WIP Try to use composer-go

- there are problems to resolve with health check
- compose/parser.go and compose/types.go should be recheck
- need to recheck writers

compose/parser.go

@@ -1,13 +1,12 @@
 package compose
 
 import (
-	"fmt"
-	"katenary/helm"
 	"log"
 	"os"
 	"strings"
 
-	"github.com/google/shlex"
+	"github.com/compose-spec/compose-go/cli"
+	"github.com/compose-spec/compose-go/types"
 	"gopkg.in/yaml.v3"
 )
 
@@ -17,7 +16,7 @@ const (
 
 // Parser is a docker-compose parser.
 type Parser struct {
-	Data *Compose
+	Data *types.Project
 }
 
 var Appname = ""
@@ -44,205 +43,34 @@ func NewParser(filename string, content ...string) *Parser {
 		}
 	}
 
-	p := &Parser{Data: c}
+	p := &Parser{}
 
 	return p
 }
 
 func (p *Parser) Parse(appname string) {
-	Appname = appname
 
-	services := make(map[string][]string)
-	// get the service list, to be sure that everything is ok
+	// Reminder:
+	// - set Appname
+	// - loas services
 
-	// fix ugly types
-	for _, s := range p.Data.Services {
-		parseEnv(s)
-		parseCommand(s)
-		parseEnvFiles(s)
-		parseHealthCheck(s)
+	options, err := cli.NewProjectOptions(nil,
+		cli.WithDefaultConfigPath,
+		cli.WithNormalization(true),
+		cli.WithInterpolation(true),
+		cli.WithResolvedPaths(true),
+	)
+	if err != nil {
+		log.Fatal(err)
 	}
 
-	c := p.Data
-	for name, s := range c.Services {
-		if portlabel, ok := s.Labels[helm.LABEL_PORT]; ok {
-			services := strings.Split(portlabel, ",")
-			for _, serviceport := range services {
-				portexists := false
-				for _, found := range s.Ports {
-					if found == serviceport {
-						portexists = true
-					}
-				}
-				if !portexists {
-					s.Ports = append(s.Ports, serviceport)
-				}
-			}
-		}
-		if len(s.Ports) > 0 {
-			services[name] = s.Ports
-		}
+	proj, err := cli.ProjectFromOptions(options)
+	if err != nil {
+		log.Fatal(err)
 	}
 
-	// check if dependencies are resolved
-	missing := []string{}
-	for name, s := range c.Services {
-		for _, dep := range s.DependsOn {
-			if _, ok := services[dep]; !ok {
-				missing = append(missing, fmt.Sprintf(
-					"The service \"%s\" hasn't got "+
-						"declared port for dependency from \"%s\" - please "+
-						"append a %s label or a \"ports\" section in the docker-compose file",
-					dep, name, helm.LABEL_PORT),
-				)
-			}
-		}
-	}
+	Appname = proj.Name
 
-	if len(missing) > 0 {
-		log.Fatal(strings.Join(missing, "\n"))
-	}
-
-	// check if all "image" properties are set
-	missing = []string{}
-	for name, s := range c.Services {
-		if s.Image == "" {
-			missing = append(missing, fmt.Sprintf(
-				"The service \"%s\" hasn't got "+
-					"an image property - please "+
-					"append an image property in the docker-compose file",
-				name,
-			))
-		}
-	}
-	if len(missing) > 0 {
-		log.Fatal(strings.Join(missing, "\n"))
-	}
-
-	// check the build element
-	for name, s := range c.Services {
-		if s.RawBuild == nil {
-			continue
-		}
-
-		fmt.Println(ICON_EXCLAMATION +
-			" \x1b[33myou will need to build and push your image named \"" + s.Image + "\"" +
-			" for the \"" + name + "\" service \x1b[0m")
-
-	}
+	p.Data = proj
 
