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Introduce installSecretFn script function to make script shorter.

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This commit is contained in:
Félinàun Chapeau 2023-12-11 17:22:02 +01:00
parent 417caa847f
commit c71f8f5cde
1 changed files with 51 additions and 31 deletions
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82
modules/age.nix
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@ -61,35 +61,45 @@ with lib; let
}
'';
installSecret = secretType: ''
${setTruePath secretType}
echo "decrypting '${secretType.file}' to '$_truePath'..."
TMP_FILE="$_truePath.tmp"
installSecretFn = ''
installSecret() {
symlink="$1"
name="$2"
path="$3"
file="$4"
mode="$5"
if "$symlink"; then
_truePath="${cfg.secretsMountPoint}/$_agenix_generation/$name"
else
_truePath="$path"
fi
echo "decrypting $file to '$_truePath'..."
TMP_FILE="$_truePath.tmp"
IDENTITIES=()
for identity in ${toString cfg.identityPaths}; do
test -r "$identity" || continue
test -s "$identity" || continue
IDENTITIES+=(-i)
IDENTITIES+=("$identity")
done
IDENTITIES=()
for identity in ${toString cfg.identityPaths}; do
test -r "$identity" || continue
test -s "$identity" || continue
IDENTITIES+=(-i)
IDENTITIES+=("$identity")
done
test "''${#IDENTITIES[@]}" -eq 0 && echo "[agenix] WARNING: no readable identities found!"
test "''${#IDENTITIES[@]}" -eq 0 && echo "[agenix] WARNING: no readable identities found!"
mkdir -p "$(dirname "$_truePath")"
[ "${secretType.path}" != "${cfg.secretsDir}/${secretType.name}" ] && mkdir -p "$(dirname "${secretType.path}")"
(
umask u=r,g=,o=
test -f "${secretType.file}" || echo '[agenix] WARNING: encrypted file ${secretType.file} does not exist!'
test -d "$(dirname "$TMP_FILE")" || echo "[agenix] WARNING: $(dirname "$TMP_FILE") does not exist!"
LANG=${config.i18n.defaultLocale or "C"} ${ageBin} --decrypt "''${IDENTITIES[@]}" -o "$TMP_FILE" "${secretType.file}"
)
chmod ${secretType.mode} "$TMP_FILE"
mv -f "$TMP_FILE" "$_truePath"
mkdir -p "$(dirname "$_truePath")"
[ "$path" != "${cfg.secretsDir}/$name" ] && mkdir -p "$(dirname "$path")"
(
umask u=r,g=,o=
test -f "$file" || echo '[agenix] WARNING: encrypted file '$file' does not exist!'
test -d "$(dirname "$TMP_FILE")" || echo "[agenix] WARNING: $(dirname "$TMP_FILE") does not exist!"
LANG=${config.i18n.defaultLocale or "C"} ${ageBin} --decrypt "''${IDENTITIES[@]}" -o "$TMP_FILE" "$file"
)
chmod "$mode" "$TMP_FILE"
mv -f "$TMP_FILE" "$_truePath"
${optionalString secretType.symlink ''
[ "${secretType.path}" != "${cfg.secretsDir}/${secretType.name}" ] && ln -sfn "${cfg.secretsDir}/${secretType.name}" "${secretType.path}"
''}
"$symlink" && ([ "$path" != "${cfg.secretsDir}/$name" ] && ln -sfn "${cfg.secretsDir}/$name" "$path")
true
}
'';
testIdentities =
@ -111,12 +121,22 @@ with lib; let
}
'';
installSecrets = builtins.concatStringsSep "\n" (
["echo '[agenix] decrypting secrets...'"]
++ testIdentities
++ (map installSecret (builtins.attrValues cfg.secrets))
++ [cleanupAndLink]
);
installSecrets = let
mkLine = secretType: ''
installSecret "${
if secretType.symlink
then "true"
else "false"
}" "${secretType.name}" "${secretType.path}" "${secretType.file}" "${secretType.mode}";
'';
in
builtins.concatStringsSep "\n" (
["echo '[agenix] decrypting secrets...'"]
++ testIdentities
++ [installSecretFn]
++ (map mkLine (builtins.attrValues cfg.secrets))
++ [cleanupAndLink]
);
chownSecret = secretType: ''
${setTruePath secretType}