Expose Update Handlers

Expose Update Handlers for Definition, Profile and Config Tmpl

Issue-ID: MULTICLOUD-1410
Signed-off-by: Lukasz Rajewski <lukasz.rajewski@orange.com>
Change-Id: Ibe6fe05458f2af28f3e1ca14a54492a4bae19362

10 files changed, 227 insertions, 26 deletions

diff --git a/src/k8splugin/api/api.go b/src/k8splugin/api/api.go
index ed23f392..a3e53dc8 100644
--- a/src/k8splugin/api/api.go
+++ b/src/k8splugin/api/api.go
@@ -104,6 +104,7 @@ func NewRouter(defClient rb.DefinitionManager,
 	resRouter.HandleFunc("/definition/{rbname}", defHandler.listVersionsHandler).Methods("GET")
 	resRouter.HandleFunc("/definition", defHandler.listAllHandler).Methods("GET")
 	resRouter.HandleFunc("/definition/{rbname}/{rbversion}", defHandler.getHandler).Methods("GET")
+	resRouter.HandleFunc("/definition/{rbname}/{rbversion}", defHandler.updateHandler).Methods("PUT")
 	resRouter.HandleFunc("/definition/{rbname}/{rbversion}", defHandler.deleteHandler).Methods("DELETE")
 
 	//Setup resource bundle profile routes
@@ -115,6 +116,7 @@ func NewRouter(defClient rb.DefinitionManager,
 	resRouter.HandleFunc("/definition/{rbname}/{rbversion}/profile", profileHandler.listHandler).Methods("GET")
 	resRouter.HandleFunc("/definition/{rbname}/{rbversion}/profile/{prname}/content", profileHandler.uploadHandler).Methods("POST")
 	resRouter.HandleFunc("/definition/{rbname}/{rbversion}/profile/{prname}", profileHandler.getHandler).Methods("GET")
+	resRouter.HandleFunc("/definition/{rbname}/{rbversion}/profile/{prname}", profileHandler.updateHandler).Methods("PUT")
 	resRouter.HandleFunc("/definition/{rbname}/{rbversion}/profile/{prname}", profileHandler.deleteHandler).Methods("DELETE")
 
 	// Config Template
@@ -126,6 +128,7 @@ func NewRouter(defClient rb.DefinitionManager,
 	resRouter.HandleFunc("/definition/{rbname}/{rbversion}/config-template", templateHandler.listHandler).Methods("GET")
 	resRouter.HandleFunc("/definition/{rbname}/{rbversion}/config-template/{tname}/content", templateHandler.uploadHandler).Methods("POST")
 	resRouter.HandleFunc("/definition/{rbname}/{rbversion}/config-template/{tname}", templateHandler.getHandler).Methods("GET")
+	resRouter.HandleFunc("/definition/{rbname}/{rbversion}/config-template/{tname}", templateHandler.updateHandler).Methods("PUT")
 	resRouter.HandleFunc("/definition/{rbname}/{rbversion}/config-template/{tname}", templateHandler.deleteHandler).Methods("DELETE")
 
 	// Config value
diff --git a/src/k8splugin/api/configtemplatehandler.go b/src/k8splugin/api/configtemplatehandler.go
index 0560c7ea..e8750fd8 100644
--- a/src/k8splugin/api/configtemplatehandler.go
+++ b/src/k8splugin/api/configtemplatehandler.go
@@ -59,7 +59,7 @@ func (h rbTemplateHandler) createHandler(w http.ResponseWriter, r *http.Request)
 		return
 	}
 
