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adminserver.go
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adminserver.go
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package web
import (
"context"
"errors"
"strings"
"github.com/opentracing/opentracing-go"
"github.com/razorpay/metro/internal/brokerstore"
"github.com/razorpay/metro/internal/credentials"
"github.com/razorpay/metro/internal/interceptors"
"github.com/razorpay/metro/internal/merror"
"github.com/razorpay/metro/internal/nodebinding"
"github.com/razorpay/metro/internal/project"
"github.com/razorpay/metro/internal/subscription"
"github.com/razorpay/metro/internal/topic"
"github.com/razorpay/metro/pkg/logger"
"github.com/razorpay/metro/pkg/messagebroker"
metrov1 "github.com/razorpay/metro/rpc/proto/v1"
"google.golang.org/protobuf/types/known/emptypb"
)
type adminServer struct {
admin *credentials.Model
projectCore project.ICore
subscriptionCore subscription.ICore
topicCore topic.ICore
credentialCore credentials.ICore
nodeBindingCore nodebinding.ICore
brokerStore brokerstore.IBrokerStore
}
func newAdminServer(admin *credentials.Model, projectCore project.ICore, subscriptionCore subscription.ICore, topicCore topic.ICore, credentialCore credentials.ICore, nodebindingCore nodebinding.ICore, brokerStore brokerstore.IBrokerStore) *adminServer {
return &adminServer{admin, projectCore, subscriptionCore, topicCore, credentialCore, nodebindingCore, brokerStore}
}
// CreateProject creates a new project
func (s adminServer) CreateProject(ctx context.Context, req *metrov1.Project) (*metrov1.Project, error) {
logger.Ctx(ctx).Infow("request received to create project", "id", req.ProjectId)
span, ctx := opentracing.StartSpanFromContext(ctx, "AdminServer.CreateProject")
defer span.Finish()
p, err := project.GetValidatedModelForCreate(ctx, req)
if err != nil {
return nil, merror.ToGRPCError(err)
}
err = s.projectCore.CreateProject(ctx, p)
if err != nil {
return nil, merror.ToGRPCError(err)
}
return req, nil
}
// DeleteProject creates a new project
func (s adminServer) DeleteProject(ctx context.Context, req *metrov1.Project) (*emptypb.Empty, error) {
logger.Ctx(ctx).Infow("request received to delete project", "id", req.ProjectId)
span, ctx := opentracing.StartSpanFromContext(ctx, "AdminServer.DeleteProject")
defer span.Finish()
p, err := project.GetValidatedModelForDelete(ctx, req)
if err != nil {
return nil, merror.ToGRPCError(err)
}
// Delete all subscriptions of the project first
err = s.subscriptionCore.DeleteProjectSubscriptions(ctx, p.ProjectID)
if err != nil {
return nil, merror.ToGRPCError(err)
}
// Delete all topics of the project
err = s.topicCore.DeleteProjectTopics(ctx, p.ProjectID)
if err != nil {
return nil, merror.ToGRPCError(err)
}
// Delete the project
err = s.projectCore.DeleteProject(ctx, p)
if err != nil {
return nil, merror.ToGRPCError(err)
}
return &emptypb.Empty{}, nil
}
// ModifyTopic modify an existing topic
func (s adminServer) ModifyTopic(ctx context.Context, req *metrov1.AdminTopic) (*emptypb.Empty, error) {
logger.Ctx(ctx).Infow("received admin request to modify topic",
"name", req.Name, "num_partitions", req.NumPartitions)
m, err := topic.GetValidatedTopicForAdminUpdate(ctx, req)
if err != nil {
return nil, merror.ToGRPCError(err)
}
// check for valid topic name
exists, eerr := s.topicCore.Exists(ctx, m.Key())
if eerr != nil {
return nil, merror.ToGRPCError(err)
}
if !exists {
return nil, merror.New(merror.NotFound, "topic not found")
}
admin, aerr := s.brokerStore.GetAdmin(ctx, messagebroker.AdminClientOptions{})
if aerr != nil {
return nil, merror.ToGRPCError(aerr)
}
// Fetch existing topic before updating
existingTopic, err := s.topicCore.Get(ctx, m.Name)
if err != nil {
return nil, merror.ToGRPCError(err)
}
if int(req.NumPartitions) != existingTopic.NumPartitions {
// modify topic partitions
_, terr := admin.AddTopicPartitions(ctx, messagebroker.AddTopicPartitionRequest{
Name: req.GetName(),
NumPartitions: m.NumPartitions,
})
