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package specgen
import (
"github.com/containers/podman/v2/pkg/rootless"
"github.com/containers/podman/v2/pkg/util"
"github.com/pkg/errors"
)
var (
// ErrInvalidPodSpecConfig describes an error given when the podspecgenerator is invalid
ErrInvalidPodSpecConfig = errors.New("invalid pod spec")
// containerConfig has the default configurations defined in containers.conf
containerConfig = util.DefaultContainerConfig()
)
func exclusivePodOptions(opt1, opt2 string) error {
return errors.Wrapf(ErrInvalidPodSpecConfig, "%s and %s are mutually exclusive pod options", opt1, opt2)
}
// Validate verifies the input is valid
func (p *PodSpecGenerator) Validate() error {
if rootless.IsRootless() {
if p.StaticIP != nil {
return ErrNoStaticIPRootless
}
if p.StaticMAC != nil {
return ErrNoStaticMACRootless
}
}
// PodBasicConfig
if p.NoInfra {
if len(p.InfraCommand) > 0 {
return exclusivePodOptions("NoInfra", "InfraCommand")
}
if len(p.InfraImage) > 0 {
return exclusivePodOptions("NoInfra", "InfraImage")
}
if len(p.SharedNamespaces) > 0 {
return exclusivePodOptions("NoInfra", "SharedNamespaces")
}
}
// PodNetworkConfig
if err := validateNetNS(&p.NetNS); err != nil {
return err
}
if p.NoInfra {
if p.NetNS.NSMode != Default && p.NetNS.NSMode != "" {
return errors.New("NoInfra and network modes cannot be used toegther")
}
if p.StaticIP != nil {
return exclusivePodOptions("NoInfra", "StaticIP")
}
if p.StaticMAC != nil {
return exclusivePodOptions("NoInfra", "StaticMAC")
}
if len(p.DNSOption) > 0 {
return exclusivePodOptions("NoInfra", "DNSOption")
}
if len(p.DNSSearch) > 0 {
return exclusivePodOptions("NoInfo", "DNSSearch")
}
if len(p.DNSServer) > 0 {
return exclusivePodOptions("NoInfra", "DNSServer")
}
if len(p.HostAdd) > 0 {
return exclusivePodOptions("NoInfra", "HostAdd")
}
if p.NoManageResolvConf {
return exclusivePodOptions("NoInfra", "NoManageResolvConf")
}
}
if p.NetNS.NSMode != "" && p.NetNS.NSMode != Bridge && p.NetNS.NSMode != Default {
if len(p.PortMappings) > 0 {
return errors.New("PortMappings can only be used with Bridge mode networking")
}
if len(p.CNINetworks) > 0 {
return errors.New("CNINetworks can only be used with Bridge mode networking")
}
}
if p.NoManageResolvConf {
if len(p.DNSServer) > 0 {
return exclusivePodOptions("NoManageResolvConf", "DNSServer")
}
if len(p.DNSSearch) > 0 {
return exclusivePodOptions("NoManageResolvConf", "DNSSearch")
}
if len(p.DNSOption) > 0 {
return exclusivePodOptions("NoManageResolvConf", "DNSOption")
}
}
if p.NoManageHosts && len(p.HostAdd) > 0 {
return exclusivePodOptions("NoManageHosts", "HostAdd")
}
// Set Defaults
if len(p.InfraImage) < 1 {
p.InfraImage = containerConfig.Engine.InfraImage
}
if len(p.InfraCommand) < 1 {
p.InfraCommand = []string{containerConfig.Engine.InfraCommand}
}
return nil
}
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