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os_security_service.go
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os_security_service.go
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package services
import (
"context"
"encoding/json"
"fmt"
"github.com/Opster/opensearch-k8s-operator/opensearch-operator/opensearch-gateway/requests"
"github.com/Opster/opensearch-k8s-operator/opensearch-operator/opensearch-gateway/responses"
"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
"github.com/opensearch-project/opensearch-go/opensearchutil"
"sigs.k8s.io/controller-runtime/pkg/log"
)
const (
K8sAttributeField = "k8s-uid"
ROLES = "roles"
INTERNALUSERS = "internalusers"
ROLESMAPPING = "rolesmapping"
ACTIONGROUPS = "actiongroups"
TENANTS = "tenants"
)
func ShouldUpdateUser(
ctx context.Context,
service *OsClusterClient,
username string,
user requests.User,
) (bool, error) {
resp, err := service.GetSecurityResource(ctx, INTERNALUSERS, username)
if err != nil {
return false, err
}
defer resp.Body.Close()
if resp.StatusCode == 404 {
return true, nil
} else if resp.IsError() {
return false, fmt.Errorf("response from API is %s", resp.Status())
}
// Blank the password for a fair comparison
user.Password = ""
userResponse := responses.GetUserResponse{}
err = json.NewDecoder(resp.Body).Decode(&userResponse)
if err != nil {
return false, err
}
existingUID, ok := userResponse[username].Attributes[K8sAttributeField]
if !ok {
return false, fmt.Errorf("user resource not currently managed by kubernetes")
}
if existingUID != user.Attributes[K8sAttributeField] {
return false, fmt.Errorf("kubernetes resource conflict; uids don't match")
}
if cmp.Equal(user, userResponse[username], cmpopts.EquateEmpty()) {
return false, nil
}
lg := log.FromContext(ctx).WithValues("os_service", "security")
lg.Info("OpenSearch User requires update")
return true, nil
}
func UserExists(ctx context.Context, service *OsClusterClient, username string) (bool, error) {
resp, err := service.GetSecurityResource(ctx, INTERNALUSERS, username)
if err != nil {
return false, err
}
defer resp.Body.Close()
if resp.StatusCode == 404 {
return false, nil
} else if resp.IsError() {
return false, fmt.Errorf("response from API is %s", resp.Status())
}
return true, nil
}
func UserUIDMatches(ctx context.Context, service *OsClusterClient, username string, uid string) (bool, error) {
resp, err := service.GetSecurityResource(ctx, INTERNALUSERS, username)
if err != nil {
return false, err
}
defer resp.Body.Close()
if resp.IsError() {
return false, fmt.Errorf("response from API is %s", resp.Status())
}
userResponse := responses.GetUserResponse{}
err = json.NewDecoder(resp.Body).Decode(&userResponse)
if err != nil {
return false, err
}
existingUID, ok := userResponse[username].Attributes[K8sAttributeField]
return ok && existingUID == uid, nil
}
func CreateOrUpdateUser(
ctx context.Context,
service *OsClusterClient,
username string,
user requests.User,
) error {
resp, err := service.PutSecurityResource(ctx, INTERNALUSERS, username, opensearchutil.NewJSONReader(user))
if err != nil {
return err
}
defer resp.Body.Close()
if resp.IsError() {
return fmt.Errorf("failed to create user: %s", resp.String())
}
return nil
}
func DeleteUser(ctx context.Context, service *OsClusterClient, username string) error {
resp, err := service.DeleteSecurityResource(ctx, INTERNALUSERS, username)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.IsError() {
return fmt.Errorf("response from API is %s", resp.Status())
}
return nil
}
func RoleExists(ctx context.Context, service *OsClusterClient, rolename string) (bool, error) {
resp, err := service.GetSecurityResource(ctx, ROLES, rolename)
if err != nil {
return false, err
}
defer resp.Body.Close()
if resp.StatusCode == 404 {
return false, nil
} else if resp.IsError() {