-	err = h.client.Create(rbName, rbVersion, p)
+	err = h.client.CreateOrUpdate(rbName, rbVersion, p, false)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
@@ -123,6 +123,57 @@ func (h rbTemplateHandler) getHandler(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
+// createHandler handles creation of the template entry in the database
+func (h rbTemplateHandler) updateHandler(w http.ResponseWriter, r *http.Request) {
+	var p rb.ConfigTemplate
+
+	vars := mux.Vars(r)
+	rbName := vars["rbname"]
+	rbVersion := vars["rbversion"]
+	templateName := vars["tname"]
+
+	err := json.NewDecoder(r.Body).Decode(&p)
+	switch {
+	case err == io.EOF:
+		http.Error(w, "Empty body", http.StatusBadRequest)
+		return
+	case err != nil:
+		http.Error(w, err.Error(), http.StatusUnprocessableEntity)
+		return
+	}
+
+	// Name is required.
+	if p.TemplateName == "" {
+		http.Error(w, "Missing name in POST request", http.StatusBadRequest)
+		return
+	}
+
+	ret, err := h.client.Get(rbName, rbVersion, templateName)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	if p.TemplateName != "" && p.TemplateName != ret.TemplateName {
+		http.Error(w, "Template name mismatch", http.StatusBadRequest)
+		return
+	}
+
+	err = h.client.CreateOrUpdate(rbName, rbVersion, p, true)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusCreated)
+	err = json.NewEncoder(w).Encode(p)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+}
+
 // getHandler handles GET operations on a particular template
 func (h rbTemplateHandler) listHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
diff --git a/src/k8splugin/api/defhandler.go b/src/k8splugin/api/defhandler.go
index 480d4be5..3dea8ade 100644
--- a/src/k8splugin/api/defhandler.go
+++ b/src/k8splugin/api/defhandler.go
@@ -35,7 +35,7 @@ type rbDefinitionHandler struct {
 	client rb.DefinitionManager
 }
 
-// createHandler handles creation of the definition entry in the database
+// createOrUpdateHandler handles creation of the definition entry in the database
 func (h rbDefinitionHandler) createHandler(w http.ResponseWriter, r *http.Request) {
 	var v rb.Definition
 
@@ -48,20 +48,64 @@ func (h rbDefinitionHandler) createHandler(w http.ResponseWriter, r *http.Reques
 		http.Error(w, err.Error(), http.StatusUnprocessableEntity)
 		return
 	}
+	h.createOrUpdateHandler(v, w, false)
+}
+
+// createOrUpdateHandler handles creation of the definition entry in the database
+func (h rbDefinitionHandler) updateHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	name := vars["rbname"]
+	version := vars["rbversion"]
+
+	var v rb.Definition
 
+	err := json.NewDecoder(r.Body).Decode(&v)
+	switch {
+	case err == io.EOF:
+		http.Error(w, "Empty body", http.StatusBadRequest)
+		return
+	case err != nil:
+		http.Error(w, err.Error(), http.StatusUnprocessableEntity)
+		return
+	}
+
+	if v.RBVersion != "" && v.RBVersion != version {
+		http.Error(w, "RB version mismatch", http.StatusBadRequest)
+		return
+	}
+
+	if v.RBName != "" && v.RBName != name {
+		http.Error(w, "RB name mismatch", http.StatusBadRequest)
+		return
+	}
+
+	v.RBVersion = version
+	v.RBName = name
+
+	h.createOrUpdateHandler(v, w, true)
+}
+
+// createOrUpdateHandler handles creation of the definition entry in the database
+func (h rbDefinitionHandler) createOrUpdateHandler(v rb.Definition, w http.ResponseWriter, update bool) {
 	// Name is required.
 	if v.RBName == "" {
-		http.Error(w, "Missing name in POST request", http.StatusBadRequest)
+		http.Error(w, "Missing name in request", http.StatusBadRequest)
 		return
 	}
 
 	// Version is required.
 	if v.RBVersion == "" {
-		http.Error(w, "Missing version in POST request", http.StatusBadRequest)
+		http.Error(w, "Missing version in request", http.StatusBadRequest)
 		return
 	}
 
-	ret, err := h.client.Create(v)
+	var ret rb.Definition
+	var err error
+	if update {
+		ret, err = h.client.Update(v)
+	} else {
+		ret, err = h.client.Create(v)
+	}
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
diff --git a/src/k8splugin/api/profilehandler.go b/src/k8splugin/api/profilehandler.go
index acd23060..1babc4ae 100644
--- a/src/k8splugin/api/profilehandler.go
+++ b/src/k8splugin/api/profilehandler.go
@@ -56,7 +56,7 @@ func (h rbProfileHandler) createHandler(w http.ResponseWriter, r *http.Request)
 		return
 	}
 
