Merge pull request 'clan.core.state: wrap all commands in shell scripts' (#1639) from refactor-state into main
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This commit is contained in:
commit
b3123b150f
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@ -70,15 +70,7 @@
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};
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clan.core.facts.secretStore = "vm";
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environment.systemPackages = [
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self.packages.${pkgs.system}.clan-cli
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(pkgs.writeShellScriptBin "pre-restore-command" ''
|
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touch /var/test-service/pre-restore-command
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'')
|
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(pkgs.writeShellScriptBin "post-restore-command" ''
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touch /var/test-service/post-restore-command
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'')
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];
|
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environment.systemPackages = [ self.packages.${pkgs.system}.clan-cli ];
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environment.etc.install-closure.source = "${closureInfo}/store-paths";
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nix.settings = {
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substituters = lib.mkForce [ ];
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@ -90,11 +82,15 @@
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clan.core.state.test-backups.folders = [ "/var/test-backups" ];
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clan.core.state.test-service = {
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preBackupCommand = ''
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preBackupScript = ''
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touch /var/test-service/pre-backup-command
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'';
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preRestoreCommand = "pre-restore-command";
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postRestoreCommand = "post-restore-command";
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preRestoreScript = ''
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touch /var/test-service/pre-restore-command
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'';
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postRestoreScript = ''
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touch /var/test-service/post-restore-command
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'';
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folders = [ "/var/test-service" ];
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};
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clan.borgbackup.destinations.test-backup.repo = "borg@machine:.";
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|
|
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@ -50,7 +50,7 @@
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|||
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machine.succeed("""
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set -x
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${nodes.machine.clan.core.state.postgresql-test.postRestoreCommand}
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${nodes.machine.clan.core.state.test.postRestoreCommand}
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""")
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machine.succeed("runuser -u postgres -- /run/current-system/sw/bin/psql -l >&2")
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machine.succeed("runuser -u postgres -- /run/current-system/sw/bin/psql -d test -c '\dt' >&2")
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@ -66,7 +66,7 @@
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# check if restore works if the database does not exist
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machine.succeed("runuser -u postgres -- dropdb test")
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machine.succeed("${nodes.machine.clanCore.state.postgresql-test.postRestoreCommand}")
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machine.succeed("${nodes.machine.clan.core.state.test.postRestoreCommand}")
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machine.succeed("runuser -u postgres -- /run/current-system/sw/bin/psql -d test -c '\dt' >&2")
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'';
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})
|
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|
|
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@ -13,14 +13,14 @@ let
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state:
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lib.optionalString (state.preBackupCommand != null) ''
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echo "Running pre-backup command for ${state.name}"
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if ! ( ${state.preBackupCommand} ) then
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if ! /run/current-system/sw/bin/${state.preBackupCommand}; then
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preCommandErrors["${state.name}"]=1
|
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fi
|
||||
''
|
||||
) (lib.attrValues config.clan.core.state)}
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if [[ ''${#preCommandErrors[@]} -gt 0 ]]; then
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||||
echo "PreBackupCommand failed for the following services:"
|
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echo "pre-backup commands failed for the following services:"
|
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for state in "''${!preCommandErrors[@]}"; do
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echo " $state"
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done
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|
|
|
@ -125,7 +125,6 @@ in
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|||
}
|
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${lib.concatMapStringsSep "\n" (target: ''
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${mountHook target}
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set -x
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echo "Creating backup '${target.name}'"
|
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${lib.optionalString (target.preBackupHook != null) ''
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|
@ -139,7 +138,7 @@ in
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state:
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lib.optionalString (state.preBackupCommand != null) ''
|
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echo "Running pre-backup command for ${state.name}"
|
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if ! ( ${state.preBackupCommand} ) then
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if ! /run/current-system/sw/bin/${state.preBackupCommand}; then
|
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preCommandErrors["${state.name}"]=1
|
||||
fi
|
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''
|
||||
|
|
|
@ -185,7 +185,7 @@ in
|
|||
+ lib.concatMapStringsSep "\n" (user: ''
|
||||
# only create user if it doesn't exist
|
||||
/run/current-system/sw/bin/matrix-synapse-register_new_matrix_user --exists-ok --password-file ${
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config.clanCore.facts.services."matrix-password-${user.name}".secret."matrix-password-${user.name}".path
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config.clan.core.facts.services."matrix-password-${user.name}".secret."matrix-password-${user.name}".path
|
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} --user "${user.name}" ${if user.admin then "--admin" else "--no-admin"}
|
||||
'') (lib.attrValues cfg.users);
|
||||
in
|
||||
|
|
|
@ -14,7 +14,7 @@ let
|
|||
in
|
||||
{
|
||||
folders = [ folder ];
|
||||
preBackupCommand = ''
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||||
preBackupScript = ''
|
||||
export PATH=${
|
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lib.makeBinPath [
|
||||
config.services.postgresql.package
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|
@ -32,7 +32,41 @@ let
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|||
runuser -u postgres -- pg_dump ${compression} --dbname=${db.name} -Fc -c > "${current}.tmp"
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mv "${current}.tmp" ${current}
|
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'';
|
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postRestoreCommand = "postgres-db-restore-command-${db.name}";
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postRestoreScript = ''
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||||
export PATH=${
|
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lib.makeBinPath [
|
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config.services.postgresql.package
|
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config.systemd.package
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pkgs.coreutils
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pkgs.util-linux
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pkgs.zstd
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pkgs.gnugrep
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]
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||||
}
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while [[ "$(systemctl is-active postgresql)" == activating ]]; do
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sleep 1
|
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done
|
||||
echo "Waiting for postgres to be ready..."
