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https://github.com/minio/minio.git
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3455f786fa
This commit changes the config/IAM encryption process. Instead of encrypting config data (users, policies etc.) with the root credentials MinIO now encrypts this data with a KMS - if configured. Therefore, this PR moves the MinIO-KMS configuration (via env. variables) to a "top-level" configuration. The KMS configuration cannot be stored in the config file since it is used to decrypt the config file in the first place. As a consequence, this commit also removes support for Hashicorp Vault - which has been deprecated anyway. Signed-off-by: Andreas Auernhammer <aead@mail.de>
129 lines
4.0 KiB
Bash
Executable File
129 lines
4.0 KiB
Bash
Executable File
#!/bin/sh
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#
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# MinIO Cloud Storage, (C) 2019 MinIO, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# If command starts with an option, prepend minio.
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if [ "${1}" != "minio" ]; then
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if [ -n "${1}" ]; then
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set -- minio "$@"
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fi
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fi
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## Look for docker secrets at given absolute path or in default documented location.
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docker_secrets_env_old() {
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if [ -f "$MINIO_ACCESS_KEY_FILE" ]; then
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ACCESS_KEY_FILE="$MINIO_ACCESS_KEY_FILE"
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else
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ACCESS_KEY_FILE="/run/secrets/$MINIO_ACCESS_KEY_FILE"
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fi
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if [ -f "$MINIO_SECRET_KEY_FILE" ]; then
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SECRET_KEY_FILE="$MINIO_SECRET_KEY_FILE"
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else
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SECRET_KEY_FILE="/run/secrets/$MINIO_SECRET_KEY_FILE"
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fi
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if [ -f "$ACCESS_KEY_FILE" ] && [ -f "$SECRET_KEY_FILE" ]; then
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if [ -f "$ACCESS_KEY_FILE" ]; then
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MINIO_ACCESS_KEY="$(cat "$ACCESS_KEY_FILE")"
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export MINIO_ACCESS_KEY
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fi
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if [ -f "$SECRET_KEY_FILE" ]; then
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MINIO_SECRET_KEY="$(cat "$SECRET_KEY_FILE")"
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export MINIO_SECRET_KEY
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fi
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fi
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}
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docker_secrets_env() {
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if [ -f "$MINIO_ROOT_USER_FILE" ]; then
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ROOT_USER_FILE="$MINIO_ROOT_USER_FILE"
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else
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ROOT_USER_FILE="/run/secrets/$MINIO_ROOT_USER_FILE"
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fi
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if [ -f "$MINIO_ROOT_PASSWORD_FILE" ]; then
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SECRET_KEY_FILE="$MINIO_ROOT_PASSWORD_FILE"
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else
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SECRET_KEY_FILE="/run/secrets/$MINIO_ROOT_PASSWORD_FILE"
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fi
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if [ -f "$ROOT_USER_FILE" ] && [ -f "$SECRET_KEY_FILE" ]; then
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if [ -f "$ROOT_USER_FILE" ]; then
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MINIO_ROOT_USER="$(cat "$ROOT_USER_FILE")"
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export MINIO_ROOT_USER
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fi
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if [ -f "$SECRET_KEY_FILE" ]; then
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MINIO_ROOT_PASSWORD="$(cat "$SECRET_KEY_FILE")"
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export MINIO_ROOT_PASSWORD
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fi
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fi
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}
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## Set KMS_MASTER_KEY from docker secrets if provided
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docker_kms_encryption_env() {
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if [ -f "$MINIO_KMS_SECRET_KEY_FILE" ]; then
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KMS_SECRET_KEY_FILE="$MINIO_KMS_SECRET_KEY_FILE"
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else
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KMS_SECRET_KEY_FILE="/run/secrets/$MINIO_KMS_SECRET_KEY_FILE"
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fi
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if [ -f "$KMS_SECRET_KEY_FILE" ]; then
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MINIO_KMS_SECRET_KEY="$(cat "$KMS_SECRET_KEY_FILE")"
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export MINIO_KMS_SECRET_KEY
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fi
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}
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## Legacy
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## Set SSE_MASTER_KEY from docker secrets if provided
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docker_sse_encryption_env() {
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KMS_SECRET_KEY_FILE="/run/secrets/$MINIO_KMS_MASTER_KEY_FILE"
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if [ -f "$KMS_SECRET_KEY_FILE" ]; then
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MINIO_KMS_SECRET_KEY="$(cat "$KMS_SECRET_KEY_FILE")"
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export MINIO_KMS_SECRET_KEY
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fi
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}
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# su-exec to requested user, if service cannot run exec will fail.
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docker_switch_user() {
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if [ ! -z "${MINIO_USERNAME}" ] && [ ! -z "${MINIO_GROUPNAME}" ]; then
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if [ ! -z "${MINIO_UID}" ] && [ ! -z "${MINIO_GID}" ]; then
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groupadd -g "$MINIO_GID" "$MINIO_GROUPNAME" && \
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useradd -u "$MINIO_UID" -g "$MINIO_GROUPNAME" "$MINIO_USERNAME"
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else
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groupadd "$MINIO_GROUPNAME" && \
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useradd -g "$MINIO_GROUPNAME" "$MINIO_USERNAME"
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fi
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exec setpriv --reuid="${MINIO_USERNAME}" --regid="${MINIO_GROUPNAME}" --keep-groups "$@"
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else
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exec "$@"
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fi
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}
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## Set access env from secrets if necessary.
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docker_secrets_env_old
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## Set access env from secrets if necessary.
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docker_secrets_env
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## Set kms encryption from secrets if necessary.
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docker_kms_encryption_env
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## Set sse encryption from secrets if necessary. Legacy
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docker_sse_encryption_env
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## Switch to user if applicable.
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docker_switch_user "$@"
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