81 lines
1.8 KiB
Go
81 lines
1.8 KiB
Go
package dockertestutil
|
|
|
|
import (
|
|
"errors"
|
|
"net"
|
|
|
|
"github.com/ory/dockertest/v3"
|
|
"github.com/ory/dockertest/v3/docker"
|
|
)
|
|
|
|
var ErrContainerNotFound = errors.New("container not found")
|
|
|
|
func GetFirstOrCreateNetwork(pool *dockertest.Pool, name string) (*dockertest.Network, error) {
|
|
networks, err := pool.NetworksByName(name)
|
|
if err != nil || len(networks) == 0 {
|
|
if _, err := pool.CreateNetwork(name); err == nil {
|
|
// Create does not give us an updated version of the resource, so we need to
|
|
// get it again.
|
|
networks, err := pool.NetworksByName(name)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &networks[0], nil
|
|
}
|
|
}
|
|
|
|
return &networks[0], nil
|
|
}
|
|
|
|
func AddContainerToNetwork(
|
|
pool *dockertest.Pool,
|
|
network *dockertest.Network,
|
|
testContainer string,
|
|
) error {
|
|
containers, err := pool.Client.ListContainers(docker.ListContainersOptions{
|
|
All: true,
|
|
Filters: map[string][]string{
|
|
"name": {testContainer},
|
|
},
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
err = pool.Client.ConnectNetwork(network.Network.ID, docker.NetworkConnectionOptions{
|
|
Container: containers[0].ID,
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// TODO(kradalby): This doesnt work reliably, but calling the exact same functions
|
|
// seem to work fine...
|
|
// if container, ok := pool.ContainerByName("/" + testContainer); ok {
|
|
// err := container.ConnectToNetwork(network)
|
|
// if err != nil {
|
|
// return err
|
|
// }
|
|
// }
|
|
|
|
return nil
|
|
}
|
|
|
|
// RandomFreeHostPort asks the kernel for a free open port that is ready to use.
|
|
// (from https://github.com/phayes/freeport)
|
|
func RandomFreeHostPort() (int, error) {
|
|
addr, err := net.ResolveTCPAddr("tcp", "localhost:0")
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
listener, err := net.ListenTCP("tcp", addr)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
defer listener.Close()
|
|
//nolint:forcetypeassert
|
|
return listener.Addr().(*net.TCPAddr).Port, nil
|
|
}
|