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Merge pull request #12611 from Luap99/ipv6 

add --ip6 flag to podman create/run
This commit is contained in:
OpenShift Merge Robot 2022-01-03 18:42:12 +01:00 committed by GitHub
parent 8ad8faa91f c496001d03
commit aaf90c5596
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 77 additions and 34 deletions
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53
cmd/podman/common/netflags.go
View File

@ -53,6 +53,13 @@ func DefineNetFlags(cmd *cobra.Command) {
)
_ = cmd.RegisterFlagCompletionFunc(ipFlagName, completion.AutocompleteNone)
ip6FlagName := "ip6"
netFlags.String(
ip6FlagName, "",
"Specify a static IPv6 address for the container",
)
_ = cmd.RegisterFlagCompletionFunc(ip6FlagName, completion.AutocompleteNone)
macAddressFlagName := "mac-address"
netFlags.String(
macAddressFlagName, "",
@ -185,7 +192,7 @@ func NetFlagsToNetOptions(opts *entities.NetOptions, flags pflag.FlagSet) (*enti
opts.Networks = networks
}
if flags.Changed("ip") || flags.Changed("mac-address") || flags.Changed("network-alias") {
if flags.Changed("ip") || flags.Changed("ip6") || flags.Changed("mac-address") || flags.Changed("network-alias") {
// if there is no network we add the default
if len(opts.Networks) == 0 {
opts.Networks = map[string]types.PerNetworkOptions{
@ -193,29 +200,31 @@ func NetFlagsToNetOptions(opts *entities.NetOptions, flags pflag.FlagSet) (*enti
}
}
ip, err := flags.GetString("ip")
if err != nil {
return nil, err
}
if ip != "" {
// if pod create --infra=false
if infra, err := flags.GetBool("infra"); err == nil && !infra {
return nil, errors.Wrap(define.ErrInvalidArg, "cannot set --ip without infra container")
for _, ipFlagName := range []string{"ip", "ip6"} {
ip, err := flags.GetString(ipFlagName)
if err != nil {
return nil, err
}
if ip != "" {
// if pod create --infra=false
if infra, err := flags.GetBool("infra"); err == nil && !infra {
return nil, errors.Wrapf(define.ErrInvalidArg, "cannot set --%s without infra container", ipFlagName)
}
staticIP := net.ParseIP(ip)
if staticIP == nil {
return nil, errors.Errorf("%s is not an ip address", ip)
}
if !opts.Network.IsBridge() && !opts.Network.IsDefault() {
return nil, errors.Wrap(define.ErrInvalidArg, "--ip can only be set when the network mode is bridge")
}
if len(opts.Networks) != 1 {
return nil, errors.Wrap(define.ErrInvalidArg, "--ip can only be set for a single network")
}
for name, netOpts := range opts.Networks {
netOpts.StaticIPs = append(netOpts.StaticIPs, staticIP)
opts.Networks[name] = netOpts
staticIP := net.ParseIP(ip)
if staticIP == nil {
return nil, errors.Errorf("%q is not an ip address", ip)
}
if !opts.Network.IsBridge() && !opts.Network.IsDefault() {
return nil, errors.Wrapf(define.ErrInvalidArg, "--%s can only be set when the network mode is bridge", ipFlagName)
}
if len(opts.Networks) != 1 {
return nil, errors.Wrapf(define.ErrInvalidArg, "--%s can only be set for a single network", ipFlagName)
}
for name, netOpts := range opts.Networks {
netOpts.StaticIPs = append(netOpts.StaticIPs, staticIP)
opts.Networks[name] = netOpts
}
}
}

17
docs/source/markdown/podman-create.1.md
View File

@ -474,19 +474,24 @@ Path to the container-init binary.
Keep STDIN open even if not attached. The default is *false*.
#### **--ip6**=*ip*
#### **--ip**=*ipv4*
Not implemented
#### **--ip**=*ip*
Specify a static IP address for the container, for example **10.88.64.128**.
Specify a static IPv4 address for the container, for example **10.88.64.128**.
This option can only be used if the container is joined to only a single network - i.e., **--network=network-name** is used at most once -
and if the container is not joining another container's network namespace via **--network=container:_id_**.
The address must be within the network's IP address pool (default **10.88.0.0/16**).
To specify multiple static IP addresses per container, set multiple networks using the **--network** option with a static IP address specified for each using the `ip` mode for that option.
#### **--ip6**=*ipv6*
Specify a static IPv6 address for the container, for example **fd46:db93:aa76:ac37::10**.
This option can only be used if the container is joined to only a single network - i.e., **--network=network-name** is used at most once -
and if the container is not joining another container's network namespace via **--network=container:_id_**.
The address must be within the network's IPv6 address pool.
To specify multiple static IPv6 addresses per container, set multiple networks using the **--network** option with a static IPv6 address specified for each using the `ip6` mode for that option.
#### **--ipc**=*ipc*