 }
-
-// manage environment variables, if the type is map[string]string so we can use it, else we need to split "=" sign
-// and apply this in env variable
-func parseEnv(s *Service) {
-	env := make(map[string]string)
-	if s.RawEnvironment == nil {
-		return
-	}
-	switch s.RawEnvironment.(type) {
-	case map[string]string:
-		env = s.RawEnvironment.(map[string]string)
-	case map[string]interface{}:
-		for k, v := range s.RawEnvironment.(map[string]interface{}) {
-			// force to string
-			env[k] = fmt.Sprintf("%v", v)
-		}
-	case []interface{}:
-		for _, v := range s.RawEnvironment.([]interface{}) {
-			// Splot the value of the env variable with "="
-			parts := strings.Split(v.(string), "=")
-			env[parts[0]] = parts[1]
-		}
-	case string:
-		parts := strings.Split(s.RawEnvironment.(string), "=")
-		env[parts[0]] = parts[1]
-	default:
-		log.Printf("%+v, %T", s.RawEnvironment, s.RawEnvironment)
-		log.Fatal("Environment type not supported")
-	}
-	s.Environment = env
-}
-
-func parseCommand(s *Service) {
-
-	if s.RawCommand == nil {
-		return
-	}
-
-	// following the command type, it can be a "slice" or a simple sting, so we need to check it
-	switch v := s.RawCommand.(type) {
-	case string:
-		// use shlex to parse the command
-		command, err := shlex.Split(v)
-		if err != nil {
-			log.Fatal(err)
-		}
-		s.Command = command
-	case []string:
-		s.Command = v
-	case []interface{}:
-		for _, v := range v {
-			s.Command = append(s.Command, v.(string))
-		}
-	default:
-		log.Printf("%+v %T", s.RawCommand, s.RawCommand)
-		log.Fatal("Command type not supported")
-	}
-}
-
-func parseEnvFiles(s *Service) {
-	// Same than parseEnv, but for env files
-	if s.RawEnvFiles == nil {
-		return
-	}
-	envfiles := make([]string, 0)
-	switch v := s.RawEnvFiles.(type) {
-	case []string:
-		envfiles = v
-	case []interface{}:
-		for _, v := range v {
-			envfiles = append(envfiles, v.(string))
-		}
-	case string:
-		envfiles = append(envfiles, v)
-	default:
-		log.Printf("%+v %T", s.RawEnvFiles, s.RawEnvFiles)
-		log.Fatal("EnvFile type not supported")
-	}
-	s.EnvFiles = envfiles
-}
-
-func parseHealthCheck(s *Service) {
-	// HealthCheck command can be a string or slice of strings
-	if s.HealthCheck == nil {
-		return
-	}
-	if s.HealthCheck.RawTest == nil {
-		return
-	}
-
-	switch v := s.HealthCheck.RawTest.(type) {
-	case string:
-		c, err := shlex.Split(v)
-		if err != nil {
-			log.Fatal(err)
-		}
-		s.HealthCheck = &HealthCheck{
-			Test: c,
-		}
-
-	case []string:
-		s.HealthCheck = &HealthCheck{
-			Test: v,
-		}
-
-	case []interface{}:
-		for _, v := range v {
-			s.HealthCheck.Test = append(s.HealthCheck.Test, v.(string))
-		}
-	default:
-		log.Printf("%+v %T", s.HealthCheck.RawTest, s.HealthCheck.RawTest)
-		log.Fatal("HealthCheck type not supported")
-	}
-}

