scaffold images API

images/files/local.go

@@ -0,0 +1,91 @@
+package files
+
+import (
+	"io"
+	"os"
+	"path/filepath"
+
+	"golang.org/x/xerrors"
+)
+
+// Local is an implementation of the Storage interface which works with the
+// local disk on the current machine
+type Local struct {
+	maxFileSize int // maximum numbber of bytes for files
+	basePath    string
+}
+
+// NewLocal creates a new Local filesytem with the given base path
+// basePath is the base directory to save files to
+// maxSize is the max number of bytes that a file can be
+func NewLocal(basePath string, maxSize int) (*Local, error) {
+	p, err := filepath.Abs(basePath)
+	if err != nil {
+		return nil, err
+	}
+
+	return &Local{basePath: p}, nil
+}
+
+// Save the contents of the Writer to the given path
+// path is a relative path, basePath will be appended
+func (l *Local) Save(path string, contents io.Reader) error {
+	// get the full path for the file
+	fp := l.fullPath(path)
+
+	// get the directory and make sure it exists
+	d := filepath.Dir(fp)
+	err := os.MkdirAll(d, os.ModePerm)
+	if err != nil {
+		return xerrors.Errorf("Unable to create directory: %w", err)
+	}
+
+	// if the file exists delete it
+	_, err = os.Stat(fp)
+	if err == nil {
+		err = os.Remove(fp)
+		if err != nil {
+			return xerrors.Errorf("Unable to delete file: %w", err)
+		}
+	} else if !os.IsNotExist(err) {
+		// if this is anything other than a not exists error
+		return xerrors.Errorf("Unable to get file info: %w", err)
+	}
+
+	// create a new file at the path
+	f, err := os.Create(fp)
+	if err != nil {
+		return xerrors.Errorf("Unable to create file: %w", err)
+	}
+	defer f.Close()
+
+	// write the contents to the new file
+	// ensure that we are not writing greater than max bytes
+	_, err = io.Copy(f, contents)
+	if err != nil {
+		return xerrors.Errorf("Unable to write to file: %w", err)
+	}
+
+	return nil
+}
+
+// Get the file at the given path and return a Reader
+// the calling function is responsible for closing the reader
+func (l *Local) Get(path string) (*os.File, error) {
+	// get the full path for the file
+	fp := l.fullPath(path)
+
+	// open the file
+	f, err := os.Open(fp)
+	if err != nil {
+		return nil, xerrors.Errorf("Unable to open file: %w", err)
+	}
+
+	return f, nil
+}
+
+// returns the absolute path
+func (l *Local) fullPath(path string) string {
+	// append the given path to the base path
+	return filepath.Join(l.basePath, path)
+}

images/files/local_test.go

@@ -0,0 +1,68 @@
+package files
+
+import (
+	"bytes"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func setupLocal(t *testing.T) (*Local, string, func()) {
+	// create a temporary directory
+	dir, err := ioutil.TempDir("", "files")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	l, err := NewLocal(dir)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	return l, dir, func() {
+		// cleanup function
+		//os.RemoveAll(dir)
+	}
+}
+
+func TestSavesContentsOfReader(t *testing.T) {
+	savePath := "/1/test.png"
+	fileContents := "Hello World"
+	l, dir, cleanup := setupLocal(t)
+	defer cleanup()
+
+	err := l.Save(savePath, bytes.NewBuffer([]byte(fileContents)))
+	assert.NoError(t, err)
+
+	// check the file has been correctly written
+	f, err := os.Open(filepath.Join(dir, savePath))
+	assert.NoError(t, err)
+
+	// check the contents of the file
+	d, err := ioutil.ReadAll(f)
+	assert.NoError(t, err)
+	assert.Equal(t, fileContents, string(d))
+}
+
+func TestGetsContentsAndWritesToWriter(t *testing.T) {
+	savePath := "/1/test.png"
+	fileContents := "Hello World"
+	l, _, cleanup := setupLocal(t)
+	defer cleanup()
+
+	// Save a file
+	err := l.Save(savePath, bytes.NewBuffer([]byte(fileContents)))
+	assert.NoError(t, err)
+
+	// Read the file back
+	r, err := l.Get(savePath)
+	assert.NoError(t, err)
+	defer r.Close()
+
+	// read the full contents of the reader
+	d, err := ioutil.ReadAll(r)
+	assert.Equal(t, fileContents, string(d))
+}

