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authorKunal Kushwaha <kunal.kushwaha@gmail.com>2020-05-11 07:27:10 +0000
committerKunal Kushwaha <kunal.kushwaha@gmail.com>2020-05-20 02:53:47 +0000
commitade20f332319ff4df3eaf154f44caaae47d69011 (patch)
treed688a3d3e0fcad7fc19ff4d9c3dd7ce89fef3205
parent1dde2730e85706177c9a0e9078c26560a280f074 (diff)
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format option added to network inspect command.
This helps user to print the inspect output in go template format. Signed-off-by: Kunal Kushwaha <kunal.kushwaha@gmail.com>
-rw-r--r--cmd/podman/networks/inspect.go28
-rw-r--r--docs/source/markdown/podman-network-inspect.1.md14
2 files changed, 41 insertions, 1 deletions
diff --git a/cmd/podman/networks/inspect.go b/cmd/podman/networks/inspect.go
index 60cede894..1b2e89909 100644
--- a/cmd/podman/networks/inspect.go
+++ b/cmd/podman/networks/inspect.go
@@ -3,6 +3,10 @@ package network
import (
"encoding/json"
"fmt"
+ "html/template"
+ "io"
+ "os"
+ "strings"
"github.com/containers/libpod/cmd/podman/registry"
"github.com/containers/libpod/pkg/domain/entities"
@@ -24,12 +28,18 @@ var (
}
)
+var (
+ networkInspectOptions entities.NetworkInspectOptions
+)
+
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
Command: networkinspectCommand,
Parent: networkCmd,
})
+ flags := networkinspectCommand.Flags()
+ flags.StringVarP(&networkInspectOptions.Format, "format", "f", "", "Pretty-print network to JSON or using a Go template")
}
func networkInspect(cmd *cobra.Command, args []string) error {
@@ -41,6 +51,22 @@ func networkInspect(cmd *cobra.Command, args []string) error {
if err != nil {
return err
}
- fmt.Println(string(b))
+ if strings.ToLower(networkInspectOptions.Format) == "json" || networkInspectOptions.Format == "" {
+ fmt.Println(string(b))
+ } else {
+ var w io.Writer = os.Stdout
+ //There can be more than 1 in the inspect output.
+ format := "{{range . }}" + networkInspectOptions.Format + "{{end}}"
+ tmpl, err := template.New("inspectNetworks").Parse(format)
+ if err != nil {
+ return err
+ }
+ if err := tmpl.Execute(w, responses); err != nil {
+ return err
+ }
+ if flusher, ok := w.(interface{ Flush() error }); ok {
+ return flusher.Flush()
+ }
+ }
return nil
}
diff --git a/docs/source/markdown/podman-network-inspect.1.md b/docs/source/markdown/podman-network-inspect.1.md
index dfa7e4b0c..ca6875d18 100644
--- a/docs/source/markdown/podman-network-inspect.1.md
+++ b/docs/source/markdown/podman-network-inspect.1.md
@@ -9,6 +9,15 @@ podman\-network\-inspect - Displays the raw CNI network configuration for one or
## DESCRIPTION
Display the raw (JSON format) network configuration. This command is not available for rootless users.
+## OPTIONS
+**--quiet**, **-q**
+
+The `quiet` option will restrict the output to only the network names.
+
+**--format**, **-f**
+
+Pretty-print networks to JSON or using a Go template.
+
## EXAMPLE
Inspect the default podman network
@@ -43,6 +52,11 @@ Inspect the default podman network
]
```
+```
+# podman network inspect podman --format '{{(index .plugins 0).ipam.ranges}}'
+[[map[gateway:10.88.0.1 subnet:10.88.0.0/16]]]
+```
+
## SEE ALSO
podman(1), podman-network(1), podman-network-ls(1)