compose/parser_test.go

@@ -1,199 +0,0 @@
-package compose
-
-import (
-	"katenary/logger"
-	"testing"
-)
-
-const DOCKER_COMPOSE_YML1 = `
-version: "3"
-
-services:
-    # first service, very basic
-    web:
-        image: nginx
-        ports:
-            - "80:80"
-        environment:
-            FOO: bar
-            BAZ: qux
-        networks:
-            - frontend
-
-
-    database:
-        image: postgres
-        networks:
-            - frontend
-        environment:
-          POSTGRES_USER: postgres
-          POSTGRES_PASSWORD: mysecretpassword
-          POSTGRES_DB: mydb
-        labels:
-            katenary.io/ports: "5432"
-
-    commander1:
-        image: foo
-        command: ["/bin/sh", "-c", "echo 'hello world'"]
-
-    commander2:
-        image: foo
-        command: echo "hello world"
-
-    hc1:
-        image: foo
-        healthcheck:
-            test: ["CMD-SHELL", "echo 'hello world1'"]
-
-    hc2:
-        image: foo
-        healthcheck:
-            test: echo "hello world2"
-
-    hc3:
-        image: foo
-        healthcheck:
-            test: ["CMD", "echo 'hello world3'"]
-
-
-`
-
-func init() {
-	logger.NOLOG = true
-}
-
-func TestParser(t *testing.T) {
-	p := NewParser("", DOCKER_COMPOSE_YML1)
-	p.Parse("test")
-
-	// check if the "web" and "database" service is parsed correctly
-	// by checking if the "ports" and "environment"
-	for name, service := range p.Data.Services {
-		if name == "web" {
-			if len(service.Ports) != 1 {
-				t.Errorf("Expected 1 port, got %d", len(service.Ports))
-			}
-			if service.Ports[0] != "80:80" {
-				t.Errorf("Expected port 80:80, got %s", service.Ports[0])
-			}
-			if len(service.Environment) != 2 {
-				t.Errorf("Expected 2 environment variables, got %d", len(service.Environment))
-			}
-			if service.Environment["FOO"] != "bar" {
-				t.Errorf("Expected FOO=bar, got %s", service.Environment["FOO"])
-			}
-			if service.Environment["BAZ"] != "qux" {
-				t.Errorf("Expected BAZ=qux, got %s", service.Environment["BAZ"])
-			}
-		}
-		// same for the "database" service
-		if name == "database" {
-			if len(service.Ports) != 1 {
-				t.Errorf("Expected 1 port, got %d", len(service.Ports))
-			}
-			if service.Ports[0] != "5432" {
-				t.Errorf("Expected port 5432, got %s", service.Ports[0])
-			}
-			if len(service.Environment) != 3 {
-				t.Errorf("Expected 3 environment variables, got %d", len(service.Environment))
-			}
-			if service.Environment["POSTGRES_USER"] != "postgres" {
-				t.Errorf("Expected POSTGRES_USER=postgres, got %s", service.Environment["POSTGRES_USER"])
-			}
-			if service.Environment["POSTGRES_PASSWORD"] != "mysecretpassword" {
-				t.Errorf("Expected POSTGRES_PASSWORD=mysecretpassword, got %s", service.Environment["POSTGRES_PASSWORD"])
-			}
-			if service.Environment["POSTGRES_DB"] != "mydb" {
-				t.Errorf("Expected POSTGRES_DB=mydb, got %s", service.Environment["POSTGRES_DB"])
-			}
-			// check labels
-			if len(service.Labels) != 1 {
-				t.Errorf("Expected 1 label, got %d", len(service.Labels))
-			}
-			// is label katenary.io/ports correct?
-			if service.Labels["katenary.io/ports"] != "5432" {
-				t.Errorf("Expected katenary.io/ports=5432, got %s", service.Labels["katenary.io/ports"])
-			}
-		}
-	}
-}
-
-func TestParseCommand(t *testing.T) {
-	p := NewParser("", DOCKER_COMPOSE_YML1)
-	p.Parse("test")
-
-	for name, s := range p.Data.Services {
-		if name == "commander1" {
-			t.Log(s.Command)
-			if len(s.Command) != 3 {
-				t.Errorf("Expected 3 command, got %d", len(s.Command))
-			}
-			if s.Command[0] != "/bin/sh" {
-				t.Errorf("Expected /bin/sh, got %s", s.Command[0])
-			}
-			if s.Command[1] != "-c" {
-				t.Errorf("Expected -c, got %s", s.Command[1])
-			}
-			if s.Command[2] != "echo 'hello world'" {
-				t.Errorf("Expected echo 'hello world', got %s", s.Command[2])
-			}
-		}
-		if name == "commander2" {
-			t.Log(s.Command)
-			if len(s.Command) != 2 {
-				t.Errorf("Expected 1 command, got %d", len(s.Command))
-			}
-			if s.Command[0] != "echo" {
-				t.Errorf("Expected echo, got %s", s.Command[0])
-			}
-			if s.Command[1] != "hello world" {
-				t.Errorf("Expected hello world, got %s", s.Command[1])
-			}
-		}
-	}
-}
-
-func TestHealthChecks(t *testing.T) {
-	p := NewParser("", DOCKER_COMPOSE_YML1)
-	p.Parse("test")
-
-	for name, s := range p.Data.Services {
-		if name != "hc1" && name != "hc2" && name != "hc3" {
-			continue
-		}
-
-		if name == "hc1" {
-			if len(s.HealthCheck.Test) != 2 {
-				t.Errorf("Expected 2 healthcheck tests, got %d", len(s.HealthCheck.Test))
-			}
-			if s.HealthCheck.Test[0] != "CMD-SHELL" {
-				t.Errorf("Expected CMD-SHELL, got %s", s.HealthCheck.Test[0])
-			}
-			if s.HealthCheck.Test[1] != "echo 'hello world1'" {
-				t.Errorf("Expected echo 'hello world1', got %s", s.HealthCheck.Test[1])
-			}
-		}
-		if name == "hc2" {
-			if len(s.HealthCheck.Test) != 2 {
-				t.Errorf("Expected 2 healthcheck tests, got %d", len(s.HealthCheck.Test))
-			}
-			if s.HealthCheck.Test[0] != "echo" {
-				t.Errorf("Expected echo, got %s", s.HealthCheck.Test[1])
-			}
-			if s.HealthCheck.Test[1] != "hello world2" {
-				t.Errorf("Expected echo 'hello world2', got %s", s.HealthCheck.Test[1])
-			}
-		}
-		if name == "hc3" {
-			if len(s.HealthCheck.Test) != 2 {
-				t.Errorf("Expected 2 healthcheck tests, got %d", len(s.HealthCheck.Test))
-			}
-			if s.HealthCheck.Test[0] != "CMD" {
-				t.Errorf("Expected CMD, got %s", s.HealthCheck.Test[0])
-			}
-			if s.HealthCheck.Test[1] != "echo 'hello world3'" {
-				t.Errorf("Expected echo 'hello world3', got %s", s.HealthCheck.Test[1])
-			}
-		}
-	}
-}