images/files/storage.go

@@ -0,0 +1,9 @@
+package files
+
+import "io"
+
+// Storage defines the behavior for file operations
+// Implementations may be of the time local disk, or cloud storage, etc
+type Storage interface {
+	Save(path string, file io.Reader) error
+}

images/go.mod

@@ -0,0 +1,9 @@
+module github.com/rjNemo/go-micro/images
+
+go 1.14
+
+require (
+	github.com/gorilla/mux v1.7.4
+	github.com/hashicorp/go-hclog v0.14.1
+	golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543
+)

images/go.sum

@@ -0,0 +1,18 @@
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
+github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
+github.com/gorilla/mux v1.7.4 h1:VuZ8uybHlWmqV03+zRzdwKL4tUnIp1MAQtp1mIFE1bc=
+github.com/gorilla/mux v1.7.4/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
+github.com/hashicorp/go-hclog v0.14.1 h1:nQcJDQwIAGnmoUWp8ubocEX40cCml/17YkF6csQLReU=
+github.com/hashicorp/go-hclog v0.14.1/go.mod h1:whpDNt7SSdeAju8AWKIWsul05p54N/39EeqMAyrmvFQ=
+github.com/mattn/go-colorable v0.1.4 h1:snbPLB8fVfU9iwbbo30TPtbLRzwWu6aJS6Xh4eaaviA=
+github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
+github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
+github.com/mattn/go-isatty v0.0.10 h1:qxFzApOv4WsAL965uUPIsXzAKCZxN2p9UqdhFS4ZW10=
+github.com/mattn/go-isatty v0.0.10/go.mod h1:qgIWMr58cqv1PHHyhnkY9lrL7etaEgOFcMEpPG5Rm84=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

images/handlers/files.go

@@ -0,0 +1,52 @@
+package handlers
+
+import (
+	"net/http"
+	"path/filepath"
+
+	"github.com/gorilla/mux"
+	hclog "github.com/hashicorp/go-hclog"
+	"github.com/rjNemo/go-micro/images/files"
+)
+
+// Files is a handler for reading and writing files
+type Files struct {
+	log   hclog.Logger
+	store files.Storage
+}
+
+// NewFiles creates a new File handler
+func NewFiles(s files.Storage, l hclog.Logger) *Files {
+	return &Files{store: s, log: l}
+}
+
+// ServeHTTP implements the http.Handler interface
+func (f *Files) ServeHTTP(rw http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id := vars["id"]
+	fn := vars["filename"]
+
+	f.log.Info("Handle POST", "id", id, "filename", fn)
+
+	// no need to check for invalid id or filename as the mux router will not send requests
+	// here unless they have the correct parameters
+
+	f.saveFile(id, fn, rw, r)
+}
+
+func (f *Files) invalidURI(uri string, rw http.ResponseWriter) {
+	f.log.Error("Invalid path", "path", uri)
+	http.Error(rw, "Invalid file path should be in the format: /[id]/[filepath]", http.StatusBadRequest)
+}
+
+// saveFile saves the contents of the request to a file
+func (f *Files) saveFile(id, path string, rw http.ResponseWriter, r *http.Request) {
+	f.log.Info("Save file for product", "id", id, "path", path)
+
+	fp := filepath.Join(id, path)
+	err := f.store.Save(fp, r.Body)
+	if err != nil {
+		f.log.Error("Unable to save file", "error", err)
+		http.Error(rw, "Unable to save file", http.StatusInternalServerError)
+	}
+}