|
||||
while ! runuser -u postgres -- psql --port=${builtins.toString config.services.postgresql.settings.port} -d postgres -c "" ; do
|
||||
if ! systemctl is-active postgresql; then exit 1; fi
|
||||
sleep 0.1
|
||||
done
|
||||
|
||||
if [[ -e "${current}" ]]; then
|
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(
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systemctl stop ${lib.concatStringsSep " " db.restore.stopOnRestore}
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trap "systemctl start ${lib.concatStringsSep " " db.restore.stopOnRestore}" EXIT
|
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|
||||
mkdir -p "${folder}"
|
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if runuser -u postgres -- psql -d postgres -c "SELECT 1 FROM pg_database WHERE datname = '${db.name}'" | grep -q 1; then
|
||||
runuser -u postgres -- dropdb "${db.name}"
|
||||
fi
|
||||
runuser -u postgres -- pg_restore -C -d postgres "${current}"
|
||||
)
|
||||
else
|
||||
echo No database backup found, skipping restore
|
||||
fi
|
||||
'';
|
||||
};
|
||||
|
||||
createDatabase = db: ''
|
||||
|
@ -66,6 +100,12 @@ in
|
|||
name = lib.mkOption {
|
||||
type = lib.types.str;
|
||||
default = name;
|
||||
description = "Database name.";
|
||||
};
|
||||
service = lib.mkOption {
|
||||
type = lib.types.str;
|
||||
default = name;
|
||||
description = "Service name that we associate with the database.";
|
||||
};
|
||||
# set to false, in case the upstream module uses ensureDatabase option
|
||||
create.enable = lib.mkOption {
|
||||
|
@ -87,7 +127,7 @@ in
|
|||
restore.stopOnRestore = lib.mkOption {
|
||||
type = lib.types.listOf lib.types.str;
|
||||
default = [ ];
|
||||
description = "List of services to stop before restoring the database.";
|
||||
description = "List of systemd services to stop before restoring the database.";
|
||||
};
|
||||
};
|
||||
}
|
||||
|
@ -129,7 +169,7 @@ in
|
|||
'';
|
||||
|
||||
clan.core.state = lib.mapAttrs' (
|
||||
_: db: lib.nameValuePair "postgresql-${db.name}" (createDatatbaseState db)
|
||||
_: db: lib.nameValuePair db.service (createDatatbaseState db)
|
||||
) config.clan.postgresql.databases;
|
||||
|
||||
environment.systemPackages = builtins.map (
|
||||
|
|
|
@ -1,18 +1,20 @@
|
|||
{ lib, ... }:
|
||||
{
|
||||
# defaults
|
||||
config.clan.core.state.HOME.folders = [ "/home" ];
|
||||
|
||||
lib,
|
||||
pkgs,
|
||||
config,
|
||||
...