return false, fmt.Errorf("response from API is %s", resp.Status())
}
return true, nil
}
func ShouldUpdateRole(
ctx context.Context,
service *OsClusterClient,
rolename string,
role requests.Role,
) (bool, error) {
resp, err := service.GetSecurityResource(ctx, ROLES, rolename)
if err != nil {
return false, err
}
defer resp.Body.Close()
if resp.StatusCode == 404 {
return true, nil
} else if resp.IsError() {
return false, fmt.Errorf("response from API is %s", resp.Status())
}
roleResponse := responses.GetRoleResponse{}
err = json.NewDecoder(resp.Body).Decode(&roleResponse)
if err != nil {
return false, err
}
if cmp.Equal(role, roleResponse[rolename], cmpopts.EquateEmpty()) {
return false, nil
}
lg := log.FromContext(ctx).WithValues("os_service", "security")
lg.Info("OpenSearch Role requires update")
return true, nil
}
func CreateOrUpdateRole(
ctx context.Context,
service *OsClusterClient,
rolename string,
role requests.Role,
) error {
resp, err := service.PutSecurityResource(ctx, ROLES, rolename, opensearchutil.NewJSONReader(role))
if err != nil {
return err
}
defer resp.Body.Close()
if resp.IsError() {
return fmt.Errorf("failed to create role: %s", resp.String())
}
return nil
}
func DeleteRole(ctx context.Context, service *OsClusterClient, rolename string) error {
resp, err := service.DeleteSecurityResource(ctx, ROLES, rolename)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.IsError() {
return fmt.Errorf("response from API is %s", resp.Status())
}
return nil
}
func RoleMappingExists(
ctx context.Context,
service *OsClusterClient,
rolename string,
) (bool, error) {
resp, err := service.GetSecurityResource(ctx, ROLESMAPPING, rolename)
if err != nil {
return false, err
}
defer resp.Body.Close()
if resp.StatusCode == 404 {
return false, nil
} else if resp.IsError() {
return false, fmt.Errorf("response from API is %s", resp.Status())
}
return true, nil
}
func FetchExistingRoleMapping(
ctx context.Context,
service *OsClusterClient,
rolename string,
) (requests.RoleMapping, error) {
resp, err := service.GetSecurityResource(ctx, ROLESMAPPING, rolename)
if err != nil {
return requests.RoleMapping{}, err
}
defer resp.Body.Close()
if resp.IsError() {
return requests.RoleMapping{}, fmt.Errorf("response from API is %s", resp.Status())
}
mappingResp := responses.GetRoleMappingReponse{}
err = json.NewDecoder(resp.Body).Decode(&mappingResp)
if err != nil {
return requests.RoleMapping{}, err
}
return mappingResp[rolename], nil
}
func CreateOrUpdateRoleMapping(
ctx context.Context,
service *OsClusterClient,
rolename string,
mapping requests.RoleMapping,
) error {
resp, err := service.PutSecurityResource(ctx, ROLESMAPPING, rolename, opensearchutil.NewJSONReader(mapping))
if err != nil {
return err
}
defer resp.Body.Close()
if resp.IsError() {
return fmt.Errorf("failed to create role mapping: %s", resp.String())
}
return nil
}
func DeleteRoleMapping(ctx context.Context, service *OsClusterClient, rolename string) error {
resp, err := service.DeleteSecurityResource(ctx, ROLESMAPPING, rolename)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.IsError() {
return fmt.Errorf("response from API is %s", resp.Status())
}
return nil
}
// ActionGroupExists checks if the passed actionGroup already exists or not
func ActionGroupExists(ctx context.Context, service *OsClusterClient, actionGroupName string) (bool, error) {
resp, err := service.GetSecurityResource(ctx, ACTIONGROUPS, actionGroupName)
if err != nil {
return false, err
}
defer resp.Body.Close()
if resp.StatusCode == 404 {
return false, nil
} else if resp.IsError() {
return false, fmt.Errorf("response from API is %s", resp.Status())
}
return true, nil
}
// ShouldUpdateActionGroup checks whether a previously created actiongroup needs an update or not
func ShouldUpdateActionGroup(
ctx context.Context,
