diff options
Diffstat (limited to 'vendor/github.com/Microsoft/hcsshim/internal/hns/hnssupport.go')
-rw-r--r-- | vendor/github.com/Microsoft/hcsshim/internal/hns/hnssupport.go | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/vendor/github.com/Microsoft/hcsshim/internal/hns/hnssupport.go b/vendor/github.com/Microsoft/hcsshim/internal/hns/hnssupport.go new file mode 100644 index 000000000..d5efba7f2 --- /dev/null +++ b/vendor/github.com/Microsoft/hcsshim/internal/hns/hnssupport.go @@ -0,0 +1,49 @@ +package hns + +import ( + "github.com/sirupsen/logrus" +) + +type HNSSupportedFeatures struct { + Acl HNSAclFeatures `json:"ACL"` +} + +type HNSAclFeatures struct { + AclAddressLists bool `json:"AclAddressLists"` + AclNoHostRulePriority bool `json:"AclHostRulePriority"` + AclPortRanges bool `json:"AclPortRanges"` + AclRuleId bool `json:"AclRuleId"` +} + +func GetHNSSupportedFeatures() HNSSupportedFeatures { + var hnsFeatures HNSSupportedFeatures + + globals, err := GetHNSGlobals() + if err != nil { + // Expected on pre-1803 builds, all features will be false/unsupported + logrus.Debugf("Unable to obtain HNS globals: %s", err) + return hnsFeatures + } + + hnsFeatures.Acl = HNSAclFeatures{ + AclAddressLists: isHNSFeatureSupported(globals.Version, HNSVersion1803), + AclNoHostRulePriority: isHNSFeatureSupported(globals.Version, HNSVersion1803), + AclPortRanges: isHNSFeatureSupported(globals.Version, HNSVersion1803), + AclRuleId: isHNSFeatureSupported(globals.Version, HNSVersion1803), + } + + return hnsFeatures +} + +func isHNSFeatureSupported(currentVersion HNSVersion, minVersionSupported HNSVersion) bool { + if currentVersion.Major < minVersionSupported.Major { + return false + } + if currentVersion.Major > minVersionSupported.Major { + return true + } + if currentVersion.Minor < minVersionSupported.Minor { + return false + } + return true +} |