summaryrefslogtreecommitdiff
path: root/cmd/podman
diff options
context:
space:
mode:
Diffstat (limited to 'cmd/podman')
-rw-r--r--cmd/podman/containers/commit.go2
-rw-r--r--cmd/podman/containers/ps.go138
-rw-r--r--cmd/podman/containers/run.go2
-rw-r--r--cmd/podman/containers/runlabel.go3
-rw-r--r--cmd/podman/containers/stats.go17
-rw-r--r--cmd/podman/generate/kube.go2
-rw-r--r--cmd/podman/images/history.go3
-rw-r--r--cmd/podman/images/list.go13
-rw-r--r--cmd/podman/images/pull.go3
-rw-r--r--cmd/podman/images/push.go3
-rw-r--r--cmd/podman/images/search.go25
-rw-r--r--cmd/podman/networks/list.go46
-rw-r--r--cmd/podman/parse/template.go22
-rw-r--r--cmd/podman/parse/template_test.go30
-rw-r--r--cmd/podman/play/kube.go3
-rw-r--r--cmd/podman/pods/ps.go9
-rw-r--r--cmd/podman/pods/stats.go3
-rw-r--r--cmd/podman/system/df.go28
-rw-r--r--cmd/podman/volumes/list.go5
19 files changed, 229 insertions, 128 deletions
diff --git a/cmd/podman/containers/commit.go b/cmd/podman/containers/commit.go
index 1b33d221d..412dbf7a8 100644
--- a/cmd/podman/containers/commit.go
+++ b/cmd/podman/containers/commit.go
@@ -95,7 +95,7 @@ func commit(cmd *cobra.Command, args []string) error {
}
if len(iidFile) > 0 {
if err = ioutil.WriteFile(iidFile, []byte(response.Id), 0644); err != nil {
- return errors.Wrapf(err, "failed to write image ID to file %q", iidFile)
+ return errors.Wrap(err, "failed to write image ID")
}
}
fmt.Println(response.Id)
diff --git a/cmd/podman/containers/ps.go b/cmd/podman/containers/ps.go
index 90f4db19c..7da430bc6 100644
--- a/cmd/podman/containers/ps.go
+++ b/cmd/podman/containers/ps.go
@@ -12,6 +12,7 @@ import (
tm "github.com/buger/goterm"
"github.com/containers/common/pkg/report"
+ "github.com/containers/podman/v2/cmd/podman/parse"
"github.com/containers/podman/v2/cmd/podman/registry"
"github.com/containers/podman/v2/cmd/podman/utils"
"github.com/containers/podman/v2/cmd/podman/validate"
@@ -40,9 +41,8 @@ var (
listOpts = entities.ContainerListOptions{
Filters: make(map[string][]string),
}
- filters []string
- noTrunc bool
- defaultHeaders = "CONTAINER ID\tIMAGE\tCOMMAND\tCREATED\tSTATUS\tPORTS\tNAMES"
+ filters []string
+ noTrunc bool
)
func init() {
@@ -91,10 +91,6 @@ func checkFlags(c *cobra.Command) error {
if listOpts.Size || listOpts.Namespace {
return errors.Errorf("quiet conflicts with size and namespace")
}
- if c.Flag("format").Changed && !report.IsJSON(listOpts.Format) {
- // Quiet is overridden by Go template output.
- listOpts.Quiet = false
- }
}
// Size and namespace conflict with each other
if listOpts.Size && listOpts.Namespace {
@@ -155,7 +151,7 @@ func getResponses() ([]entities.ListContainer, error) {
return responses, nil
}
-func ps(cmd *cobra.Command, args []string) error {
+func ps(cmd *cobra.Command, _ []string) error {
if err := checkFlags(cmd); err != nil {
return err
}
@@ -180,24 +176,22 @@ func ps(cmd *cobra.Command, args []string) error {
switch {
case report.IsJSON(listOpts.Format):
return jsonOut(listContainers)
- case listOpts.Quiet:
+ case listOpts.Quiet && !cmd.Flags().Changed("format"):
return quietOut(listContainers)
}
- // Output table Watch > 0 will refresh screen
responses := make([]psReporter, 0, len(listContainers))
for _, r := range listContainers {
responses = append(responses, psReporter{r})
}
- var headers, format string
+ hdrs, format := createPsOut()
if cmd.Flags().Changed("format") {
- headers = ""
format = report.NormalizeFormat(listOpts.Format)
- } else {
- headers, format = createPsOut()
+ format = parse.EnforceRange(format)
}
- format = headers + "{{range . }}" + format + "{{end}}"
+ ns := strings.NewReplacer(".Namespaces.", ".")
