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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| package datasources | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "sort" | ||
| "strings" | ||
|
|
||
| "github.com/cosandr/go-motd/utils" | ||
| ) | ||
|
|
||
| type containerStatus struct { | ||
| Name string | ||
| Status string | ||
| } | ||
|
|
||
| type containerList struct { | ||
| Runtime string | ||
| Root bool | ||
| Containers []containerStatus | ||
| } | ||
|
|
||
| func (cl *containerList) toHeaderContent(ignoreList []string, failedOnly bool) (header string, content string, err error) { | ||
| // Make set of ignored containers | ||
| var ignoreSet utils.StringSet | ||
| ignoreSet = ignoreSet.FromList(ignoreList) | ||
| // Process output | ||
| var goodCont = make(map[string]string) | ||
| var failedCont = make(map[string]string) | ||
| var sortedNames []string | ||
| for _, c := range cl.Containers { | ||
| if ignoreSet.Contains(c.Name) { | ||
| continue | ||
| } | ||
| status := strings.ToLower(c.Status) | ||
| if status == "up" || status == "created" || status == "running" { | ||
| goodCont[c.Name] = status | ||
| } else { | ||
| failedCont[c.Name] = status | ||
| } | ||
| sortedNames = append(sortedNames, c.Name) | ||
| } | ||
| sort.Strings(sortedNames) | ||
|
|
||
| // Decide what header should be | ||
| if len(goodCont) == 0 { | ||
| header = fmt.Sprintf("%s: %s\n", utils.Wrap(cl.Runtime, padL, padR), utils.Err("critical")) | ||
| } else if len(failedCont) == 0 { | ||
| header = fmt.Sprintf("%s: %s\n", utils.Wrap(cl.Runtime, padL, padR), utils.Good("OK")) | ||
| if failedOnly { | ||
| return | ||
| } | ||
| } else if len(failedCont) < len(sortedNames) { | ||
| header = fmt.Sprintf("%s: %s\n", utils.Wrap(cl.Runtime, padL, padR), utils.Warn("warning")) | ||
| } | ||
| // Only print all containers if requested | ||
| for _, c := range sortedNames { | ||
| if val, ok := goodCont[c]; ok && !failedOnly { | ||
| content += fmt.Sprintf("%s: %s\n", utils.Wrap(c, padL, padR), utils.Good(val)) | ||
| } else if val, ok := failedCont[c]; ok { | ||
| content += fmt.Sprintf("%s: %s\n", utils.Wrap(c, padL, padR), utils.Err(val)) | ||
| } | ||
| } | ||
| return | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| package datasources | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "os/exec" | ||
| "strings" | ||
| ) | ||
|
|
||
| // getContainersExec returns container status using os/exec, ~5x slower than API | ||
| func getContainersExec(podman bool, sudo bool) (cl containerList, err error) { | ||
| var stdout bytes.Buffer | ||
| cl.Root = sudo | ||
| if podman { | ||
| cl.Runtime = "Podman" | ||
| } else { | ||
| cl.Runtime = "Docker" | ||
| } | ||
| var cmd *exec.Cmd | ||
| if sudo { | ||
| cmd = exec.Command("sudo", strings.ToLower(cl.Runtime), "ps", "--format", `"{{.Names}} {{.Status}}"`, "-a") | ||
| } else { | ||
| cmd = exec.Command(strings.ToLower(cl.Runtime), "ps", "--format", `"{{.Names}} {{.Status}}"`, "-a") | ||
| } | ||
| cmd.Stdout = &stdout | ||
| err = cmd.Run() | ||
| if err != nil { | ||
| return | ||
| } | ||
| for _, c := range strings.Split(stdout.String(), "\n") { | ||
| var tmp = strings.Split(strings.Trim(c, `"`), " ") | ||
| if len(tmp) < 2 { | ||
| continue | ||
| } | ||
| // tmp[0] - container name | ||
| // tmp[1] - container status (up/created/exited) | ||
| cl.Containers = append(cl.Containers, containerStatus{ | ||
| Name: tmp[0], | ||
| Status: tmp[1], | ||
| }) | ||
| } | ||
| return | ||
| } |
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