terraform/backend/remote-state/consul/client.go

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package consul
import (
"crypto/md5"
consulapi "github.com/hashicorp/consul/api"
"github.com/hashicorp/terraform/state/remote"
)
// RemoteClient is a remote client that stores data in Consul.
type RemoteClient struct {
Client *consulapi.Client
Path string
}
func (c *RemoteClient) Get() (*remote.Payload, error) {
pair, _, err := c.Client.KV().Get(c.Path, nil)
if err != nil {
return nil, err
}
if pair == nil {
return nil, nil
}
md5 := md5.Sum(pair.Value)
return &remote.Payload{
Data: pair.Value,
MD5: md5[:],
}, nil
}
func (c *RemoteClient) Put(data []byte) error {
kv := c.Client.KV()
_, err := kv.Put(&consulapi.KVPair{
Key: c.Path,
Value: data,
}, nil)
return err
}
func (c *RemoteClient) Delete() error {
kv := c.Client.KV()
_, err := kv.Delete(c.Path, nil)
return err
}