4b357476a3
This commit adds a new 'dis' component to the distillery that serves a list of all known instances for the moment.
57 lines
1.9 KiB
Go
57 lines
1.9 KiB
Go
package wisski_distillery
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import (
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"os/user"
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"github.com/FAU-CDI/wisski-distillery/core"
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"github.com/FAU-CDI/wisski-distillery/env"
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"github.com/tkw1536/goprogram"
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"github.com/tkw1536/goprogram/exit"
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)
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// these define the ggman-specific program types
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// none of these are strictly needed, they're just around for convenience
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type wdcliEnv = *env.Distillery
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type wdcliParameters = core.Params
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type wdcliRequirements = core.Requirements
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type wdCliFlags = core.Flags
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type Program = goprogram.Program[wdcliEnv, wdcliParameters, wdCliFlags, wdcliRequirements]
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type Command = goprogram.Command[wdcliEnv, wdcliParameters, wdCliFlags, wdcliRequirements]
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type Context = goprogram.Context[wdcliEnv, wdcliParameters, wdCliFlags, wdcliRequirements]
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type Arguments = goprogram.Arguments[wdCliFlags]
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type Description = goprogram.Description[wdCliFlags, wdcliRequirements]
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// an error when nor arguments are provided.
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var errUserIsNotRoot = exit.Error{
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ExitCode: exit.ExitGeneralArguments,
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Message: "This command has to be executed as root. The current user is not root.",
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}
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var warnNoDeployWdcli = "Warning: Not using %q executable at %q. This might leave the distillery in an inconsistent state. \n"
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func NewProgram() Program {
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return Program{
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BeforeCommand: func(context Context, command Command) error {
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// make sure that we are root!
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usr, err := user.Current()
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if err != nil || usr.Uid != "0" || usr.Gid != "0" {
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return errUserIsNotRoot
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}
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// warn when not using the distillery excutable
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if context.Description.Requirements.NeedsDistillery {
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dis := context.Environment
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if !dis.UsingDistilleryExecutable() {
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context.EPrintf(warnNoDeployWdcli, core.Executable, dis.ExecutablePath())
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}
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}
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return nil
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},
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NewEnvironment: func(params wdcliParameters, context Context) (e wdcliEnv, err error) {
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return env.NewDistillery(params, context.Args.Flags, context.Description.Requirements)
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},
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}
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}
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