+ format = ns.Replace(format)
tmpl, err := template.New("listContainers").Parse(format)
if err != nil {
@@ -206,13 +200,19 @@ func ps(cmd *cobra.Command, args []string) error {
w := tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0)
defer w.Flush()
- if listOpts.Watch > 0 {
- for {
- var responses []psReporter
- tm.Clear()
- tm.MoveCursor(1, 1)
- tm.Flush()
+ headers := func() error { return nil }
+ if !(listOpts.Quiet || cmd.Flags().Changed("format")) {
+ headers = func() error {
+ return tmpl.Execute(w, hdrs)
+ }
+ }
+ switch {
+ // Output table Watch > 0 will refresh screen
+ case listOpts.Watch > 0:
+ // responses will grow to the largest number of processes reported on, but will not thrash the gc
+ var responses []psReporter
+ for ; ; responses = responses[:0] {
if ctnrs, err := getResponses(); err != nil {
return err
} else {
@@ -221,18 +221,27 @@ func ps(cmd *cobra.Command, args []string) error {
}
}
+ tm.Clear()
+ tm.MoveCursor(1, 1)
+ tm.Flush()
+
+ if err := headers(); err != nil {
+ return err
+ }
if err := tmpl.Execute(w, responses); err != nil {
return err
}
if err := w.Flush(); err != nil {
+ // we usually do not care about Flush() failures but here do not loop if Flush() has failed
return err
}
+
time.Sleep(time.Duration(listOpts.Watch) * time.Second)
- tm.Clear()
- tm.MoveCursor(1, 1)
- tm.Flush()
}
- } else if listOpts.Watch < 1 {
+ default:
+ if err := headers(); err != nil {
+ return err
+ }
if err := tmpl.Execute(w, responses); err != nil {
return err
}
@@ -241,30 +250,36 @@ func ps(cmd *cobra.Command, args []string) error {
}
// cannot use report.Headers() as it doesn't support structures as fields
-func createPsOut() (string, string) {
+func createPsOut() ([]map[string]string, string) {
+ hdrs := report.Headers(psReporter{}, map[string]string{
+ "Cgroup": "cgroupns",
+ "CreatedHuman": "created",
+ "ID": "container id",
+ "IPC": "ipc",
+ "MNT": "mnt",
+ "NET": "net",
+ "PIDNS": "pidns",
+ "Pod": "pod id",
+ "PodName": "podname", // undo camelcase space break
+ "UTS": "uts",
+ "User": "userns",
+ })
+
var row string
if listOpts.Namespace {
- headers := "CONTAINER ID\tNAMES\tPID\tCGROUPNS\tIPC\tMNT\tNET\tPIDNS\tUSERNS\tUTS\n"
- row := "{{.ID}}\t{{.Names}}\t{{.Pid}}\t{{.Namespaces.Cgroup}}\t{{.Namespaces.IPC}}\t{{.Namespaces.MNT}}\t{{.Namespaces.NET}}\t{{.Namespaces.PIDNS}}\t{{.Namespaces.User}}\t{{.Namespaces.UTS}}\n"
- return headers, row
- }
- headers := defaultHeaders
- row += "{{.ID}}"
- row += "\t{{.Image}}\t{{.Command}}\t{{.CreatedHuman}}\t{{.Status}}\t{{.Ports}}\t{{.Names}}"
+ row = "{{.ID}}\t{{.Names}}\t{{.Pid}}\t{{.Namespaces.Cgroup}}\t{{.Namespaces.IPC}}\t{{.Namespaces.MNT}}\t{{.Namespaces.NET}}\t{{.Namespaces.PIDNS}}\t{{.Namespaces.User}}\t{{.Namespaces.UTS}}"
+ } else {
+ row = "{{.ID}}\t{{.Image}}\t{{.Command}}\t{{.CreatedHuman}}\t{{.Status}}\t{{.Ports}}\t{{.Names}}"
- if listOpts.Pod {
- headers += "\tPOD ID\tPODNAME"
- row += "\t{{.Pod}}\t{{.PodName}}"
- }
+ if listOpts.Pod {
+ row += "\t{{.Pod}}\t{{.PodName}}"
+ }
- if listOpts.Size {
- headers += "\tSIZE"
- row += "\t{{.Size}}"
+ if listOpts.Size {
+ row += "\t{{.Size}}"
+ }
}
-
- headers = report.NormalizeFormat(headers)
- row = report.NormalizeFormat(row)
- return headers, row
+ return hdrs, "{{range .}}" + row + "\n{{end}}"
}
type psReporter struct {
@@ -367,6 +382,41 @@ func (l psReporter) CreatedHuman() string {
return units.HumanDuration(time.Since(time.Unix(l.Created, 0))) + " ago"
}
+// Cgroup exposes .Namespaces.Cgroup
+func (l psReporter) Cgroup() string {
+ return l.Namespaces.Cgroup
+}
+
