mirror of
https://github.com/ryantm/agenix.git
synced 2024-11-01 00:29:56 +03:00
contrib: use mkDerivation for agenix cli
* use mkDerivation * separate shell code in own file * use shellcheck to lint shell code * remove rage version check since rage is greater than 0.5.0 on all maintained nixpkgs
This commit is contained in:
parent
6053c559c5
commit
d0b75ddf9a
2 changed files with 189 additions and 177 deletions
204
pkgs/agenix.nix
204
pkgs/agenix.nix
|
@ -1,187 +1,37 @@
|
|||
{
|
||||
lib,
|
||||
writeShellScriptBin,
|
||||
runtimeShell,
|
||||
callPackage,
|
||||
stdenv,
|
||||
rage,
|
||||
gnused,
|
||||
nix,
|
||||
mktemp,
|
||||
diffutils,
|
||||
ageBin ? "${
|
||||
# we need at least rage 0.5.0 to support ssh keys
|
||||
if rage.version < "0.5.0"
|
||||
then callPackage ./rage.nix {}
|
||||
else rage
|
||||
}/bin/rage",
|
||||
}: let
|
||||
sedBin = "${gnused}/bin/sed";
|
||||
nixInstantiate = "${nix}/bin/nix-instantiate";
|
||||
mktempBin = "${mktemp}/bin/mktemp";
|
||||
diffBin = "${diffutils}/bin/diff";
|
||||
in
|
||||
lib.recursiveUpdate (writeShellScriptBin "agenix" ''
|
||||
set -Eeuo pipefail
|
||||
substituteAll,
|
||||
ageBin ? "${rage}/bin/rage",
|
||||
shellcheck,
|
||||
}:
|
||||
stdenv.mkDerivation rec {
|
||||
pname = "agenix";
|
||||
version = "0.13.0";
|
||||
src = substituteAll {
|
||||
inherit ageBin version;
|
||||
sedBin = "${gnused}/bin/sed";
|
||||
nixInstantiate = "${nix}/bin/nix-instantiate";
|
||||
mktempBin = "${mktemp}/bin/mktemp";
|
||||
diffBin = "${diffutils}/bin/diff";
|
||||
src = ./agenix.sh;
|
||||
};
|
||||
dontUnpack = true;
|
||||
|
||||
PACKAGE="agenix"
|
||||
doCheck = true;
|
||||
checkInputs = [shellcheck];
|
||||
postCheck = ''
|
||||
shellcheck $src
|
||||
'';
|
||||
|
||||
function show_help () {
|
||||
echo "$PACKAGE - edit and rekey age secret files"
|
||||
echo " "
|
||||
echo "$PACKAGE -e FILE [-i PRIVATE_KEY]"
|
||||
echo "$PACKAGE -r [-i PRIVATE_KEY]"
|
||||
echo ' '
|
||||
echo 'options:'
|
||||
echo '-h, --help show help'
|
||||
echo '-e, --edit FILE edits FILE using $EDITOR'
|
||||
echo '-r, --rekey re-encrypts all secrets with specified recipients'
|
||||
echo '-i, --identity identity to use when decrypting'
|
||||
echo '-v, --verbose verbose output'
|
||||
echo ' '
|
||||
echo 'FILE an age-encrypted file'
|
||||
echo ' '
|
||||
echo 'PRIVATE_KEY a path to a private SSH key used to decrypt file'
|
||||
echo ' '
|
||||
echo 'EDITOR environment variable of editor to use when editing FILE'
|
||||
echo ' '
|
||||
echo 'RULES environment variable with path to Nix file specifying recipient public keys.'
