97 lines
2.5 KiB
Go
97 lines
2.5 KiB
Go
package environment
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import (
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"context"
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"github.com/apex/log"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/network"
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"github.com/docker/docker/client"
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"github.com/pterodactyl/wings/config"
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)
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// Configures the required network for the docker environment.
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func ConfigureDocker(c *config.DockerConfiguration) error {
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// Ensure the required docker network exists on the system.
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cli, err := client.NewClientWithOpts(client.FromEnv)
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if err != nil {
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return err
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}
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resource, err := cli.NetworkInspect(context.Background(), c.Network.Name, types.NetworkInspectOptions{})
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if err != nil && client.IsErrNotFound(err) {
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log.Info("creating missing pterodactyl0 interface, this could take a few seconds...")
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return createDockerNetwork(cli, c)
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} else if err != nil {
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log.WithField("error", err).Fatal("failed to create required docker network for containers")
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}
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switch resource.Driver {
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case "host":
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c.Network.Interface = "127.0.0.1"
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c.Network.ISPN = false
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return nil
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case "overlay":
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case "weavemesh":
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c.Network.Interface = ""
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c.Network.ISPN = true
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return nil
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default:
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c.Network.ISPN = false
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}
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return nil
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}
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// Creates a new network on the machine if one does not exist already.
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func createDockerNetwork(cli *client.Client, c *config.DockerConfiguration) error {
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_, err := cli.NetworkCreate(context.Background(), c.Network.Name, types.NetworkCreate{
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Driver: c.Network.Driver,
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EnableIPv6: true,
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Internal: c.Network.IsInternal,
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IPAM: &network.IPAM{
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Config: []network.IPAMConfig{
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{
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Subnet: c.Network.Interfaces.V4.Subnet,
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Gateway: c.Network.Interfaces.V4.Gateway,
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},
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{
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Subnet: c.Network.Interfaces.V6.Subnet,
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Gateway: c.Network.Interfaces.V6.Gateway,
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},
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},
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},
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Options: map[string]string{
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"encryption": "false",
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"com.docker.network.bridge.default_bridge": "false",
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"com.docker.network.bridge.enable_icc": "true",
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"com.docker.network.bridge.enable_ip_masquerade": "true",
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"com.docker.network.bridge.host_binding_ipv4": "0.0.0.0",
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"com.docker.network.bridge.name": "pterodactyl0",
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"com.docker.network.driver.mtu": "1500",
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},
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})
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if err != nil {
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return err
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}
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switch c.Network.Driver {
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case "host":
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c.Network.Interface = "127.0.0.1"
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c.Network.ISPN = false
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break
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case "overlay":
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case "weavemesh":
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c.Network.Interface = ""
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c.Network.ISPN = true
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break
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default:
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c.Network.Interface = c.Network.Interfaces.V4.Gateway
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c.Network.ISPN = false
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break
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}
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return nil
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}
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