generator/main.go

@@ -3,11 +3,9 @@ package generator
 import (
 	"fmt"
 	"io/ioutil"
-	"katenary/compose"
 	"katenary/helm"
 	"katenary/logger"
 	"log"
-	"net/url"
 	"os"
 	"path/filepath"
 	"strconv"
@@ -17,7 +15,7 @@ import (
 
 	"errors"
 
-	"github.com/google/shlex"
+	"github.com/compose-spec/compose-go/types"
 )
 
 var servicesMap = make(map[string]int)
@@ -56,14 +54,14 @@ echo "Done"
 var madeDeployments = make(map[string]helm.Deployment, 0)
 
 // Create a Deployment for a given compose.Service. It returns a list of objects: a Deployment and a possible Service (kubernetes represnetation as maps).
-func CreateReplicaObject(name string, s *compose.Service, linked map[string]*compose.Service) chan interface{} {
+func CreateReplicaObject(name string, s types.ServiceConfig, linked map[string]types.ServiceConfig) chan interface{} {
 	ret := make(chan interface{}, len(s.Ports)+len(s.Expose)+1)
 	go parseService(name, s, linked, ret)
 	return ret
 }
 
 // This function will try to yied deployment and services based on a service from the compose file structure.
-func parseService(name string, s *compose.Service, linked map[string]*compose.Service, ret chan interface{}) {
+func parseService(name string, s types.ServiceConfig, linked map[string]types.ServiceConfig, ret chan interface{}) {
 	logger.Magenta(ICON_PACKAGE+" Generating deployment for ", name)
 
 	o := helm.NewDeployment(name)
@@ -167,7 +165,7 @@ func parseService(name string, s *compose.Service, linked map[string]*compose.Se
 }
 
 // prepareContainer assigns image, command, env, and labels to a container.
-func prepareContainer(container *helm.Container, service *compose.Service, servicename string) {
+func prepareContainer(container *helm.Container, service types.ServiceConfig, servicename string) {
 	// if there is no image name, this should fail!
 	if service.Image == "" {
 		log.Fatal(ICON_PACKAGE+" No image name for service ", servicename)
@@ -182,22 +180,16 @@ func prepareContainer(container *helm.Container, service *compose.Service, servi
 }
 