images/main.go

@@ -0,0 +1,93 @@
+package main
+
+import (
+	"context"
+	"net/http"
+	"os"
+	"os/signal"
+	"time"
+
+	"github.com/gorilla/mux"
+	hclog "github.com/hashicorp/go-hclog"
+	"github.com/rjNemo/go-micro/images/files"
+	"github.com/rjNemo/go-micro/images/handlers"
+)
+
+const (
+	port     = ":5000"
+	logLevel = "debug"
+	basePath = "./imagestore"
+)
+
+func main() {
+
+	l := hclog.New(
+		&hclog.LoggerOptions{
+			Name:  "product-images",
+			Level: hclog.LevelFromString(logLevel),
+		},
+	)
+
+	// create a logger for the server from the default logger
+	sl := l.StandardLogger(&hclog.StandardLoggerOptions{InferLevels: true})
+
+	// create the storage class, use local storage
+	// max filesize 5MB
+	stor, err := files.NewLocal(basePath, 1024*1000*5)
+	if err != nil {
+		l.Error("Unable to create storage", "error", err)
+		os.Exit(1)
+	}
+
+	// create the handlers
+	fh := handlers.NewFiles(stor, l)
+
+	// create a new serve mux and register the handlers
+	sm := mux.NewRouter()
+
+	// filename regex: {filename:[a-zA-Z]+\\.[a-z]{3}}
+	// problem with FileServer is that it is dumb
+	ph := sm.Methods(http.MethodPost).Subrouter()
+	ph.HandleFunc("/images/{id:[0-9]+}/{filename:[a-zA-Z]+\\.[a-z]{3}}", fh.ServeHTTP)
+
+	// get files
+	gh := sm.Methods(http.MethodGet).Subrouter()
+	gh.Handle(
+		"/images/{id:[0-9]+}/{filename:[a-zA-Z]+\\.[a-z]{3}}",
+		http.StripPrefix("/images/", http.FileServer(http.Dir(basePath))),
+	)
+
+	// create a new server
+	s := http.Server{
+		Addr:         port,              // configure the bind address
+		Handler:      sm,                // set the default handler
+		ErrorLog:     sl,                // the logger for the server
+		ReadTimeout:  5 * time.Second,   // max time to read request from the client
+		WriteTimeout: 10 * time.Second,  // max time to write response to the client
+		IdleTimeout:  120 * time.Second, // max time for connections using TCP Keep-Alive
+	}
+
+	// start the server
+	go func() {
+		l.Info("Starting server", "bind_address", port)
+
+		err := s.ListenAndServe()
+		if err != nil {
+			l.Error("Unable to start server", "error", err)
+			os.Exit(1)
+		}
+	}()
+
+	// trap sigterm or interupt and gracefully shutdown the server
+	c := make(chan os.Signal, 1)
+	signal.Notify(c, os.Interrupt)
+	signal.Notify(c, os.Kill)
+
+	// Block until a signal is received.
+	sig := <-c
+	l.Info("Shutting down server with", "signal", sig)
+
+	// gracefully shutdown the server, waiting max 30 seconds for current operations to complete
+	ctx, _ := context.WithTimeout(context.Background(), 30*time.Second)
+	s.Shutdown(ctx)
+}

products/go.mod

@@ -3,13 +3,10 @@ module github.com/rjNemo/go-micro/products
 go 1.14
 
 require (
-	github.com/go-openapi/runtime v0.19.19
+	github.com/go-openapi/runtime v0.19.20
 	github.com/go-playground/universal-translator v0.17.0 // indirect
 	github.com/go-playground/validator v9.31.0+incompatible
 	github.com/gorilla/handlers v1.4.2
 	github.com/gorilla/mux v1.7.4
 	github.com/leodido/go-urn v1.2.0 // indirect
-	go.mongodb.org/mongo-driver v1.3.5 // indirect
-	golang.org/x/net v0.0.0-20200707034311-ab3426394381 // indirect
-	gopkg.in/go-playground/assert.v1 v1.2.1 // indirect
 )

