mirror of https://github.com/k3s-io/k3s
72 lines
2.1 KiB
Go
72 lines
2.1 KiB
Go
package hcn
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import (
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"github.com/sirupsen/logrus"
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)
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// SupportedFeatures are the features provided by the Service.
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type SupportedFeatures struct {
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Acl AclFeatures `json:"ACL"`
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Api ApiSupport `json:"API"`
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RemoteSubnet bool `json:"RemoteSubnet"`
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HostRoute bool `json:"HostRoute"`
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DSR bool `json:"DSR"`
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}
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// AclFeatures are the supported ACL possibilities.
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type AclFeatures struct {
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AclAddressLists bool `json:"AclAddressLists"`
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AclNoHostRulePriority bool `json:"AclHostRulePriority"`
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AclPortRanges bool `json:"AclPortRanges"`
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AclRuleId bool `json:"AclRuleId"`
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}
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// ApiSupport lists the supported API versions.
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type ApiSupport struct {
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V1 bool `json:"V1"`
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V2 bool `json:"V2"`
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}
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// GetSupportedFeatures returns the features supported by the Service.
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func GetSupportedFeatures() SupportedFeatures {
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var features SupportedFeatures
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globals, err := GetGlobals()
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if err != nil {
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// Expected on pre-1803 builds, all features will be false/unsupported
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logrus.Debugf("Unable to obtain globals: %s", err)
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return features
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}
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features.Acl = AclFeatures{
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AclAddressLists: isFeatureSupported(globals.Version, HNSVersion1803),
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AclNoHostRulePriority: isFeatureSupported(globals.Version, HNSVersion1803),
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AclPortRanges: isFeatureSupported(globals.Version, HNSVersion1803),
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AclRuleId: isFeatureSupported(globals.Version, HNSVersion1803),
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}
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features.Api = ApiSupport{
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V2: isFeatureSupported(globals.Version, V2ApiSupport),
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V1: true, // HNSCall is still available.
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}
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features.RemoteSubnet = isFeatureSupported(globals.Version, RemoteSubnetVersion)
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features.HostRoute = isFeatureSupported(globals.Version, HostRouteVersion)
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features.DSR = isFeatureSupported(globals.Version, DSRVersion)
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return features
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}
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func isFeatureSupported(currentVersion Version, minVersionSupported Version) bool {
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if currentVersion.Major < minVersionSupported.Major {
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return false
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}
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if currentVersion.Major > minVersionSupported.Major {
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return true
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}
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if currentVersion.Minor < minVersionSupported.Minor {
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return false
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}
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return true
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}
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