-	ret, err := h.client.Create(p)
+	ret, err := h.client.CreateOrUpdate(p, false)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
@@ -127,6 +127,68 @@ func (h rbProfileHandler) getHandler(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
+// updateHandler updates Profile Key in the database
+// Returns an rb.Profile
+func (h rbProfileHandler) updateHandler(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	rbName := vars["rbname"]
+	rbVersion := vars["rbversion"]
+	prName := vars["prname"]
+
+	ret, err := h.client.Get(rbName, rbVersion, prName)
+	if err != nil {
+		// Separate "Not found" from generic DB errors
+		if strings.Contains(err.Error(), "Error finding") {
+			http.Error(w, err.Error(), http.StatusNotFound)
+			return
+		} else {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	}
+
+	var p rb.Profile
+
+	err = json.NewDecoder(r.Body).Decode(&p)
+	switch {
+	case err == io.EOF:
+		http.Error(w, "Empty body", http.StatusBadRequest)
+		return
+	case err != nil:
+		http.Error(w, err.Error(), http.StatusUnprocessableEntity)
+		return
+	}
+
+	if p.ProfileName != "" && p.ProfileName != ret.ProfileName {
+		http.Error(w, "Profile name mismatch", http.StatusBadRequest)
+		return
+	}
+
+	if p.RBVersion != "" && p.RBVersion != ret.RBVersion {
+		http.Error(w, "RB version mismatch", http.StatusBadRequest)
+		return
+	}
+
+	if p.RBName != "" && p.RBName != ret.RBName {
+		http.Error(w, "RB name mismatch", http.StatusBadRequest)
+		return
+	}
+
+	p.ProfileName = ret.ProfileName
+	p.RBVersion = ret.RBVersion
+	p.RBName = ret.RBName
+
+	ret, err = h.client.CreateOrUpdate(p, true)
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusOK)
+	err = json.NewEncoder(w).Encode(ret)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+}
+
 // getHandler gets all profiles of a Resource Bundle Key in the database
 // Returns a list of rb.Profile
 func (h rbProfileHandler) listHandler(w http.ResponseWriter, r *http.Request) {
diff --git a/src/k8splugin/api/profilehandler_test.go b/src/k8splugin/api/profilehandler_test.go
index 32d0061f..181b775b 100644
--- a/src/k8splugin/api/profilehandler_test.go
+++ b/src/k8splugin/api/profilehandler_test.go
@@ -42,7 +42,7 @@ type mockRBProfile struct {
 	Err   error
 }
 
-func (m *mockRBProfile) Create(inp rb.Profile) (rb.Profile, error) {
+func (m *mockRBProfile) CreateOrUpdate(inp rb.Profile, update bool) (rb.Profile, error) {
 	if m.Err != nil {
 		return rb.Profile{}, m.Err
 	}
diff --git a/src/k8splugin/internal/rb/config_template.go b/src/k8splugin/internal/rb/config_template.go
index b84b6461..97fe0fb4 100644
--- a/src/k8splugin/internal/rb/config_template.go
+++ b/src/k8splugin/internal/rb/config_template.go
@@ -41,7 +41,7 @@ type ConfigTemplate struct {
 
 // ConfigTemplateManager is an interface exposes the resource bundle  ConfigTemplate functionality
 type ConfigTemplateManager interface {
-	Create(rbName, rbVersion string, p ConfigTemplate) error
+	CreateOrUpdate(rbName, rbVersion string, p ConfigTemplate, update bool) error
 	Get(rbName, rbVersion, templateName string) (ConfigTemplate, error)
 	List(rbName, rbVersion string) ([]ConfigTemplate, error)
 	Delete(rbName, rbVersion, templateName string) error
@@ -84,8 +84,8 @@ func NewConfigTemplateClient() *ConfigTemplateClient {
 	}
 }
 