+// IPC exposes .Namespaces.IPC
+func (l psReporter) IPC() string {
+ return l.Namespaces.IPC
+}
+
+// MNT exposes .Namespaces.MNT
+func (l psReporter) MNT() string {
+ return l.Namespaces.MNT
+}
+
+// NET exposes .Namespaces.NET
+func (l psReporter) NET() string {
+ return l.Namespaces.NET
+}
+
+// PIDNS exposes .Namespaces.PIDNS
+func (l psReporter) PIDNS() string {
+ return l.Namespaces.PIDNS
+}
+
+// User exposes .Namespaces.User
+func (l psReporter) User() string {
+ return l.Namespaces.User
+}
+
+// UTS exposes .Namespaces.UTS
+func (l psReporter) UTS() string {
+ return l.Namespaces.UTS
+}
+
// portsToString converts the ports used to a string of the from "port1, port2"
// and also groups a continuous list of ports into a readable format.
func portsToString(ports []ocicni.PortMapping) string {
diff --git a/cmd/podman/containers/run.go b/cmd/podman/containers/run.go
index 6cadbc7ec..780cd0c0d 100644
--- a/cmd/podman/containers/run.go
+++ b/cmd/podman/containers/run.go
@@ -108,7 +108,7 @@ func run(cmd *cobra.Command, args []string) error {
if af := cliVals.Authfile; len(af) > 0 {
if _, err := os.Stat(af); err != nil {
- return errors.Wrapf(err, "error checking authfile path %s", af)
+ return err
}
}
diff --git a/cmd/podman/containers/runlabel.go b/cmd/podman/containers/runlabel.go
index b49af36ab..92581c26f 100644
--- a/cmd/podman/containers/runlabel.go
+++ b/cmd/podman/containers/runlabel.go
@@ -8,7 +8,6 @@ import (
"github.com/containers/image/v5/types"
"github.com/containers/podman/v2/cmd/podman/registry"
"github.com/containers/podman/v2/pkg/domain/entities"
- "github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/spf13/cobra"
)
@@ -75,7 +74,7 @@ func runlabel(cmd *cobra.Command, args []string) error {
}
if runlabelOptions.Authfile != "" {
if _, err := os.Stat(runlabelOptions.Authfile); err != nil {
- return errors.Wrapf(err, "error getting authfile %s", runlabelOptions.Authfile)
+ return err
}
}
return registry.ContainerEngine().ContainerRunlabel(context.Background(), args[0], args[1], args[2:], runlabelOptions.ContainerRunlabelOptions)
diff --git a/cmd/podman/containers/stats.go b/cmd/podman/containers/stats.go
index 85e7a1e82..bfab469ca 100644
--- a/cmd/podman/containers/stats.go
+++ b/cmd/podman/containers/stats.go
@@ -8,6 +8,7 @@ import (
tm "github.com/buger/goterm"
"github.com/containers/common/pkg/report"
+ "github.com/containers/podman/v2/cmd/podman/parse"
"github.com/containers/podman/v2/cmd/podman/registry"
"github.com/containers/podman/v2/cmd/podman/validate"
"github.com/containers/podman/v2/libpod/define"
@@ -58,8 +59,7 @@ type statsOptionsCLI struct {
}
var (
- statsOptions statsOptionsCLI
- defaultStatsRow = "{{.ID}}\t{{.Name}}\t{{.CPUPerc}}\t{{.MemUsage}}\t{{.MemPerc}}\t{{.NetIO}}\t{{.BlockIO}}\t{{.PIDS}}\n"
+ statsOptions statsOptionsCLI
)
func statFlags(flags *pflag.FlagSet) {
@@ -159,19 +159,19 @@ func outputStats(reports []define.ContainerStats) error {
if report.IsJSON(statsOptions.Format) {
return outputJSON(stats)
}
- format := defaultStatsRow
-
+ format := "{{.ID}}\t{{.Name}}\t{{.CPUPerc}}\t{{.MemUsage}}\t{{.MemPerc}}\t{{.NetIO}}\t{{.BlockIO}}\t{{.PIDS}}\n"
if len(statsOptions.Format) > 0 {
format = report.NormalizeFormat(statsOptions.Format)
- } else if len(statsOptions.Format) < 1 {
- format = defaultStatsRow
}
- format = "{{range . }}" + format + "{{end}}"
+ format = parse.EnforceRange(format)
+
tmpl, err := template.New("stats").Parse(format)
if err != nil {
return err
}
w := tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0)
+ defer w.Flush()
+
if len(statsOptions.Format) < 1 {
