traefik/provider/zk/zk.go

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package zk
import (
"fmt"
"github.com/abronan/valkeyrie/store"
"github.com/abronan/valkeyrie/store/zookeeper"
"github.com/containous/traefik/provider"
"github.com/containous/traefik/provider/kv"
"github.com/containous/traefik/safe"
"github.com/containous/traefik/types"
)
var _ provider.Provider = (*Provider)(nil)
// Provider holds configurations of the provider.
type Provider struct {
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kv.Provider `mapstructure:",squash" export:"true"`
}
// Init the provider
func (p *Provider) Init(constraints types.Constraints) error {
err := p.Provider.Init(constraints)
if err != nil {
return err
}
store, err := p.CreateStore()
if err != nil {
return fmt.Errorf("failed to Connect to KV store: %v", err)
}
p.SetKVClient(store)
return nil
}
// Provide allows the zk provider to Provide configurations to traefik
// using the given configuration channel.
func (p *Provider) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool) error {
return p.Provider.Provide(configurationChan, pool)
}
// CreateStore creates the KV store
func (p *Provider) CreateStore() (store.Store, error) {
p.SetStoreType(store.ZK)
zookeeper.Register()
return p.Provider.CreateStore()
}