func containerValidConfigKey(d *Daemon, key string, value string) error {
f, err := shared.ConfigKeyChecker(key)
if err != nil {
return err
}
if err = f(value); err != nil {
return err
}
if key == "raw.lxc" {
return lxcValidConfig(value)
}
if key == "security.syscalls.blacklist_compat" {
for _, arch := range d.architectures {
if arch == shared.ARCH_64BIT_INTEL_X86 ||
arch == shared.ARCH_64BIT_ARMV8_LITTLE_ENDIAN ||
arch == shared.ARCH_64BIT_POWERPC_BIG_ENDIAN {
return nil
}
}
return fmt.Errorf("security.syscalls.blacklist_compat isn't supported on this architecture")
}
return nil
}
func (c *listCmd) parseColumns() ([]column, error) {
columnsShorthandMap := map[rune]column{
'4': column{i18n.G("IPV4"), c.IP4ColumnData, true, false},
'6': column{i18n.G("IPV6"), c.IP6ColumnData, true, false},
'a': column{i18n.G("ARCHITECTURE"), c.ArchitectureColumnData, false, false},
'c': column{i18n.G("CREATED AT"), c.CreatedColumnData, false, false},
'l': column{i18n.G("LAST USED AT"), c.LastUsedColumnData, false, false},
'n': column{i18n.G("NAME"), c.nameColumnData, false, false},
'p': column{i18n.G("PID"), c.PIDColumnData, true, false},
'P': column{i18n.G("PROFILES"), c.ProfilesColumnData, false, false},
'S': column{i18n.G("SNAPSHOTS"), c.numberSnapshotsColumnData, false, true},
's': column{i18n.G("STATE"), c.statusColumnData, false, false},
't': column{i18n.G("TYPE"), c.typeColumnData, false, false},
}
if c.fast {
c.columnsRaw = "nsacPt"
}
columnList := strings.Split(c.columnsRaw, ",")
columns := []column{}
for _, columnEntry := range columnList {
if columnEntry == "" {
return nil, fmt.Errorf("Empty column entry (redundant, leading or trailing command) in '%s'", c.columnsRaw)
}
// Config keys always contain a period, parse anything without a
// period as a series of shorthand runes.
if !strings.Contains(columnEntry, ".") {
for _, columnRune := range columnEntry {
if column, ok := columnsShorthandMap[columnRune]; ok {
columns = append(columns, column)
} else {
return nil, fmt.Errorf("Unknown column shorthand char '%c' in '%s'", columnRune, columnEntry)
}
}
} else {
cc := strings.Split(columnEntry, ":")
if len(cc) > 3 {
return nil, fmt.Errorf("Invalid config key column format (too many fields): '%s'", columnEntry)
}
k := cc[0]
if _, err := shared.ConfigKeyChecker(k); err != nil {
return nil, fmt.Errorf("Invalid config key '%s' in '%s'", k, columnEntry)
}
column := column{Name: k}
if len(cc) > 1 {
if len(cc[1]) == 0 && len(cc) != 3 {
return nil, fmt.Errorf("Invalid name in '%s', empty string is only allowed when defining maxWidth", columnEntry)
}
column.Name = cc[1]
}
maxWidth := -1
if len(cc) > 2 {
temp, err := strconv.ParseInt(cc[2], 10, 64)
if err != nil {
return nil, fmt.Errorf("Invalid max width (must be an integer) '%s' in '%s'", cc[2], columnEntry)
}
if temp < -1 {
return nil, fmt.Errorf("Invalid max width (must -1, 0 or a positive integer) '%s' in '%s'", cc[2], columnEntry)
}
if temp == 0 {
maxWidth = len(column.Name)
} else {
maxWidth = int(temp)
}
}
column.Data = func(cInfo shared.ContainerInfo, cState *shared.ContainerState, cSnaps []shared.SnapshotInfo) string {
v, ok := cInfo.Config[k]
if !ok {
v, ok = cInfo.ExpandedConfig[k]
}
// Truncate the data according to the max width. A negative max width
// indicates there is no effective limit.
if maxWidth > 0 && len(v) > maxWidth {
return v[:maxWidth]
}
return v
}
columns = append(columns, column)
}
}
return columns, nil
}