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Fix removal of aws security group ingress

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The ip permission method now checks for containment, not equality, so
order of parameters matter. This change fixes
`removeSecurityGroupIngress` to pass in the removal permission first to
compare against the existing permission.
This commit is contained in:
James Ravn 2016-01-26 13:57:52 +00:00
parent 190c829ac5
commit b4bbc3b3ef
2 changed files with 20 additions and 19 deletions
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26
pkg/cloudprovider/providers/aws/aws.go
View File

@ -1418,6 +1418,7 @@ func isEqualIntPointer(l, r *int64) bool {
}
return *l == *r
}
func isEqualStringPointer(l, r *string) bool {
if l == nil {
return r == nil
@ -1428,27 +1429,27 @@ func isEqualStringPointer(l, r *string) bool {
return *l == *r
}
func isEqualIPPermission(l, r *ec2.IpPermission, compareGroupUserIDs bool) bool {
if !isEqualIntPointer(l.FromPort, r.FromPort) {
func ipPermissionExists(newPermission, existing *ec2.IpPermission, compareGroupUserIDs bool) bool {
if !isEqualIntPointer(newPermission.FromPort, existing.FromPort) {
return false
}
if !isEqualIntPointer(l.ToPort, r.ToPort) {
if !isEqualIntPointer(newPermission.ToPort, existing.ToPort) {
return false
}
if !isEqualStringPointer(l.IpProtocol, r.IpProtocol) {
if !isEqualStringPointer(newPermission.IpProtocol, existing.IpProtocol) {
return false
}
if len(l.IpRanges) != len(r.IpRanges) {
if len(newPermission.IpRanges) != len(existing.IpRanges) {
return false
}
for j := range l.IpRanges {
if !isEqualStringPointer(l.IpRanges[j].CidrIp, r.IpRanges[j].CidrIp) {
for j := range newPermission.IpRanges {
if !isEqualStringPointer(newPermission.IpRanges[j].CidrIp, existing.IpRanges[j].CidrIp) {
return false
}
}
for _, leftPair := range l.UserIdGroupPairs {
for _, rightPair := range r.UserIdGroupPairs {
for _, leftPair := range newPermission.UserIdGroupPairs {
for _, rightPair := range existing.UserIdGroupPairs {
if isEqualUserGroupPair(leftPair, rightPair, compareGroupUserIDs) {
return true
}
@ -1460,6 +1461,7 @@ func isEqualIPPermission(l, r *ec2.IpPermission, compareGroupUserIDs bool) bool
}
func isEqualUserGroupPair(l, r *ec2.UserIdGroupPair, compareGroupUserIDs bool) bool {
glog.V(2).Infof("Comparing %v to %v", *l.GroupId, *r.GroupId)
if isEqualStringPointer(l.GroupId, r.GroupId) {
if compareGroupUserIDs {
if isEqualStringPointer(l.UserId, r.UserId) {
@ -1500,7 +1502,7 @@ func (s *AWSCloud) ensureSecurityGroupIngress(securityGroupId string, addPermiss
found := false
for _, groupPermission := range group.IpPermissions {
if isEqualIPPermission(addPermission, groupPermission, hasUserID) {
if ipPermissionExists(addPermission, groupPermission, hasUserID) {
found = true
break
}
@ -1555,8 +1557,8 @@ func (s *AWSCloud) removeSecurityGroupIngress(securityGroupId string, removePerm
var found *ec2.IpPermission
for _, groupPermission := range group.IpPermissions {
if isEqualIPPermission(groupPermission, removePermission, hasUserID) {
found = groupPermission
if ipPermissionExists(removePermission, groupPermission, hasUserID) {
found = removePermission
break
}
}

13
pkg/cloudprovider/providers/aws/aws_test.go
View File

@ -800,7 +800,7 @@ func TestSubnetIDsinVPC(t *testing.T) {
}
func TestIsEqualIPPermissionHandlesMultipleGroupIds(t *testing.T) {
func TestIpPermissionExistsHandlesMultipleGroupIds(t *testing.T) {
oldIpPermission := ec2.IpPermission {
UserIdGroupPairs: []*ec2.UserIdGroupPair {
&ec2.UserIdGroupPair{GroupId: aws.String("firstGroupId")},
@ -822,19 +822,18 @@ func TestIsEqualIPPermissionHandlesMultipleGroupIds(t *testing.T) {
}
equals := isEqualIPPermission(&existingIpPermission, &oldIpPermission, false)
equals := ipPermissionExists(&existingIpPermission, &oldIpPermission, false)
if !equals {
t.Errorf("Should have been considered equal since first is in the second array of groups")
}
equals = isEqualIPPermission(&newIpPermission, &oldIpPermission, false)
equals = ipPermissionExists(&newIpPermission, &oldIpPermission, false)
if equals {
t.Errorf("Should have not been considered equal since first is not in the second array of groups")
}
}
func TestIsEqualIPPermissionHandlesMultipleGroupIdsWithUserIds(t *testing.T) {
func TestIpPermissionExistsHandlesMultipleGroupIdsWithUserIds(t *testing.T) {
oldIpPermission := ec2.IpPermission {
UserIdGroupPairs: []*ec2.UserIdGroupPair {
&ec2.UserIdGroupPair{GroupId: aws.String("firstGroupId"), UserId: aws.String("firstUserId")},
@ -856,12 +855,12 @@ func TestIsEqualIPPermissionHandlesMultipleGroupIdsWithUserIds(t *testing.T) {
}
equals := isEqualIPPermission(&existingIpPermission, &oldIpPermission, true)
equals := ipPermissionExists(&existingIpPermission, &oldIpPermission, true)
if !equals {
t.Errorf("Should have been considered equal since first is in the second array of groups")
}
equals = isEqualIPPermission(&newIpPermission, &oldIpPermission, true)
equals = ipPermissionExists(&newIpPermission, &oldIpPermission, true)
if equals {
t.Errorf("Should have not been considered equal since first is not in the second array of groups")
}