268 lines
6.7 KiB
Go
268 lines
6.7 KiB
Go
package cli
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import (
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"context"
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"fmt"
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"net"
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"strings"
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"coopcloud.tech/abra/client"
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"coopcloud.tech/abra/config"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/swarm"
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"github.com/hetznercloud/hcloud-go/hcloud"
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"github.com/sirupsen/logrus"
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"github.com/urfave/cli/v2"
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)
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var serverListCommand = &cli.Command{
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Name: "list",
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Aliases: []string{"ls"},
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Usage: "List locally-defined servers.",
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ArgsUsage: emptyArgsUsage,
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HideHelp: true,
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Action: func(c *cli.Context) error {
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dockerContextStore := client.NewDefaultDockerContextStore()
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contexts, err := dockerContextStore.Store.List()
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if err != nil {
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logrus.Fatal(err)
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}
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tableColumns := []string{"Name", "Connection"}
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table := createTable(tableColumns)
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defer table.Render()
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serverNames, err := config.ReadServerNames()
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if err != nil {
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logrus.Fatal(err)
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}
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for _, serverName := range serverNames {
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var row []string
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for _, ctx := range contexts {
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endpoint, err := client.GetContextEndpoint(ctx)
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if err != nil && strings.Contains(err.Error(), "does not exist") {
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// No local context found, we can continue safely
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continue
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}
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if ctx.Name == serverName {
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row = []string{serverName, endpoint}
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}
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}
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if len(row) == 0 {
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row = []string{serverName, "UNKNOWN"}
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}
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table.Append(row)
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}
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return nil
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},
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}
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var serverAddCommand = &cli.Command{
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Name: "add",
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Usage: "Add a new server, reachable on <host>.",
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ArgsUsage: "<host> [<user>] [<port>]",
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Description: "[<user>], [<port>] SSH connection details",
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Action: func(c *cli.Context) error {
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arg_len := c.Args().Len()
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args := c.Args().Slice()
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if arg_len < 3 {
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args = append(args, make([]string, 3-arg_len)...)
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}
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if err := client.CreateContext(args[0], args[1], args[2]); err != nil {
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logrus.Fatal(err)
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}
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fmt.Println(args[0])
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return nil
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},
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}
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var HetznerCloudType string
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var HetznerCloudImage string
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var HetznerCloudSSHKeys cli.StringSlice
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var HetznerCloudLocation string
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var HetznerCloudAPIToken string
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var serverNewHetznerCloudCommand = &cli.Command{
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Name: "hetzner",
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Usage: "Create a new Hetzner virtual server",
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ArgsUsage: "<name>",
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Description: `
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Create a new Hetzner virtual server.
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This command uses the uses the Hetzner Cloud API bindings to send a server
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creation request. You must already have a Hetzner Cloud account and an account
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API token before using this command.
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Your token can be loaded from the environment using the HCLOUD_API_TOKEN
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environment variable or otherwise passing the "--env/-e" flag.