if terr != nil {
return nil, merror.ToGRPCError(terr)
}
// finally update topic with the updated partition count
m.NumPartitions = int(req.NumPartitions)
if uerr := s.topicCore.UpdateTopic(ctx, m); uerr != nil {
return nil, merror.ToGRPCError(uerr)
}
err := s.subscriptionCore.RescaleSubTopics(ctx, m)
if err != nil {
return &emptypb.Empty{}, err
}
}
return &emptypb.Empty{}, nil
}
func (s adminServer) CreateProjectCredentials(ctx context.Context, req *metrov1.ProjectCredentials) (*metrov1.ProjectCredentials, error) {
logger.Ctx(ctx).Infow("received request to create new credentials", "projectID", req.ProjectId)
credential, err := credentials.GetValidatedModelForCreate(ctx, req)
if err != nil {
return nil, merror.ToGRPCError(err)
}
err = s.credentialCore.Create(ctx, credential)
if err != nil {
return nil, merror.ToGRPCError(err)
}
logger.Ctx(ctx).Infow("request to create new credentials completed", "projectID", req.ProjectId, "username", credential.GetUsername())
return &metrov1.ProjectCredentials{
ProjectId: credential.ProjectID,
Username: credential.GetUsername(),
Password: credential.GetPassword(),
}, nil
}
func (s adminServer) DeleteProjectCredentials(ctx context.Context, req *metrov1.ProjectCredentials) (*emptypb.Empty, error) {
logger.Ctx(ctx).Infow("received request to delete existing credentials", "projectID", req.ProjectId, "username", req.Username)
// validate the username provided
if !credentials.IsValidUsername(req.Username) {
return nil, merror.New(merror.InvalidArgument, "invalid username")
}
projectID := credentials.GetProjectIDFromUsername(req.Username)
// query existing credential
credential, err := s.credentialCore.Get(ctx, projectID, req.Username)
if err != nil {
return nil, merror.ToGRPCError(err)
}
// delete existing credential
err = s.credentialCore.Delete(ctx, credential)
if err != nil {
return nil, merror.ToGRPCError(err)
}
logger.Ctx(ctx).Infow("request to delete existing credentials completed", "projectID", req.ProjectId, "username", req.Username)
return &emptypb.Empty{}, nil
}
// get the ProjectCredentials for the given projectId and username
func (s adminServer) GetProjectCredentials(ctx context.Context, req *metrov1.ProjectCredentials) (*metrov1.ProjectCredentials, error) {
logger.Ctx(ctx).Infow("received request to get project credentials", "projectID", req.ProjectId, "username", req.Username)
credential, err := s.credentialCore.Get(ctx, req.ProjectId, req.Username)
if err != nil {
return nil, merror.ToGRPCError(err)
}
logger.Ctx(ctx).Infow("request to get credentials completed", "projectID", req.ProjectId, "username", req.Username)
return &metrov1.ProjectCredentials{
ProjectId: credential.ProjectID,
Username: credential.GetUsername(),
Password: credential.GetPassword(),
}, nil
}
// returns list of all the project credentials for the given projectId
func (s adminServer) ListProjectCredentials(ctx context.Context, req *metrov1.ProjectCredentials) (*metrov1.ProjectCredentialsList, error) {
logger.Ctx(ctx).Infow("received request to list project credentials", "projectID", req.ProjectId)
projectID := req.ProjectId
models, err := s.credentialCore.List(ctx, projectID)
if err != nil {
return nil, merror.ToGRPCError(err)
}
logger.Ctx(ctx).Infow("request to list credentials completed", "projectID", req.ProjectId)
var credentials []*metrov1.ProjectCredentials
for _, m := range models {
hiddenPwd, err := m.GetHiddenPassword()
if err != nil {
logger.Ctx(ctx).Errorw("error occurred in masking credentials", "errMsg", err.Error(), "projectID", m.ProjectID, "username", m.Username)
continue
}
credentials = append(credentials, &metrov1.ProjectCredentials{
ProjectId: m.ProjectID,
Username: m.GetUsername(),
Password: hiddenPwd,
})
}
return &metrov1.ProjectCredentialsList{
ProjectCredentials: credentials,
}, nil
}
func (s adminServer) MigrateSubscriptions(ctx context.Context, subscriptions *metrov1.Subscriptions) (*emptypb.Empty, error) {
logger.Ctx(ctx).Infow("received request to migrate subscriptions", "subscriptions", subscriptions.GetNames())
