Add API support to handle App Profiles

Add support for profiles per App under
composite profiles.  See:
https://wiki.onap.org/display/DW/V2+API+Specification#V2APISpecification-Addingprofileperapplication

Issue-ID: MULTICLOUD-997
Signed-off-by: Eric Multanen <eric.w.multanen@intel.com>
Change-Id: I8569066d903327d640e315d0de835605ca1779c0

2 files changed, 298 insertions, 0 deletions

diff --git a/src/orchestrator/pkg/module/app_profile.go b/src/orchestrator/pkg/module/app_profile.go
new file mode 100644
index 00000000..77835fb4
--- /dev/null
+++ b/src/orchestrator/pkg/module/app_profile.go
@@ -0,0 +1,296 @@
+/*
+ * Copyright 2020 Intel Corporation, Inc
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package module
+
+import (
+	"github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/db"
+
+	pkgerrors "github.com/pkg/errors"
+)
+
+// AppProfile contains the parameters needed for AppProfiles
+// It implements the interface for managing the AppProfiles
+type AppProfile struct {
+	Metadata AppProfileMetadata `json:"metadata"`
+	Spec     AppProfileSpec     `json:"spec"`
+}
+
+type AppProfileContent struct {
+	Profile string `json:"profile"`
+}
+
+// AppProfileMetadata contains the metadata for AppProfiles
+type AppProfileMetadata struct {
+	Name        string `json:"name"`
+	Description string `json:"description"`
+	UserData1   string `json:"userData1"`
+	UserData2   string `json:"userData2"`
+}
+
+// AppProfileSpec contains the Spec for AppProfiles
+type AppProfileSpec struct {
+	AppName string `json:"app-name"`
+}
+
+// AppProfileKey is the key structure that is used in the database
+type AppProfileKey struct {
+	Project             string `json:"project"`
+	CompositeApp        string `json:"compositeapp"`
+	CompositeAppVersion string `json:"compositeappversion"`
+	CompositeProfile    string `json:"compositeprofile"`
+	Profile             string `json:"profile"`
+}
+
+type AppProfileQueryKey struct {
+	AppName string `json:"app-name"`
+}
+
+type AppProfileFindByAppKey struct {
+	Project             string `json:"project"`
+	CompositeApp        string `json:"compositeapp"`
+	CompositeAppVersion string `json:"compositeappversion"`
+	CompositeProfile    string `json:"compositeprofile"`
+	AppName             string `json:"app-name"`
+}
+
+// AppProfileManager exposes the AppProfile functionality
+type AppProfileManager interface {
+	CreateAppProfile(provider, compositeApp, compositeAppVersion, compositeProfile string, ap AppProfile, ac AppProfileContent) (AppProfile, error)
+	GetAppProfile(project, compositeApp, compositeAppVersion, compositeProfile, profile string) (AppProfile, error)
+	GetAppProfiles(project, compositeApp, compositeAppVersion, compositeProfile string) ([]AppProfile, error)
+	GetAppProfileByApp(project, compositeApp, compositeAppVersion, compositeProfile, appName string) (AppProfile, error)
+	GetAppProfileContent(project, compositeApp, compositeAppVersion, compositeProfile, profile string) (AppProfileContent, error)
+	GetAppProfileContentByApp(project, compositeApp, compositeAppVersion, compositeProfile, appName string) (AppProfileContent, error)
+	DeleteAppProfile(project, compositeApp, compositeAppVersion, compositeProfile, profile string) error
+}
+
+// AppProfileClient implements the Manager
+// It will also be used to maintain some localized state
+type AppProfileClient struct {
+	storeName  string
+	tagMeta    string
+	tagContent string
+}
+
+// NewAppProfileClient returns an instance of the AppProfileClient
+// which implements the Manager
+func NewAppProfileClient() *AppProfileClient {
+	return &AppProfileClient{
+		storeName:  "orchestrator",
+		tagMeta:    "profilemetadata",
