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// Copyright (c) 2019-2023, Sylabs Inc. All rights reserved.
// Copyright (c) 2020, Control Command Inc. All rights reserved.
// This software is licensed under a 3-clause BSD license. Please consult the
// LICENSE.md file distributed with the sources of this project regarding your
// rights to use or distribute this software.
package singularity
import (
"fmt"
"os"
"sort"
"text/tabwriter"
"github.com/sylabs/singularity/v4/internal/pkg/remote"
)
const listLine = "%s\t%s\t%s\t%s\t%s\t%s\n"
// RemoteList prints information about remote configurations
func RemoteList(usrConfigFile string) (err error) {
c := &remote.Config{}
// opening config file
file, err := os.OpenFile(usrConfigFile, os.O_RDONLY|os.O_CREATE, 0o600)
if err != nil {
if os.IsNotExist(err) {
return fmt.Errorf("no remote configurations")
}
return fmt.Errorf("while opening remote config file: %s", err)
}
defer file.Close()
// read file contents to config struct
c, err = remote.ReadFrom(file)
if err != nil {
return fmt.Errorf("while parsing remote config data: %s", err)
}
if err := syncSysConfig(c); err != nil {
return err
}
// list in alphanumeric order
names := make([]string, 0, len(c.Remotes))
for n := range c.Remotes {
names = append(names, n)
}
sort.Slice(names, func(i, j int) bool {
iName, jName := names[i], names[j]
if c.Remotes[iName].System && !c.Remotes[jName].System {
return true
} else if !c.Remotes[iName].System && c.Remotes[jName].System {
return false
}
return names[i] < names[j]
})
sort.Strings(names)
fmt.Println()
tw := tabwriter.NewWriter(os.Stdout, 0, 0, 2, ' ', 0)
fmt.Fprintf(tw, listLine, "NAME", "URI", "DEFAULT?", "GLOBAL?", "EXCLUSIVE?", "SECURE?")
for _, n := range names {
sys := ""
if c.Remotes[n].System {
sys = "✓"
}
excl := ""
if c.Remotes[n].Exclusive {
excl = "✓"
}
secure := "✓"
if c.Remotes[n].Insecure {
secure = "✗!"
}
isDefault := ""
if c.DefaultRemote != "" && c.DefaultRemote == n {
isDefault = "✓"
}
fmt.Fprintf(tw, listLine, n, c.Remotes[n].URI, isDefault, sys, excl, secure)
}
tw.Flush()
return nil
}
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