podman/cmd/podmanV2/report/templates.go

71 lines
1.5 KiB
Go

package report
import (
"strings"
"text/template"
"time"
"unicode"
"github.com/docker/go-units"
)
var defaultFuncMap = template.FuncMap{
"ellipsis": func(s string, length int) string {
if len(s) > length {
return s[:length-3] + "..."
}
return s
},
"humanDuration": func(t int64) string {
return units.HumanDuration(time.Since(time.Unix(t, 0))) + " ago"
},
"humanSize": func(sz int64) string {
s := units.HumanSizeWithPrecision(float64(sz), 3)
i := strings.LastIndexFunc(s, unicode.IsNumber)
return s[:i+1] + " " + s[i+1:]
},
"join": strings.Join,
"lower": strings.ToLower,
"rfc3339": func(t int64) string {
return time.Unix(t, 0).Format(time.RFC3339)
},
"replace": strings.Replace,
"split": strings.Split,
"title": strings.Title,
"upper": strings.ToUpper,
// TODO: Remove after Go 1.14 port
"slice": func(s string, i, j int) string {
if i > j || len(s) < i {
return s
}
if len(s) < j {
return s[i:]
}
return s[i:j]
},
}
func ReportHeader(columns ...string) []byte {
hdr := make([]string, len(columns))
for i, h := range columns {
hdr[i] = strings.ToUpper(h)
}
return []byte(strings.Join(hdr, "\t") + "\n")
}
func AppendFuncMap(funcMap template.FuncMap) template.FuncMap {
merged := PodmanTemplateFuncs()
for k, v := range funcMap {
merged[k] = v
}
return merged
}
func PodmanTemplateFuncs() template.FuncMap {
merged := make(template.FuncMap)
for k, v := range defaultFuncMap {
merged[k] = v
}
return merged
}