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Signed-off-by: ted chang <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| /* | ||
| Copyright 2024. | ||
| 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 lmes | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "reflect" | ||
| "strconv" | ||
| "strings" | ||
| "time" | ||
|
|
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| "github.com/go-logr/logr" | ||
| corev1 "k8s.io/api/core/v1" | ||
| ) | ||
|
|
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| var options *serviceOptions = &serviceOptions{ | ||
| DriverImage: DefaultDriverImage, | ||
| PodImage: DefaultPodImage, | ||
| PodCheckingInterval: DefaultPodCheckingInterval, | ||
| ImagePullPolicy: DefaultImagePullPolicy, | ||
| MaxBatchSize: DefaultMaxBatchSize, | ||
| DetectDevice: DefaultDetectDevice, | ||
| DefaultBatchSize: DefaultBatchSize, | ||
| } | ||
|
|
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| type serviceOptions struct { | ||
| PodImage string | ||
| DriverImage string | ||
| PodCheckingInterval time.Duration | ||
| ImagePullPolicy corev1.PullPolicy | ||
| MaxBatchSize int | ||
| DefaultBatchSize int | ||
| DetectDevice bool | ||
| } | ||
|
|
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| func constructOptionsFromConfigMap(log *logr.Logger, configmap *corev1.ConfigMap) error { | ||
|
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| rv := reflect.ValueOf(options).Elem() | ||
| var msgs []string | ||
|
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| for idx, cap := 0, rv.NumField(); idx < cap; idx++ { | ||
| frv := rv.Field(idx) | ||
| fname := rv.Type().Field(idx).Name | ||
| configKey, ok := optionKeys[fname] | ||
| if !ok { | ||
| continue | ||
| } | ||
|
|
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| if v, found := configmap.Data[configKey]; found { | ||
| var err error | ||
| switch frv.Type().Name() { | ||
| case "string": | ||
| frv.SetString(v) | ||
| case "bool": | ||
| val, err := strconv.ParseBool(v) | ||
| if err != nil { | ||
| val = DefaultDetectDevice | ||
| msgs = append(msgs, fmt.Sprintf("invalid setting for %v: %v, use default setting instead", optionKeys[fname], val)) | ||
| } | ||
| frv.SetBool(val) | ||
| case "int": | ||
| var intVal int | ||
| intVal, err = strconv.Atoi(v) | ||
| if err == nil { | ||
| frv.SetInt(int64(intVal)) | ||
| } | ||
| case "Duration": | ||
| var d time.Duration | ||
| d, err = time.ParseDuration(v) | ||
| if err == nil { | ||
| frv.Set(reflect.ValueOf(d)) | ||
| } | ||
| case "PullPolicy": | ||
| if p, found := pullPolicyMap[corev1.PullPolicy(v)]; found { | ||
| frv.Set(reflect.ValueOf(p)) | ||
| } else { | ||
| err = fmt.Errorf("invalid PullPolicy") | ||
| } | ||
| default: | ||
| return fmt.Errorf("can not handle the config %v, type: %v", optionKeys[fname], frv.Type().Name()) | ||
| } | ||
|
|
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| if err != nil { | ||
| msgs = append(msgs, fmt.Sprintf("invalid setting for %v: %v, use default setting instead", optionKeys[fname], v)) | ||
| } | ||
| } | ||
| } | ||
|
|
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| if len(msgs) > 0 && log != nil { | ||
| log.Error(fmt.Errorf("some settings in the configmap are invalid"), strings.Join(msgs, "\n")) | ||
| } | ||
|
|
||
| return nil | ||
| } |
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