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organizations.go
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organizations.go
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package kv
import (
"context"
"errors"
"strconv"
"github.com/influxdata/chronograf"
"github.com/influxdata/chronograf/kv/internal"
"github.com/influxdata/chronograf/organizations"
)
// Ensure organizationsStore implements chronograf.OrganizationsStore.
var _ chronograf.OrganizationsStore = &organizationsStore{}
var (
// DefaultOrganizationID is the ID of the default organization.
DefaultOrganizationID = []byte("default")
)
const (
// DefaultOrganizationName is the Name of the default organization
DefaultOrganizationName string = "Default"
// DefaultOrganizationRole is the DefaultRole for the Default organization
DefaultOrganizationRole string = "member"
)
// organizationsStore uses a kv to store and retrieve Organizations
type organizationsStore struct {
client *Service
}
// CreateDefault does a findOrCreate on the default organization
func (s *organizationsStore) CreateDefault(ctx context.Context) error {
o := chronograf.Organization{
ID: string(DefaultOrganizationID),
Name: DefaultOrganizationName,
DefaultRole: DefaultOrganizationRole,
}
return s.client.kv.Update(ctx, func(tx Tx) error {
b := tx.Bucket(organizationsBucket)
v, _ := b.Get(DefaultOrganizationID)
if v != nil {
return nil
}
if v, err := internal.MarshalOrganization(&o); err != nil {
return err
} else if err := b.Put(DefaultOrganizationID, v); err != nil {
return err
}
b = tx.Bucket(mappingsBucket)
v, _ = b.Get(DefaultOrganizationID)
if v != nil {
return nil
}
if v, err := internal.MarshalMapping(&chronograf.Mapping{
ID: string(DefaultOrganizationID),
Organization: string(DefaultOrganizationID),
Provider: chronograf.MappingWildcard,
Scheme: chronograf.MappingWildcard,
ProviderOrganization: chronograf.MappingWildcard,
}); err != nil {
return err
} else if err := b.Put(DefaultOrganizationID, v); err != nil {
return err
}
return nil
})
}
func (s *organizationsStore) nameIsUnique(ctx context.Context, name string) bool {
_, err := s.Get(ctx, chronograf.OrganizationQuery{Name: &name})
switch err {
case chronograf.ErrOrganizationNotFound:
return true
default:
return false
}
}
// DefaultOrganizationID returns the ID of the default organization
func (s *organizationsStore) DefaultOrganization(ctx context.Context) (*chronograf.Organization, error) {
var org chronograf.Organization
if err := s.client.kv.View(ctx, func(tx Tx) error {
v, err := tx.Bucket(organizationsBucket).Get(DefaultOrganizationID)
if err != nil {
return err
}
return internal.UnmarshalOrganization(v, &org)
}); err != nil {
return nil, err
}
return &org, nil
}
// Add creates a new Organization in the organizationsStore
func (s *organizationsStore) Add(ctx context.Context, o *chronograf.Organization) (*chronograf.Organization, error) {
if !s.nameIsUnique(ctx, o.Name) {
return nil, chronograf.ErrOrganizationAlreadyExists
}
err := s.client.kv.Update(ctx, func(tx Tx) error {
b := tx.Bucket(organizationsBucket)
seq, err := b.NextSequence()
if err != nil {
return err
}
o.ID = strconv.FormatUint(seq, 10)
v, err := internal.MarshalOrganization(o)
if err != nil {
return err
}
return b.Put([]byte(o.ID), v)
})
return o, err
}
// All returns all known organizations
func (s *organizationsStore) All(ctx context.Context) ([]chronograf.Organization, error) {
var orgs []chronograf.Organization
err := s.each(ctx, func(o *chronograf.Organization) {
orgs = append(orgs, *o)
})
if err != nil {
return nil, err
}
return orgs, nil
}
// Delete the organization from organizationsStore
func (s *organizationsStore) Delete(ctx context.Context, o *chronograf.Organization) error {
if o.ID == string(DefaultOrganizationID) {
return chronograf.ErrCannotDeleteDefaultOrganization
}
_, err := s.get(ctx, o.ID)
if err != nil {
return err
}
if err := s.client.kv.Update(ctx, func(tx Tx) error {
return tx.Bucket(organizationsBucket).Delete([]byte(o.ID))
}); err != nil {
return err
}
// Dependent Delete of all resources
// Each of the associated organization stores expects organization to be
// set on the context.
