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Suppress diff for COS images #647

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17 changes: 17 additions & 0 deletions google/compute_disk.go
Original file line number Diff line number Diff line change
Expand Up @@ -146,6 +146,10 @@ func diskImageFamilyEquals(imageName, familyName string) bool {
return true
}

if suppressCosFamilyDiff(imageName, familyName) {
return true
}

if suppressWindowsSqlFamilyDiff(imageName, familyName) {
return true
}
Expand All @@ -170,6 +174,19 @@ func suppressCanonicalFamilyDiff(imageName, familyName string) bool {
return false
}

// e.g. image: cos-NN-*, family: cos-NN-lts
func suppressCosFamilyDiff(imageName, familyName string) bool {
parts := cosLtsImage.FindStringSubmatch(imageName)
if len(parts) == 2 {
f := fmt.Sprintf("cos-%s-lts", parts[1])
if f == familyName {
return true
}
}

return false
}

// e.g. image: sql-2017-standard-windows-2016-dc-v20180109, family: sql-std-2017-win-2016
// e.g. image: sql-2017-express-windows-2012-r2-dc-v20180109, family: sql-exp-2017-win-2012-r2
func suppressWindowsSqlFamilyDiff(imageName, familyName string) bool {
Expand Down
1 change: 1 addition & 0 deletions google/image.go
Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@ var (

windowsSqlImage = regexp.MustCompile("^sql-(?:server-)?([0-9]{4})-([a-z]+)-windows-(?:server-)?([0-9]{4})(?:-r([0-9]+))?-dc-v[0-9]+$")
canonicalUbuntuLtsImage = regexp.MustCompile("^ubuntu-(minimal-)?([0-9]+)-")
cosLtsImage = regexp.MustCompile("^cos-([0-9]+)-")
)

// built-in projects to look for images/families containing the string
Expand Down