products/go.sum

@@ -10,9 +10,7 @@ github.com/asaskevich/govalidator v0.0.0-20200108200545-475eaeb16496/go.mod h1:o
 github.com/asaskevich/govalidator v0.0.0-20200428143746-21a406dcc535 h1:4daAzAu0S6Vi7/lbWECcX0j45yZReDZ56BQsrVBOEEY=
 github.com/asaskevich/govalidator v0.0.0-20200428143746-21a406dcc535/go.mod h1:oGkLhpf+kjZl6xBf758TQhh5XrAeiJv/7FRz/2spLIg=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/docker/go-units v0.3.3/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
 github.com/docker/go-units v0.4.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
@@ -53,8 +51,8 @@ github.com/go-openapi/runtime v0.0.0-20180920151709-4f900dc2ade9/go.mod h1:6v9a6
 github.com/go-openapi/runtime v0.19.0/go.mod h1:OwNfisksmmaZse4+gpV3Ne9AyMOlP1lt4sK4FXt0O64=
 github.com/go-openapi/runtime v0.19.4/go.mod h1:X277bwSUBxVlCYR3r7xgZZGKVvBd/29gLDlFGtJ8NL4=
 github.com/go-openapi/runtime v0.19.15/go.mod h1:dhGWCTKRXlAfGnQG0ONViOZpjfg0m2gUt9nTQPQZuoo=
-github.com/go-openapi/runtime v0.19.19 h1:PCaQSqG0HiCgpekchPrHO9AEc5ZUaAclOUp9T3RSKoQ=
+github.com/go-openapi/runtime v0.19.20 h1:J/t+QIjbcoq8WJvjGxRKiFBhqUE8slS9SbmD0Oi/raQ=
-github.com/go-openapi/runtime v0.19.19/go.mod h1:Lm9YGCeecBnUUkFTxPC4s1+lwrkJ0pthx8YvyjCfkgk=
+github.com/go-openapi/runtime v0.19.20/go.mod h1:Lm9YGCeecBnUUkFTxPC4s1+lwrkJ0pthx8YvyjCfkgk=
 github.com/go-openapi/spec v0.17.0/go.mod h1:XkF/MOi14NmjsfZ8VtAKf8pIlbZzyoTvZsdfssdxcBI=
 github.com/go-openapi/spec v0.18.0/go.mod h1:XkF/MOi14NmjsfZ8VtAKf8pIlbZzyoTvZsdfssdxcBI=
 github.com/go-openapi/spec v0.19.2/go.mod h1:sCxk3jxKgioEJikev4fgkNmwS+3kuYdJtcsZsD5zxMY=
@@ -116,10 +114,8 @@ github.com/gobuffalo/packr/v2 v2.2.0/go.mod h1:CaAwI0GPIAv+5wKLtv8Afwl+Cm78K/I/V
 github.com/gobuffalo/syncx v0.0.0-20190224160051-33c29581e754/go.mod h1:HhnNqWY95UYwwW3uSASeV7vtgYkT2t16hJgV3AEPUpw=
 github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
-github.com/google/go-cmp v0.3.0 h1:crn/baboCvb5fXaQ0IJ1SGTsTVrWpDsCWC8EGETZijY=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/handlers v1.4.2 h1:0QniY0USkHQ1RGCLfKxeNHK9bkDHGRYGNDFBCS+YARg=
 github.com/gorilla/handlers v1.4.2/go.mod h1:Qkdc/uu4tH4g6mTK6auzZ766c4CA0Ng8+o/OAirnOIQ=
@@ -137,7 +133,6 @@ github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORN
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/pty v1.1.5/go.mod h1:9r2w37qlBe7rQ6e1fg1S/9xpWHSnaqNdHD3WcMdbPDA=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/leodido/go-urn v1.2.0 h1:hpXL4XnriNwQ/ABnpepYM/1vCLWNDfUNts8dX3xTG6Y=
 github.com/leodido/go-urn v1.2.0/go.mod h1:+8+nEpDfqqsY+g338gtMEUOtuK+4dEMhiQEgxpxOKII=
@@ -153,13 +148,11 @@ github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh
 github.com/mitchellh/mapstructure v1.3.2 h1:mRS76wmkOn3KkKAyXDu42V+6ebnXWIztFSYGN7GeoRg=
 github.com/mitchellh/mapstructure v1.3.2/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe/go.mod h1:wL8QJuTMNUDYhXwkmfOly8iTdp5TEcJFWZD2D7SIkUc=
-github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
 github.com/pborman/uuid v1.2.0/go.mod h1:X/NO0urCmaxf9VXbdlT7C2Yzkj2IKimNn4k+gtPdI/k=
 github.com/pelletier/go-toml v1.4.0/go.mod h1:PN7xzY2wHTK0K9p34ErDQMlFxa51Fk0OUruD3k1mMwo=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/rogpeppe/go-internal v1.1.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/rogpeppe/go-internal v1.2.2/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