if err := tmpl.Execute(w, headers); err != nil {
return err
@@ -180,9 +180,6 @@ func outputStats(reports []define.ContainerStats) error {
if err := tmpl.Execute(w, stats); err != nil {
return err
}
- if err := w.Flush(); err != nil {
- return err
- }
return nil
}
diff --git a/cmd/podman/generate/kube.go b/cmd/podman/generate/kube.go
index 4935fc60c..87f7501e3 100644
--- a/cmd/podman/generate/kube.go
+++ b/cmd/podman/generate/kube.go
@@ -55,7 +55,7 @@ func kube(cmd *cobra.Command, args []string) error {
}
if cmd.Flags().Changed("filename") {
if _, err := os.Stat(kubeFile); err == nil {
- return errors.Errorf("cannot write to %q", kubeFile)
+ return errors.Errorf("cannot write to %q; file exists", kubeFile)
}
if err := ioutil.WriteFile(kubeFile, content, 0644); err != nil {
return errors.Wrapf(err, "cannot write to %q", kubeFile)
diff --git a/cmd/podman/images/history.go b/cmd/podman/images/history.go
index 3075218d1..e9751b365 100644
--- a/cmd/podman/images/history.go
+++ b/cmd/podman/images/history.go
@@ -11,6 +11,7 @@ import (
"unicode"
"github.com/containers/common/pkg/report"
+ "github.com/containers/podman/v2/cmd/podman/parse"
"github.com/containers/podman/v2/cmd/podman/registry"
"github.com/containers/podman/v2/pkg/domain/entities"
"github.com/docker/go-units"
@@ -119,7 +120,7 @@ func history(cmd *cobra.Command, args []string) error {
case opts.quiet:
row = "{{.ID}}\n"
}
- format := "{{range . }}" + row + "{{end}}"
+ format := parse.EnforceRange(row)
tmpl, err := template.New("report").Parse(format)
if err != nil {
diff --git a/cmd/podman/images/list.go b/cmd/podman/images/list.go
index 489b15086..e24631b24 100644
--- a/cmd/podman/images/list.go
+++ b/cmd/podman/images/list.go
@@ -12,6 +12,7 @@ import (
"github.com/containers/common/pkg/report"
"github.com/containers/image/v5/docker/reference"
+ "github.com/containers/podman/v2/cmd/podman/parse"
"github.com/containers/podman/v2/cmd/podman/registry"
"github.com/containers/podman/v2/pkg/domain/entities"
"github.com/docker/go-units"
@@ -105,10 +106,10 @@ func images(cmd *cobra.Command, args []string) error {
return err
}
switch {
- case listFlag.quiet:
- return writeID(imgs)
case report.IsJSON(listFlag.format):
return writeJSON(imgs)
+ case listFlag.quiet:
+ return writeID(imgs)
default:
if cmd.Flag("format").Changed {
listFlag.noHeading = true // V1 compatibility
@@ -171,9 +172,13 @@ func writeTemplate(imgs []imageReporter) error {
} else {
row = report.NormalizeFormat(listFlag.format)
}
+ format := parse.EnforceRange(row)
+
+ tmpl, err := template.New("list").Parse(format)
+ if err != nil {
+ return err
+ }
- format := "{{range . }}" + row + "{{end}}"
- tmpl := template.Must(template.New("list").Parse(format))
w := tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0)
defer w.Flush()
diff --git a/cmd/podman/images/pull.go b/cmd/podman/images/pull.go
index 35ef80f3c..ab3b0a197 100644
--- a/cmd/podman/images/pull.go
+++ b/cmd/podman/images/pull.go
@@ -9,7 +9,6 @@ import (
"github.com/containers/podman/v2/cmd/podman/registry"
"github.com/containers/podman/v2/pkg/domain/entities"
"github.com/containers/podman/v2/pkg/util"
- "github.com/pkg/errors"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
)
@@ -104,7 +103,7 @@ func imagePull(cmd *cobra.Command, args []string) error {
}
if pullOptions.Authfile != "" {
if _, err := os.Stat(pullOptions.Authfile); err != nil {
- return errors.Wrapf(err, "error getting authfile %s", pullOptions.Authfile)
+ return err
}
}
diff --git a/cmd/podman/images/push.go b/cmd/podman/images/push.go
