forked from Fediversity/Fediversity
224 lines
8.3 KiB
Nix
224 lines
8.3 KiB
Nix
let
|
|
# generate one using openssl (somehow)
|
|
# XXX: when importing, garage tells you importing is only meant for keys previously generated by garage. is it okay to generate them using openssl? it seems to work fine
|
|
snakeoil_key = {
|
|
id = "GK22a15201acacbd51cd43e327";
|
|
secret = "82b2b4cbef27bf8917b350d5b10a87c92fa9c8b13a415aeeea49726cf335d74e";
|
|
};
|
|
in
|
|
|
|
# TODO: expand to a multi-machine setup
|
|
{ config, lib, pkgs, ... }:
|
|
|
|
let
|
|
inherit (builtins) toString;
|
|
inherit (lib) types mkOption mkEnableOption optionalString concatStringsSep;
|
|
inherit (lib.strings) escapeShellArg;
|
|
cfg = config.services.garage;
|
|
fedicfg = config.fediversity.internal.garage;
|
|
concatMapAttrs = scriptFn: attrset: concatStringsSep "\n" (lib.mapAttrsToList scriptFn attrset);
|
|
ensureBucketScriptFn = bucket: { website, aliases, corsRules }:
|
|
let
|
|
bucketArg = escapeShellArg bucket;
|
|
corsRulesJSON = escapeShellArg (builtins.toJSON {
|
|
CORSRules = [{
|
|
AllowedHeaders = corsRules.allowedHeaders;
|
|
AllowedMethods = corsRules.allowedMethods;
|
|
AllowedOrigins = corsRules.allowedOrigins;
|
|
}];
|
|
});
|
|
in ''
|
|
# garage bucket info tells us if the bucket already exists
|
|
garage bucket info ${bucketArg} || garage bucket create ${bucketArg}
|
|
|
|
# TODO: should this --deny the website if `website` is false?
|
|
${optionalString website ''
|
|
garage bucket website --allow ${bucketArg}
|
|
''}
|
|
|
|
${concatStringsSep "\n" (map (alias: ''
|
|
garage bucket alias ${bucketArg} ${escapeShellArg alias}
|
|
'') aliases)}
|
|
|
|
${optionalString corsRules.enable ''
|
|
garage bucket allow --read --write --owner ${bucketArg} --key tmp
|
|
# TODO: endpoin-url should not be hard-coded
|
|
aws --region ${cfg.settings.s3_api.s3_region} --endpoint-url ${fedicfg.api.url} s3api put-bucket-cors --bucket ${bucketArg} --cors-configuration ${corsRulesJSON}
|
|
garage bucket deny --read --write --owner ${bucketArg} --key tmp
|
|
''}
|
|
'';
|
|
ensureBucketsScript = concatMapAttrs ensureBucketScriptFn cfg.ensureBuckets;
|
|
ensureAccessScriptFn = key: bucket: { read, write, owner }: ''
|
|
garage bucket allow ${optionalString read "--read"} ${optionalString write "--write"} ${optionalString owner "--owner"} \
|
|
${escapeShellArg bucket} --key ${escapeShellArg key}
|
|
'';
|
|
ensureKeyScriptFn = key: {id, secret, ensureAccess}: ''
|
|
## FIXME: Check whether the key exist and skip this step if that is the case. Get rid of this `|| :`
|
|
garage key import --yes -n ${escapeShellArg key} ${escapeShellArg id} ${escapeShellArg secret} || :
|
|
${concatMapAttrs (ensureAccessScriptFn key) ensureAccess}
|
|
'';
|
|
ensureKeysScript = concatMapAttrs ensureKeyScriptFn cfg.ensureKeys;
|
|
in
|
|
|
|
{
|
|
# add in options to ensure creation of buckets and keys
|
|
options = {
|
|
services.garage = {
|
|
ensureBuckets = mkOption {
|
|
type = types.attrsOf (types.submodule {
|
|
options = {
|
|
website = mkOption {
|
|
type = types.bool;
|
|
default = false;
|
|
};
|
|
# I think setting corsRules should allow another website to show images from your bucket
|
|
corsRules = {
|
|
enable = mkEnableOption "CORS Rules";
|
|
allowedHeaders = mkOption {
|
|
type = types.listOf types.str;
|
|
default = [];
|
|
};
|
|
allowedMethods = mkOption {
|
|
type = types.listOf types.str;
|
|
default = [];
|
|
};
|
|
allowedOrigins = mkOption {
|
|
type = types.listOf types.str;
|
|
default = [];
|
|
};
|
|
};
|
|
aliases = mkOption {
|
|
type = types.listOf types.str;
|
|
default = [];
|
|
};
|
|
};
|
|
});
|
|
default = {};
|
|
};
|
|
ensureKeys = mkOption {
|
|
type = types.attrsOf (types.submodule {
|
|
# TODO: these should be managed as secrets, not in the nix store
|
|
options = {
|
|
id = mkOption {
|
|
type = types.str;
|
|
};
|
|
secret = mkOption {
