mirror of
https://github.com/stakater/Reloader.git
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82 lines
2.3 KiB
Go
82 lines
2.3 KiB
Go
package handler
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import (
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"time"
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"github.com/sirupsen/logrus"
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"github.com/stakater/Reloader/internal/pkg/metrics"
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"github.com/stakater/Reloader/internal/pkg/options"
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"github.com/stakater/Reloader/internal/pkg/util"
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"github.com/stakater/Reloader/pkg/common"
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v1 "k8s.io/api/core/v1"
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"k8s.io/client-go/tools/record"
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)
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// ResourceUpdatedHandler contains updated objects
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type ResourceUpdatedHandler struct {
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Resource interface{}
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OldResource interface{}
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Collectors metrics.Collectors
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Recorder record.EventRecorder
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EnqueueTime time.Time // Time when this handler was added to the queue
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}
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// GetEnqueueTime returns when this handler was enqueued
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func (r ResourceUpdatedHandler) GetEnqueueTime() time.Time {
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return r.EnqueueTime
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}
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// Handle processes the updated resource
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func (r ResourceUpdatedHandler) Handle() error {
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startTime := time.Now()
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result := "success"
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defer func() {
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r.Collectors.RecordReconcile(result, time.Since(startTime))
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}()
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if r.Resource == nil || r.OldResource == nil {
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logrus.Errorf("Resource update handler received nil resource")
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result = "error"
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} else {
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config, oldSHAData := r.GetConfig()
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if config.SHAValue != oldSHAData {
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// Send a webhook if update
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if options.WebhookUrl != "" {
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err := sendUpgradeWebhook(config, options.WebhookUrl)
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if err != nil {
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result = "error"
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}
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return err
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}
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// process resource based on its type
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err := doRollingUpgrade(config, r.Collectors, r.Recorder, invokeReloadStrategy)
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if err != nil {
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result = "error"
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}
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return err
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} else {
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// No data change - skip
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result = "skipped"
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r.Collectors.RecordSkipped("no_data_change")
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}
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}
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return nil
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}
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// GetConfig gets configurations containing SHA, annotations, namespace and resource name
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func (r ResourceUpdatedHandler) GetConfig() (common.Config, string) {
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var oldSHAData string
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var config common.Config
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if _, ok := r.Resource.(*v1.ConfigMap); ok {
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oldSHAData = util.GetSHAfromConfigmap(r.OldResource.(*v1.ConfigMap))
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config = common.GetConfigmapConfig(r.Resource.(*v1.ConfigMap))
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} else if _, ok := r.Resource.(*v1.Secret); ok {
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oldSHAData = util.GetSHAfromSecret(r.OldResource.(*v1.Secret).Data)
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config = common.GetSecretConfig(r.Resource.(*v1.Secret))
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} else {
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logrus.Warnf("Invalid resource: Resource should be 'Secret' or 'Configmap' but found, %v", r.Resource)
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}
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return config, oldSHAData
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}
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