feat(refacto): move everything in internal package

This allows to install katenary with `go install` and to clean up the
project folder.

internal/generator/values.go

@@ -0,0 +1,123 @@
+package generator
+
+import (
+	"strings"
+
+	"github.com/compose-spec/compose-go/types"
+)
+
+// RepositoryValue is a docker repository image and tag that will be saved in values.yaml.
+type RepositoryValue struct {
+	Image string `yaml:"image"`
+	Tag   string `yaml:"tag"`
+}
+
+// PersistenceValue is a persistence configuration that will be saved in values.yaml.
+type PersistenceValue struct {
+	StorageClass string   `yaml:"storageClass"`
+	Size         string   `yaml:"size"`
+	AccessMode   []string `yaml:"accessMode"`
+	Enabled      bool     `yaml:"enabled"`
+}
+
+type TLS struct {
+	Enabled    bool   `yaml:"enabled"`
+	SecretName string `yaml:"secretName"`
+}
+
+// IngressValue is a ingress configuration that will be saved in values.yaml.
+type IngressValue struct {
+	Annotations map[string]string `yaml:"annotations"`
+	Host        string            `yaml:"host"`
+	Path        string            `yaml:"path"`
+	Class       string            `yaml:"class"`
+	Enabled     bool              `yaml:"enabled"`
+	TLS         TLS               `yaml:"tls"`
+}
+
+// Value will be saved in values.yaml. It contains configuration for all deployment and services.
+type Value struct {
+	Repository      *RepositoryValue             `yaml:"repository,omitempty"`
+	Persistence     map[string]*PersistenceValue `yaml:"persistence,omitempty"`
+	Ingress         *IngressValue                `yaml:"ingress,omitempty"`
+	Environment     map[string]any               `yaml:"environment,omitempty"`
+	Replicas        *uint32                      `yaml:"replicas,omitempty"`
+	CronJob         *CronJobValue                `yaml:"cronjob,omitempty"`
+	NodeSelector    map[string]string            `yaml:"nodeSelector"`
+	Resources       map[string]any               `yaml:"resources"`
+	ImagePullPolicy string                       `yaml:"imagePullPolicy,omitempty"`
+	ServiceAccount  string                       `yaml:"serviceAccount"`
+}
+
+// NewValue creates a new Value from a compose service.
+// The value contains the necessary information to deploy the service (image, tag, replicas, etc.).
+//
+// If `main` is true, the tag will be empty because
+// it will be set in the helm chart appVersion.
+func NewValue(service types.ServiceConfig, main ...bool) *Value {
+	replicas := uint32(1)
+	v := &Value{
+		Replicas: &replicas,
+	}
+
+	// find the image tag
+	tag := ""
+
+	split := strings.Split(service.Image, ":")
+	if len(split) == 1 {
+		v.Repository = &RepositoryValue{
+			Image: service.Image,
+		}
+	} else {
+		v.Repository = &RepositoryValue{
+			Image: strings.Join(split[:len(split)-1], ":"),
+		}
+	}
+
+	// for main service, the tag should the appVersion. So here we set it to empty.
+	if len(main) > 0 && !main[0] {
+		if len(split) > 1 {
+			tag = split[len(split)-1]
+		}
+		v.Repository.Tag = tag
+	} else {
+		v.Repository.Tag = ""
+	}
+
+	return v
+}
+
+func (v *Value) AddIngress(host, path string) {
+	v.Ingress = &IngressValue{
+		Enabled: true,
+		Host:    host,
+		Path:    path,
+		Class:   "-",
+		TLS: TLS{
+			Enabled:    true,
+			SecretName: "",
+		},
+	}
+}
+
+// AddPersistence adds persistence configuration to the Value.
+func (v *Value) AddPersistence(volumeName string) {
+	volumeName = strings.ReplaceAll(volumeName, "-", "_")
+	if v.Persistence == nil {
+		v.Persistence = make(map[string]*PersistenceValue, 0)
+	}
+	v.Persistence[volumeName] = &PersistenceValue{
+		Enabled:      true,
+		StorageClass: "-",
+		Size:         "1Gi",
+		AccessMode:   []string{"ReadWriteOnce"},
+	}
+}
+
+// CronJobValue is a cronjob configuration that will be saved in values.yaml.
+type CronJobValue struct {
+	Repository      *RepositoryValue `yaml:"repository,omitempty"`
+	Environment     map[string]any   `yaml:"environment,omitempty"`
+	ImagePullPolicy string           `yaml:"imagePullPolicy,omitempty"`
+	Schedule        string           `yaml:"schedule"`
+}