@@ -174,11 +167,8 @@ github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/objx v0.2.0/go.mod h1:qt09Ya8vawLte6SNmTgCsAVtYtaKzEcn8ATUoHMkEqE=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/tidwall/pretty v1.0.0 h1:HsD+QiTn7sK6flMKIvNmpqz1qrpP3Ps6jOKIKMooyg4=
 github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
 github.com/xdg/scram v0.0.0-20180814205039-7eeb5667e42c/go.mod h1:lB8K/P019DLNhemzwFU4jHLhdvlE6uDZjXFejJXr49I=
 github.com/xdg/stringprep v0.0.0-20180714160509-73f8eece6fdc/go.mod h1:Jhud4/sHMO4oL310DaZAKk9ZaJ08SJfe+sJh0HrGL1Y=
@@ -187,8 +177,6 @@ go.mongodb.org/mongo-driver v1.1.1/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qL
 go.mongodb.org/mongo-driver v1.3.0/go.mod h1:MSWZXKOynuguX+JSvwP8i+58jYCXxbia8HS3gZBapIE=
 go.mongodb.org/mongo-driver v1.3.4 h1:zs/dKNwX0gYUtzwrN9lLiR15hCO0nDwQj5xXx+vjCdE=
 go.mongodb.org/mongo-driver v1.3.4/go.mod h1:MSWZXKOynuguX+JSvwP8i+58jYCXxbia8HS3gZBapIE=
-go.mongodb.org/mongo-driver v1.3.5 h1:S0ZOruh4YGHjD7JoN7mIsTrNjnQbOjrmgrx6l6pZN7I=
-go.mongodb.org/mongo-driver v1.3.5/go.mod h1:Ual6Gkco7ZGQw8wE1t4tLnvBsf6yVSM60qW6TgOeJ5c=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190320223903-b7391e95e576/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
@@ -196,7 +184,6 @@ golang.org/x/crypto v0.0.0-20190422162423-af44ce270edf/go.mod h1:WFFai1msRO1wXaE
 golang.org/x/crypto v0.0.0-20190530122614-20be4c3c3ed5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190617133340-57b3e21c3d56/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/net v0.0.0-20181005035420-146acd28ed58/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190320064053-1272bf9dcd53/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
@@ -206,8 +193,6 @@ golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200602114024-627f9648deb9 h1:pNX+40auqi2JqRfOP1akLGtYcn15TUbkhwuCO3foqqM=
 golang.org/x/net v0.0.0-20200602114024-627f9648deb9/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
-golang.org/x/net v0.0.0-20200707034311-ab3426394381 h1:VXak5I6aEWmAXeQjA+QSZzlgNrpq9mjcfDemuexIKsU=
-golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190412183630-56d357773e84/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -224,8 +209,6 @@ golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
-golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
-golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190329151228-23e29df326fe/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
@@ -234,16 +217,11 @@ golang.org/x/tools v0.0.0-20190420181800-aa740d480789/go.mod h1:LCzVGOaR6xXOjkQ3
 golang.org/x/tools v0.0.0-20190531172133-b3315ee88b7d/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190614205625-5aca471b1d59/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190617190820-da514acc4774/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
-gopkg.in/go-playground/assert.v1 v1.2.1 h1:xoYuJVE7KT85PYWrN730RguIQO0ePzVRfFMXadIrXTM=
-gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -251,5 +229,4 @@ gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20200605160147-a5ece683394c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 h1:tQIYjPdBoyREyB9XMu+nnTclpTYkz2zFM+lzLJFO4gQ=
 gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=