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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| package docker | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "sort" | ||
| "strings" | ||
|
|
||
| "github.com/charmbracelet/lipgloss" | ||
| "github.com/docker/docker/api/types" | ||
| "github.com/docker/docker/client" | ||
| "github.com/jon4hz/gmotd/context" | ||
| "github.com/jon4hz/gmotd/styles" | ||
| ) | ||
|
|
||
| type Section struct{} | ||
|
|
||
| func (Section) String() string { return "docker" } | ||
|
|
||
| func (Section) Gather(c *context.Context) error { | ||
| cli, err := client.NewClientWithOpts(client.FromEnv) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to create docker client: %w", err) | ||
| } | ||
|
|
||
| containers, err := cli.ContainerList(c, types.ContainerListOptions{All: true}) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to get docker container list: %w", err) | ||
| } | ||
|
|
||
| dcs := make([]context.DockerContainer, len(containers)) | ||
| for i, container := range containers { | ||
| dcs[i] = context.DockerContainer{ | ||
| Name: strings.TrimPrefix(container.Names[0], "/"), | ||
| State: container.State, | ||
| Healthy: !strings.Contains(container.Status, "unhealthy"), | ||
| } | ||
| } | ||
|
|
||
| sort.Slice(dcs, func(i, j int) bool { | ||
| return dcs[i].Name < dcs[j].Name | ||
| }) | ||
|
|
||
| c.Docker = &context.Docker{ | ||
| Containers: dcs, | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| var ( | ||
| keyStyle = lipgloss.NewStyle() | ||
| valueStyle = lipgloss.NewStyle().Bold(true) | ||
| leftColumnStyle = lipgloss.NewStyle().PaddingRight(4) | ||
| ) | ||
|
|
||
| func (Section) Print(ctx *context.Context) string { | ||
| c := ctx.Docker | ||
| if c == nil { | ||
| return "" | ||
| } | ||
|
|
||
| containers := make([]string, 0, len(c.Containers)) | ||
| oddAdd := 0 | ||
| if cap(containers)%2 != 0 { | ||
| oddAdd = 1 | ||
| } | ||
|
|
||
| containers = append(containers, renderColumn(c.Containers[:len(c.Containers)/2+oddAdd])...) | ||
| containers = append(containers, renderColumn(c.Containers[len(c.Containers)/2+oddAdd:])...) | ||
|
|
||
| leftColumn := lipgloss.JoinVertical(lipgloss.Top, containers[:len(containers)/2+oddAdd]...) | ||
| bothColumns := lipgloss.JoinHorizontal(lipgloss.Left, | ||
| leftColumnStyle.Render(leftColumn), | ||
| lipgloss.JoinVertical(lipgloss.Top, | ||
| containers[len(containers)/2+oddAdd:]..., | ||
| ), | ||
| ) | ||
|
|
||
| return lipgloss.JoinVertical(lipgloss.Top, | ||
| "docker status:", | ||
| styles.Indent.Render(bothColumns), | ||
| ) | ||
| } | ||
|
|
||
| func renderColumn(c []context.DockerContainer) []string { | ||
| lnw := longestNameWidth(c) | ||
| containers := make([]string, len(c)) | ||
| for i, container := range c { | ||
| containers[i] = renderContainer(container, lnw) | ||
| } | ||
| return containers | ||
| } | ||
|
|
||
| func renderContainer(c context.DockerContainer, lnw int) string { | ||
| switch c.State { | ||
| case "running": | ||
| if c.Healthy { | ||
| valueStyle.Foreground(styles.Green.GetForeground()) | ||
| c.State = "up" | ||
| } else { | ||
| valueStyle.Foreground(styles.Red.GetForeground()) | ||
| c.State = "unhealthy" | ||
| } | ||
| case "exited": | ||
| valueStyle.Foreground(styles.Orange.GetForeground()) | ||
| } | ||
|
|
||
| return keyStyle.Width(lnw).Render(c.Name+":") + " " + valueStyle.Render(c.State) | ||
| } | ||
|
|
||
| func longestNameWidth(c []context.DockerContainer) int { | ||
| l := 0 | ||
| for _, container := range c { | ||
| if w := lipgloss.Width(container.Name) + 1; w > l { | ||
| l = w | ||
| } | ||
| } | ||
| return l | ||
| } |