selfhost

type DryRun struct{ Out io.Writer }

type Host interface {
	Run(ctx context.Context, name string, args ...string) (string, error)
	// RunInput runs a command with stdin (a restore feeds the dump in).
	RunInput(ctx context.Context, in io.Reader, name string, args ...string) (string, error)
	ReadFile(path string) ([]byte, error)
	WriteFile(path string, data []byte, perm os.FileMode) error
	Remove(path string) error
	MkdirAll(path string, perm os.FileMode) error
}

type Options struct {
	// Domain the server answers on, with HTTPS from Let's Encrypt; its DNS must point
	// here and ports 80 and 443 be open.
	Domain string
	// Workspace and Owner make the platform's one workspace at its first start: its
	// name and its owner's email. A later install keeps them unless given again.
	Workspace, Owner string
	// Mail sends invites: "log" or smtp://user:password@host:587, from MailFrom.
	Mail, MailFrom string
	// Proxy puts the platform behind a proxy of the host's own (nginx, Caddy…) that
	// holds the domain's certificate: the platform serves plain HTTP on Listen
	// (127.0.0.1:7481 by default) and trusts X-Forwarded-For.
	Proxy  bool
	Listen string
	// Binary is the devopus-server binary systemd runs.
	Binary string
	Log    io.Writer
}

type Status struct {
	Installed bool
	Domain    string
	// URL is where the server answers on this host: its domain, or behind a proxy of
	// the host its own address.
	URL      string
	Service  string // active, inactive, failed…
	Database string // running, stopped, missing
}

type System struct{}