|
||||
}:
|
||||
{
|
||||
# interface
|
||||
options.clan.core.state = lib.mkOption {
|
||||
default = { };
|
||||
type = lib.types.attrsOf (
|
||||
lib.types.submodule (
|
||||
{ name, ... }:
|
||||
{ name, config, ... }:
|
||||
{
|
||||
options = {
|
||||
name = lib.mkOption {
|
||||
type = lib.types.str;
|
||||
type = lib.types.strMatching "^[a-zA-Z0-9_-]+$";
|
||||
default = name;
|
||||
description = ''
|
||||
Name of the state
|
||||
|
@ -24,8 +26,9 @@
|
|||
Folder where state resides in
|
||||
'';
|
||||
};
|
||||
preBackupCommand = lib.mkOption {
|
||||
type = lib.types.nullOr lib.types.str;
|
||||
|
||||
preBackupScript = lib.mkOption {
|
||||
type = lib.types.nullOr lib.types.lines;
|
||||
default = null;
|
||||
description = ''
|
||||
script to run before backing up the state dir
|
||||
|
@ -34,6 +37,15 @@
|
|||
'';
|
||||
};
|
||||
|
||||
preBackupCommand = lib.mkOption {
|
||||
type = lib.types.nullOr lib.types.str;
|
||||
default = if config.preBackupScript == null then null else "pre-backup-${name}";
|
||||
readOnly = true;
|
||||
description = ''
|
||||
Use this command in backup providers. It contains the content of preBackupScript.
|
||||
'';
|
||||
};
|
||||
|
||||
# TODO: implement this
|
||||
#stopOnRestore = lib.mkOption {
|
||||
# type = lib.types.listOf lib.types.str;
|
||||
|
@ -45,8 +57,8 @@
|
|||
# '';
|
||||
#};
|
||||
|
||||
preRestoreCommand = lib.mkOption {
|
||||
type = lib.types.nullOr lib.types.str;
|
||||
preRestoreScript = lib.mkOption {
|
||||
type = lib.types.nullOr lib.types.lines;
|
||||
default = null;
|
||||
description = ''
|
||||
script to run before restoring the state dir from a backup
|
||||
|
@ -55,8 +67,18 @@
|
|||
'';
|
||||
};
|
||||
|
||||
postRestoreCommand = lib.mkOption {
|
||||
preRestoreCommand = lib.mkOption {
|
||||
type = lib.types.nullOr lib.types.str;
|
||||
default = if config.preRestoreScript == null then null else "pre-restore-${name}";
|
||||
readOnly = true;
|
||||
description = ''
|
||||
This command can be called to restore the state dir from a backup.
|
||||
It contains the content of preRestoreScript.
|
||||
'';
|
||||
};
|
||||
|
||||
postRestoreScript = lib.mkOption {
|
||||
type = lib.types.nullOr lib.types.lines;
|
||||
default = null;
|
||||
description = ''
|
||||
script to restore the service after the state dir was restored from a backup
|
||||
|
@ -64,9 +86,47 @@
|
|||
Utilize this to start services which were previously stopped
|
||||
'';
|
||||
};
|
||||
|
||||
postRestoreCommand = lib.mkOption {
|
||||
type = lib.types.nullOr lib.types.str;
|
||||
default = if config.postRestoreScript == null then null else "post-restore-${name}";
|
||||
readOnly = true;
|
||||
description = ''
|
||||
This command is called after a restore of the state dir from a backup.
|
||||
|
||||
It contains the content of postRestoreScript.
|
||||
'';
|
||||
};
|
||||
};
|
||||
}
|
||||
)
|
||||
);
|
||||
};
|
||||
|
||||
# defaults
|
||||
config.clan.core.state.HOME.folders = [ "/home" ];
|
||||
config.environment.systemPackages = lib.optional (config.clan.core.state != { }) (
|
||||
pkgs.runCommand "state-commands" { } ''
|
||||
${builtins.concatStringsSep "\n" (
|
||||
builtins.map (state: ''
|
||||
writeShellScript() {
|
||||
local name=$1
|
||||
local content=$2
|
||||
printf "#!${pkgs.runtimeShell}\nset -eu -o pipefail\n%s" "$content" > $out/bin/$name
|
||||
}
|
||||
mkdir -p $out/bin/
|
||||
${lib.optionalString (state.preBackupCommand != null) ''
|
||||
writeShellScript ${lib.escapeShellArg state.preBackupCommand} ${lib.escapeShellArg state.preBackupScript}
|
||||
''}
|
||||
${lib.optionalString (state.preRestoreCommand != null) ''
|
||||
writeShellScript ${lib.escapeShellArg state.preRestoreCommand} ${lib.escapeShellArg state.preRestoreScript}
|
||||
''}
|
||||
${lib.optionalString (state.postRestoreCommand != null) ''
|
||||
writeShellScript ${lib.escapeShellArg state.postRestoreCommand} ${lib.escapeShellArg state.postRestoreScript}
|
||||
''}
|
||||
find $out/bin/ -type f -print0 | xargs --no-run-if-empty -0 chmod 755
|
||||
'') (builtins.attrValues config.clan.core.state)
|
||||
)}
|
||||
''
|
||||
);
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue
Block a user