f19619ef9f
This commit adds a new environment package that manages all calls to the underlying operating system.
55 lines
2.1 KiB
Go
55 lines
2.1 KiB
Go
package wisski_distillery
|
|
|
|
import (
|
|
"os/user"
|
|
|
|
"github.com/FAU-CDI/wisski-distillery/internal/core"
|
|
"github.com/FAU-CDI/wisski-distillery/internal/wisski"
|
|
"github.com/tkw1536/goprogram"
|
|
"github.com/tkw1536/goprogram/exit"
|
|
)
|
|
|
|
// these define the ggman-specific program types
|
|
// none of these are strictly needed, they're just around for convenience
|
|
type wdcliEnv = *wisski.Distillery
|
|
type wdcliParameters = core.Params
|
|
type wdcliRequirements = core.Requirements
|
|
type wdCliFlags = core.Flags
|
|
|
|
type Program = goprogram.Program[wdcliEnv, wdcliParameters, wdCliFlags, wdcliRequirements]
|
|
type Command = goprogram.Command[wdcliEnv, wdcliParameters, wdCliFlags, wdcliRequirements]
|
|
type Context = goprogram.Context[wdcliEnv, wdcliParameters, wdCliFlags, wdcliRequirements]
|
|
type Arguments = goprogram.Arguments[wdCliFlags]
|
|
type Description = goprogram.Description[wdCliFlags, wdcliRequirements]
|
|
|
|
// an error when nor arguments are provided.
|
|
var errUserIsNotRoot = exit.Error{
|
|
ExitCode: exit.ExitGeneralArguments,
|
|
Message: "This command has to be executed as root. The current user is not root.",
|
|
}
|
|
|
|
var warnNoDeployWdcli = "Warning: Not using %q executable at %q. This might leave the distillery in an inconsistent state. \n"
|
|
|
|
func NewProgram() Program {
|
|
return Program{
|
|
BeforeCommand: func(context Context, command Command) error {
|
|
// make sure that we are root!
|
|
usr, err := user.Current()
|
|
if err != nil || usr.Uid != "0" || usr.Gid != "0" {
|
|
return errUserIsNotRoot
|
|
}
|
|
|
|
// when not running inside docker and we need a distillery
|
|
// then we should warn if we are not using the distillery executable.
|
|
if dis := context.Environment; !context.Args.Flags.InternalInDocker && context.Description.Requirements.NeedsDistillery && !dis.Config.UsingDistilleryExecutable(dis.Environment) {
|
|
context.EPrintf(warnNoDeployWdcli, core.Executable, dis.Config.ExecutablePath())
|
|
}
|
|
|
|
return nil
|
|
},
|
|
|
|
NewEnvironment: func(params wdcliParameters, context Context) (e wdcliEnv, err error) {
|
|
return wisski.NewDistillery(params, context.Args.Flags, context.Description.Requirements)
|
|
},
|
|
}
|
|
}
|