err := s.nodeBindingCore.TriggerNodeBindingRefresh(ctx)
if err != nil {
return &emptypb.Empty{}, err
}
// err := s.subscriptionCore.Migrate(ctx, subscriptions.GetNames())
// if err != nil {
// return nil, merror.ToGRPCError(err)
// }
// logger.Ctx(ctx).Infow("request to migrate subscriptions completed", "subscriptions", subscriptions.GetNames())
return &emptypb.Empty{}, nil
}
// normalizeTopicName returns the actual topic name used in message broker
func normalizeTopicName(name string) string {
return strings.ReplaceAll(name, "/", "_")
}
func (s adminServer) CleanupTopics(ctx context.Context, projects *metrov1.Projects) (*metrov1.Topics, error) {
logger.Ctx(ctx).Infow("received request to cleanup topics", "projects", projects.GetProjects())
tops := metrov1.Topics{}
validProjects, err := s.projectCore.ListKeys(ctx)
if err != nil {
logger.Ctx(ctx).Errorw("Failed to fetch projects list", "error", err.Error())
return &metrov1.Topics{}, err
}
validTopics := make(map[string]bool, 0)
for _, validProject := range validProjects {
projectName := strings.Split(validProject, "/")
if len(projectName) != 3 {
return &metrov1.Topics{}, errors.New("incompatible project name")
}
topics, err := s.topicCore.List(ctx, topic.Prefix+projectName[2])
if err != nil {
logger.Ctx(ctx).Errorw("failed to fetch project topics", "project", projectName[2])
return &metrov1.Topics{}, err
}
for _, t := range topics {
validTopics[normalizeTopicName(t.Name)] = true
}
subs, err := s.subscriptionCore.List(ctx, subscription.Prefix+projectName[2])
if err != nil {
logger.Ctx(ctx).Errorw("failed to fetch project subscriptions", "project", projectName[2])
return &metrov1.Topics{}, err
}
for _, sub := range subs {
for _, v := range sub.GetDelayTopics() {
validTopics[normalizeTopicName(v)] = true
}
validTopics[normalizeTopicName(sub.GetDeadLetterTopic())] = true
validTopics[normalizeTopicName(sub.GetRetryTopic())] = true
// validTopics[sub.GetSubscriptionTopic()] = true ###Internal topics are not used and hence up for deletion
}
}
admin, aerr := s.brokerStore.GetAdmin(ctx, messagebroker.AdminClientOptions{})
if aerr != nil {
return nil, merror.ToGRPCError(aerr)
}
for _, p := range projects.Projects {
allTopics, err := admin.FetchProjectTopics(ctx, project.Prefix+p)
if err != nil {
logger.Ctx(ctx).Errorw("Failed to fetch topics for project from messagebroker", "project", p)
return &metrov1.Topics{}, err
}
logger.Ctx(ctx).Infow("valids", "valid", validTopics, "allTopics", allTopics)
for t := range allTopics {
t = normalizeTopicName(t)
if _, ok := validTopics[t]; !ok {
tops.Names = append(tops.Names, t)
if projects.HardDelete {
dtresp, err := admin.DeleteTopic(ctx, messagebroker.DeleteTopicRequest{Name: t})
if err != nil {
logger.Ctx(ctx).Errorw("Failed to delete topics", "error", err.Error())
}
logger.Ctx(ctx).Infow("Successfully deleted topic", "resp", dtresp)
}
}
}
}
return &tops, nil
}
func (s adminServer) SetupRetentionPolicy(ctx context.Context, topics *metrov1.Topics) (*metrov1.Topics, error) {
logger.Ctx(ctx).Infow("received request to set up retention policy")
updatedTopics, err := s.topicCore.SetupTopicRetentionConfigs(ctx, topics.GetNames())
if err != nil {
return nil, merror.ToGRPCError(err)
}
return &metrov1.Topics{Names: updatedTopics}, nil
}
func (s adminServer) UpdateSubscriptionStatus(ctx context.Context, req *metrov1.SubscriptionStatusUpdateRequst) (*metrov1.Subscriptions, error) {
logger.Ctx(ctx).Infow("received request to update subscription state", "subscriptions", req.GetNames(), "detached", req.GetDetached())
updatedSubsriptions, err := s.subscriptionCore.UpdateSubscriptionStatus(ctx, req.GetNames(), req.GetDetached())
if err != nil {
return &metrov1.Subscriptions{Names: updatedSubsriptions}, merror.ToGRPCError(err)
}
return &metrov1.Subscriptions{Names: updatedSubsriptions}, nil
}
func (s adminServer) AuthFuncOverride(ctx context.Context, _ string, _ interface{}) (context.Context, error) {
return interceptors.AdminAuth(ctx, s.admin)
}