+		tagContent: "profilecontent",
+	}
+}
+
+// CreateAppProfile creates an entry for AppProfile in the database.
+func (c *AppProfileClient) CreateAppProfile(project, compositeApp, compositeAppVersion, compositeProfile string, ap AppProfile, ac AppProfileContent) (AppProfile, error) {
+	key := AppProfileKey{
+		Project:             project,
+		CompositeApp:        compositeApp,
+		CompositeAppVersion: compositeAppVersion,
+		CompositeProfile:    compositeProfile,
+		Profile:             ap.Metadata.Name,
+	}
+	qkey := AppProfileQueryKey{
+		AppName: ap.Spec.AppName,
+	}
+
+	res, err := c.GetAppProfile(project, compositeApp, compositeAppVersion, compositeProfile, ap.Metadata.Name)
+	if res != (AppProfile{}) {
+		return AppProfile{}, pkgerrors.New("AppProfile already exists")
+	}
+
+	res, err = c.GetAppProfileByApp(project, compositeApp, compositeAppVersion, compositeProfile, ap.Spec.AppName)
+	if res != (AppProfile{}) {
+		return AppProfile{}, pkgerrors.New("App already has an AppProfile")
+	}
+
+	//Check if composite profile exists (success assumes existance of all higher level 'parent' objects)
+	_, err = NewCompositeProfileClient().GetCompositeProfile(compositeProfile, project, compositeApp, compositeAppVersion)
+	if err != nil {
+		return AppProfile{}, pkgerrors.New("Unable to find the project")
+	}
+
+	// TODO: (after app api is ready) check that the app Spec.AppName exists as part of the composite app
+
+	err = db.DBconn.Insert(c.storeName, key, qkey, c.tagMeta, ap)
+	if err != nil {
+		return AppProfile{}, pkgerrors.Wrap(err, "Creating DB Entry")
+	}
+	err = db.DBconn.Insert(c.storeName, key, qkey, c.tagContent, ac)
+	if err != nil {
+		return AppProfile{}, pkgerrors.Wrap(err, "Creating DB Entry")
+	}
+
+	return ap, nil
+}
+
+// GetAppProfile - return specified App Profile
+func (c *AppProfileClient) GetAppProfile(project, compositeApp, compositeAppVersion, compositeProfile, profile string) (AppProfile, error) {
+	key := AppProfileKey{
+		Project:             project,
+		CompositeApp:        compositeApp,
+		CompositeAppVersion: compositeAppVersion,
+		CompositeProfile:    compositeProfile,
+		Profile:             profile,
+	}
+
+	value, err := db.DBconn.Find(c.storeName, key, c.tagMeta)
+	if err != nil {
+		return AppProfile{}, pkgerrors.Wrap(err, "Get App Profile error")
+	}
+
+	if value != nil {
+		ap := AppProfile{}
+		err = db.DBconn.Unmarshal(value[0], &ap)
+		if err != nil {
+			return AppProfile{}, pkgerrors.Wrap(err, "Unmarshalling AppProfile")
+		}
+		return ap, nil
+	}
+
+	return AppProfile{}, pkgerrors.New("Error getting AppProfile")
+
+}
+
+// GetAppProfile - return all App Profiles for given composite profile
+func (c *AppProfileClient) GetAppProfiles(project, compositeApp, compositeAppVersion, compositeProfile string) ([]AppProfile, error) {
+
+	key := AppProfileKey{
+		Project:             project,
+		CompositeApp:        compositeApp,
+		CompositeAppVersion: compositeAppVersion,
+		CompositeProfile:    compositeProfile,
+		Profile:             "",
+	}
+
+	var resp []AppProfile
+	values, err := db.DBconn.Find(c.storeName, key, c.tagMeta)
+	if err != nil {
+		return []AppProfile{}, pkgerrors.Wrap(err, "Get AppProfiles")
+	}
+
+	for _, value := range values {
+		ap := AppProfile{}
+		err = db.DBconn.Unmarshal(value, &ap)
+		if err != nil {
+			return []AppProfile{}, pkgerrors.Wrap(err, "Unmarshaling Value")
+		}
+		resp = append(resp, ap)
+	}
+
+	return resp, nil
+}
+
+// GetAppProfileByApp - return all App Profiles for given composite profile
+func (c *AppProfileClient) GetAppProfileByApp(project, compositeApp, compositeAppVersion, compositeProfile, appName string) (AppProfile, error) {
+
