/
container.go
116 lines (100 loc) · 2.91 KB
/
container.go
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package docker
import (
"context"
"fmt"
"os"
"time"
"github.com/deploy2docker/deploy2docker/internal/config"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/api/types/network"
"github.com/docker/docker/pkg/jsonmessage"
"github.com/docker/go-connections/nat"
"github.com/sirupsen/logrus"
)
func (c *Docker) GetContainerByName(ctx context.Context, container string) (*types.Container, error) {
containers, err := c.client.ContainerList(ctx, types.ContainerListOptions{
All: true,
})
if err != nil {
return nil, err
}
for _, c := range containers {
for _, name := range c.Names {
n := "/" + container
if name == n {
return &c, nil
}
}
}
return nil, fmt.Errorf("container %s not found", container)
}
// CreateContainer creates a docker container from a docker config
func (c *Docker) CreateContainer(ctx context.Context, service config.Service) (*container.ContainerCreateCreatedBody, error) {
// create the docker network
for _, network := range service.Networks {
if _, err := c.GetNetworkByName(network); err != nil {
if _, err := c.CreateBridgeNetwork(ctx, network); err != nil {
return nil, err
}
}
}
var ports nat.PortSet = nat.PortSet{}
for _, port := range service.Ports {
p, err := nat.NewPort("tcp", port)
if err != nil {
logrus.Errorf("failed to create port %s: %s", port, err)
return nil, err
}
ports[p] = struct{}{}
}
var portMap nat.PortMap = nat.PortMap{}
for port := range ports {
portMap[port] = []nat.PortBinding{
{
HostIP: "0.0.0.0",
HostPort: port.Port(),
},
}
}
// create container
resp, err := c.client.ContainerCreate(ctx, &container.Config{
Image: service.Name,
ExposedPorts: ports,
AttachStdout: true,
}, &container.HostConfig{
PortBindings: portMap,
}, &network.NetworkingConfig{}, nil, service.Name)
if err != nil {
return nil, err
}
return &resp, nil
}
// StartContainer starts a docker container
func (c *Docker) StartContainer(ctx context.Context, containerID string) error {
options := types.ContainerStartOptions{}
return c.client.ContainerStart(ctx, containerID, options)
}
// StopContainer : stop docker container
func (c *Docker) StopContainer(ctx context.Context, containerID string) error {
timeout := 60 * time.Second
return c.client.ContainerStop(ctx, containerID, &timeout)
}
func (d *Docker) RemoveContainer(ctx context.Context, containerID string) error {
return d.client.ContainerRemove(ctx, containerID, types.ContainerRemoveOptions{
Force: true,
})
}
func (d *Docker) ContainerLogs(ctx context.Context, containerID string) error {
logs, err := d.client.ContainerLogs(ctx, containerID, types.ContainerLogsOptions{
ShowStdout: true,
ShowStderr: true,
Follow: false,
})
if err != nil {
return err
}
defer logs.Close()
jsonmessage.DisplayJSONMessagesStream(logs, os.Stdout, os.Stdout.Fd(), false, nil)
return nil
}