 // Create a service (k8s).
-func generateServicesAndIngresses(name string, s *compose.Service) []interface{} {
+func generateServicesAndIngresses(name string, s types.ServiceConfig) []interface{} {
 
 	ret := make([]interface{}, 0) // can handle helm.Service or helm.Ingress
 	logger.Magenta(ICON_SERVICE+" Generating service for ", name)
 	ks := helm.NewService(name)
 
 	for i, p := range s.Ports {
-		port := strings.Split(p, ":")
-		src, _ := strconv.Atoi(port[0])
-		target := src
-		if len(port) > 1 {
-			target, _ = strconv.Atoi(port[1])
-		}
-		ks.Spec.Ports = append(ks.Spec.Ports, helm.NewServicePort(target, target))
+		ks.Spec.Ports = append(ks.Spec.Ports, helm.NewServicePort(int(p.Target), int(p.Target)))
 		if i == 0 {
-			detected(name, target)
+			detected(name, int(p.Target))
 		}
 	}
 	ks.Spec.Selector = buildSelector(name, s)
@@ -217,7 +209,9 @@ func generateServicesAndIngresses(name string, s *compose.Service) []interface{}
 		logger.Magenta(ICON_SERVICE+" Generating service for ", name+"-external")
 		ks := helm.NewService(name + "-external")
 		ks.Spec.Type = "NodePort"
-		for _, p := range s.Expose {
+		for _, expose := range s.Expose {
+
+			p, _ := strconv.Atoi(expose)
 			ks.Spec.Ports = append(ks.Spec.Ports, helm.NewServicePort(p, p))
 		}
 		ks.Spec.Selector = buildSelector(name, s)
@@ -228,7 +222,7 @@ func generateServicesAndIngresses(name string, s *compose.Service) []interface{}
 }
 
 // Create an ingress.
-func createIngress(name string, port int, s *compose.Service) *helm.Ingress {
+func createIngress(name string, port int, s types.ServiceConfig) *helm.Ingress {
 	ingress := helm.NewIngress(name)
 	Values[name]["ingress"] = map[string]interface{}{
 		"class":   "nginx",
@@ -303,7 +297,7 @@ func waitPort(name string) chan int {
 }
 
 // Build the selector for the service.
-func buildSelector(name string, s *compose.Service) map[string]string {
+func buildSelector(name string, s types.ServiceConfig) map[string]string {
 	return map[string]string{
 		"katenary.io/component": name,
 		"katenary.io/release":   RELEASE_NAME,
@@ -344,31 +338,28 @@ func buildCMFromPath(path string) *helm.ConfigMap {
 }
 
 // generateContainerPorts add the container ports of a service.
-func generateContainerPorts(s *compose.Service, name string, container *helm.Container) {
+func generateContainerPorts(s types.ServiceConfig, name string, container *helm.Container) {
 
 	exists := make(map[int]string)
 	for _, port := range s.Ports {
-		_p := strings.Split(port, ":")
-		port = _p[0]
-		if len(_p) > 1 {
-			port = _p[1]
-		}
-		portNumber, _ := strconv.Atoi(port)
 		portName := name
 		for _, n := range exists {
 			if name == n {
-				portName = fmt.Sprintf("%s-%d", name, portNumber)
+				portName = fmt.Sprintf("%s-%d", name, port.Target)
 			}
 		}
 		container.Ports = append(container.Ports, &helm.ContainerPort{
 			Name:          portName,
-			ContainerPort: portNumber,
+			ContainerPort: int(port.Target),
 		})
-		exists[portNumber] = name
+		exists[int(port.Target)] = name
 	}
 
 	// manage the "expose" section to be a NodePort in Kubernetes
-	for _, port := range s.Expose {
+	for _, expose := range s.Expose {
+
+		port, _ := strconv.Atoi(expose)
+
 		if _, exist := exists[port]; exist {
 			continue
 		}
@@ -380,7 +371,7 @@ func generateContainerPorts(s *compose.Service, name string, container *helm.Con
 }
 
