feat(go): add support for google workspace idp;

pro/idp/google/google.go

@@ -1,19 +1,69 @@
 package google
 
-import "github.com/gravitl/netmaker/pro/idp"
+import (
+	"context"
+	"github.com/gravitl/netmaker/pro/idp"
+	admindir "google.golang.org/api/admin/directory/v1"
+	"google.golang.org/api/option"
+)
 
-type Client struct{}
+type Client struct {
+	service *admindir.Service
+}
 
 func NewGoogleWorkspaceClient() (*Client, error) {
-	return &Client{}, nil
+	service, err := admindir.NewService(context.TODO(), option.WithCredentialsFile("credentials.json"))
+	if err != nil {
+		return nil, err
+	}
+
+	return &Client{
+		service: service,
+	}, nil
 }
 
 func (g *Client) GetUsers() ([]idp.User, error) {
-	//TODO implement me
-	panic("implement me")
+	resp, err := g.service.Users.List().Fields("id", "primaryEmail", "suspended").Do()
+	if err != nil {
+		return nil, err
+	}
+
+	retval := make([]idp.User, len(resp.Users))
+	for i, user := range resp.Users {
+		retval[i] = idp.User{
+			ID:              user.Id,
+			Username:        user.PrimaryEmail,
+			AccountDisabled: user.Suspended,
+		}
+	}
+
+	return retval, nil
 }
 
 func (g *Client) GetGroups() ([]idp.Group, error) {
-	//TODO implement me
-	panic("implement me")
+	resp, err := g.service.Groups.List().Fields("id", "name").Do()
+	if err != nil {
+		return nil, err
+	}
+
+	retval := make([]idp.Group, len(resp.Groups))
+	for i, group := range resp.Groups {
+		members, err := g.service.Members.List(group.Id).Fields("id").Do()
+		if err != nil {
+			return nil, err
+		}
+
+		retvalMembers := make([]string, len(members.Members))
+		for j, member := range members.Members {
+			retvalMembers[j] = member.Id
+		}
+
+		retval[i] = idp.Group{
+			ID:      group.Id,
+			Name:    group.Name,
+			Members: retvalMembers,
+		}
+	}
+
+	return retval, nil
 }