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Merge pull request #18620 from HirazawaUi/find_slirp4netns_from_helper_binaries_dir

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podman: Added find slirp4netns binary file from helper_binaries_dir
This commit is contained in:
OpenShift Merge Robot
2023-05-20 06:18:07 -04:00
committed by GitHub
parent 8d0cde0455 29749362a0
commit a8291227de
5 changed files with 13 additions and 8 deletions
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3
cmd/podman/root.go
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@ -438,7 +438,8 @@ func rootFlags(cmd *cobra.Command, podmanConfig *entities.PodmanConfig) {
pFlags.StringVar(&podmanConfig.ConmonPath, conmonFlagName, "", "Path of the conmon binary")
_ = cmd.RegisterFlagCompletionFunc(conmonFlagName, completion.AutocompleteDefault)
// TODO (5.0): remove this option with the next major release after https://github.com/containers/podman/issues/18560 was implemented
// TODO (5.0): --network-cmd-path is deprecated, remove this option with the next major release
// We need to find all the places that use r.config.Engine.NetworkCmdPath and remove it
networkCmdPathFlagName := "network-cmd-path"
pFlags.StringVar(&podmanConfig.ContainersConf.Engine.NetworkCmdPath, networkCmdPathFlagName, podmanConfig.ContainersConfDefaultsRO.Engine.NetworkCmdPath, "Path to the command for configuring the network")
_ = cmd.RegisterFlagCompletionFunc(networkCmdPathFlagName, completion.AutocompleteDefault)

4
docs/source/markdown/podman.1.md
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@ -83,7 +83,9 @@ Remote connections use local containers.conf for default.
Log messages at and above specified level: debug, info, warn, error, fatal or panic (default: "warn")
#### **--network-cmd-path**=*path*
Path to the `slirp4netns(1)` command binary to use for setting up a slirp4netns network. If "" is used then the binary is looked up using the $PATH environment variable.
Path to the `slirp4netns(1)` command binary to use for setting up a slirp4netns network.
If "" is used, then the binary will first be searched using the `helper_binaries_dir` option in `containers.conf`, and second using the `$PATH` environment variable.
**Note:** This option is deprecated and will be removed with Podman 5.0. Use the `helper_binaries_dir` option in `containers.conf` instead.
#### **--network-config-dir**=*directory*

3
libpod/info_linux.go
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@ -5,7 +5,6 @@ import (
"fmt"
"math"
"os"
"os/exec"
"strconv"
"strings"
@ -57,7 +56,7 @@ func (r *Runtime) setPlatformHostInfo(info *define.HostInfo) error {
slirp4netnsPath := r.config.Engine.NetworkCmdPath
if slirp4netnsPath == "" {
slirp4netnsPath, _ = exec.LookPath("slirp4netns")
slirp4netnsPath, _ = r.config.FindHelperBinary(slirp4netnsBinaryName, true)
}
if slirp4netnsPath != "" {
version, err := programVersion(slirp4netnsPath)

2
libpod/networking_linux.go
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@ -392,7 +392,7 @@ func (r *Runtime) GetRootlessNetNs(new bool) (*RootlessNetNS, error) {
path := r.config.Engine.NetworkCmdPath
if path == "" {
var err error
path, err = exec.LookPath("slirp4netns")
path, err = r.config.FindHelperBinary(slirp4netnsBinaryName, true)
if err != nil {
return nil, err
}

9
libpod/networking_slirp4netns.go
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@ -61,7 +61,10 @@ type slirp4netnsNetworkOptions struct {
outboundAddr6 string
}
const ipv6ConfDefaultAcceptDadSysctl = "/proc/sys/net/ipv6/conf/default/accept_dad"
const (
ipv6ConfDefaultAcceptDadSysctl = "/proc/sys/net/ipv6/conf/default/accept_dad"
slirp4netnsBinaryName = "slirp4netns"
)
func checkSlirpFlags(path string) (*slirpFeatures, error) {
cmd := exec.Command(path, "--help")
@ -216,7 +219,7 @@ func (r *Runtime) setupSlirp4netns(ctr *Container, netns string) error {
path := r.config.Engine.NetworkCmdPath
if path == "" {
var err error
path, err = exec.LookPath("slirp4netns")
path, err = r.config.FindHelperBinary(slirp4netnsBinaryName, true)
if err != nil {
return fmt.Errorf("could not find slirp4netns, the network namespace can't be configured: %w", err)
}
@ -234,7 +237,7 @@ func (r *Runtime) setupSlirp4netns(ctr *Container, netns string) error {
ctrNetworkSlipOpts := []string{}
if ctr.config.NetworkOptions != nil {
ctrNetworkSlipOpts = append(ctrNetworkSlipOpts, ctr.config.NetworkOptions["slirp4netns"]...)
ctrNetworkSlipOpts = append(ctrNetworkSlipOpts, ctr.config.NetworkOptions[slirp4netnsBinaryName]...)
}
netOptions, err := parseSlirp4netnsNetworkOptions(r, ctrNetworkSlipOpts)
if err != nil {