aceberg/miniboard

package docker

import (
    "context"
    "fmt"

    "github.com/docker/docker/api/types"
    "github.com/docker/docker/client"

    "github.com/aceberg/miniboard/internal/check"
    "github.com/aceberg/miniboard/internal/models"
)

// Panel - returns panel formed from Docker API
func Panel(panelName string) models.Panel {
    cli, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation())
    check.IfError(err)
    defer cli.Close()

    containers, err := cli.ContainerList(context.Background(), types.ContainerListOptions{})
    check.IfError(err)

    panel := models.Panel{}
    panel.Name = panelName
    panel.Hosts = make(map[int]models.Host)

    i := 0
    for _, container := range containers {
        name := container.Names[0]
        name = name[1:]
        ports := container.Ports

        for _, p := range ports {
            IP := p.IP
            port := p.PublicPort
            proto := p.Type

            if IP != "" && proto == "tcp" {
                host := models.Host{}
                host.Name = name
                host.Addr = IP
                host.Port = fmt.Sprintf("%d", port)

                panel.Hosts[i] = host
                i++
            }
        }
    }

    return panel
}