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95 lines
2.8 KiB
Bash
Executable File
95 lines
2.8 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 "$@"
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fi
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fi
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## Look for docker secrets in default documented location.
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docker_secrets_env() {
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ACCESS_KEY_FILE="/run/secrets/$MINIO_ACCESS_KEY_FILE"
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SECRET_KEY_FILE="/run/secrets/$MINIO_SECRET_KEY_FILE"
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if [ -f "$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 "$SECRET_KEY_FILE")"
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export MINIO_SECRET_KEY
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fi
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fi
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}
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## Set KMS_MASTER_KEY from docker secrets if provided
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docker_kms_encryption_env() {
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KMS_MASTER_KEY_FILE="/run/secrets/$MINIO_KMS_MASTER_KEY_FILE"
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if [ -f "$KMS_MASTER_KEY_FILE" ]; then
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MINIO_KMS_MASTER_KEY="$(cat "$KMS_MASTER_KEY_FILE")"
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export MINIO_KMS_MASTER_KEY
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fi
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}
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## Legacy
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## Set SSE_MASTER_KEY from docker secrets if provided
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docker_sse_encryption_env() {
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SSE_MASTER_KEY_FILE="/run/secrets/$MINIO_SSE_MASTER_KEY_FILE"
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if [ -f "$SSE_MASTER_KEY_FILE" ]; then
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MINIO_SSE_MASTER_KEY="$(cat "$SSE_MASTER_KEY_FILE")"
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export MINIO_SSE_MASTER_KEY
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fi
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}
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# su-exec to requested user, if service cannot run exec will fail.
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docker_switch_user() {
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if [ ! -z "${MINIO_USERNAME}" ] && [ ! -z "${MINIO_GROUPNAME}" ]; then
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if [ ! -z "${MINIO_UID}" ] && [ ! -z "${MINIO_GID}" ]; then
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addgroup -S -g "$MINIO_GID" "$MINIO_GROUPNAME" && \
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adduser -S -u "$MINIO_UID" -G "$MINIO_GROUPNAME" "$MINIO_USERNAME"
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else
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addgroup -S "$MINIO_GROUPNAME" && \
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adduser -S -G "$MINIO_GROUPNAME" "$MINIO_USERNAME"
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fi
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exec su-exec "${MINIO_USERNAME}:${MINIO_GROUPNAME}" "$@"
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else
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# fallback
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exec "$@"
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fi
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}
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## Set access env from secrets if necessary.
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docker_secrets_env
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## Set kms encryption from secrets if necessary.
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docker_kms_encryption_env
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## Set sse encryption from secrets if necessary. Legacy
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docker_sse_encryption_env
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## Switch to user if applicable.
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docker_switch_user "$@"
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