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Put the S3 secrets into files

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...but not everywhere, there remains some FIXMEs where ultimately the
secrets do get into the store.
This commit is contained in:
Nicolas Jeannerod 2025-02-14 19:46:12 +01:00
parent 8c5bf79ba2
commit 78a85b27ff
Signed by untrusted user: Niols
GPG key ID: 35DB9EC8886E1CB8
7 changed files with 96 additions and 62 deletions
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54
deployment/flake-part.nix
View file

@ -76,35 +76,41 @@ in
providers = { inherit (inputs.nixops4.modules.nixops4Provider) local; };
resources = {
fedi101 = makeProcolixVmResource 101 {
fediversity = {
enable = true;
domain = "fedi101.abundos.eu";
pixelfed = {
fedi101 = makeProcolixVmResource 101 (
{ pkgs, ... }:
{
fediversity = {
enable = true;
domain = "fedi101.abundos.eu";
pixelfed = {
enable = true;
## NOTE: Only ever used for testing anyway.
s3AccessKey = "GKb5615457d44214411e673b7b";
s3SecretKey = "5be6799a88ca9b9d813d1a806b64f15efa49482dbe15339ddfaf7f19cf434987";
## NOTE: Only ever used for testing anyway.
s3AccessKeyFile = pkgs.writeText "s3AccessKey" "GKb5615457d44214411e673b7b";
s3SecretKeyFile = pkgs.writeText "s3SecretKey" "5be6799a88ca9b9d813d1a806b64f15efa49482dbe15339ddfaf7f19cf434987";
};
};
};
};
}
);
fedi102 = makeProcolixVmResource 102 {
fediversity = {
enable = true;
domain = "fedi102.abundos.eu";
mastodon = {
fedi102 = makeProcolixVmResource 102 (
{ pkgs, ... }:
{
fediversity = {
enable = true;
domain = "fedi102.abundos.eu";
mastodon = {
enable = true;
## NOTE: Only ever used for testing anyway.
s3AccessKey = "GK3515373e4c851ebaad366558";
s3SecretKey = "7d37d093435a41f2aab8f13c19ba067d9776c90215f56614adad6ece597dbb34";
## NOTE: Only ever used for testing anyway.
s3AccessKeyFile = pkgs.writeText "s3AccessKey" "GK3515373e4c851ebaad366558";
s3SecretKeyFile = pkgs.writeText "s3SecretKey" "7d37d093435a41f2aab8f13c19ba067d9776c90215f56614adad6ece597dbb34";
};
temp.cores = 1; # FIXME: should come from NixOps4 eventually
};
temp.cores = 1; # FIXME: should come from NixOps4 eventually
};
};
}
);
fedi103 = makeProcolixVmResource 103 (
{ pkgs, ... }:
@ -117,8 +123,8 @@ in
## NOTE: Only ever used for testing anyway.
secretsFile = pkgs.writeText "secret" "574e093907d1157ac0f8e760a6deb1035402003af5763135bae9cbd6abe32b24";
s3AccessKey = "GK1f9feea9960f6f95ff404c9b";
s3SecretKey = "7295c4201966a02c2c3d25b5cea4a5ff782966a2415e3a196f91924631191395";
s3AccessKeyFile = pkgs.writeText "s3AccessKey" "GK1f9feea9960f6f95ff404c9b";
s3SecretKeyFile = pkgs.writeText "s3SecretKey" "7295c4201966a02c2c3d25b5cea4a5ff782966a2415e3a196f91924631191395";
};
};
}

6
services/fediversity/garage/default.nix
View file

@ -83,13 +83,13 @@ let
ensureKeyScriptFn =
key:
{
s3AccessKey,
s3SecretKey,
s3AccessKeyFile,
s3SecretKeyFile,
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 s3AccessKey} ${escapeShellArg s3SecretKey} || :
garage key import --yes -n ${escapeShellArg key} $(cat ${escapeShellArg s3AccessKeyFile}) $(cat ${escapeShellArg s3SecretKeyFile}) || :
${concatMapAttrs (ensureAccessScriptFn key) ensureAccess}
'';

7
services/fediversity/garage/options.nix
View file

@ -43,10 +43,11 @@ in
ensureKeys = mkOption {
type = types.attrsOf (
types.submodule {
# TODO: these should be managed as secrets, not in the nix store
options = {
s3AccessKey = mkOption { type = types.str; };
s3SecretKey = mkOption { type = types.str; };
s3AccessKeyFile = mkOption { type = types.path; };
s3SecretKeyFile = mkOption { type = types.path; };
# TODO: assert at least one of these is true
# NOTE: this currently needs to be done at the top level module
ensureAccess = mkOption {

