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Adds support for podman-compose #84

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Adds support for podman-compose #84

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0094606
added support for podman-compose and a checker to check if docker-com…
masonmahaffey Feb 14, 2024
396adaf
removed accidentally checked in code
masonmahaffey Feb 14, 2024
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23 changes: 19 additions & 4 deletions dockercompose/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -39,11 +39,26 @@ func New(file string) ComposeFile {
return result
}

// checkCommandAvailability checks if a command is available on the system.
func checkCommandAvailability(command string) bool {
_, err := exec.LookPath(command)
return err == nil
}

// Read reads the data structure from the file
// note that all variable interpolations are fully rendered
func (composeFile *ComposeFile) Read() error {
console.Debug("running docker-compose config [%s]", composeFile.File)
cmd := exec.Command("docker-compose", "-f", composeFile.File, "config")
var commandName string
var cmd *exec.Cmd

if checkCommandAvailability("docker-compose") {
console.Debug("running docker-compose config [%s]", composeFile.File)
cmd = exec.Command("docker-compose", "-f", composeFile.File, "config")
} else if checkCommandAvailability("podman-compose") {
console.Debug("docker-compose is not available, defaulting to podman-compose. Running podman-compose config [%s]", composeFile.File)
cmd = exec.Command("podman-compose", "-f", composeFile.File, "config")
} else {
return errors.New("neither docker-compose nor podman-compose is available on the system")
}

var outbuf, errbuf bytes.Buffer
cmd.Stdout = &outbuf
Expand All @@ -62,7 +77,7 @@ func (composeFile *ComposeFile) Read() error {
//is the yaml using the long port syntax?
compose, err := UnmarshalComposeYAML(outbuf.Bytes())
if err != nil {
return fmt.Errorf("unmarshalling docker compose yaml: %w", err)
return fmt.Errorf("unmarshalling %s compose yaml: %w", commandName, err)
}
if len(compose.Services) == 0 {
return errors.New("unable to parse compose file, no services found")
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