 // prepareVolumes add the volumes of a service.
-func prepareVolumes(deployment, name string, s *compose.Service, container *helm.Container, madePVC map[string]bool, ret chan interface{}) []map[string]interface{} {
+func prepareVolumes(deployment, name string, s types.ServiceConfig, container *helm.Container, madePVC map[string]bool, ret chan interface{}) []map[string]interface{} {
 
 	volumes := make([]map[string]interface{}, 0)
 	mountPoints := make([]interface{}, 0)
@@ -389,16 +380,10 @@ func prepareVolumes(deployment, name string, s *compose.Service, container *helm
 		configMapsVolumes = strings.Split(v, ",")
 	}
 
-	for _, volume := range s.Volumes {
+	for _, vol := range s.Volumes {
 
-		parts := strings.Split(volume, ":")
-		if len(parts) == 1 {
-			// this is a volume declaration for Docker only, avoid it
-			continue
-		}
-
-		volname := parts[0]
-		volepath := parts[1]
+		volname := vol.Source
+		volepath := vol.Target
 
 		isCM := false
 		for _, cmVol := range configMapsVolumes {
@@ -511,12 +496,12 @@ func prepareVolumes(deployment, name string, s *compose.Service, container *helm
 }
 
 // prepareInitContainers add the init containers of a service.
-func prepareInitContainers(name string, s *compose.Service, container *helm.Container) []*helm.Container {
+func prepareInitContainers(name string, s types.ServiceConfig, container *helm.Container) []*helm.Container {
 
 	// We need to detect others services, but we probably not have parsed them yet, so
 	// we will wait for them for a while.
 	initContainers := make([]*helm.Container, 0)
-	for _, dp := range s.DependsOn {
+	for dp, _ := range s.DependsOn {
 		c := helm.NewContainer("check-"+dp, "busybox", nil, s.Labels)
 		command := strings.ReplaceAll(strings.TrimSpace(dependScript), "__service__", dp)
 
@@ -549,79 +534,12 @@ func prepareInitContainers(name string, s *compose.Service, container *helm.Cont
 }
 
 // prepareProbes generate http/tcp/command probes for a service.
-func prepareProbes(name string, s *compose.Service, container *helm.Container) {
+func prepareProbes(name string, s types.ServiceConfig, container *helm.Container) {
 
-	// manage the healthcheck property, if any
-	if s.HealthCheck != nil {
-		if s.HealthCheck.Interval == "" {
-			s.HealthCheck.Interval = "10s"
-		}
-		interval, err := time.ParseDuration(s.HealthCheck.Interval)
-
-		if err != nil {
-			log.Fatal(err)
-		}
-		if s.HealthCheck.StartPeriod == "" {
-			s.HealthCheck.StartPeriod = "0s"
-		}
-
-		initialDelaySeconds, err := time.ParseDuration(s.HealthCheck.StartPeriod)
-		if err != nil {
-			log.Fatal(err)
-		}
-
-		probe := helm.NewProbe(int(interval.Seconds()), int(initialDelaySeconds.Seconds()), 1, s.HealthCheck.Retries)
-
-		healthCheckLabel := s.Labels[helm.LABEL_HEALTHCHECK]
-
-		if healthCheckLabel != "" {
-
-			path := "/"
-			port := 80
-
-			u, err := url.Parse(healthCheckLabel)
-			if err == nil {
-				path = u.Path
-				port, _ = strconv.Atoi(u.Port())
-			} else {
-				path = "/"
-				port = 80
-			}
-
-			if strings.HasPrefix(healthCheckLabel, "http://") {
-				probe.HttpGet = &helm.HttpGet{
-					Path: path,
-					Port: port,
-				}
-			} else if strings.HasPrefix(healthCheckLabel, "tcp://") {
-				if err != nil {
-					log.Fatal(err)
-				}
-				probe.TCP = &helm.TCP{
-					Port: port,
-				}
-			} else {
-				c, _ := shlex.Split(healthCheckLabel)
-				probe.Exec = &helm.Exec{
-
-					Command: c,
-				}
-			}
-		} else if s.HealthCheck.Test[0] == "CMD" || s.HealthCheck.Test[0] == "CMD-SHELL" {
-			probe.Exec = &helm.Exec{
-				Command: s.HealthCheck.Test[1:],
-			}
-		} else {
-			probe.Exec = &helm.Exec{
-				Command: s.HealthCheck.Test,
-			}
-		}
-		container.LivenessProbe = probe
-	}
 }
 