|
|
type = types.str;
|
|
};
|
|
# TODO: assert at least one of these is true
|
|
# NOTE: this currently needs to be done at the top level module
|
|
ensureAccess = mkOption {
|
|
type = types.attrsOf (types.submodule {
|
|
options = {
|
|
read = mkOption {
|
|
type = types.bool;
|
|
default = false;
|
|
};
|
|
write = mkOption {
|
|
type = types.bool;
|
|
default = false;
|
|
};
|
|
owner = mkOption {
|
|
type = types.bool;
|
|
default = false;
|
|
};
|
|
};
|
|
});
|
|
default = [];
|
|
};
|
|
};
|
|
});
|
|
default = {};
|
|
};
|
|
};
|
|
};
|
|
|
|
config = lib.mkIf config.fediversity.enable {
|
|
# virtualisation.diskSize = 2048;
|
|
# virtualisation.forwardPorts = [
|
|
# {
|
|
# from = "host";
|
|
# host.port = fedicfg.rpc.port;
|
|
# guest.port = fedicfg.rpc.port;
|
|
# }
|
|
# {
|
|
# from = "host";
|
|
# host.port = fedicfg.web.port;
|
|
# guest.port = fedicfg.web.port;
|
|
# }
|
|
# ];
|
|
|
|
environment.systemPackages = [ pkgs.minio-client pkgs.awscli ];
|
|
|
|
networking.firewall.allowedTCPPorts = [
|
|
fedicfg.rpc.port
|
|
];
|
|
services.garage = {
|
|
enable = true;
|
|
package = pkgs.garage_0_9;
|
|
settings = {
|
|
replication_mode = "none";
|
|
# TODO: use a secret file
|
|
rpc_secret = "d576c4478cc7d0d94cfc127138cbb82018b0155c037d1c827dfb6c36be5f6625";
|
|
# TODO: why does this have to be set? is there not a sensible default?
|
|
rpc_bind_addr = "[::]:${toString fedicfg.rpc.port}";
|
|
rpc_public_addr = "[::1]:${toString fedicfg.rpc.port}";
|
|
s3_api.api_bind_addr = "[::]:${toString fedicfg.api.port}";
|
|
s3_web.bind_addr = "[::]:${toString fedicfg.web.internalPort}";
|
|
s3_web.root_domain = ".${fedicfg.web.rootDomain}";
|
|
index = "index.html";
|
|
|
|
s3_api.s3_region = "garage";
|
|
s3_api.root_domain = ".${fedicfg.api.domain}";
|
|
};
|
|
};
|
|
services.nginx.virtualHosts."garagePortProxy" = {
|
|
serverName = "${fedicfg.web.urlFor "*"}"; # wildcard bucket *.foo.com
|
|
locations."/" = {
|
|
proxyPass = "localhost:3902";
|
|
extraConfig = ''
|
|
proxy_set_header Host $host;
|
|
'';
|
|
};
|
|
};
|
|
systemd.services.ensure-garage = {
|
|
after = [ "garage.service" ];
|
|
wantedBy = [ "garage.service" ];
|
|
serviceConfig = {
|
|
Type = "oneshot";
|
|
};
|
|
path = [ cfg.package pkgs.perl pkgs.awscli ];
|
|
script = ''
|
|
set -xeuo pipefail
|
|
|
|
# Give Garage time to start up by waiting until somethings speaks HTTP
|
|
# behind Garage's API URL.
|
|
until ${pkgs.curl}/bin/curl -sio /dev/null ${fedicfg.api.url}; do sleep 1; done
|
|
|
|
# XXX: this is very sensitive to being a single instance
|
|
# (doing the bare minimum to get garage up and running)
|
|
# also, it's crazy that we have to parse command output like this
|
|
# TODO: talk to garage maintainer about making this nicer to work with in Nix
|
|
# before I do that though, I should figure out how setting it up across multiple machines will work
|
|
GARAGE_ID=$(garage node id 2>/dev/null | perl -ne '/(.*)@.*/ && print $1')
|
|
garage layout assign -z g1 -c 1G $GARAGE_ID
|
|
LAYOUT_VER=$(garage layout show | perl -ne '/Current cluster layout version: (\d*)/ && print $1')
|
|
garage layout apply --version $((LAYOUT_VER + 1))
|
|
|
|
# XXX: this is a hack because we want to write to the buckets here but we're not guaranteed any access keys
|
|
# TODO: generate this key here rather than using a well-known key
|
|
# TODO: if the key already exists, we get an error; hacked with this `|| :` which needs to be removed
|
|
garage key import --yes -n tmp ${snakeoil_key.id} ${snakeoil_key.secret} || :
|
|
export AWS_ACCESS_KEY_ID=${snakeoil_key.id};
|
|
export AWS_SECRET_ACCESS_KEY=${snakeoil_key.secret};
|
|
|
|
${ensureBucketsScript}
|
|
${ensureKeysScript}
|
|
|
|
# garage doesn't like re-adding keys that once existed, so we can't delete / recreate it every time
|
|
# garage key delete ${snakeoil_key.id} --yes
|
|
'';
|
|
};
|
|
};
|
|
}
|