111 lines
2.7 KiB
Go
111 lines
2.7 KiB
Go
package configuration
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import (
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"encoding/json"
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"github.com/containous/traefik/old/log"
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"github.com/containous/traefik/old/provider"
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"github.com/containous/traefik/old/types"
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"github.com/containous/traefik/safe"
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)
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// ProviderAggregator aggregate providers
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type ProviderAggregator struct {
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providers []provider.Provider
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constraints types.Constraints
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}
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// NewProviderAggregator return an aggregate of all the providers configured in GlobalConfiguration
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func NewProviderAggregator(gc *GlobalConfiguration) ProviderAggregator {
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provider := ProviderAggregator{
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constraints: gc.Constraints,
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}
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if gc.Docker != nil {
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provider.quietAddProvider(gc.Docker)
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}
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if gc.Marathon != nil {
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provider.quietAddProvider(gc.Marathon)
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}
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if gc.File != nil {
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provider.quietAddProvider(gc.File)
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}
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if gc.Rest != nil {
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provider.quietAddProvider(gc.Rest)
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}
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if gc.Consul != nil {
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provider.quietAddProvider(gc.Consul)
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}
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if gc.ConsulCatalog != nil {
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provider.quietAddProvider(gc.ConsulCatalog)
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}
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if gc.Etcd != nil {
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provider.quietAddProvider(gc.Etcd)
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}
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if gc.Zookeeper != nil {
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provider.quietAddProvider(gc.Zookeeper)
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}
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if gc.Boltdb != nil {
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provider.quietAddProvider(gc.Boltdb)
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}
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if gc.Kubernetes != nil {
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provider.quietAddProvider(gc.Kubernetes)
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}
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if gc.Mesos != nil {
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provider.quietAddProvider(gc.Mesos)
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}
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if gc.Eureka != nil {
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provider.quietAddProvider(gc.Eureka)
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}
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if gc.ECS != nil {
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provider.quietAddProvider(gc.ECS)
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}
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if gc.Rancher != nil {
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provider.quietAddProvider(gc.Rancher)
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}
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if gc.DynamoDB != nil {
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provider.quietAddProvider(gc.DynamoDB)
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}
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return provider
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}
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func (p *ProviderAggregator) quietAddProvider(provider provider.Provider) {
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err := p.AddProvider(provider)
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if err != nil {
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log.Errorf("Error initializing provider %T: %v", provider, err)
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}
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}
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// AddProvider add a provider in the providers map
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func (p *ProviderAggregator) AddProvider(provider provider.Provider) error {
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err := provider.Init(p.constraints)
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if err != nil {
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return err
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}
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p.providers = append(p.providers, provider)
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return nil
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}
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// Init the provider
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func (p ProviderAggregator) Init(_ types.Constraints) error {
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return nil
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}
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// Provide call the provide method of every providers
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func (p ProviderAggregator) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool) error {
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for _, p := range p.providers {
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jsonConf, err := json.Marshal(p)
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if err != nil {
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log.Debugf("Unable to marshal provider conf %T with error: %v", p, err)
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}
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log.Infof("Starting provider %T %s", p, jsonConf)
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currentProvider := p
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safe.Go(func() {
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err := currentProvider.Provide(configurationChan, pool)
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if err != nil {
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log.Errorf("Error starting provider %T: %v", p, err)
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}
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})
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}
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return nil
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}
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