Function reloadHosts

cmd/fssh/shell_commands.go:587–636

reloadHosts reloads host information into the context

(ctx *ShellContext)

// reloadHosts reloads host information into the context
func reloadHosts(ctx *ShellContext) error {
	// Reload host infos
	infos, err := sshconfig.LoadHostInfos()
	if err != nil {
		return err
	}

	// Rebuild all mappings
	ctx.infos = infos
	ctx.hosts = make([]string, 0, len(infos))
	ctx.byName = make(map[string]sshconfig.HostInfo)
	ctx.byHostname = make(map[string]sshconfig.HostInfo)
	ctx.ipToName = make(map[string]string)
	ctx.idToName = make(map[string]string)
	ctx.hostnames = []string{}
	ctx.ips = []string{}
	ctx.ids = []string{}

	for _, hi := range infos {
		ctx.hosts = append(ctx.hosts, hi.Name)
		ctx.byName[hi.Name] = hi
	}

	for _, hi := range infos {
		hn := displayHostname(hi)
		if hn != "" {
			ctx.byHostname[hn] = hi
			ctx.hostnames = append(ctx.hostnames, hn)
		}
	}

	for i, hi := range infos {
		id := fmt.Sprintf("%d", i+1)
		ctx.idToName[id] = hi.Name
		ctx.ids = append(ctx.ids, id)
	}

	for _, hi := range infos {
		hn := displayHostname(hi)
		ip := resolveIPName(hn)
		if ip != "" {
			ctx.ips = append(ctx.ips, ip)
			if _, ok := ctx.ipToName[ip]; !ok {
				ctx.ipToName[ip] = hi.Name
			}
		}
	}

	return nil
}

// cmdGlobalShow displays the current Host * configuration
func cmdGlobalShow(ctx *ShellContext) error {