rebuild source /etc/profile to get PATH for reboot 2023-05-18 22:43:08 +01:00
Daniel Barlow 292a4c4d46 liminix-rebuild: put activate in /persist 2023-05-17 22:49:10 +01:00
Daniel Barlow b1f4db00a0 add liminix-rebuild command 2023-05-17 15:38:22 +01:00
Daniel Barlow ddd7b68b30 min-copy-closure: remove verbose output 2023-05-11 23:52:13 +01:00
Daniel Barlow cc6c790746 set up path for min-copy-closure 2023-05-07 22:51:10 +01:00
Daniel Barlow bcf5dac5d7 min-copy-closure: honour $SSH_COMMAND env var 2023-05-07 22:07:35 +01:00
Daniel Barlow 1c002c4065 min-copy-closure: improve output 2023-05-07 22:06:49 +01:00
Daniel Barlow 74f2aa6247 initramfs-peek: an initramfs image with a shell, for debugging 2023-05-06 23:03:51 +01:00
Daniel Barlow 888a0d5f74 mips-vm: allow env var to override la network interface 
this is handy if you want to connect to it from the host
for e.g. seeing if min-copy-closure works
 2023-05-06 23:01:56 +01:00
Daniel Barlow 30153a2d4e add min-copy-closure, a minimal nix-copy-closure substitute 2023-05-06 22:47:03 +01:00
Daniel Barlow 28264febdb add smaller-than-gnu "hello world" package 2023-04-23 20:56:20 +01:00
Daniel Barlow 65dfbad365 systemconfig: chown files if uid/gid > 0 2023-04-15 22:53:28 +01:00
Daniel Barlow 5dd0c6e3c0 rewrite preinit as very small C program 
By using the kernel "nolibc" header to avoid requiring a C library, we
can bring the initramfs size to around 4k

This does involve a tiny bit of inline mips assembly which I'm not
sure about. gcc seems unwilling to generate the code to load $gp at
function entry of main(), so we do it by hand - but I'd rather find
out why gcc doesn't.
 2023-04-15 18:27:39 +01:00
Daniel Barlow 11f2715d18 mips-vm: enlarge mtd 2023-04-15 17:22:35 +01:00
Daniel Barlow 1cc0b13b57 rewrite systemconfig in C and link statically 
systemconfig (a.k.a "activate") is run from the initramfs. Converting
it from a shell script to an executable means it doesn't depend on
there being a shell in the initramfs
 2023-04-15 17:21:27 +01:00
Daniel Barlow c744ef8c17 systemconfig: accept uid and gid options 
all we do with them is assert they're zero, to unbreak CI.
This code is getting rewritten anyway
 2023-04-14 23:19:56 +01:00