Add experimental s3ql mounter

cmd/s3driver/Dockerfile.s3ql

@@ -0,0 +1,23 @@
+FROM debian:stretch
+LABEL maintainers="Cyrill Troxler <cyrilltroxler@gmail.com>"
+LABEL description="s3 fuse csi plugin"
+ARG S3QL_VERSION=release-2.28
+
+RUN apt-get update && \
+    apt-get install -y \
+      s3fs wget python3 python3-setuptools \
+      python3-dev python3-pip python3-llfuse pkg-config \
+      sqlite3 libsqlite3-dev python3-apsw cython && \
+    rm -rf /var/lib/apt/lists/*
+
+RUN pip3 install defusedxml dugong requests pycrypto
+
+WORKDIR /usr/src
+RUN wget -q https://github.com/s3ql/s3ql/archive/${S3QL_VERSION}.tar.gz
+RUN tar -xzf ${S3QL_VERSION}.tar.gz
+WORKDIR /usr/src/s3ql-${S3QL_VERSION}
+RUN python3 setup.py build_cython build_ext --inplace
+RUN python3 setup.py install
+
+COPY ./_output/s3driver /s3driver
+ENTRYPOINT ["/s3driver"]

cmd/s3driver/main.go

@@ -35,6 +35,7 @@ var (
 	secretAccessKey = flag.String("secret-access-key", "", "S3 Secret Access Key to use")
 	s3endpoint      = flag.String("s3-endpoint", "", "S3 Endpoint URL to use")
 	region          = flag.String("region", "", "S3 Region to use")
+	encryptionKey   = flag.String("encryption-key", "", "Encryption key for file system (only used with s3ql)")
 )
 
 func main() {
@@ -45,6 +46,7 @@ func main() {
 		SecretAccessKey: *secretAccessKey,
 		Endpoint:        *s3endpoint,
 		Region:          *region,
+		EncryptionKey:   *encryptionKey,
 	}
 
 	driver, err := s3.NewS3(*nodeID, *endpoint, cfg)