 // prepareEnvFromFiles generate configMap or secrets from environment files.
-func prepareEnvFromFiles(name string, s *compose.Service, container *helm.Container, ret chan interface{}) {
+func prepareEnvFromFiles(name string, s types.ServiceConfig, container *helm.Container, ret chan interface{}) {
 
 	// prepare secrets
 	secretsFiles := make([]string, 0)
@@ -630,7 +548,7 @@ func prepareEnvFromFiles(name string, s *compose.Service, container *helm.Contai
 	}
 
 	// manage environment files (env_file in compose)
-	for _, envfile := range s.EnvFiles {
+	for _, envfile := range s.EnvFile {
 		f := strings.ReplaceAll(envfile, "_", "-")
 		f = strings.ReplaceAll(f, ".env", "")
 		f = strings.ReplaceAll(f, ".", "")

generator/main_test.go

@@ -117,7 +117,8 @@ func TestCommand(t *testing.T) {
 	tmp, p := setUp(t)
 	defer os.RemoveAll(tmp)
 
-	for name := range p.Data.Services {
+	for _, service := range p.Data.Services {
+		name := service.Name
 		if name == "web2" {
 			// Ensure that the command is correctly set
 			// The command should be a string array
@@ -161,7 +162,8 @@ func TestEnvs(t *testing.T) {
 	tmp, p := setUp(t)
 	defer os.RemoveAll(tmp)
 
-	for name := range p.Data.Services {
+	for _, service := range p.Data.Services {
+		name := service.Name
 
 		if name == "php" {
 			// the "DB_HOST" environment variable inside the template must be set to '{{ .Release.Name }}-database'
@@ -197,7 +199,8 @@ func TestSamePod(t *testing.T) {
 	tmp, p := setUp(t)
 	defer os.RemoveAll(tmp)
 
-	for name, service := range p.Data.Services {
+	for _, service := range p.Data.Services {
+		name := service.Name
 		path := filepath.Join(tmp, "templates", name+".deployment.yaml")
 
 		if _, found := service.Labels[helm.LABEL_SAMEPOD]; found {
@@ -222,7 +225,8 @@ func TestPorts(t *testing.T) {
 	tmp, p := setUp(t)
 	defer os.RemoveAll(tmp)
 
-	for name, service := range p.Data.Services {
+	for _, service := range p.Data.Services {
+		name := service.Name
 		path := ""
 
 		// if the service has a port found in helm.LABEL_PORT or ports, so the service file should exist
@@ -249,7 +253,8 @@ func TestPVC(t *testing.T) {
 	tmp, p := setUp(t)
 	defer os.RemoveAll(tmp)
 
-	for name := range p.Data.Services {
+	for _, service := range p.Data.Services {
+		name := service.Name
 		path := filepath.Join(tmp, "templates", name+"-data.pvc.yaml")
 
 		// the "database" service should have a pvc file in templates (name-data.pvc.yaml)
@@ -269,7 +274,8 @@ func TestIngress(t *testing.T) {
 	tmp, p := setUp(t)
 	defer os.RemoveAll(tmp)
 
-	for name := range p.Data.Services {
+	for _, service := range p.Data.Services {
+		name := service.Name
 		path := filepath.Join(tmp, "templates", name+".ingress.yaml")
 
 		// the "web" service should have a ingress file in templates (name.ingress.yaml)
@@ -289,7 +295,8 @@ func TestUnmappedVolumes(t *testing.T) {
 	tmp, p := setUp(t)
 	defer os.RemoveAll(tmp)
 
-	for name := range p.Data.Services {
+	for _, service := range p.Data.Services {
+		name := service.Name
 		if name == "novol" {
 			path := filepath.Join(tmp, "templates", name+".deployment.yaml")
 			fp, _ := os.Open(path)
@@ -310,7 +317,8 @@ func TestEqualSignOnEnv(t *testing.T) {
 	defer os.RemoveAll(tmp)
 
 	// if the name is eqenv, the service should habe environment
-	for name, _ := range p.Data.Services {
+	for _, service := range p.Data.Services {
+		name := service.Name
 		if name == "eqenv" {
 			path := filepath.Join(tmp, "templates", name+".deployment.yaml")
 			fp, _ := os.Open(path)

generator/writer.go

@@ -10,6 +10,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/compose-spec/compose-go/types"
 	"gopkg.in/yaml.v3"
 )
 
