Initial commit

.editorconfig

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+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = false
+
+[{*.go,Makefile}]
+indent_style = tab
+indent_size = 4
+
+[*.md]
+trim_trailing_whitespace = false

.gitignore

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+mirror
+vendor/
+release/*
+!release/.gitkeep

Dockerfile

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+FROM scratch
+COPY mirror /
+ENTRYPOINT ["/mirror"]

LICENSE

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+MIT License
+
+Copyright (c) 2016 unblee
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Makefile

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+VERSION    := 0.1.0
+USERNAME   := unblee
+BINNAME    := mirror
+REPONAME   := $(BINNAME)
+REVISION   := $(shell git rev-parse --short HEAD)
+GO_VERSION := 1.8.0
+LDFLAGS    := -w -s \
+              -X main.Version=$(VERSION) \
+              -X main.Revision=$(REVISION) \
+              -X main.GoVersion=$(GO_VERSION) \
+              -extldflags '-static'
+
+BUILD_REPO_ROOT     := /go/src/$(REPONAME)
+RELEASE_BIN_DIR     := $(BUILD_REPO_ROOT)/release/bin
+RELEASE_ARCHIVE_DIR := $(BUILD_REPO_ROOT)/release/archive
+
+DOCKER_ENV := -e VERSION=$(VERSION) \
+              -e USERNAME=$(USERNAME) \
+              -e BINNAME=$(BINNAME) \
+              -e REPONAME=$(REPONAME) \
+              -e LDFLAGS='$(LDFLAGS)' \
+              -e BUILD_REPO_ROOT='$(BUILD_REPO_ROOT)' \
+              -e RELEASE_BIN_DIR='$(RELEASE_BIN_DIR)' \
+              -e RELEASE_ARCHIVE_DIR='$(RELEASE_ARCHIVE_DIR)' \
+              -e GITHUB_TOKEN='$(GITHUB_TOKEN)'
+
+DOCKER_RUN_OPT := -v $(PWD):$(BUILD_REPO_ROOT) \
+                  -w /go/src/$(BINNAME) \
+                  $(DOCKER_ENV)
+DOCKER_RUN     := docker run -it --rm $(DOCKER_RUN_OPT) golang:$(GO_VERSION)-alpine
+
+.PHONY: gh-release
+gh-release: archive
+	$(DOCKER_RUN) sh scripts/gh_release.sh
+
+.PHONY: archive
+archive: bin-build
+	$(DOCKER_RUN) sh scripts/archive.sh
+
+.PHONY: dh-release
+dh-release: docker-build
+	docker push $(USERNAME)/$(BINNAME):$(VERSION)
+
+.PHONY: docker-build
+docker-build: bin-build
+	cp -f release/bin/$(BINNAME)-$(VERSION)-linux-amd64/$(BINNAME) $(BINNAME)
+	docker build -t $(USERNAME)/$(BINNAME):$(VERSION) .
+	docker tag $(USERNAME)/$(BINNAME):$(VERSION) $(USERNAME)/$(BINNAME):latest
+	rm -f $(BINNAME)
+
+.PHONY: bin-build
+bin-build: deps
+	$(DOCKER_RUN) sh scripts/build.sh
+
+.PHONY: deps
+deps:
+	glide install
+
+.PHONY: example-up
+example-up: example-stop docker-build
+	{ \
+		cd example; \
+		docker-compose up -d; \
+	}
+
+.PHONY: example-stop
+example-stop:
+	{ \
+		cd example; \
+		docker-compose stop; \
+		docker-compose rm -f; \
+	}
+
+.PHONY: test
+test:
+	go test -v `glide novendor | grep -v example`
+
+.PHONY: clean
+clean:
+	rm -fr release/archive
+	rm -fr release/bin

README.md

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+# mirror
+
+VirtualHost based dynamic reverse proxy
+
+TODO: write document
+
+## Available Environment Values
+
+```
+Flags:
+  -h, --help: this message
+  --version:  show version
+
+Available Environment Values:
+  LISTEN_PORT              Listening port number
+    default: 8080
+
+  DEFAULT_DEST_PORT        Default destination port number
+    default: 80
+
+  BASE_DOMAIN                 Base Domain
+    default: not set(required)
+
+  DEFAULT_DEST_URL         Default destination URL
+    default: not set(allow empty)
+
+  DB_HOST                  Hostname of the database to connect
+    default: 127.0.0.1
+
+  DB_PORT                  Port number of the database to connect
+    default: 6379
+```

example/docker-compose.yml

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+version: "3"
+
+services:
+  proxy:
+    image: unblee/mirror:latest
+    ports:
+      - "80:5000"
+    environment:
+      - LISTEN_PORT=5000
+      - DEFAULT_DEST_PORT=80
+      - BASE_DOMAIN=127.0.0.1.xip.io
+      - DEFAULT_DEST_URL=http://default:8080
+      - DB_HOST=redis
+      - DB_PORT=6379
+    depends_on:
+      - redis
+
+  redis:
+    image: redis:alpine
+    expose:
+      - "6379"
+
+  rcli:
+    image: redis:alpine
+    command: sh -c "redis-cli -h redis HSET mirror-store dest1 http://dest1; redis-cli -h redis HSET mirror-store dest2 http://dest2:8080/{}"
+    depends_on:
+      - redis
+
+  dest1:
+    image: golang:alpine
+    environment:
+      - PORT=80
+    volumes:
+      - .:/go/src
+    expose:
+      - "80"
+    command: ["go", "run", "/go/src/exampleDestServer.go"]
+
+  dest2:
+    image: golang:alpine
+    environment:
+      - PORT=8080
+    volumes:
+      - .:/go/src
+    expose:
+      - "8080"
+    command: ["go", "run", "/go/src/exampleDestServer.go"]
+
+  default:
+    image: golang:alpine
+    environment:
+      - PORT=8080
+    volumes:
+      - .:/go/src
+    expose:
+      - "8080"
+    command: ["go", "run", "/go/src/exampleDestServer.go"]

example/exampleDestServer.go

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+package main
+
+import (
+	"fmt"
+	"net/http"
+	"os"
+)
+
+func main() {
+	port := os.Getenv("PORT")
+	http.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
+		fmt.Fprintln(w, req.Host+req.URL.Path+req.URL.RawPath)
+	})
+	http.HandleFunc("/dest2", func(w http.ResponseWriter, req *http.Request) {
+		fmt.Fprintln(w, req.Host+req.URL.Path+req.URL.RawPath)
+	})
+	http.ListenAndServe(":"+port, nil)
+}

glide.yaml

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+package: github.com/unblee/mirror
+import:
+- package: github.com/vulcand/oxy
+  subpackages:
+  - forward
+- package: github.com/Sirupsen/logrus
+  version: v0.11.0
+- package: github.com/garyburd/redigo
+  subpackages:
+  - redis
+- package: github.com/pkg/errors
+  version: v0.8.0