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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,157 @@ | ||
| /* | ||
| (c) Copyright [2023-2024] Open Text. | ||
| 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 vclusterops | ||
|
|
||
| import ( | ||
| "errors" | ||
| "fmt" | ||
|
|
||
| "github.com/vertica/vcluster/vclusterops/util" | ||
| ) | ||
|
|
||
| type httpsDisallowMultipleNamespacesOp struct { | ||
| opBase | ||
| opHTTPSBase | ||
| sandbox string | ||
| vdb *VCoordinationDatabase | ||
| } | ||
|
|
||
| func makeHTTPSDisallowMultipleNamespacesOp(hosts []string, useHTTPPassword bool, | ||
| userName string, httpsPassword *string, sandbox string, vdb *VCoordinationDatabase) (httpsDisallowMultipleNamespacesOp, error) { | ||
| op := httpsDisallowMultipleNamespacesOp{} | ||
| op.name = "HTTPSGetNamespaceOp" | ||
| op.description = "Get information about all namespaces" | ||
| op.hosts = hosts | ||
| op.useHTTPPassword = useHTTPPassword | ||
| op.sandbox = sandbox | ||
| op.vdb = vdb | ||
|
|
||
| if useHTTPPassword { | ||
| err := util.ValidateUsernameAndPassword(op.name, useHTTPPassword, userName) | ||
| if err != nil { | ||
| return op, err | ||
| } | ||
|
|
||
| op.userName = userName | ||
| op.httpsPassword = httpsPassword | ||
| } | ||
|
|
||
| return op, nil | ||
| } | ||
|
|
||
| func (op *httpsDisallowMultipleNamespacesOp) setupClusterHTTPRequest(hosts []string) error { | ||
| for _, host := range hosts { | ||
| httpRequest := hostHTTPRequest{} | ||
| httpRequest.Method = GetMethod | ||
| httpRequest.buildHTTPSEndpoint("namespaces") | ||
| if op.useHTTPPassword { | ||
| httpRequest.Password = op.httpsPassword | ||
| httpRequest.Username = op.userName | ||
| } | ||
| op.clusterHTTPRequest.RequestCollection[host] = httpRequest | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (op *httpsDisallowMultipleNamespacesOp) prepare(execContext *opEngineExecContext) error { | ||
| sourceHost, err := getInitiatorHostForReplication(op.name, op.sandbox, op.hosts, op.vdb) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| // hosts to be used to make the request should be an up host from source database or sandbox | ||
| op.hosts = sourceHost | ||
| execContext.dispatcher.setup(op.hosts) | ||
|
|
||
| return op.setupClusterHTTPRequest(op.hosts) | ||
| } | ||
|
|
||
| func (op *httpsDisallowMultipleNamespacesOp) execute(execContext *opEngineExecContext) error { | ||
| if err := op.runExecute(execContext); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return op.processResult(execContext) | ||
| } | ||
|
|
||
| type namespace struct { | ||
| NamespaceID int `json:"namespace_id"` | ||
| NamespaceName string `json:"namespace_name"` | ||
| IsDefault bool `json:"is_default"` | ||
| DefaultShardCount int `json:"default_shard_count"` | ||
| } | ||
|
|
||
| type namespaceListResponse struct { | ||
| NamespaceList []namespace `json:"namespace_list"` | ||
| } | ||
|
|
||
| func (op *httpsDisallowMultipleNamespacesOp) processResult(_ *opEngineExecContext) error { | ||
| var allErrs error | ||
|
|
||
| for host, result := range op.clusterHTTPRequest.ResultCollection { | ||
| op.logResponse(host, result) | ||
|
|
||
| if result.isUnauthorizedRequest() { | ||
| // skip checking response from other nodes because we will get the same error there | ||
| return result.err | ||
| } | ||
| if !result.isPassing() { | ||
| allErrs = errors.Join(allErrs, result.err) | ||
| // try processing other hosts' responses when the current host has some server errors | ||
| continue | ||
| } | ||
|
|
||
| // decode the json-format response | ||
| // The successful response object will be a dictionary: | ||
| /* | ||
| { | ||
| "namespace_list": [ | ||
| { | ||
| "namespace_id": NAMESPACE_ID, | ||
| "namespace_name": "default_namespace", | ||
| "is_default": true, | ||
| "default_shard_count": 4 | ||
| }, | ||
| { | ||
| "namespace_id": NAMESPACE_ID, | ||
| "namespace_name": "test_ns", | ||
| "is_default": false, | ||
| "default_shard_count": 6 | ||
| } | ||
| ] | ||
| } | ||
| */ | ||
| namespaceResponse := namespaceListResponse{} | ||
| err := op.parseAndCheckResponse(host, result.content, &namespaceResponse) | ||
| if err != nil { | ||
| allErrs = errors.Join(allErrs, err) | ||
| continue | ||
| } | ||
| // check if the response contains multiple namespaces | ||
| if len(namespaceResponse.NamespaceList) > 1 { | ||
| err := fmt.Errorf("[%s] replication is not supported in multiple namespace database", op.name) | ||
| allErrs = errors.Join(allErrs, err) | ||
| return allErrs | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| return allErrs | ||
| } | ||
|
|
||
| func (op *httpsDisallowMultipleNamespacesOp) finalize(_ *opEngineExecContext) error { | ||
| return nil | ||
| } |
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