index 718bd4e8c..dd45a790f 100644
--- a/cmd/podman/images/push.go
+++ b/cmd/podman/images/push.go
@@ -8,7 +8,6 @@ import (
"github.com/containers/podman/v2/cmd/podman/registry"
"github.com/containers/podman/v2/pkg/domain/entities"
"github.com/containers/podman/v2/pkg/util"
- "github.com/pkg/errors"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
)
@@ -110,7 +109,7 @@ func imagePush(cmd *cobra.Command, args []string) error {
if pushOptions.Authfile != "" {
if _, err := os.Stat(pushOptions.Authfile); err != nil {
- return errors.Wrapf(err, "error getting authfile %s", pushOptions.Authfile)
+ return err
}
}
diff --git a/cmd/podman/images/search.go b/cmd/podman/images/search.go
index b1a1442a6..774b39d3a 100644
--- a/cmd/podman/images/search.go
+++ b/cmd/podman/images/search.go
@@ -8,6 +8,7 @@ import (
"github.com/containers/common/pkg/auth"
"github.com/containers/common/pkg/report"
"github.com/containers/image/v5/types"
+ "github.com/containers/podman/v2/cmd/podman/parse"
"github.com/containers/podman/v2/cmd/podman/registry"
"github.com/containers/podman/v2/pkg/domain/entities"
"github.com/pkg/errors"
@@ -98,10 +99,6 @@ func imageSearch(cmd *cobra.Command, args []string) error {
return errors.Errorf("search requires exactly one argument")
}
- if searchOptions.Limit > 100 {
- return errors.Errorf("Limit %d is outside the range of [1, 100]", searchOptions.Limit)
- }
-
if searchOptions.ListTags && len(searchOptions.Filters) != 0 {
return errors.Errorf("filters are not applicable to list tags result")
}
@@ -116,7 +113,7 @@ func imageSearch(cmd *cobra.Command, args []string) error {
if searchOptions.Authfile != "" {
if _, err := os.Stat(searchOptions.Authfile); err != nil {
- return errors.Wrapf(err, "error getting authfile %s", searchOptions.Authfile)
+ return err
}
}
@@ -130,26 +127,30 @@ func imageSearch(cmd *cobra.Command, args []string) error {
}
hdrs := report.Headers(entities.ImageSearchReport{}, nil)
- row := "{{.Index}}\t{{.Name}}\t{{.Description}}\t{{.Stars}}\t{{.Official}}\t{{.Automated}}\n"
- if searchOptions.ListTags {
+ renderHeaders := true
+ var row string
+ switch {
+ case searchOptions.ListTags:
if len(searchOptions.Filters) != 0 {
return errors.Errorf("filters are not applicable to list tags result")
}
row = "{{.Name}}\t{{.Tag}}\n"
- }
- if cmd.Flags().Changed("format") {
+ case cmd.Flags().Changed("format"):
+ renderHeaders = parse.HasTable(searchOptions.Format)
row = report.NormalizeFormat(searchOptions.Format)
+ default:
+ row = "{{.Index}}\t{{.Name}}\t{{.Description}}\t{{.Stars}}\t{{.Official}}\t{{.Automated}}\n"
}
- row = "{{range .}}" + row + "{{end}}"
+ format := parse.EnforceRange(row)
- tmpl, err := template.New("search").Parse(row)
+ tmpl, err := template.New("search").Parse(format)
if err != nil {
return err
}
w := tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0)
defer w.Flush()
- if !cmd.Flags().Changed("format") {
+ if renderHeaders {
if err := tmpl.Execute(w, hdrs); err != nil {
return errors.Wrapf(err, "failed to write search column headers")
}
diff --git a/cmd/podman/networks/list.go b/cmd/podman/networks/list.go
index 532af631e..f68e4ed75 100644
--- a/cmd/podman/networks/list.go
+++ b/cmd/podman/networks/list.go
@@ -8,6 +8,8 @@ import (
"text/tabwriter"
"text/template"
+ "github.com/containers/common/pkg/report"
+ "github.com/containers/podman/v2/cmd/podman/parse"
"github.com/containers/podman/v2/cmd/podman/registry"
"github.com/containers/podman/v2/cmd/podman/validate"
"github.com/containers/podman/v2/libpod/network"
@@ -30,8 +32,6 @@ var (
var (