-// Create an entry for the resource bundle  ConfigTemplate in the database
-func (v *ConfigTemplateClient) Create(rbName, rbVersion string, p ConfigTemplate) error {
+// CreateOrUpdate an entry for the resource bundle  ConfigTemplate in the database
+func (v *ConfigTemplateClient) CreateOrUpdate(rbName, rbVersion string, p ConfigTemplate, update bool) error {
 
 	log.Printf("[ConfigiTemplate]: create %s", rbName)
 	// Name is required
@@ -95,9 +95,12 @@ func (v *ConfigTemplateClient) Create(rbName, rbVersion string, p ConfigTemplate
 
 	//Check if  ConfigTemplate already exists
 	_, err := v.Get(rbName, rbVersion, p.TemplateName)
-	if err == nil {
+	if err == nil && !update {
 		return pkgerrors.New(" ConfigTemplate already exists for this Definition")
 	}
+	if err != nil && update {
+		return pkgerrors.New(" ConfigTemplate does not exist for this Definition")
+	}
 
 	//Check if provided resource bundle information is valid
 	_, err = NewDefinitionClient().Get(rbName, rbVersion)
@@ -111,9 +114,16 @@ func (v *ConfigTemplateClient) Create(rbName, rbVersion string, p ConfigTemplate
 		TemplateName: p.TemplateName,
 	}
 
-	err = db.DBconn.Create(v.storeName, key, v.tagMeta, p)
-	if err != nil {
-		return pkgerrors.Wrap(err, "Creating  ConfigTemplate DB Entry")
+	if update {
+		err = db.DBconn.Update(v.storeName, key, v.tagMeta, p)
+		if err != nil {
+			return pkgerrors.Wrap(err, "Updating  ConfigTemplate DB Entry")
+		}
+	} else {
+		err = db.DBconn.Create(v.storeName, key, v.tagMeta, p)
+		if err != nil {
+			return pkgerrors.Wrap(err, "Creating  ConfigTemplate DB Entry")
+		}
 	}
 
 	return nil
diff --git a/src/k8splugin/internal/rb/definition.go b/src/k8splugin/internal/rb/definition.go
index 73ea44da..aa76afaa 100644
--- a/src/k8splugin/internal/rb/definition.go
+++ b/src/k8splugin/internal/rb/definition.go
@@ -61,6 +61,7 @@ func (dk DefinitionKey) String() string {
 // DefinitionManager is an interface exposes the resource bundle definition functionality
 type DefinitionManager interface {
 	Create(def Definition) (Definition, error)
+	Update(def Definition) (Definition, error)
 	List(name string) ([]Definition, error)
 	Get(name string, version string) (Definition, error)
 	Delete(name string, version string) error
@@ -104,13 +105,13 @@ func (v *DefinitionClient) Create(def Definition) (Definition, error) {
 
 	// Create a default profile automatically
 	prc := NewProfileClient()
-	pr, err := prc.Create(Profile{
+	pr, err := prc.CreateOrUpdate(Profile{
 		RBName:      def.RBName,
 		RBVersion:   def.RBVersion,
 		ProfileName: "default",
 		Namespace:   "default",
 		ReleaseName: "default",
-	})
+	}, false)
 
 	if err != nil {
 		logutils.Error("Create Default Profile", logutils.Fields{
@@ -139,6 +140,26 @@ func (v *DefinitionClient) Create(def Definition) (Definition, error) {
 	return def, nil
 }
 
+// Update an entry for the resource in the database`
+func (v *DefinitionClient) Update(def Definition) (Definition, error) {
+
+	//Construct composite key consisting of name and version
+	key := DefinitionKey{RBName: def.RBName, RBVersion: def.RBVersion}
+
+	//Check if this definition already exists
+	_, err := v.Get(def.RBName, def.RBVersion)
+	if err != nil {
+		return Definition{}, pkgerrors.New("Definition does not exists")
+	}
+
+	err = db.DBconn.Update(v.storeName, key, v.tagMeta, def)
+	if err != nil {
+		return Definition{}, pkgerrors.Wrap(err, "Updating DB Entry")
+	}
+
+	return def, nil
+}
+
 // List all resource entry's versions in the database
 func (v *DefinitionClient) List(name string) ([]Definition, error) {
 	res, err := db.DBconn.ReadAll(v.storeName, v.tagMeta)
diff --git a/src/k8splugin/internal/rb/definition_test.go b/src/k8splugin/internal/rb/definition_test.go
index 0140b459..42fb5374 100644
--- a/src/k8splugin/internal/rb/definition_test.go
+++ b/src/k8splugin/internal/rb/definition_test.go
@@ -18,12 +18,13 @@ package rb
 
 import (
 	"bytes"
-	"github.com/onap/multicloud-k8s/src/k8splugin/internal/db"
 	"reflect"
 	"sort"
 	"strings"
 	"testing"
 