|
||||
echo "Defaults to './secrets.nix'"
|
||||
echo ' '
|
||||
echo "agenix version: 0.13.0"
|
||||
echo "age binary path: ${ageBin}"
|
||||
echo "age version: $(${ageBin} --version)"
|
||||
}
|
||||
installPhase = ''
|
||||
install -D $src ${placeholder "out"}/bin/agenix
|
||||
'';
|
||||
|
||||
test $# -eq 0 && (show_help && exit 1)
|
||||
|
||||
REKEY=0
|
||||
DEFAULT_DECRYPT=(--decrypt)
|
||||
|
||||
while test $# -gt 0; do
|
||||
case "$1" in
|
||||
-h|--help)
|
||||
show_help
|
||||
exit 0
|
||||
;;
|
||||
-e|--edit)
|
||||
shift
|
||||
if test $# -gt 0; then
|
||||
export FILE=$1
|
||||
else
|
||||
echo "no FILE specified"
|
||||
exit 1
|
||||
fi
|
||||
shift
|
||||
;;
|
||||
-i|--identity)
|
||||
shift
|
||||
if test $# -gt 0; then
|
||||
DEFAULT_DECRYPT+=(--identity "$1")
|
||||
else
|
||||
echo "no PRIVATE_KEY specified"
|
||||
exit 1
|
||||
fi
|
||||
shift
|
||||
;;
|
||||
-r|--rekey)
|
||||
shift
|
||||
REKEY=1
|
||||
;;
|
||||
-v|--verbose)
|
||||
shift
|
||||
set -x
|
||||
;;
|
||||
*)
|
||||
show_help
|
||||
exit 1
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
||||
RULES=''${RULES:-./secrets.nix}
|
||||
|
||||
function cleanup {
|
||||
if [ ! -z ''${CLEARTEXT_DIR+x} ]
|
||||
then
|
||||
rm -rf "$CLEARTEXT_DIR"
|
||||
fi
|
||||
if [ ! -z ''${REENCRYPTED_DIR+x} ]
|
||||
then
|
||||
rm -rf "$REENCRYPTED_DIR"
|
||||
fi
|
||||
}
|
||||
trap "cleanup" 0 2 3 15
|
||||
|
||||
function edit {
|
||||
FILE=$1
|
||||
KEYS=$((${nixInstantiate} --eval -E "(let rules = import $RULES; in builtins.concatStringsSep \"\n\" rules.\"$FILE\".publicKeys)" | ${sedBin} 's/"//g' | ${sedBin} 's/\\n/\n/g') | ${sedBin} '/^$/d' || exit 1)
|
||||
|
||||
if [ -z "$KEYS" ]
|
||||
then
|
||||
>&2 echo "There is no rule for $FILE in $RULES."
|
||||
exit 1
|
||||
fi
|
||||
|
||||
CLEARTEXT_DIR=$(${mktempBin} -d)
|
||||
CLEARTEXT_FILE="$CLEARTEXT_DIR/$(basename "$FILE")"
|
||||
|
||||
if [ -f "$FILE" ]
|
||||
then
|
||||
DECRYPT=("''${DEFAULT_DECRYPT[@]}")
|
||||
if [ -f "$HOME/.ssh/id_rsa" ]; then
|
||||
DECRYPT+=(--identity "$HOME/.ssh/id_rsa")
|
||||
fi
|
||||
if [ -f "$HOME/.ssh/id_ed25519" ]; then
|
||||
DECRYPT+=(--identity "$HOME/.ssh/id_ed25519")
|
||||
fi
|
||||
if [[ "''${DECRYPT[*]}" != *"--identity"* ]]; then
|
||||
echo "No identity found to decrypt $FILE. Try adding an SSH key at $HOME/.ssh/id_rsa or $HOME/.ssh/id_ed25519 or using the --identity flag to specify a file."
|
||||
exit 1
|
||||
fi
|
||||
DECRYPT+=(-o "$CLEARTEXT_FILE" "$FILE")
|
||||
${ageBin} "''${DECRYPT[@]}" || exit 1
|
||||
cp "$CLEARTEXT_FILE" "$CLEARTEXT_FILE.before"
|
||||
fi
|
||||
|
||||
$EDITOR "$CLEARTEXT_FILE"
|
||||
|
||||
if [ ! -f "$CLEARTEXT_FILE" ]
|
||||
then
|
||||
echo "$FILE wasn't created."
