add dynamo

Signed-off-by: Taylor Skinner <tskinn12@gmail.com>

add some comments

Signed-off-by: Taylor Skinner <tskinn12@gmail.com>

update readmes

make test runnable

Signed-off-by: Taylor Skinner <tskinn12@gmail.com>

make test

squash! add dynamo

add glide.lock

format imports

gofmt

update glide.lock

fixes for review

golint

clean up and reorganize tests

add dynamodb integration test

remove default region. clean up tests. consistent docs

forgot the region is required

DRY

make validate

update readme and commit dependencies

integration/dynamodb_test.go

@@ -0,0 +1,181 @@
+package main
+
+import (
+	"errors"
+	"io/ioutil"
+	"net/http"
+	"os"
+	"os/exec"
+	"strings"
+	"time"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/credentials"
+	"github.com/aws/aws-sdk-go/aws/session"
+	"github.com/aws/aws-sdk-go/service/dynamodb"
+	"github.com/aws/aws-sdk-go/service/dynamodb/dynamodbattribute"
+	"github.com/containous/traefik/integration/utils"
+	"github.com/containous/traefik/types"
+	"github.com/go-check/check"
+	checker "github.com/vdemeester/shakers"
+)
+
+type DynamoDBSuite struct {
+	BaseSuite
+}
+
+type DynamoDBItem struct {
+	ID   string `dynamodbav:"id"`
+	Name string `dynamodbav:"name"`
+}
+
+type DynamoDBBackendItem struct {
+	DynamoDBItem
+	Backend types.Backend `dynamodbav:"backend"`
+}
+
+type DynamoDBFrontendItem struct {
+	DynamoDBItem
+	Frontend types.Frontend `dynamodbav:"frontend"`
+}
+
+func (s *DynamoDBSuite) SetUpSuite(c *check.C) {
+	s.createComposeProject(c, "dynamodb")
+	s.composeProject.Start(c)
+	dynamoURL := "http://" + s.composeProject.Container(c, "dynamo").NetworkSettings.IPAddress + ":8000"
+	config := &aws.Config{
+		Region:      aws.String("us-east-1"),
+		Credentials: credentials.NewStaticCredentials("id", "secret", ""),
+		Endpoint:    aws.String(dynamoURL),
+	}
+	var sess *session.Session
+	err := utils.Try(60*time.Second, func() error {
+		_, err := session.NewSession(config)
+		if err != nil {
+			return err
+		}
+		sess = session.New(config)
+		return nil
+	})
+	svc := dynamodb.New(sess)
+
+	// create dynamodb table
+	params := &dynamodb.CreateTableInput{
+		AttributeDefinitions: []*dynamodb.AttributeDefinition{
+			{
+				AttributeName: aws.String("id"),
+				AttributeType: aws.String("S"),
+			},
+		},
+		KeySchema: []*dynamodb.KeySchemaElement{
+			{
+				AttributeName: aws.String("id"),
+				KeyType:       aws.String("HASH"),
+			},
+		},
+		ProvisionedThroughput: &dynamodb.ProvisionedThroughput{
+			ReadCapacityUnits:  aws.Int64(1),
+			WriteCapacityUnits: aws.Int64(1),
+		},
+		TableName: aws.String("traefik"),
+	}
+	_, err = svc.CreateTable(params)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	// load config into dynamodb
+	whoami1 := "http://" + s.composeProject.Container(c, "whoami1").NetworkSettings.IPAddress + ":80"
+	whoami2 := "http://" + s.composeProject.Container(c, "whoami2").NetworkSettings.IPAddress + ":80"
+	whoami3 := "http://" + s.composeProject.Container(c, "whoami3").NetworkSettings.IPAddress + ":80"
+
+	backend := DynamoDBBackendItem{
+		Backend: types.Backend{
+			Servers: map[string]types.Server{
+				"whoami1": {
+					URL: whoami1,
+				},
+				"whoami2": {
+					URL: whoami2,
+				},
+				"whoami3": {
+					URL: whoami3,
+				},
+			},
+		},
+		DynamoDBItem: DynamoDBItem{
+			ID:   "whoami_backend",
+			Name: "whoami",
+		},
+	}
+
+	frontend := DynamoDBFrontendItem{
+		Frontend: types.Frontend{
+			EntryPoints: []string{
+				"http",
+			},
+			Backend: "whoami",
+			Routes: map[string]types.Route{
+				"hostRule": {
+					Rule: "Host:test.traefik.io",
+				},
+			},
+		},
+		DynamoDBItem: DynamoDBItem{
+			ID:   "whoami_frontend",
+			Name: "whoami",
+		},
+	}
+	backendAttributeValue, err := dynamodbattribute.MarshalMap(backend)
+	c.Assert(err, checker.IsNil)
+	frontendAttributeValue, err := dynamodbattribute.MarshalMap(frontend)
+	c.Assert(err, checker.IsNil)
+	putParams := &dynamodb.PutItemInput{
+		Item:      backendAttributeValue,
+		TableName: aws.String("traefik"),
+	}
+	_, err = svc.PutItem(putParams)
+	c.Assert(err, checker.IsNil)
+
+	putParams = &dynamodb.PutItemInput{
+		Item:      frontendAttributeValue,
+		TableName: aws.String("traefik"),
+	}
+	_, err = svc.PutItem(putParams)
+	c.Assert(err, checker.IsNil)
+}
+
+func (s *DynamoDBSuite) TestSimpleConfiguration(c *check.C) {
+	dynamoURL := "http://" + s.composeProject.Container(c, "dynamo").NetworkSettings.IPAddress + ":8000"
+	file := s.adaptFile(c, "fixtures/dynamodb/simple.toml", struct{ DynamoURL string }{dynamoURL})
+	defer os.Remove(file)
+	cmd := exec.Command(traefikBinary, "--configFile="+file)
+	err := cmd.Start()
+	c.Assert(err, checker.IsNil)
+	defer cmd.Process.Kill()
+	err = utils.TryRequest("http://127.0.0.1:8081/api/providers", 120*time.Second, func(res *http.Response) error {
+		body, err := ioutil.ReadAll(res.Body)
+		if err != nil {
+			return err
+		}
+		if !strings.Contains(string(body), "Host:test.traefik.io") {
+			return errors.New("incorrect traefik config")
+		}
+		return nil
+	})
+	c.Assert(err, checker.IsNil)
+	client := &http.Client{}
+	req, err := http.NewRequest("GET", "http://127.0.0.1:8080", nil)
+	c.Assert(err, checker.IsNil)
+	req.Host = "test.traefik.io"
+	response, err := client.Do(req)
+	c.Assert(err, checker.IsNil)
+	c.Assert(response.StatusCode, checker.Equals, 200)
+}
+
+func (s *DynamoDBSuite) TearDownSuite(c *check.C) {
+	if s.composeProject != nil {
+		s.composeProject.Stop(c)
+	}
+}