if ctx == nil {
ctx = context.Background() // context could be possible nil before go 1.15, see https://github.com/golang/go/issues/40737
}
ctx = context.WithValue(ctx, organizations.ContextKey, o.ID)
sourcesStore := organizations.NewSourcesStore(s.client.SourcesStore(), o.ID)
sources, err := sourcesStore.All(ctx)
if err != nil {
return err
}
for _, source := range sources {
if err := sourcesStore.Delete(ctx, source); err != nil {
return err
}
}
serversStore := organizations.NewServersStore(s.client.ServersStore(), o.ID)
servers, err := serversStore.All(ctx)
if err != nil {
return err
}
for _, server := range servers {
if err := serversStore.Delete(ctx, server); err != nil {
return err
}
}
dashboardsStore := organizations.NewDashboardsStore(s.client.DashboardsStore(), o.ID)
dashboards, err := dashboardsStore.All(ctx)
if err != nil {
return err
}
for _, dashboard := range dashboards {
if err := dashboardsStore.Delete(ctx, dashboard); err != nil {
return err
}
}
usersStore := organizations.NewUsersStore(s.client.UsersStore(), o.ID)
users, err := usersStore.All(ctx)
if err != nil {
return err
}
for _, user := range users {
if err := usersStore.Delete(ctx, &user); err != nil {
return err
}
}
mappings, err := s.client.MappingsStore().All(ctx)
if err != nil {
return err
}
for _, mapping := range mappings {
if mapping.Organization == o.ID {
if err := s.client.MappingsStore().Delete(ctx, &mapping); err != nil {
return err
}
}
}
return nil
}
func (s *organizationsStore) get(ctx context.Context, id string) (*chronograf.Organization, error) {
var o chronograf.Organization
err := s.client.kv.View(ctx, func(tx Tx) error {
v, err := tx.Bucket(organizationsBucket).Get([]byte(id))
if v == nil || err != nil {
return chronograf.ErrOrganizationNotFound
}
return internal.UnmarshalOrganization(v, &o)
})
if err != nil {
return nil, err
}
return &o, nil
}
func (s *organizationsStore) each(ctx context.Context, fn func(*chronograf.Organization)) error {
return s.client.kv.View(ctx, func(tx Tx) error {
return tx.Bucket(organizationsBucket).ForEach(func(k, v []byte) error {
var org chronograf.Organization
if err := internal.UnmarshalOrganization(v, &org); err != nil {
return err
}
fn(&org)
return nil
})
})
}
// Get returns a Organization if the id exists.
// If an ID is provided in the query, the lookup time for an organization will be O(1).
// If Name is provided, the lookup time will be O(n).
// Get expects that only one of ID or Name will be specified, but will prefer ID over Name if both are specified.
func (s *organizationsStore) Get(ctx context.Context, q chronograf.OrganizationQuery) (*chronograf.Organization, error) {
if q.ID != nil {
return s.get(ctx, *q.ID)
}
if q.Name != nil {
var org *chronograf.Organization
err := s.each(ctx, func(o *chronograf.Organization) {
if org != nil {
return
}
if o.Name == *q.Name {
org = o
}
})
if err != nil {
return nil, err
}
if org == nil {
return nil, chronograf.ErrOrganizationNotFound
}
return org, nil
}
return nil, errors.New("must specify either ID, or Name in OrganizationQuery")
}
// Update the organization in organizationsStore
func (s *organizationsStore) Update(ctx context.Context, o *chronograf.Organization) error {
org, err := s.get(ctx, o.ID)
if err != nil {
return err
}
if o.Name != org.Name && !s.nameIsUnique(ctx, o.Name) {
return chronograf.ErrOrganizationAlreadyExists
}
return s.client.kv.Update(ctx, func(tx Tx) error {
if v, err := internal.MarshalOrganization(o); err != nil {
return err
} else if err := tx.Bucket(organizationsBucket).Put([]byte(o.ID), v); err != nil {
return err
}
return nil
})
}