podman/pkg/systemd/quadlet/podmancmdline.go

61 lines
1.2 KiB
Go

package quadlet
import (
"fmt"
"sort"
)
/* This is a helper for constructing podman commandlines */
type PodmanCmdline struct {
Args []string
}
func (c *PodmanCmdline) add(args ...string) {
c.Args = append(c.Args, args...)
}
func (c *PodmanCmdline) addf(format string, a ...interface{}) {
c.add(fmt.Sprintf(format, a...))
}
func (c *PodmanCmdline) addKeys(arg string, keys map[string]string) {
ks := make([]string, 0, len(keys))
for k := range keys {
ks = append(ks, k)
}
sort.Strings(ks)
for _, k := range ks {
c.add(arg, fmt.Sprintf("%s=%s", k, keys[k]))
}
}
func (c *PodmanCmdline) addEnv(env map[string]string) {
c.addKeys("--env", env)
}
func (c *PodmanCmdline) addLabels(labels map[string]string) {
c.addKeys("--label", labels)
}
func (c *PodmanCmdline) addAnnotations(annotations map[string]string) {
c.addKeys("--annotation", annotations)
}
func (c *PodmanCmdline) addIDMap(argPrefix string, containerIDStart, hostIDStart, numIDs uint32) {
if numIDs != 0 {
c.add(argPrefix)
c.addf("%d:%d:%d", containerIDStart, hostIDStart, numIDs)
}
}
func NewPodmanCmdline(args ...string) *PodmanCmdline {
c := &PodmanCmdline{
Args: make([]string, 0),
}
c.add("/usr/bin/podman")
c.add(args...)
return c
}