55
services/fediversity/mastodon/default.nix
View file

@ -1,5 +1,15 @@
{ config, lib, ... }:
{
config,
lib,
pkgs,
...
}:
let
inherit (lib) readFile;
inherit (pkgs) writeText;
in
{
imports = [ ./options.nix ];
@ -20,7 +30,7 @@
ensureKeys = {
mastodon = {
inherit (config.fediversity.mastodon) s3AccessKey s3SecretKey;
inherit (config.fediversity.mastodon) s3AccessKeyFile s3SecretKeyFile;
ensureAccess = {
mastodon = {
read = true;
@ -32,26 +42,31 @@
};
};
services.mastodon = {
extraConfig = rec {
S3_ENABLED = "true";
# TODO: this shouldn't be hard-coded, it should come from the garage configuration
S3_ENDPOINT = config.fediversity.garage.api.url;
S3_REGION = "garage";
S3_BUCKET = "mastodon";
# use <S3_BUCKET>.<S3_ENDPOINT>
S3_OVERRIDE_PATH_STLE = "true";
AWS_ACCESS_KEY_ID = config.fediversity.mastodon.s3AccessKey;
AWS_SECRET_ACCESS_KEY = config.fediversity.mastodon.s3SecretKey;
S3_PROTOCOL = "http";
S3_ALIAS_HOST = "${S3_BUCKET}.${config.fediversity.garage.web.rootDomain}";
# SEE: the last section in https://docs.joinmastodon.org/admin/optional/object-storage/
# TODO: can we set up ACLs with garage?
S3_PERMISSION = "";
};
services.mastodon.extraConfig = rec {
S3_ENABLED = "true";
# TODO: this shouldn't be hard-coded, it should come from the garage configuration
S3_ENDPOINT = config.fediversity.garage.api.url;
S3_REGION = "garage";
S3_BUCKET = "mastodon";
# use <S3_BUCKET>.<S3_ENDPOINT>
S3_OVERRIDE_PATH_STLE = "true";
S3_PROTOCOL = "http";
S3_ALIAS_HOST = config.fediversity.garage.web.domainForBucket S3_BUCKET;
# SEE: the last section in https://docs.joinmastodon.org/admin/optional/object-storage/
# TODO: can we set up ACLs with garage?
S3_PERMISSION = "";
};
#### mastodon setup
## FIXME: secrets management; we should have a service that writes the
## `.env` files based on all the secrets that we need to put there.
services.mastodon.extraEnvFiles = [
(writeText "s3AccessKey" ''
AWS_ACCESS_KEY_ID=${readFile config.fediversity.mastodon.s3AccessKeyFile}
'')
(writeText "s3SecretKey" ''
AWS_SECRET_ACCESS_KEY=${readFile config.fediversity.mastodon.s3SecretKeyFile}
'')
];
# open up access to the mastodon web interface. 80 is necessary if only for ACME
networking.firewall.allowedTCPPorts = [

15
services/fediversity/peertube/default.nix
View file

@ -1,9 +1,13 @@
{ config, lib, ... }:
let
inherit (lib) mkIf readFile;
in
{
imports = [ ./options.nix ];
config = lib.mkIf (config.fediversity.enable && config.fediversity.peertube.enable) {
config = mkIf (config.fediversity.enable && config.fediversity.peertube.enable) {
networking.firewall.allowedTCPPorts = [
80
443
@ -39,7 +43,7 @@
ensureKeys = {
peertube = {
inherit (config.fediversity.peertube) s3AccessKey s3SecretKey;
inherit (config.fediversity.peertube) s3AccessKeyFile s3SecretKeyFile;
ensureAccess = {
peertube-videos = {
read = true;
@ -97,9 +101,12 @@
};
serviceEnvironmentFile = "/etc/peertube-env";
};
## FIXME: secrets management; we should have a service that writes the
## `.env` files based on all the secrets that we need to put there.
environment.etc.peertube-env.text = ''
AWS_ACCESS_KEY_ID=${config.fediversity.peertube.s3AccessKey}
AWS_SECRET_ACCESS_KEY=${config.fediversity.peertube.s3SecretKey}
AWS_ACCESS_KEY_ID=${readFile config.fediversity.peertube.s3AccessKeyFile}
AWS_SECRET_ACCESS_KEY=${readFile config.fediversity.peertube.s3SecretKeyFile}
'';
## Proxying through Nginx

11
services/fediversity/pixelfed/default.nix
View file

@ -6,7 +6,7 @@
}:
let
inherit (lib) mkIf;
inherit (lib) mkIf readFile;
in
{
@ -29,7 +29,7 @@ in
ensureKeys = {
pixelfed = {
inherit (config.fediversity.pixelfed) s3AccessKey s3SecretKey;
inherit (config.fediversity.pixelfed) s3AccessKeyFile s3SecretKeyFile;
ensureAccess = {
pixelfed = {
read = true;
@ -45,9 +45,12 @@ in
enable = true;
domain = config.fediversity.pixelfed.domain;
# TODO: secrets management!!!
## FIXME: secrets management; we should have a service that writes the
## `.env` file based on all the secrets that we need to put there.
secretFile = pkgs.writeText "secrets.env" ''
APP_KEY=adKK9EcY8Hcj3PLU7rzG9rJ6KKTOtYfA
AWS_ACCESS_KEY_ID=${readFile config.fediversity.pixelfed.s3AccessKeyFile}
AWS_SECRET_ACCESS_KEY=${readFile config.fediversity.pixelfed.s3SecretKeyFile}
'';
## Taeer feels like this way of configuring Nginx is odd; there should
@ -70,8 +73,6 @@ in
FILESYSTEM_CLOUD = "s3";
PF_ENABLE_CLOUD = true;
AWS_ACCESS_KEY_ID = config.fediversity.pixelfed.s3AccessKey;
AWS_SECRET_ACCESS_KEY = config.fediversity.pixelfed.s3SecretKey;
AWS_DEFAULT_REGION = "garage";
AWS_URL = config.fediversity.garage.web.urlForBucket "pixelfed";
AWS_BUCKET = "pixelfed";

10
services/fediversity/sharedOptions.nix
View file

@ -1,3 +1,6 @@
## NOTE: Not a module, but a helper function to create options for Fediversity
## services, as they tend to require the same ones.
{
config,
lib,
@ -13,8 +16,8 @@ in
{
enable = mkEnableOption "Enable a ${serviceDocName} server on the machine";
s3AccessKey = mkOption {
type = types.str;
s3AccessKeyFile = mkOption {
type = types.path;
description = ''
S3 access key for ${serviceDocName}'s bucket/s
@ -22,7 +25,8 @@ in
'';
};
s3SecretKey = mkOption {
s3SecretKeyFile = mkOption {
type = types.path;
description = ''
S3 secret key for ${serviceDocName}'s bucket/s