service *OsClusterClient,
actionGroupName string,
actionGroup requests.ActionGroup,
) (bool, error) {
resp, err := service.GetSecurityResource(ctx, ACTIONGROUPS, actionGroupName)
if err != nil {
return false, err
}
defer resp.Body.Close()
if resp.StatusCode == 404 {
return true, nil
} else if resp.IsError() {
return false, fmt.Errorf("response from API is %s", resp.Status())
}
actionGroupResponse := responses.GetActionGroupResponse{}
err = json.NewDecoder(resp.Body).Decode(&actionGroupResponse)
if err != nil {
return false, err
}
if cmp.Equal(actionGroup, actionGroupResponse[actionGroupName], cmpopts.EquateEmpty()) {
return false, nil
}
lg := log.FromContext(ctx).WithValues("os_service", "security")
lg.Info("OpenSearch Actiongroup requires update")
return true, nil
}
// CreateOrUpdateActionGroup creates a new action group or updates a previously created action group
func CreateOrUpdateActionGroup(
ctx context.Context,
service *OsClusterClient,
actionGroupName string,
actionGroup requests.ActionGroup,
) error {
resp, err := service.PutSecurityResource(ctx, ACTIONGROUPS, actionGroupName, opensearchutil.NewJSONReader(actionGroup))
if err != nil {
return err
}
defer resp.Body.Close()
if resp.IsError() {
return fmt.Errorf("failed to create actiongroup: %s", resp.String())
}
return nil
}
// DeleteActionGroup deletes a previously created action group
func DeleteActionGroup(ctx context.Context, service *OsClusterClient, actionGroupName string) error {
resp, err := service.DeleteSecurityResource(ctx, ACTIONGROUPS, actionGroupName)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.IsError() {
return fmt.Errorf("response from API is %s", resp.Status())
}
return nil
}
// TenantExists checks if the passed tenant already exists or not
func TenantExists(ctx context.Context, service *OsClusterClient, tenantName string) (bool, error) {
resp, err := service.GetSecurityResource(ctx, TENANTS, tenantName)
if err != nil {
return false, err
}
defer resp.Body.Close()
if resp.StatusCode == 404 {
return false, nil
} else if resp.IsError() {
return false, fmt.Errorf("response from API is %s", resp.Status())
}
return true, nil
}
// ShouldUpdateTenant checks whether a previously created tenant needs an update or not
func ShouldUpdateTenant(
ctx context.Context,
service *OsClusterClient,
tenantName string,
tenant requests.Tenant,
) (bool, error) {
resp, err := service.GetSecurityResource(ctx, TENANTS, tenantName)
if err != nil {
return false, err
}
defer resp.Body.Close()
if resp.StatusCode == 404 {
return true, nil
} else if resp.IsError() {
return false, fmt.Errorf("response from API is %s", resp.Status())
}
tenantResponse := responses.GetTenantResponse{}
err = json.NewDecoder(resp.Body).Decode(&tenantResponse)
if err != nil {
return false, err
}
if cmp.Equal(tenant, tenantResponse[tenantName], cmpopts.EquateEmpty()) {
return false, nil
}
lg := log.FromContext(ctx).WithValues("os_service", "security")
lg.Info("OpenSearch Tenant requires update")
return true, nil
}
// CreateOrUpdateTenant creates a new tenant or updates a previously created tenant
func CreateOrUpdateTenant(
ctx context.Context,
service *OsClusterClient,
tenantName string,
tenant requests.Tenant,
) error {
resp, err := service.PutSecurityResource(ctx, TENANTS, tenantName, opensearchutil.NewJSONReader(tenant))
if err != nil {
return err
}
defer resp.Body.Close()
if resp.IsError() {
return fmt.Errorf("failed to create tenant: %s", resp.String())
}
return nil
}
// DeleteTenant deletes a previously created tenant
func DeleteTenant(ctx context.Context, service *OsClusterClient, tenantName string) error {
resp, err := service.DeleteSecurityResource(ctx, TENANTS, tenantName)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.IsError() {
return fmt.Errorf("response from API is %s", resp.Status())
}
return nil
}