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authorLuap99 <45212748+Luap99@users.noreply.github.com>2020-11-30 18:04:55 +0100
committerPaul Holzinger <paul.holzinger@web.de>2020-11-30 18:10:26 +0100
commitf3402c73d4a21dca68573babb3554c13cb878505 (patch)
treea8fe137a53091a3c7f9ad57574dee79a17484fd4 /cmd/podman
parentfc85ec942ee3273f5ad56381a0f6b9e78aea59bf (diff)
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Revert "Allow multiple --network flags for podman run/create"
As described in issue #8507 this commit contains a breaking change which is not wanted in v2.2. We can discuss later if we want this in 3.0 or not. Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
Diffstat (limited to 'cmd/podman')
-rw-r--r--cmd/podman/common/netflags.go34
-rw-r--r--cmd/podman/pods/create.go28
2 files changed, 42 insertions, 20 deletions
diff --git a/cmd/podman/common/netflags.go b/cmd/podman/common/netflags.go
index 898d65bd0..cae52ccaa 100644
--- a/cmd/podman/common/netflags.go
+++ b/cmd/podman/common/netflags.go
@@ -59,8 +59,8 @@ func DefineNetFlags(cmd *cobra.Command) {
_ = cmd.RegisterFlagCompletionFunc(macAddressFlagName, completion.AutocompleteNone)
networkFlagName := "network"
- netFlags.StringArray(
- networkFlagName, []string{containerConfig.NetNS()},
+ netFlags.String(
+ networkFlagName, containerConfig.NetNS(),
"Connect a container to a network",
)
_ = cmd.RegisterFlagCompletionFunc(networkFlagName, AutocompleteNetworks)
@@ -194,29 +194,25 @@ func NetFlagsToNetOptions(cmd *cobra.Command) (*entities.NetOptions, error) {
}
if cmd.Flags().Changed("network") {
- networks, err := cmd.Flags().GetStringArray("network")
+ network, err := cmd.Flags().GetString("network")
if err != nil {
return nil, err
}
- for i, network := range networks {
- parts := strings.SplitN(network, ":", 2)
- ns, cniNets, err := specgen.ParseNetworkNamespace(network)
- if err != nil {
- return nil, err
- }
- if i > 0 && (len(cniNets) == 0 || len(opts.CNINetworks) == 0) {
- return nil, errors.Errorf("network conflict between type %s and %s", opts.Network.NSMode, ns.NSMode)
- }
+ parts := strings.SplitN(network, ":", 2)
- if len(parts) > 1 {
- opts.NetworkOptions = make(map[string][]string)
- opts.NetworkOptions[parts[0]] = strings.Split(parts[1], ",")
- cniNets = nil
- }
- opts.Network = ns
- opts.CNINetworks = append(opts.CNINetworks, cniNets...)
+ ns, cniNets, err := specgen.ParseNetworkNamespace(network)
+ if err != nil {
+ return nil, err
+ }
+
+ if len(parts) > 1 {
+ opts.NetworkOptions = make(map[string][]string)
+ opts.NetworkOptions[parts[0]] = strings.Split(parts[1], ",")
+ cniNets = nil
}
+ opts.Network = ns
+ opts.CNINetworks = cniNets
}
aliases, err := cmd.Flags().GetStringSlice("network-alias")
diff --git a/cmd/podman/pods/create.go b/cmd/podman/pods/create.go
index 5b0aa2fe4..d997ea344 100644
--- a/cmd/podman/pods/create.go
+++ b/cmd/podman/pods/create.go
@@ -171,7 +171,33 @@ func create(cmd *cobra.Command, args []string) error {
if err != nil {
return err
}
-
+ createOptions.Net.Network = specgen.Namespace{}
+ if cmd.Flag("network").Changed {
+ netInput, err := cmd.Flags().GetString("network")
+ if err != nil {
+ return err
+ }
+ parts := strings.SplitN(netInput, ":", 2)
+
+ n := specgen.Namespace{}
+ switch {
+ case netInput == "bridge":
+ n.NSMode = specgen.Bridge
+ case netInput == "host":
+ n.NSMode = specgen.Host
+ case netInput == "slirp4netns", strings.HasPrefix(netInput, "slirp4netns:"):
+ n.NSMode = specgen.Slirp
+ if len(parts) > 1 {
+ createOptions.Net.NetworkOptions = make(map[string][]string)
+ createOptions.Net.NetworkOptions[parts[0]] = strings.Split(parts[1], ",")
+ }
+ default:
+ // Container and NS mode are presently unsupported
+ n.NSMode = specgen.Bridge
+ createOptions.Net.CNINetworks = strings.Split(netInput, ",")
+ }
+ createOptions.Net.Network = n
+ }
if len(createOptions.Net.PublishPorts) > 0 {
if !createOptions.Infra {
return errors.Errorf("you must have an infra container to publish port bindings to the host")