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synced 2025-06-21 01:19:15 +08:00
add --mac-address to podman play kube
Add a new --mac-address flag to podman play kube. This is used to specify a static MAC address which should be used for the pod. This option can be specified several times because play kube can create more than one pod. Fixes #9731 Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
This commit is contained in:
@ -2,6 +2,7 @@ package pods
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import (
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"fmt"
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"net"
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"os"
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"github.com/containers/common/pkg/auth"
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@ -27,6 +28,7 @@ type playKubeOptionsWrapper struct {
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}
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var (
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macs []string
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// https://kubernetes.io/docs/reference/command-line-tools-reference/kubelet/
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defaultSeccompRoot = "/var/lib/kubelet/seccomp"
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kubeOptions = playKubeOptionsWrapper{}
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@ -61,6 +63,10 @@ func init() {
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flags.StringVar(&kubeOptions.CredentialsCLI, credsFlagName, "", "`Credentials` (USERNAME:PASSWORD) to use for authenticating to a registry")
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_ = kubeCmd.RegisterFlagCompletionFunc(credsFlagName, completion.AutocompleteNone)
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staticMACFlagName := "mac-address"
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flags.StringSliceVar(&macs, staticMACFlagName, nil, "Static MAC addresses to assign to the pods")
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_ = kubeCmd.RegisterFlagCompletionFunc(staticMACFlagName, completion.AutocompleteNone)
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networkFlagName := "network"
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flags.StringVar(&kubeOptions.Network, networkFlagName, "", "Connect pod to CNI network(s)")
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_ = kubeCmd.RegisterFlagCompletionFunc(networkFlagName, common.AutocompleteNetworkFlag)
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@ -128,6 +134,15 @@ func kube(cmd *cobra.Command, args []string) error {
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if yamlfile == "-" {
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yamlfile = "/dev/stdin"
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}
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for _, mac := range macs {
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m, err := net.ParseMAC(mac)
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if err != nil {
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return err
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}
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kubeOptions.StaticMACs = append(kubeOptions.StaticMACs, m)
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}
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report, err := registry.ContainerEngine().PlayKube(registry.GetContext(), yamlfile, kubeOptions.PlayKubeOptions)
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if err != nil {
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return err
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@ -70,6 +70,10 @@ Assign a static ip address to the pod. This option can be specified several time
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Set logging driver for all created containers.
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#### **\-\-mac-address**=*MAC address*
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Assign a static mac address to the pod. This option can be specified several times when play kube creates more than one pod.
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#### **\-\-network**=*networks*, **\-\-net**
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A comma-separated list of the names of CNI networks the pod should join.
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@ -21,11 +21,12 @@ func PlayKube(w http.ResponseWriter, r *http.Request) {
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runtime := r.Context().Value("runtime").(*libpod.Runtime)
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decoder := r.Context().Value("decoder").(*schema.Decoder)
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query := struct {
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Network string `schema:"network"`
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TLSVerify bool `schema:"tlsVerify"`
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LogDriver string `schema:"logDriver"`
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Start bool `schema:"start"`
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StaticIPs []string `schema:"staticIPs"`
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Network string `schema:"network"`
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TLSVerify bool `schema:"tlsVerify"`
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LogDriver string `schema:"logDriver"`
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Start bool `schema:"start"`
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StaticIPs []string `schema:"staticIPs"`
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StaticMACs []string `schema:"staticMACs"`
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}{
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TLSVerify: true,
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Start: true,
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@ -48,6 +49,17 @@ func PlayKube(w http.ResponseWriter, r *http.Request) {
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staticIPs = append(staticIPs, ip)
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}
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staticMACs := make([]net.HardwareAddr, 0, len(query.StaticMACs))
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for _, macString := range query.StaticMACs {
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mac, err := net.ParseMAC(macString)
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if err != nil {
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utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
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err)
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return
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}
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staticMACs = append(staticMACs, mac)
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}
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// Fetch the K8s YAML file from the body, and copy it to a temp file.
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tmpfile, err := ioutil.TempFile("", "libpod-play-kube.yml")
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if err != nil {
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@ -78,13 +90,14 @@ func PlayKube(w http.ResponseWriter, r *http.Request) {
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containerEngine := abi.ContainerEngine{Libpod: runtime}
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options := entities.PlayKubeOptions{
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Authfile: authfile,
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Username: username,
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Password: password,
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Network: query.Network,
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Quiet: true,
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LogDriver: query.LogDriver,
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StaticIPs: staticIPs,
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Authfile: authfile,
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Username: username,
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Password: password,
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Network: query.Network,
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Quiet: true,
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LogDriver: query.LogDriver,
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StaticIPs: staticIPs,
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StaticMACs: staticMACs,
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}
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if _, found := r.URL.Query()["tlsVerify"]; found {
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options.SkipTLSVerify = types.NewOptionalBool(!query.TLSVerify)
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@ -40,6 +40,12 @@ func (s *APIServer) registerPlayHandlers(r *mux.Router) error {
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// description: Static IPs used for the pods.
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// items:
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// type: string
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// - in: query
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// name: staticMACs
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// type: array
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// description: Static MACs used for the pods.
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// items:
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// type: string
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// - in: body
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// name: request
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// description: Kubernetes YAML file.