+	key := AppProfileFindByAppKey{
+		Project:             project,
+		CompositeApp:        compositeApp,
+		CompositeAppVersion: compositeAppVersion,
+		CompositeProfile:    compositeProfile,
+		AppName:             appName,
+	}
+
+	value, err := db.DBconn.Find(c.storeName, key, c.tagMeta)
+	if err != nil {
+		return AppProfile{}, pkgerrors.Wrap(err, "Get AppProfile by App")
+	}
+
+	if value != nil {
+		ap := AppProfile{}
+		err = db.DBconn.Unmarshal(value[0], &ap)
+		if err != nil {
+			return AppProfile{}, pkgerrors.Wrap(err, "Unmarshalling AppProfile")
+		}
+		return ap, nil
+	}
+
+	return AppProfile{}, pkgerrors.New("Error getting AppProfile by App")
+}
+
+func (c *AppProfileClient) GetAppProfileContent(project, compositeApp, compositeAppVersion, compositeProfile, profile string) (AppProfileContent, error) {
+	key := AppProfileKey{
+		Project:             project,
+		CompositeApp:        compositeApp,
+		CompositeAppVersion: compositeAppVersion,
+		CompositeProfile:    compositeProfile,
+		Profile:             profile,
+	}
+
+	value, err := db.DBconn.Find(c.storeName, key, c.tagContent)
+	if err != nil {
+		return AppProfileContent{}, pkgerrors.Wrap(err, "Get Cluster Content")
+	}
+
+	//value is a byte array
+	if value != nil {
+		ac := AppProfileContent{}
+		err = db.DBconn.Unmarshal(value[0], &ac)
+		if err != nil {
+			return AppProfileContent{}, pkgerrors.Wrap(err, "Unmarshaling Value")
+		}
+		return ac, nil
+	}
+
+	return AppProfileContent{}, pkgerrors.New("Error getting App Profile Content")
+}
+
+func (c *AppProfileClient) GetAppProfileContentByApp(project, compositeApp, compositeAppVersion, compositeProfile, appName string) (AppProfileContent, error) {
+	key := AppProfileFindByAppKey{
+		Project:             project,
+		CompositeApp:        compositeApp,
+		CompositeAppVersion: compositeAppVersion,
+		CompositeProfile:    compositeProfile,
+		AppName:             appName,
+	}
+
+	value, err := db.DBconn.Find(c.storeName, key, c.tagContent)
+	if err != nil {
+		return AppProfileContent{}, pkgerrors.Wrap(err, "Get Cluster Content")
+	}
+
+	//value is a byte array
+	if value != nil {
+		ac := AppProfileContent{}
+		err = db.DBconn.Unmarshal(value[0], &ac)
+		if err != nil {
+			return AppProfileContent{}, pkgerrors.Wrap(err, "Unmarshaling Value")
+		}
+		return ac, nil
+	}
+
+	return AppProfileContent{}, pkgerrors.New("Error getting App Profile Content")
+}
+
+// Delete AppProfile from the database
+func (c *AppProfileClient) DeleteAppProfile(project, compositeApp, compositeAppVersion, compositeProfile, profile string) error {
+	key := AppProfileKey{
+		Project:             project,
+		CompositeApp:        compositeApp,
+		CompositeAppVersion: compositeAppVersion,
+		CompositeProfile:    compositeProfile,
+		Profile:             profile,
+	}
+
+	err := db.DBconn.Remove(c.storeName, key)
+	if err != nil {
+		return pkgerrors.Wrap(err, "Delete AppProfile entry;")
+	}
+	return nil
+}
diff --git a/src/orchestrator/pkg/module/module.go b/src/orchestrator/pkg/module/module.go
index fb46b895..8f2948dd 100644
--- a/src/orchestrator/pkg/module/module.go
+++ b/src/orchestrator/pkg/module/module.go
@@ -27,6 +27,7 @@ type Client struct {
 	DeploymentIntentGroup  *DeploymentIntentGroupClient
 	Intent                 *IntentClient
 	CompositeProfile       *CompositeProfileClient
+	AppProfile             *AppProfileClient
 	// Add Clients for API's here
 }
 
@@ -42,6 +43,7 @@ func NewClient() *Client {
 	c.DeploymentIntentGroup = NewDeploymentIntentGroupClient()
 	c.Intent = NewIntentClient()
 	c.CompositeProfile = NewCompositeProfileClient()
+	c.AppProfile = NewAppProfileClient()
 	// Add Client API handlers here
 	return c
 }