github.com/inspektor-gadget/inspektor-gadget@v0.28.1/pkg/container-utils/testutils/container_interface.go (about)

     1  // Copyright 2023 The Inspektor Gadget authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package testutils
    16  
    17  import (
    18  	"fmt"
    19  	"testing"
    20  
    21  	"github.com/docker/go-connections/nat"
    22  
    23  	"github.com/inspektor-gadget/inspektor-gadget/pkg/types"
    24  )
    25  
    26  type containerSpec struct {
    27  	name    string
    28  	cmd     string
    29  	options *containerOptions
    30  
    31  	// Internal state
    32  	id           string
    33  	pid          int
    34  	started      bool
    35  	portBindings nat.PortMap
    36  }
    37  
    38  type Container interface {
    39  	DisplayName() string
    40  	Run(t *testing.T)
    41  	Start(t *testing.T)
    42  	Stop(t *testing.T)
    43  	ID() string
    44  	Pid() int
    45  	Running() bool
    46  	PortBindings() nat.PortMap
    47  }
    48  
    49  func (c *containerSpec) ID() string {
    50  	return c.id
    51  }
    52  
    53  func (c *containerSpec) Pid() int {
    54  	return c.pid
    55  }
    56  
    57  func (c *containerSpec) Running() bool {
    58  	return c.started
    59  }
    60  
    61  func (c *containerSpec) PortBindings() nat.PortMap {
    62  	return c.portBindings
    63  }
    64  
    65  func (c *containerSpec) DisplayName() string {
    66  	return c.name + ": " + c.cmd
    67  }
    68  
    69  var SupportedContainerRuntimes = []types.RuntimeName{
    70  	types.RuntimeNameDocker,
    71  	types.RuntimeNameContainerd,
    72  }
    73  
    74  func NewContainer(runtime types.RuntimeName, name, cmd string, options ...Option) (Container, error) {
    75  	switch runtime {
    76  	case types.RuntimeNameDocker:
    77  		return NewDockerContainer(name, cmd, options...), nil
    78  	case types.RuntimeNameContainerd:
    79  		return NewContainerdContainer(name, cmd, options...), nil
    80  	default:
    81  		return nil, fmt.Errorf("unknown container runtime %q", runtime)
    82  	}
    83  }