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Add support for Opensearch Dashboard client (#82)
* Add support for Opensearch Dashboard client Signed-off-by: raihankhan <[email protected]> Co-authored-by: Md. Ishtiaq Islam <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,146 @@ | ||
| /* | ||
| Copyright AppsCode Inc. and Contributors | ||
| Licensed under the AppsCode Free Trial License 1.0.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| https://github.com/appscode/licenses/raw/1.0.0/AppsCode-Free-Trial-1.0.0.md | ||
| 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 elasticsearchdashboard | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "io" | ||
| "strings" | ||
|
|
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| esapi "kubedb.dev/apimachinery/apis/elasticsearch/v1alpha1" | ||
|
|
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| "github.com/go-resty/resty/v2" | ||
| "github.com/pkg/errors" | ||
| "k8s.io/klog/v2" | ||
| ) | ||
|
|
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| type OSClient struct { | ||
| Client *resty.Client | ||
| Config *Config | ||
| } | ||
|
|
||
| func (h *OSClient) GetHealthStatus() (*Health, error) { | ||
| req := h.Client.R().SetDoNotParseResponse(true) | ||
| res, err := req.Get(h.Config.api) | ||
| if err != nil { | ||
| klog.Error(err, "Failed to send http request") | ||
| return nil, err | ||
| } | ||
|
|
||
| statesList := make(map[string]string) | ||
|
|
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| healthStatus := &Health{ | ||
| ConnectionResponse: Response{ | ||
| Code: res.StatusCode(), | ||
| header: res.Header(), | ||
| Body: res.RawBody(), | ||
| }, | ||
| StateFailedReason: statesList, | ||
| } | ||
|
|
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| return healthStatus, nil | ||
| } | ||
|
|
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| // GetStateFromHealthResponse parse health response in json from server and | ||
| // return overall status of the server | ||
| func (h *OSClient) GetStateFromHealthResponse(health *Health) (esapi.DashboardServerState, error) { | ||
| resStatus := health.ConnectionResponse | ||
|
|
||
| defer func(Body io.ReadCloser) { | ||
| err := Body.Close() | ||
| if err != nil { | ||
| err1 := errors.Wrap(err, "failed to parse response body") | ||
| if err1 != nil { | ||
| return | ||
| } | ||
| return | ||
| } | ||
| }(resStatus.Body) | ||
|
|
||
| var responseBody ResponseBody | ||
| body, _ := io.ReadAll(resStatus.Body) | ||
| err := json.Unmarshal(body, &responseBody) | ||
| if err != nil { | ||
| return "", errors.Wrap(err, "Failed to parse response body") | ||
| } | ||
|
|
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| if overallStatus, ok := responseBody.Status["overall"].(map[string]interface{}); ok { | ||
| if overallState, ok := overallStatus["state"].(string); ok { | ||
| health.OverallState = overallState | ||
| } else { | ||
| return "", errors.New("Failed to parse overallState") | ||
| } | ||
| } else { | ||
| return "", errors.New("Failed to parse overallStatus") | ||
| } | ||
|
|
||
| // get the statuses for plugins stored, | ||
| // so that the plugins which are not available or ready can be shown from condition message | ||
| if statuses, ok := responseBody.Status["statuses"].([]interface{}); ok { | ||
| for _, sts := range statuses { | ||
| if curr, ok := sts.(map[string]interface{}); ok { | ||
| if curr["state"].(string) != string(esapi.StateGreen) { | ||
| health.StateFailedReason[curr["id"].(string)] = strings.Join([]string{curr["state"].(string), curr["message"].(string)}, ",") | ||
| } | ||
| } else { | ||
| return "", errors.New("Failed to convert statuses to map[string]interface{}") | ||
| } | ||
| } | ||
| } else { | ||
| return "", errors.New("Failed to convert statuses to []interface{}") | ||
| } | ||
|
|
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| return esapi.DashboardServerState(health.OverallState), nil | ||
| } | ||
|
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| func (h *OSClient) ExportSavedObjects() (*Response, error) { | ||
| req := h.Client.R(). | ||
| SetDoNotParseResponse(true). | ||
| SetHeaders(map[string]string{ | ||
| "Content-Type": "application/json", | ||
| "osd-xsrf": "true", | ||
| }). | ||
| SetBody([]byte(SavedObjectsReqBodyOS)) | ||
| res, err := req.Post(SavedObjectsExportURL) | ||
| if err != nil { | ||
| klog.Error(err, "Failed to send http request") | ||
| return nil, err | ||
| } | ||
|
|
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| return &Response{ | ||
| Code: res.StatusCode(), | ||
| Body: res.RawBody(), | ||
| }, nil | ||
| } | ||
|
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| func (h *OSClient) ImportSavedObjects(filepath string) (*Response, error) { | ||
| req := h.Client.R(). | ||
| SetDoNotParseResponse(true). | ||
| SetHeader("osd-xsrf", "true"). | ||
| SetFile("file", filepath). | ||
| SetQueryParam("overwrite", "true") | ||
| res, err := req.Post(SavedObjectsImportURL) | ||
| if err != nil { | ||
| klog.Error(err, "Failed to send http request") | ||
| return nil, err | ||
| } | ||
|
|
||
| return &Response{ | ||
| Code: res.StatusCode(), | ||
| Body: res.RawBody(), | ||
| }, nil | ||
| } |