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package generate
import (
"context"
"github.com/containers/podman/v3/libpod"
"github.com/containers/podman/v3/pkg/rootless"
"github.com/containers/podman/v3/pkg/specgen"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
func MakePod(p *specgen.PodSpecGenerator, rt *libpod.Runtime) (*libpod.Pod, error) {
if err := p.Validate(); err != nil {
return nil, err
}
options, err := createPodOptions(p, rt)
if err != nil {
return nil, err
}
return rt.NewPod(context.Background(), options...)
}
func createPodOptions(p *specgen.PodSpecGenerator, rt *libpod.Runtime) ([]libpod.PodCreateOption, error) {
var (
options []libpod.PodCreateOption
)
if !p.NoInfra {
options = append(options, libpod.WithInfraContainer())
nsOptions, err := GetNamespaceOptions(p.SharedNamespaces)
if err != nil {
return nil, err
}
options = append(options, nsOptions...)
// Make our exit command
storageConfig := rt.StorageConfig()
runtimeConfig, err := rt.GetConfig()
if err != nil {
return nil, err
}
exitCommand, err := CreateExitCommandArgs(storageConfig, runtimeConfig, logrus.IsLevelEnabled(logrus.DebugLevel), false, false)
if err != nil {
return nil, errors.Wrapf(err, "error creating infra container exit command")
}
options = append(options, libpod.WithPodInfraExitCommand(exitCommand))
}
if len(p.CgroupParent) > 0 {
options = append(options, libpod.WithPodCgroupParent(p.CgroupParent))
}
if len(p.Labels) > 0 {
options = append(options, libpod.WithPodLabels(p.Labels))
}
if len(p.Name) > 0 {
options = append(options, libpod.WithPodName(p.Name))
}
if p.ResourceLimits != nil && p.ResourceLimits.CPU != nil && p.ResourceLimits.CPU.Period != nil && p.ResourceLimits.CPU.Quota != nil {
if *p.ResourceLimits.CPU.Period != 0 || *p.ResourceLimits.CPU.Quota != 0 {
options = append(options, libpod.WithPodCPUPAQ((*p.ResourceLimits.CPU.Period), (*p.ResourceLimits.CPU.Quota)))
}
}
if p.ResourceLimits != nil && p.ResourceLimits.CPU != nil && p.ResourceLimits.CPU.Cpus != "" {
options = append(options, libpod.WithPodCPUSetCPUs(p.ResourceLimits.CPU.Cpus))
}
if len(p.Hostname) > 0 {
options = append(options, libpod.WithPodHostname(p.Hostname))
}
if len(p.HostAdd) > 0 {
options = append(options, libpod.WithPodHosts(p.HostAdd))
}
if len(p.DNSServer) > 0 {
var dnsServers []string
for _, d := range p.DNSServer {
dnsServers = append(dnsServers, d.String())
}
options = append(options, libpod.WithPodDNS(dnsServers))
}
if len(p.DNSOption) > 0 {
options = append(options, libpod.WithPodDNSOption(p.DNSOption))
}
if len(p.DNSSearch) > 0 {
options = append(options, libpod.WithPodDNSSearch(p.DNSSearch))
}
if p.StaticIP != nil {
options = append(options, libpod.WithPodStaticIP(*p.StaticIP))
}
if p.StaticMAC != nil {
options = append(options, libpod.WithPodStaticMAC(*p.StaticMAC))
}
if p.NoManageResolvConf {
options = append(options, libpod.WithPodUseImageResolvConf())
}
if len(p.CNINetworks) > 0 {
options = append(options, libpod.WithPodNetworks(p.CNINetworks))
}
if len(p.InfraImage) > 0 {
options = append(options, libpod.WithInfraImage(p.InfraImage))
}
if len(p.InfraCommand) > 0 {
options = append(options, libpod.WithInfraCommand(p.InfraCommand))
}
if !p.Pid.IsDefault() {
options = append(options, libpod.WithPodPidNS(p.Pid))
}
switch p.NetNS.NSMode {
case specgen.Default, "":
if p.NoInfra {
logrus.Debugf("No networking because the infra container is missing")
break
}
if rootless.IsRootless() {
logrus.Debugf("Pod will use slirp4netns")
options = append(options, libpod.WithPodSlirp4netns(p.NetworkOptions))
} else {
logrus.Debugf("Pod using bridge network mode")
}
case specgen.Bridge:
logrus.Debugf("Pod using bridge network mode")
case specgen.Host:
logrus.Debugf("Pod will use host networking")
options = append(options, libpod.WithPodHostNetwork())
case specgen.Slirp:
logrus.Debugf("Pod will use slirp4netns")
options = append(options, libpod.WithPodSlirp4netns(p.NetworkOptions))
case specgen.NoNetwork:
logrus.Debugf("Pod will not use networking")
options = append(options, libpod.WithPodNoNetwork())
default:
return nil, errors.Errorf("pods presently do not support network mode %s", p.NetNS.NSMode)
}
if p.NoManageHosts {
options = append(options, libpod.WithPodUseImageHosts())
}
if len(p.PortMappings) > 0 {
ports, _, _, err := ParsePortMapping(p.PortMappings)
if err != nil {
return nil, err
}
options = append(options, libpod.WithInfraContainerPorts(ports))
}
options = append(options, libpod.WithPodCgroups())
if p.PodCreateCommand != nil {
options = append(options, libpod.WithPodCreateCommand(p.PodCreateCommand))
}
if len(p.InfraConmonPidFile) > 0 {
options = append(options, libpod.WithInfraConmonPidFile(p.InfraConmonPidFile))
}
return options, nil
}
|