@@ -32,13 +33,15 @@ func Generate(p *compose.Parser, katernayVersion, appName, appVersion, composeFi
 
 	// list avoided services
 	avoids := make(map[string]bool)
-	for n, service := range p.Data.Services {
+	for _, service := range p.Data.Services {
+		n := service.Name
 		if _, ok := service.Labels[helm.LABEL_SAMEPOD]; ok {
 			avoids[n] = true
 		}
 	}
 
-	for name, s := range p.Data.Services {
+	for _, s := range p.Data.Services {
+		name := s.Name
 
 		// Manage emptyDir volumes
 		if empty, ok := s.Labels[helm.LABEL_EMPTYDIRS]; ok {
@@ -49,11 +52,12 @@ func Generate(p *compose.Parser, katernayVersion, appName, appVersion, composeFi
 		}
 
 		// fetch corresponding service in "links"
-		linked := make(map[string]*compose.Service, 0)
+		linked := make(map[string]types.ServiceConfig, 0)
 		// find service linked to this one
-		for n, service := range p.Data.Services {
-			if _, ok := service.Labels[helm.LABEL_SAMEPOD]; ok {
-				if service.Labels[helm.LABEL_SAMEPOD] == name {
+		for _, service := range p.Data.Services {
+			n := service.Name
+			for _, label := range service.Labels {
+				if label == helm.LABEL_SAMEPOD {
 					linked[n] = service
 				}
 			}

go.mod

@@ -3,6 +3,7 @@ module katenary
 go 1.16
 
 require (
+	github.com/compose-spec/compose-go v1.2.2
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
 	github.com/kr/pretty v0.2.0 // indirect
 	github.com/spf13/cobra v1.4.0

go.sum

@@ -1,34 +1,191 @@
+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/Azure/azure-sdk-for-go v16.2.1+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
+github.com/Azure/go-autorest v10.8.1+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
+github.com/Shopify/logrus-bugsnag v0.0.0-20171204204709-577dee27f20d/go.mod h1:HI8ITrYtUY+O+ZhtlqUnD8+KwNPOyugEhfP9fdUIaEQ=
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/aws/aws-sdk-go v1.34.9/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZveU8YkpAk0=
+github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
+github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
+github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
+github.com/bitly/go-simplejson v0.5.0/go.mod h1:cXHtHw4XUPsvGaxgjIAn8PhEWG9NfngEKAMDJEczWVA=
+github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869/go.mod h1:Ekp36dRnpXw/yCqJaO+ZrUyxD+3VXMFFr56k5XYrpB4=
+github.com/bshuster-repo/logrus-logstash-hook v1.0.0/go.mod h1:zsTqEiSzDgAa/8GZR7E1qaXrhYNDKBYy5/dWPTIflbk=
+github.com/bugsnag/bugsnag-go v0.0.0-20141110184014-b1d153021fcd/go.mod h1:2oa8nejYd4cQ/b0hMIopN0lCRxU0bueqREvZLWFrtK8=
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 github.com/cpuguy83/go-md2man/v2 v2.0.1/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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helm/deployment.go

@@ -1,6 +1,10 @@
 package helm
 
-import "strings"
+import (
+	"strings"
+
+	"github.com/compose-spec/compose-go/types"
+)
 
 // Deployment is a k8s deployment.
 type Deployment struct {
@@ -82,7 +86,7 @@ func NewProbe(period, initialDelaySeconds, success, failure int) *Probe {
 	}
 }
 
-func NewContainer(name, image string, environment, labels map[string]string) *Container {
+func NewContainer(name, image string, environment types.MappingWithEquals, labels map[string]string) *Container {
 	container := &Container{
 		Image:   image,
 		Name:    name,
@@ -100,7 +104,7 @@ func NewContainer(name, image string, environment, labels map[string]string) *Co
 	for n, v := range environment {
 		for _, name := range toServices {
 			if name == n {
-				v = RELEASE_NAME + "-" + v
+				*v = RELEASE_NAME + "-" + *v
 			}
 		}
 		container.Env[idx] = Value{Name: n, Value: v}