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package remoteclientconfig
import (
"io"
"github.com/BurntSushi/toml"
"github.com/pkg/errors"
)
// ReadRemoteConfig takes an io.Reader representing the remote configuration
// file and returns a remoteconfig
func ReadRemoteConfig(reader io.Reader) (*RemoteConfig, error) {
var remoteConfig RemoteConfig
// the configuration file does not exist
if reader == nil {
return &remoteConfig, ErrNoConfigationFile
}
_, err := toml.DecodeReader(reader, &remoteConfig)
if err != nil {
return nil, err
}
// We need to validate each remote connection has fields filled out
for name, conn := range remoteConfig.Connections {
if len(conn.Destination) < 1 {
return nil, errors.Errorf("connection %q has no destination defined", name)
}
}
return &remoteConfig, err
}
// GetDefault returns the default RemoteConnection. If there is only one
// connection, we assume it is the default as well
func (r *RemoteConfig) GetDefault() (*RemoteConnection, error) {
if len(r.Connections) == 0 {
return nil, ErrNoDefinedConnections
}
for _, v := range r.Connections {
if len(r.Connections) == 1 {
// if there is only one defined connection, we assume it is
// the default whether tagged as such or not
return &v, nil
}
if v.IsDefault {
return &v, nil
}
}
return nil, ErrNoDefaultConnection
}
// GetRemoteConnection "looks up" a remote connection by name and returns it in the
// form of a RemoteConnection
func (r *RemoteConfig) GetRemoteConnection(name string) (*RemoteConnection, error) {
if len(r.Connections) == 0 {
return nil, ErrNoDefinedConnections
}
for k, v := range r.Connections {
if k == name {
return &v, nil
}
}
return nil, errors.Wrap(ErrConnectionNotFound, name)
}
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