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@ -27,6 +27,8 @@ type KubeOptions struct {
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SeccompProfileRoot *string
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// StaticIPs - Static IP address used by the pod(s).
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StaticIPs *[]net.IP
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// StaticMACs - Static MAC address used by the pod(s).
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StaticMACs *[]net.HardwareAddr
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// ConfigMaps - slice of pathnames to kubernetes configmap YAMLs.
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ConfigMaps *[]string
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// LogDriver for the container. For example: journald
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@ -181,6 +181,22 @@ func (o *KubeOptions) GetStaticIPs() []net.IP {
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return *o.StaticIPs
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}
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// WithStaticMACs
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func (o *KubeOptions) WithStaticMACs(value []net.HardwareAddr) *KubeOptions {
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v := &value
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o.StaticMACs = v
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return o
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}
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// GetStaticMACs
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func (o *KubeOptions) GetStaticMACs() []net.HardwareAddr {
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var staticMACs []net.HardwareAddr
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if o.StaticMACs == nil {
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return staticMACs
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}
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return *o.StaticMACs
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}
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// WithConfigMaps
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func (o *KubeOptions) WithConfigMaps(value []string) *KubeOptions {
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v := &value
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@ -30,6 +30,8 @@ type PlayKubeOptions struct {
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SeccompProfileRoot string
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// StaticIPs - Static IP address used by the pod(s).
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StaticIPs []net.IP
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// StaticMACs - Static MAC address used by the pod(s).
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StaticMACs []net.HardwareAddr
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// ConfigMaps - slice of pathnames to kubernetes configmap YAMLs.
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ConfigMaps []string
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// LogDriver for the container. For example: journald
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@ -199,11 +199,17 @@ func (ic *ContainerEngine) playKubePod(ctx context.Context, podName string, podY
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}
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if len(options.StaticIPs) > *ipIndex {
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p.StaticIP = &options.StaticIPs[*ipIndex]
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*ipIndex++
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} else if len(options.StaticIPs) > 0 {
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// only warn if the user has set at least one ip ip
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// only warn if the user has set at least one ip
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logrus.Warn("No more static ips left using a random one")
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}
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if len(options.StaticMACs) > *ipIndex {
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p.StaticMAC = &options.StaticMACs[*ipIndex]
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} else if len(options.StaticIPs) > 0 {
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// only warn if the user has set at least one mac
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logrus.Warn("No more static macs left using a random one")
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}
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*ipIndex++
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// Create the Pod
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pod, err := generate.MakePod(p, ic.Libpod)
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@ -11,7 +11,8 @@ import (
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func (ic *ContainerEngine) PlayKube(ctx context.Context, path string, opts entities.PlayKubeOptions) (*entities.PlayKubeReport, error) {
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options := new(play.KubeOptions).WithAuthfile(opts.Authfile).WithUsername(opts.Username).WithPassword(opts.Password)
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options.WithCertDir(opts.CertDir).WithQuiet(opts.Quiet).WithSignaturePolicy(opts.SignaturePolicy).WithConfigMaps(opts.ConfigMaps)
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options.WithLogDriver(opts.LogDriver).WithNetwork(opts.Network).WithSeccompProfileRoot(opts.SeccompProfileRoot).WithStaticIPs(opts.StaticIPs)
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options.WithLogDriver(opts.LogDriver).WithNetwork(opts.Network).WithSeccompProfileRoot(opts.SeccompProfileRoot)
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options.WithStaticIPs(opts.StaticIPs).WithStaticMACs(opts.StaticMACs)
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if s := opts.SkipTLSVerify; s != types.OptionalBoolUndefined {
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options.WithSkipTLSVerify(s == types.OptionalBoolTrue)
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@ -1717,7 +1717,7 @@ spec:
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}
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})
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It("podman play kube --ip", func() {
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It("podman play kube --ip and --mac-address", func() {
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var i, numReplicas int32
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numReplicas = 3
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deployment := getDeployment(withReplicas(numReplicas))
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@ -1735,6 +1735,10 @@ spec:
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for _, ip := range ips {
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playArgs = append(playArgs, "--ip", ip)
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}
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macs := []string{"e8:d8:82:c9:80:40", "e8:d8:82:c9:80:50", "e8:d8:82:c9:80:60"}
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for _, mac := range macs {
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playArgs = append(playArgs, "--mac-address", mac)
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}
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kube := podmanTest.Podman(append(playArgs, kubeYaml))
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kube.WaitWithDefaultTimeout()
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@ -1747,6 +1751,13 @@ spec:
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Expect(inspect.ExitCode()).To(Equal(0))
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Expect(inspect.OutputToString()).To(Equal(ips[i]))
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}
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for i = 0; i < numReplicas; i++ {
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inspect := podmanTest.Podman([]string{"inspect", getCtrNameInPod(&podNames[i]), "--format", "{{ .NetworkSettings.Networks." + net + ".MacAddress }}"})
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inspect.WaitWithDefaultTimeout()
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Expect(inspect.ExitCode()).To(Equal(0))
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Expect(inspect.OutputToString()).To(Equal(macs[i]))
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}
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})
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It("podman play kube test with network portbindings", func() {
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