+	"github.com/onap/multicloud-k8s/src/k8splugin/internal/db"
+
 	pkgerrors "github.com/pkg/errors"
 )
 
diff --git a/src/k8splugin/internal/rb/profile.go b/src/k8splugin/internal/rb/profile.go
index 78023e59..77398580 100644
--- a/src/k8splugin/internal/rb/profile.go
+++ b/src/k8splugin/internal/rb/profile.go
@@ -46,7 +46,7 @@ type Profile struct {
 
 // ProfileManager is an interface exposes the resource bundle profile functionality
 type ProfileManager interface {
-	Create(def Profile) (Profile, error)
+	CreateOrUpdate(def Profile, update bool) (Profile, error)
 	Get(rbName, rbVersion, prName string) (Profile, error)
 	List(rbName, rbVersion string) ([]Profile, error)
 	Delete(rbName, rbVersion, prName string) error
@@ -89,8 +89,8 @@ func NewProfileClient() *ProfileClient {
 	}
 }
 
-// Create an entry for the resource bundle profile in the database
-func (v *ProfileClient) Create(p Profile) (Profile, error) {
+// CreateOrUpdate an entry for the resource bundle profile in the database
+func (v *ProfileClient) CreateOrUpdate(p Profile, update bool) (Profile, error) {
 
 	// Name is required
 	if p.ProfileName == "" {
@@ -99,10 +99,12 @@ func (v *ProfileClient) Create(p Profile) (Profile, error) {
 
 	//Check if profile already exists
 	_, err := v.Get(p.RBName, p.RBVersion, p.ProfileName)
-	if err == nil {
+	if err == nil && !update {
 		return Profile{}, pkgerrors.New("Profile already exists for this Definition")
 	}
-
+	if err != nil && update {
+		return Profile{}, pkgerrors.New("Profile does not exists for this Definition")
+	}
 	//Check if provided resource bundle information is valid
 	_, err = NewDefinitionClient().Get(p.RBName, p.RBVersion)
 	if err != nil {
@@ -120,9 +122,16 @@ func (v *ProfileClient) Create(p Profile) (Profile, error) {
 		ProfileName: p.ProfileName,
 	}
 
-	err = db.DBconn.Create(v.storeName, key, v.tagMeta, p)
-	if err != nil {
-		return Profile{}, pkgerrors.Wrap(err, "Creating Profile DB Entry")
+	if update {
+		err = db.DBconn.Update(v.storeName, key, v.tagMeta, p)
+		if err != nil {
+			return Profile{}, pkgerrors.Wrap(err, "Updating Profile DB Entry")
+		}
+	} else {
+		err = db.DBconn.Create(v.storeName, key, v.tagMeta, p)
+		if err != nil {
+			return Profile{}, pkgerrors.Wrap(err, "Creating Profile DB Entry")
+		}
 	}
 
 	return p, nil
diff --git a/src/k8splugin/internal/rb/profile_test.go b/src/k8splugin/internal/rb/profile_test.go
index 2a9dc4fd..e52897ce 100644
--- a/src/k8splugin/internal/rb/profile_test.go
+++ b/src/k8splugin/internal/rb/profile_test.go
@@ -105,7 +105,7 @@ func TestCreateProfile(t *testing.T) {
 		t.Run(testCase.label, func(t *testing.T) {
 			db.DBconn = testCase.mockdb
 			impl := NewProfileClient()
-			got, err := impl.Create(testCase.inp)
+			got, err := impl.CreateOrUpdate(testCase.inp, false)
 			if err != nil {
 				if testCase.expectedError == "" {
 					t.Fatalf("Create returned an unexpected error %s", err)