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`,
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Flags: []cli.Flag{
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&cli.StringFlag{
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Name: "type",
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Aliases: []string{"t"},
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Usage: "Server type",
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Destination: &HetznerCloudType,
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Value: "cx11",
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},
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&cli.StringFlag{
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Name: "image",
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Aliases: []string{"i"},
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Usage: "Image type",
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Value: "debian-10",
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Destination: &HetznerCloudImage,
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},
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&cli.StringSliceFlag{
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Name: "ssh-keys",
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Aliases: []string{"s"},
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Usage: "SSH keys",
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Destination: &HetznerCloudSSHKeys,
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},
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&cli.StringFlag{
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Name: "location",
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Aliases: []string{"l"},
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Usage: "Server location",
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Value: "hel1",
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Destination: &HetznerCloudLocation,
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},
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&cli.StringFlag{
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Name: "token",
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Aliases: []string{"T"},
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Usage: "Hetzner Cloud API token",
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EnvVars: []string{"HCLOUD_API_TOKEN"},
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Destination: &HetznerCloudAPIToken,
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},
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},
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Action: func(c *cli.Context) error {
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name := c.Args().First()
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if name == "" {
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cli.ShowSubcommandHelp(c)
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return nil
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}
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ctx := context.Background()
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client := hcloud.NewClient(hcloud.WithToken(HetznerCloudAPIToken))
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// var sshkeys []hcloud.SSHKey
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// for _, sshkey := range HetznerCloudSSHKeys {
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// sshkeys = append(sshkeys, hcloud.SSHKey{Name: sshkey})
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// }
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// TODO: finish passing arguments
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serverOpts := hcloud.ServerCreateOpts{
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Name: name,
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ServerType: &hcloud.ServerType{Name: HetznerCloudType},
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Image: &hcloud.Image{Name: HetznerCloudImage},
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// SSHKeys: HetznerCloudSSHKeys,
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// Location: HetznerCloudLocation,
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}
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_, _, err := client.Server.Create(ctx, serverOpts)
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if err != nil {
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logrus.Fatal(err)
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}
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return nil
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},
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}
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var serverNewCommand = &cli.Command{
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Name: "new",
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Usage: "Create a new server using a 3rd party provider",
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Description: "Use a provider plugin to create a new server which can then be used to house a new Co-op Cloud installation.",
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ArgsUsage: "<provider>",
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Subcommands: []*cli.Command{
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serverNewHetznerCloudCommand,
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},
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}
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var serverRemoveCommand = &cli.Command{
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Name: "remove",
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Aliases: []string{"rm", "delete"},
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Usage: "Remove a locally-defined server",
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HideHelp: true,
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Action: func(c *cli.Context) error {
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server := c.Args().First()
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if server == "" {
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cli.ShowSubcommandHelp(c)
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return nil
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}
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if err := client.DeleteContext(server); err != nil {
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logrus.Fatal(err)
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}
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return nil
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},
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}
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var serverInitCommand = &cli.Command{
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Name: "init",
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Usage: "Initialise server for deploying apps",
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HideHelp: true,
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ArgsUsage: "<host>",
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Description: `
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Initialise swarm mode on the target <host>.
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This initialisation explicitly chooses the "single host swarm" mode which uses
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the default IPv4 address as the advertising address. This can be re-configured
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later for more advanced use cases.
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`,
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Action: func(c *cli.Context) error {
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host := c.Args().First()
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if host == "" {
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cli.ShowSubcommandHelp(c)
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return nil
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}
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cl, err := client.NewClientWithContext(host)
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if err != nil {
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return err
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}
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var ipv4 net.IP
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ips, _ := net.LookupIP(host)
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for _, ip := range ips {
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ipv4 = ip.To4()
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}
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if string(ipv4) == "" {
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return fmt.Errorf("Unable to retrieve ipv4 address for %s", host)
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}
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ctx := context.Background()
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initReq := swarm.InitRequest{
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ListenAddr: "0.0.0.0:2377",
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AdvertiseAddr: string(ipv4),
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}
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if _, err := cl.SwarmInit(ctx, initReq); err != nil {
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return err
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}
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netOpts := types.NetworkCreate{Driver: "overlay", Scope: "swarm"}
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if _, err := cl.NetworkCreate(ctx, "proxy", netOpts); err != nil {
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return err
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}
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return nil
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},
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}
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// Reminder: The list commands are in is the order they appear in the help menu
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var ServerCommand = &cli.Command{
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Name: "server",
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ArgsUsage: "<host>",
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Usage: "Manage the servers that host your apps",
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Description: `
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Manage the lifecycle of a server.
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These commands support creating new servers using 3rd party integrations,
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initialising existing servers to support Co-op Cloud deployments and managing
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the connections to those servers.
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`,
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Subcommands: []*cli.Command{
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serverNewCommand,
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serverInitCommand,
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serverAddCommand,
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serverListCommand,
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serverRemoveCommand,
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},
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}
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