9
docs/source/markdown/podman-pod-create.1.md
View File

@ -127,6 +127,15 @@ The address must be within the network's IP address pool (default **10.88.0.0/16
To specify multiple static IP addresses per pod, set multiple networks using the **--network** option with a static IP address specified for each using the `ip` mode for that option.
#### **--ip6**=*ipv6*
Specify a static IPv6 address for the pod, for example **fd46:db93:aa76:ac37::10**.
This option can only be used if the pod is joined to only a single network - i.e., **--network=network-name** is used at most once -
and if the pod is not joining another container's network namespace via **--network=container:_id_**.
The address must be within the network's IPv6 address pool.
To specify multiple static IPv6 addresses per pod, set multiple networks using the **--network** option with a static IPv6 address specified for each using the `ip6` mode for that option.
#### **--label**=*label*, **-l**
Add metadata to a pod (e.g., --label com.example.key=value).

17
docs/source/markdown/podman-run.1.md
View File

@ -497,19 +497,24 @@ Path to the container-init binary.
When set to **true**, keep stdin open even if not attached. The default is **false**.
#### **--ip6**=*ip*
#### **--ip**=*ipv4*
Not implemented.
#### **--ip**=*ip*
Specify a static IP address for the container, for example **10.88.64.128**.
Specify a static IPv4 address for the container, for example **10.88.64.128**.
This option can only be used if the container is joined to only a single network - i.e., **--network=network-name** is used at most once -
and if the container is not joining another container's network namespace via **--network=container:_id_**.
The address must be within the network's IP address pool (default **10.88.0.0/16**).
To specify multiple static IP addresses per container, set multiple networks using the **--network** option with a static IP address specified for each using the `ip` mode for that option.
#### **--ip6**=*ipv6*
Specify a static IPv6 address for the container, for example **fd46:db93:aa76:ac37::10**.
This option can only be used if the container is joined to only a single network - i.e., **--network=network-name** is used at most once -
and if the container is not joining another container's network namespace via **--network=container:_id_**.
The address must be within the network's IPv6 address pool.
To specify multiple static IPv6 addresses per container, set multiple networks using the **--network** option with a static IPv6 address specified for each using the `ip6` mode for that option.
#### **--ipc**=*mode*
Set the IPC namespace mode for a container. The default is to create

15
test/e2e/run_staticip_test.go
View File

@ -7,6 +7,7 @@ import (
"time"
. "github.com/containers/podman/v3/test/utils"
"github.com/containers/storage/pkg/stringid"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
. "github.com/onsi/gomega/gexec"
@ -65,6 +66,20 @@ var _ = Describe("Podman run with --ip flag", func() {
Expect(result.OutputToString()).To(ContainSubstring(ip + "/16"))
})
It("Podman run with specified static IPv6 has correct IP", func() {
netName := "ipv6-" + stringid.GenerateNonCryptoID()
ipv6 := "fd46:db93:aa76:ac37::10"
net := podmanTest.Podman([]string{"network", "create", "--subnet", "fd46:db93:aa76:ac37::/64", netName})
net.WaitWithDefaultTimeout()
defer podmanTest.removeCNINetwork(netName)
Expect(net).To(Exit(0))
result := podmanTest.Podman([]string{"run", "-ti", "--network", netName, "--ip6", ipv6, ALPINE, "ip", "addr"})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(result.OutputToString()).To(ContainSubstring(ipv6 + "/64"))
})
It("Podman run with --network bridge:ip=", func() {
ip := GetRandomIPAddress()
result := podmanTest.Podman([]string{"run", "-ti", "--network", "bridge:ip=" + ip, ALPINE, "ip", "addr"})