networkListOptions entities.NetworkListOptions
- headers = "NAME\tVERSION\tPLUGINS\n"
- defaultListRow = "{{.Name}}\t{{.Version}}\t{{.Plugins}}\n"
)
func networkListFlags(flags *pflag.FlagSet) {
@@ -66,13 +66,12 @@ func networkList(cmd *cobra.Command, args []string) error {
return err
}
- // quiet means we only print the network names
- if networkListOptions.Quiet {
- return quietOut(responses)
- }
-
- if strings.ToLower(networkListOptions.Format) == "json" {
+ switch {
+ case report.IsJSON(networkListOptions.Format):
return jsonOut(responses)
+ case networkListOptions.Quiet:
+ // quiet means we only print the network names
+ return quietOut(responses)
}
nlprs := make([]ListPrintReports, 0, len(responses))
@@ -80,27 +79,32 @@ func networkList(cmd *cobra.Command, args []string) error {
nlprs = append(nlprs, ListPrintReports{r})
}
- row := networkListOptions.Format
- if len(row) < 1 {
- row = defaultListRow
- }
- if !strings.HasSuffix(row, "\n") {
- row += "\n"
+ headers := report.Headers(ListPrintReports{}, map[string]string{
+ "CNIVersion": "version",
+ "Plugins": "plugins",
+ })
+ renderHeaders := true
+ row := "{{.Name}}\t{{.Version}}\t{{.Plugins}}\n"
+ if cmd.Flags().Changed("format") {
+ renderHeaders = parse.HasTable(networkListOptions.Format)
+ row = report.NormalizeFormat(networkListOptions.Format)
}
+ format := parse.EnforceRange(row)
- format := "{{range . }}" + row + "{{end}}"
- if !cmd.Flag("format").Changed {
- format = headers + format
- }
tmpl, err := template.New("listNetworks").Parse(format)
if err != nil {
return err
}
w := tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0)
- if err := tmpl.Execute(w, nlprs); err != nil {
- return err
+ defer w.Flush()
+
+ if renderHeaders {
+ if err := tmpl.Execute(w, headers); err != nil {
+ return err
+ }
+
}
- return w.Flush()
+ return tmpl.Execute(w, nlprs)
}
func quietOut(responses []*entities.NetworkListReport) error {
diff --git a/cmd/podman/parse/template.go b/cmd/podman/parse/template.go
new file mode 100644
index 000000000..0b80f1b3a
--- /dev/null
+++ b/cmd/podman/parse/template.go
@@ -0,0 +1,22 @@
+package parse
+
+import (
+ "regexp"
+ "strings"
+)
+
+var rangeRegex = regexp.MustCompile(`{{\s*range\s*\.\s*}}.*{{\s*end\s*}}`)
+
+// TODO move to github.com/containers/common/pkg/report
+// EnforceRange ensures that the format string contains a range
+func EnforceRange(format string) string {
+ if !rangeRegex.MatchString(format) {
+ return "{{range .}}" + format + "{{end}}"
+ }
+ return format
+}
+
+// EnforceRange ensures that the format string contains a range
+func HasTable(format string) bool {
+ return strings.HasPrefix(format, "table ")
+}
diff --git a/cmd/podman/parse/template_test.go b/cmd/podman/parse/template_test.go
new file mode 100644
index 000000000..7880d9bec
--- /dev/null
+++ b/cmd/podman/parse/template_test.go
@@ -0,0 +1,30 @@
+package parse
+
+import (
+ "testing"
+
+ "github.com/stretchr/testify/assert"
+)
+
+func TestEnforceRange(t *testing.T) {
+ tests := []struct {
+ input string
+ expected string
+ }{
+ {"{{range .}}{{.ID}}{{end}}", "{{range .}}{{.ID}}{{end}}"},
+ {"{{.ID}}", "{{range .}}{{.ID}}{{end}}"},
+ {"{{ range . }}{{ .ID }}{{ end }}", "{{ range . }}{{ .ID }}{{ end }}"},
+ // EnforceRange does not verify syntax or semantics, that will happen later
+ {"{{range .}}{{.ID}}", "{{range .}}{{range .}}{{.ID}}{{end}}"},
+ {".ID", "{{range .}}.ID{{end}}"},
+ }
+
+ for _, tc := range tests {
+ tc := tc
+ label := "TestEnforceRange_" + tc.input
+ t.Run(label, func(t *testing.T) {
+ t.Parallel()
+ assert.Equal(t, tc.expected, EnforceRange(tc.input))
