summaryrefslogtreecommitdiff
path: root/cmd/podman/ps.go
diff options
context:
space:
mode:
authorbaude <bbaude@redhat.com>2019-01-29 15:12:29 -0600
committerbaude <bbaude@redhat.com>2019-01-30 08:32:28 -0600
commitca53122338168c867e75de0ce832d80ac7f27428 (patch)
tree6415911121b709e17bac8744ee13c3f639af872f /cmd/podman/ps.go
parentad5579e1d9905996612dd135467ee2ee5f62b7d3 (diff)
downloadpodman-ca53122338168c867e75de0ce832d80ac7f27428.tar.gz
podman-ca53122338168c867e75de0ce832d80ac7f27428.tar.bz2
podman-ca53122338168c867e75de0ce832d80ac7f27428.zip
Fix regression in ps with custom format
Using the table keyword in go templating had regressed and was no longer working. Fixes: 2221 Signed-off-by: baude <bbaude@redhat.com>
Diffstat (limited to 'cmd/podman/ps.go')
-rw-r--r--cmd/podman/ps.go41
1 files changed, 36 insertions, 5 deletions
diff --git a/cmd/podman/ps.go b/cmd/podman/ps.go
index 0ad3f4c73..1708c671c 100644
--- a/cmd/podman/ps.go
+++ b/cmd/podman/ps.go
@@ -606,19 +606,50 @@ func portsToString(ports []ocicni.PortMapping) string {
}
func printFormat(format string, containers []shared.PsContainerOutput) error {
- out := template.New("output")
- out, err := out.Parse(format + "\n")
+ // return immediately if no containers are present
+ if len(containers) == 0 {
+ return nil
+ }
+
+ // Use a tabwriter to align column format
+ w := tabwriter.NewWriter(os.Stdout, 0, 0, 3, ' ', 0)
+
+ // Make a map of the field names for the headers
+ headerNames := make(map[string]string)
+ v := reflect.ValueOf(containers[0])
+ t := v.Type()
+ for i := 0; i < t.NumField(); i++ {
+ headerNames[t.Field(i).Name] = t.Field(i).Name
+ }
+
+ // Spit out the header if "table" is present in the format
+ if strings.HasPrefix(format, "table") {
+ hformat := strings.Replace(strings.TrimSpace(format[5:]), " ", "\t", -1)
+ format = hformat
+ headerTmpl, err := template.New("header").Parse(hformat)
+ if err != nil {
+ return err
+ }
+ if err := headerTmpl.Execute(w, headerNames); err != nil {
+ return err
+ }
+ fmt.Fprintln(w, "")
+ }
+ // Spit out the data rows now
+ dataTmpl, err := template.New("data").Parse(format)
if err != nil {
return err
}
+
for _, container := range containers {
- if err := out.Execute(os.Stdout, container); err != nil {
+ if err := dataTmpl.Execute(w, container); err != nil {
return err
}
-
+ fmt.Fprintln(w, "")
}
- return nil
+ // Flush the writer
+ return w.Flush()
}
func dumpJSON(containers []shared.PsContainerOutput) error {