|
||||
return
|
||||
fi
|
||||
[ -f "$FILE" ] && [ "$EDITOR" != ":" ] && ${diffBin} "$CLEARTEXT_FILE.before" "$CLEARTEXT_FILE" 1>/dev/null && echo "$FILE wasn't changed, skipping re-encryption." && return
|
||||
|
||||
ENCRYPT=()
|
||||
while IFS= read -r key
|
||||
do
|
||||
ENCRYPT+=(--recipient "$key")
|
||||
done <<< "$KEYS"
|
||||
|
||||
REENCRYPTED_DIR=$(${mktempBin} -d)
|
||||
REENCRYPTED_FILE="$REENCRYPTED_DIR/$(basename "$FILE")"
|
||||
|
||||
ENCRYPT+=(-o "$REENCRYPTED_FILE")
|
||||
|
||||
${ageBin} "''${ENCRYPT[@]}" <"$CLEARTEXT_FILE" || exit 1
|
||||
|
||||
mv -f "$REENCRYPTED_FILE" "$1"
|
||||
}
|
||||
|
||||
function rekey {
|
||||
FILES=$((${nixInstantiate} --eval -E "(let rules = import $RULES; in builtins.concatStringsSep \"\n\" (builtins.attrNames rules))" | ${sedBin} 's/"//g' | ${sedBin} 's/\\n/\n/g') || exit 1)
|
||||
|
||||
for FILE in $FILES
|
||||
do
|
||||
echo "rekeying $FILE..."
|
||||
EDITOR=: edit "$FILE"
|
||||
cleanup
|
||||
done
|
||||
}
|
||||
|
||||
[ $REKEY -eq 1 ] && rekey && exit 0
|
||||
edit "$FILE" && cleanup && exit 0
|
||||
'')
|
||||
{
|
||||
meta.description = "age-encrypted secrets for NixOS";
|
||||
}
|
||||
meta.description = "age-encrypted secrets for NixOS";
|
||||
}
|
||||
|
|
162
pkgs/agenix.sh
Normal file
162
pkgs/agenix.sh
Normal file
|
@ -0,0 +1,162 @@
|
|||
#!/usr/bin/env bash
|
||||
set -Eeuo pipefail
|
||||
|
||||
PACKAGE="agenix"
|
||||
|
||||
function show_help () {
|
||||
echo "$PACKAGE - edit and rekey age secret files"
|
||||
echo " "
|
||||
echo "$PACKAGE -e FILE [-i PRIVATE_KEY]"
|
||||
echo "$PACKAGE -r [-i PRIVATE_KEY]"
|
||||
echo ' '
|
||||
echo 'options:'
|
||||
echo '-h, --help show help'
|
||||
# shellcheck disable=SC2016
|
||||
echo '-e, --edit FILE edits FILE using $EDITOR'
|
||||
echo '-r, --rekey re-encrypts all secrets with specified recipients'
|
||||
echo '-i, --identity identity to use when decrypting'
|
||||
echo '-v, --verbose verbose output'
|
||||
echo ' '
|
||||
echo 'FILE an age-encrypted file'
|
||||
echo ' '
|
||||
echo 'PRIVATE_KEY a path to a private SSH key used to decrypt file'
|
||||
echo ' '
|
||||
echo 'EDITOR environment variable of editor to use when editing FILE'
|
||||
echo ' '
|
||||
echo 'RULES environment variable with path to Nix file specifying recipient public keys.'
|
||||
echo "Defaults to './secrets.nix'"
|
||||
echo ' '
|
||||
echo "agenix version: @version@"
|
||||
echo "age binary path: @ageBin@"
|
||||
echo "age version: $(@ageBin@ --version)"
|
||||
}
|
||||
|
||||
test $# -eq 0 && (show_help && exit 1)
|
||||
|
||||
REKEY=0
|
||||
DEFAULT_DECRYPT=(--decrypt)
|
||||
|
||||
while test $# -gt 0; do
|
||||
case "$1" in
|
||||
-h|--help)
|
||||
show_help
|
||||
exit 0
|
||||
;;
|
||||
-e|--edit)
|
||||
shift
|
||||
if test $# -gt 0; then
|
||||
export FILE=$1
|
||||
else
|
||||
echo "no FILE specified"
|
||||
exit 1
|
||||
fi
|
||||
shift
|
||||
;;
|
||||
-i|--identity)
|
||||
shift
|
||||
if test $# -gt 0; then
|
||||
DEFAULT_DECRYPT+=(--identity "$1")
|
||||
else
|
||||
echo "no PRIVATE_KEY specified"
|
||||
exit 1
|
||||
fi
|
||||
shift
|
||||
;;
|
||||
-r|--rekey)
|
||||
shift
|
||||
REKEY=1
|
||||
;;
|
||||
-v|--verbose)
|
||||
shift
|
||||
set -x
|
||||
;;
|
||||
*)
|
||||
show_help
|
||||
exit 1
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
||||
RULES=${RULES:-./secrets.nix}
|
||||
|
||||
function cleanup {
|
||||
if [ -n "${CLEARTEXT_DIR+x}" ]
|
||||
then
|
||||
rm -rf "$CLEARTEXT_DIR"
|
||||
fi
|
||||
if [ -n "${REENCRYPTED_DIR+x}" ]
|
||||
then
|
||||
rm -rf "$REENCRYPTED_DIR"
|
||||
fi
|
||||
}
|
||||
trap "cleanup" 0 2 3 15
|
||||
|
||||
function edit {
|
||||
FILE=$1
|
||||
KEYS=$( (@nixInstantiate@ --eval -E "(let rules = import $RULES; in builtins.concatStringsSep \"\n\" rules.\"$FILE\".publicKeys)" | @sedBin@ 's/"//g' | @sedBin@ 's/\\n/\n/g') | @sedBin@ '/^$/d' || exit 1)
|
||||
|
||||
if [ -z "$KEYS" ]
|
||||
then
|
||||
>&2 echo "There is no rule for $FILE in $RULES."