+ })
+ }
+}
diff --git a/cmd/podman/play/kube.go b/cmd/podman/play/kube.go
index 6072ea80c..feb112ad7 100644
--- a/cmd/podman/play/kube.go
+++ b/cmd/podman/play/kube.go
@@ -10,7 +10,6 @@ import (
"github.com/containers/podman/v2/cmd/podman/utils"
"github.com/containers/podman/v2/pkg/domain/entities"
"github.com/containers/podman/v2/pkg/util"
- "github.com/pkg/errors"
"github.com/spf13/cobra"
)
@@ -75,7 +74,7 @@ func kube(cmd *cobra.Command, args []string) error {
}
if kubeOptions.Authfile != "" {
if _, err := os.Stat(kubeOptions.Authfile); err != nil {
- return errors.Wrapf(err, "error getting authfile %s", kubeOptions.Authfile)
+ return err
}
}
if kubeOptions.CredentialsCLI != "" {
diff --git a/cmd/podman/pods/ps.go b/cmd/podman/pods/ps.go
index 688108c1a..40fc71780 100644
--- a/cmd/podman/pods/ps.go
+++ b/cmd/podman/pods/ps.go
@@ -11,6 +11,7 @@ import (
"time"
"github.com/containers/common/pkg/report"
+ "github.com/containers/podman/v2/cmd/podman/parse"
"github.com/containers/podman/v2/cmd/podman/registry"
"github.com/containers/podman/v2/cmd/podman/validate"
"github.com/containers/podman/v2/pkg/domain/entities"
@@ -113,20 +114,22 @@ func pods(cmd *cobra.Command, _ []string) error {
"Created": "CREATED",
"InfraID": "INFRA ID",
})
+ renderHeaders := true
row := podPsFormat()
if cmd.Flags().Changed("format") {
+ renderHeaders = parse.HasTable(psInput.Format)
row = report.NormalizeFormat(psInput.Format)
}
- row = "{{range . }}" + row + "{{end}}"
+ format := parse.EnforceRange(row)
- tmpl, err := template.New("listPods").Parse(row)
+ tmpl, err := template.New("listPods").Parse(format)
if err != nil {
return err
}
w := tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0)
defer w.Flush()
- if !psInput.Quiet && !cmd.Flag("format").Changed {
+ if renderHeaders {
if err := tmpl.Execute(w, headers); err != nil {
return err
}
diff --git a/cmd/podman/pods/stats.go b/cmd/podman/pods/stats.go
index 338f13d3e..c5d1e7f07 100644
--- a/cmd/podman/pods/stats.go
+++ b/cmd/podman/pods/stats.go
@@ -10,6 +10,7 @@ import (
"github.com/buger/goterm"
"github.com/containers/common/pkg/report"
+ "github.com/containers/podman/v2/cmd/podman/parse"
"github.com/containers/podman/v2/cmd/podman/registry"
"github.com/containers/podman/v2/cmd/podman/validate"
"github.com/containers/podman/v2/pkg/domain/entities"
@@ -135,7 +136,7 @@ func printFormattedPodStatsLines(headerNames []map[string]string, row string, st
return nil
}
- row = "{{range .}}" + row + "{{end}}"
+ row = parse.EnforceRange(row)
tmpl, err := template.New("pod stats").Parse(row)
if err != nil {
diff --git a/cmd/podman/system/df.go b/cmd/podman/system/df.go
index b11167938..fbdf274fb 100644
--- a/cmd/podman/system/df.go
+++ b/cmd/podman/system/df.go
@@ -9,6 +9,7 @@ import (
"time"
"github.com/containers/common/pkg/report"
+ "github.com/containers/podman/v2/cmd/podman/parse"
"github.com/containers/podman/v2/cmd/podman/registry"
"github.com/containers/podman/v2/cmd/podman/validate"
"github.com/containers/podman/v2/pkg/domain/entities"
@@ -55,7 +56,7 @@ func df(cmd *cobra.Command, args []string) error {
w := tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0)
if dfOptions.Verbose {
- return printVerbose(cmd, w, reports)
+ return printVerbose(w, cmd, reports)
}
return printSummary(w, cmd, reports)
}
@@ -131,20 +132,16 @@ func printSummary(w *tabwriter.Writer, cmd *cobra.Command, reports *entities.Sys
"Size": "SIZE",
"Reclaimable": "RECLAIMABLE",
})
-
row := "{{.Type}}\t{{.Total}}\t{{.Active}}\t{{.Size}}\t{{.Reclaimable}}\n"
if cmd.Flags().Changed("format") {
