Source file src/github.com/Microsoft/hcsshim/internal/hns/hnssupport.go

Documentation: github.com/Microsoft/hcsshim/internal/hns

     1  //go:build windows
     2  
     3  package hns
     4  
     5  import (
     6  	"github.com/sirupsen/logrus"
     7  )
     8  
     9  type HNSSupportedFeatures struct {
    10  	Acl HNSAclFeatures `json:"ACL"`
    11  }
    12  
    13  type HNSAclFeatures struct {
    14  	AclAddressLists       bool `json:"AclAddressLists"`
    15  	AclNoHostRulePriority bool `json:"AclHostRulePriority"`
    16  	AclPortRanges         bool `json:"AclPortRanges"`
    17  	AclRuleId             bool `json:"AclRuleId"`
    18  }
    19  
    20  func GetHNSSupportedFeatures() HNSSupportedFeatures {
    21  	var hnsFeatures HNSSupportedFeatures
    22  
    23  	globals, err := GetHNSGlobals()
    24  	if err != nil {
    25  		// Expected on pre-1803 builds, all features will be false/unsupported
    26  		logrus.Debugf("Unable to obtain HNS globals: %s", err)
    27  		return hnsFeatures
    28  	}
    29  
    30  	hnsFeatures.Acl = HNSAclFeatures{
    31  		AclAddressLists:       isHNSFeatureSupported(globals.Version, HNSVersion1803),
    32  		AclNoHostRulePriority: isHNSFeatureSupported(globals.Version, HNSVersion1803),
    33  		AclPortRanges:         isHNSFeatureSupported(globals.Version, HNSVersion1803),
    34  		AclRuleId:             isHNSFeatureSupported(globals.Version, HNSVersion1803),
    35  	}
    36  
    37  	return hnsFeatures
    38  }
    39  
    40  func isHNSFeatureSupported(currentVersion HNSVersion, minVersionSupported HNSVersion) bool {
    41  	if currentVersion.Major < minVersionSupported.Major {
    42  		return false
    43  	}
    44  	if currentVersion.Major > minVersionSupported.Major {
    45  		return true
    46  	}
    47  	if currentVersion.Minor < minVersionSupported.Minor {
    48  		return false
    49  	}
    50  	return true
    51  }
    52  

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