|
||||
exit 1
|
||||
fi
|
||||
|
||||
CLEARTEXT_DIR=$(@mktempBin@ -d)
|
||||
CLEARTEXT_FILE="$CLEARTEXT_DIR/$(basename "$FILE")"
|
||||
|
||||
if [ -f "$FILE" ]
|
||||
then
|
||||
DECRYPT=("${DEFAULT_DECRYPT[@]}")
|
||||
if [ -f "$HOME/.ssh/id_rsa" ]; then
|
||||
DECRYPT+=(--identity "$HOME/.ssh/id_rsa")
|
||||
fi
|
||||
if [ -f "$HOME/.ssh/id_ed25519" ]; then
|
||||
DECRYPT+=(--identity "$HOME/.ssh/id_ed25519")
|
||||
fi
|
||||
if [[ "${DECRYPT[*]}" != *"--identity"* ]]; then
|
||||
echo "No identity found to decrypt $FILE. Try adding an SSH key at $HOME/.ssh/id_rsa or $HOME/.ssh/id_ed25519 or using the --identity flag to specify a file."
|
||||
exit 1
|
||||
fi
|
||||
DECRYPT+=(-o "$CLEARTEXT_FILE" "$FILE")
|
||||
@ageBin@ "${DECRYPT[@]}" || exit 1
|
||||
cp "$CLEARTEXT_FILE" "$CLEARTEXT_FILE.before"
|
||||
fi
|
||||
|
||||
$EDITOR "$CLEARTEXT_FILE"
|
||||
|
||||
if [ ! -f "$CLEARTEXT_FILE" ]
|
||||
then
|
||||
echo "$FILE wasn't created."
|
||||
return
|
||||
fi
|
||||
[ -f "$FILE" ] && [ "$EDITOR" != ":" ] && @diffBin@ "$CLEARTEXT_FILE.before" "$CLEARTEXT_FILE" 1>/dev/null && echo "$FILE wasn't changed, skipping re-encryption." && return
|
||||
|
||||
ENCRYPT=()
|
||||
while IFS= read -r key
|
||||
do
|
||||
ENCRYPT+=(--recipient "$key")
|
||||
done <<< "$KEYS"
|
||||
|
||||
REENCRYPTED_DIR=$(@mktempBin@ -d)
|
||||
REENCRYPTED_FILE="$REENCRYPTED_DIR/$(basename "$FILE")"
|
||||
|
||||
ENCRYPT+=(-o "$REENCRYPTED_FILE")
|
||||
|
||||
@ageBin@ "${ENCRYPT[@]}" <"$CLEARTEXT_FILE" || exit 1
|
||||
|
||||
mv -f "$REENCRYPTED_FILE" "$1"
|
||||
}
|
||||
|
||||
function rekey {
|
||||
FILES=$( (@nixInstantiate@ --eval -E "(let rules = import $RULES; in builtins.concatStringsSep \"\n\" (builtins.attrNames rules))" | @sedBin@ 's/"//g' | @sedBin@ 's/\\n/\n/g') || exit 1)
|
||||
|
||||
for FILE in $FILES
|
||||
do
|
||||
echo "rekeying $FILE..."
|
||||
EDITOR=: edit "$FILE"
|
||||
cleanup
|
||||
done
|
||||
}
|
||||
|
||||
[ $REKEY -eq 1 ] && rekey && exit 0
|
||||
edit "$FILE" && cleanup && exit 0
|
Loading…
Reference in a new issue