row = report.NormalizeFormat(dfOptions.Format)
}
- row = "{{range . }}" + row + "{{end}}"
-
- return writeTemplate(cmd, w, hdrs, row, dfSummaries)
+ return writeTemplate(w, cmd, hdrs, row, dfSummaries)
}
-func printVerbose(cmd *cobra.Command, w *tabwriter.Writer, reports *entities.SystemDfReport) error {
+func printVerbose(w *tabwriter.Writer, cmd *cobra.Command, reports *entities.SystemDfReport) error {
defer w.Flush()
- // Images
fmt.Fprint(w, "Images space usage:\n\n")
// convert to dfImage for output
dfImages := make([]*dfImage, 0, len(reports.Images))
@@ -157,14 +154,11 @@ func printVerbose(cmd *cobra.Command, w *tabwriter.Writer, reports *entities.Sys
"UniqueSize": "UNIQUE SIZE",
})
imageRow := "{{.Repository}}\t{{.Tag}}\t{{.ImageID}}\t{{.Created}}\t{{.Size}}\t{{.SharedSize}}\t{{.UniqueSize}}\t{{.Containers}}\n"
- format := "{{range . }}" + imageRow + "{{end}}"
- if err := writeTemplate(cmd, w, hdrs, format, dfImages); err != nil {
+ if err := writeTemplate(w, cmd, hdrs, imageRow, dfImages); err != nil {
return nil
}
- // Containers
fmt.Fprint(w, "\nContainers space usage:\n\n")
-
// convert to dfContainers for output
dfContainers := make([]*dfContainer, 0, len(reports.Containers))
for _, d := range reports.Containers {
@@ -176,14 +170,11 @@ func printVerbose(cmd *cobra.Command, w *tabwriter.Writer, reports *entities.Sys
"RWSize": "SIZE",
})
containerRow := "{{.ContainerID}}\t{{.Image}}\t{{.Command}}\t{{.LocalVolumes}}\t{{.RWSize}}\t{{.Created}}\t{{.Status}}\t{{.Names}}\n"
- format = "{{range . }}" + containerRow + "{{end}}"
- if err := writeTemplate(cmd, w, hdrs, format, dfContainers); err != nil {
+ if err := writeTemplate(w, cmd, hdrs, containerRow, dfContainers); err != nil {
return nil
}
- // Volumes
fmt.Fprint(w, "\nLocal Volumes space usage:\n\n")
-
dfVolumes := make([]*dfVolume, 0, len(reports.Volumes))
// convert to dfVolume for output
for _, d := range reports.Volumes {
@@ -193,14 +184,13 @@ func printVerbose(cmd *cobra.Command, w *tabwriter.Writer, reports *entities.Sys
"VolumeName": "VOLUME NAME",
})
volumeRow := "{{.VolumeName}}\t{{.Links}}\t{{.Size}}\n"
- format = "{{range . }}" + volumeRow + "{{end}}"
- return writeTemplate(cmd, w, hdrs, format, dfVolumes)
+ return writeTemplate(w, cmd, hdrs, volumeRow, dfVolumes)
}
-func writeTemplate(cmd *cobra.Command, w *tabwriter.Writer, hdrs []map[string]string, format string,
- output interface{}) error {
+func writeTemplate(w *tabwriter.Writer, cmd *cobra.Command, hdrs []map[string]string, format string, output interface{}) error {
defer w.Flush()
+ format = parse.EnforceRange(format)
tmpl, err := template.New("df").Parse(format)
if err != nil {
return err
diff --git a/cmd/podman/volumes/list.go b/cmd/podman/volumes/list.go
index b3b2b8ea1..ce0b7997d 100644
--- a/cmd/podman/volumes/list.go
+++ b/cmd/podman/volumes/list.go
@@ -9,6 +9,7 @@ import (
"text/template"
"github.com/containers/common/pkg/report"
+ "github.com/containers/podman/v2/cmd/podman/parse"
"github.com/containers/podman/v2/cmd/podman/registry"
"github.com/containers/podman/v2/cmd/podman/validate"
"github.com/containers/podman/v2/pkg/domain/entities"
@@ -91,9 +92,9 @@ func outputTemplate(cmd *cobra.Command, responses []*entities.VolumeListReport)
if cliOpts.Quiet {
row = "{{.Name}}\n"
}
- row = "{{range . }}" + row + "{{end}}"
+ format := parse.EnforceRange(row)
- tmpl, err := template.New("list volume").Parse(row)
+ tmpl, err := template.New("list volume").Parse(format)
if err != nil {
return err
}
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-10-30 11:34:14 +0000