Docker image (#22)

- Config file now is inside a config folder by default, to make easier
docker integration.
- File not found errors now are debug log outputs.
- Added dependabot integration for github action versions.

Signed-off-by: Antonio Navarro Perez <antnavper@gmail.com>

.github/dependabot.yml

@@ -0,0 +1,7 @@
+version: 2
+updates:
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/workflows/docker.yaml

@@ -0,0 +1,42 @@
+name: ci
+
+on:
+  push:
+    branches: 
+      - master
+    tags:
+      - '*'
+
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Docker meta
+        id: docker_meta
+        uses: crazy-max/ghaction-docker-meta@v1
+        with:
+          images: distribyted/distribyted
+          tag-sha: true
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      
+      - name: Login to DockerHub
+        uses: docker/login-action@v1 
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      
+      - name: Build and push
+        id: docker_build
+        uses: docker/build-push-action@v2
+        with:
+          push: true
+          tags: ${{ steps.docker_meta.outputs.tags }}
+          labels: ${{ steps.docker_meta.outputs.labels }}

Dockerfile

@@ -0,0 +1,33 @@
+#===============
+# Stage 1: Build
+#===============
+
+FROM golang:1.15-alpine as builder
+
+ENV BIN_REPO=github.com/distribyted/distribyted
+ENV BIN_PATH=$GOPATH/src/$BIN_REPO
+
+COPY . $BIN_PATH
+WORKDIR $BIN_PATH
+
+RUN apk add fuse-dev git gcc libc-dev g++ make
+
+RUN BIN_OUTPUT=/bin/distribyted make build
+
+#===============
+# Stage 2: Run
+#===============
+
+FROM alpine:3
+
+RUN apk add gcc libc-dev fuse-dev
+
+COPY --from=builder /bin/distribyted /bin/distribyted
+RUN chmod +x /bin/distribyted
+
+RUN mkdir /distribyted-data
+
+RUN echo "user_allow_other" >> /etc/fuse.conf
+ENV DISTRIBYTED_FUSE_ALLOW_OTHER=true
+
+ENTRYPOINT ["./bin/distribyted"]

Makefile

@@ -2,6 +2,7 @@
 
 VERSION := $(shell git describe --tags)
 BUILD := $(shell git rev-parse --short HEAD)
+BIN_OUTPUT ?= bin/distribyted-$(VERSION)-`go env GOOS`-`go env GOARCH``go env GOEXE`
 PROJECTNAME := $(shell basename "$(PWD)")
 
 go-cross-compile: GOPATH=~/go
@@ -29,8 +30,8 @@ test:
 cross-compile: go-generate go-cross-compile
 
 go-build:
-	@echo "  >  Building binary..."
+	@echo "  >  Building binary on $(BIN_OUTPUT)..."
-	go build -o bin/distribyted-$(VERSION)-`go env GOOS`-`go env GOARCH``go env GOEXE` -tags "release" -ldflags='$(LDFLAGS)' cmd/distribyted/main.go
+	go build -o $(BIN_OUTPUT) -tags "release" -ldflags='$(LDFLAGS)' cmd/distribyted/main.go
 
 go-generate:
 	@echo "  >  Generating code files..."

README.md

@@ -37,6 +37,7 @@
 - [Getting Started](#getting-started)
   - [Prerequisites on windows](#prerequisites-on-windows)
 - [Usage](#usage)
+  - [Docker](#docker)
   - [Configuration File](#configuration-file)
     - [root](#root)
     - [mountpoints](#mountpoints)
@@ -109,6 +110,43 @@ It contains information about the mounted routes and torrent files like download
 
 You can also modify the configuration file and reload the server from here: `http://localhost:4444/config` .
 
+### Docker
+
+Docker run example:
+
+```shell
+docker run \
+  --rm -p 4444:4444 \
+  --cap-add SYS_ADMIN \
+  --device /dev/fuse \
+  --security-opt apparmor:unconfined \
+  -v /tmp/mountpoints:/distribyted-data/mountpoints:shared \
+  -v /tmp/metadata:/distribyted-data/metadata \
+  -v /tmp/config:/distribyted-data/config \
+  distribyted/distribyted:latest
+```
+
+Docker compose example:
+
+```yaml
+distribyted:
+    container_name: distribyted
+    image: distribyted/distribyted:latest
+    restart: always
+    ports:
+      - "4444:4444/tcp"
+    volumes:
+      - /home/user/mountpoints:/distribyted-data/mountpoints:shared
+      - /home/user/metadata:/distribyted-data/metadata
+      - /home/user/config:/distribyted-data/config
+    security_opt:
+      - apparmor:unconfined
+    devices:
+      - /dev/fuse
+    cap_add:
+      - SYS_ADMIN
+```
+
 ### Configuration File
 
 #### root

cmd/distribyted/main.go

@@ -31,7 +31,7 @@ func main() {
 		Flags: []cli.Flag{
 			&cli.StringFlag{
 				Name:    configFlag,
-				Value:   "./distribyted-data/config.yaml",
+				Value:   "./distribyted-data/config/config.yaml",
 				EnvVars: []string{"DISTRIBYTED_CONFIG"},
 				Usage:   "YAML file containing distribyted configuration.",
 			},

fuse/mount.go

@@ -26,7 +26,7 @@ func NewFS(fss []fs.Filesystem) fuse.FileSystemInterface {
 func (fs *FS) Open(path string, flags int) (errc int, fh uint64) {
 	fh, err := fs.fh.OpenHolder(path)
 	if err == os.ErrNotExist {
-		logrus.WithField("path", path).Warn("file does not exists")
+		logrus.WithField("path", path).Debug("file does not exists")
 		return -fuse.ENOENT, fhNone
 
 	}
@@ -50,7 +50,7 @@ func (cfs *FS) Getattr(path string, stat *fuse.Stat_t, fh uint64) (errc int) {
 
 	file, err := cfs.fh.GetFile(path, fh)
 	if err == os.ErrNotExist {
-		logrus.WithField("path", path).Warn("file does not exists")
+		logrus.WithField("path", path).Debug("file does not exists")
 		return -fuse.ENOENT
 
 	}