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Case insensitive replace for every user input that could break azurerm

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This commit is contained in:
Nils Hanke 2022-10-13 17:38:38 +02:00 committed by Nils Hanke
parent d457620941
commit 34f729ccd2
3 changed files with 33 additions and 6 deletions
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27
cli/internal/cloudcmd/create.go
View File

@ -12,6 +12,7 @@ import (
"io"
"net/url"
"os"
"regexp"
"runtime"
"strings"
@ -188,12 +189,28 @@ func (c *Creator) createAzure(ctx context.Context, cl terraformClient, config *c
}, nil
}
func normalizeAzureURIs(vars terraform.AzureVariables) terraform.AzureVariables {
vars.UserAssignedIdentity = strings.ReplaceAll(vars.UserAssignedIdentity, "resourcegroup", "resourceGroup")
// The azurerm Terraform provider enforces its own convention of case sensitivity for Azure URIs which Azure's API itself does not enforce or, even worse, actually returns.
// Let's go loco with case insensitive Regexp here and fix the user input here to be compliant with this arbitrary design decision.
var (
caseInsensitiveSubscriptionsRegexp = regexp.MustCompile(`(?i)\/subscriptions\/`)
caseInsensitiveResourceGroupRegexp = regexp.MustCompile(`(?i)\/resourcegroups\/`)
caseInsensitiveProvidersRegexp = regexp.MustCompile(`(?i)\/providers\/`)
caseInsensitiveUserAssignedIdentitiesRegexp = regexp.MustCompile(`(?i)\/userassignedidentities\/`)
caseInsensitiveMicrosoftManagedIdentity = regexp.MustCompile(`(?i)\/microsoft.managedidentity\/`)
caseInsensitiveCommunityGalleriesRegexp = regexp.MustCompile(`(?i)\/communitygalleries\/`)
caseInsensitiveImagesRegExp = regexp.MustCompile(`(?i)\/images\/`)
caseInsensitiveVersionsRegExp = regexp.MustCompile(`(?i)\/versions\/`)
)
vars.ImageID = strings.ReplaceAll(vars.ImageID, "CommunityGalleries", "communityGalleries")
vars.ImageID = strings.ReplaceAll(vars.ImageID, "Images", "images")
vars.ImageID = strings.ReplaceAll(vars.ImageID, "Versions", "versions")
func normalizeAzureURIs(vars terraform.AzureVariables) terraform.AzureVariables {
vars.UserAssignedIdentity = caseInsensitiveSubscriptionsRegexp.ReplaceAllString(vars.UserAssignedIdentity, "/subscriptions/")
vars.UserAssignedIdentity = caseInsensitiveResourceGroupRegexp.ReplaceAllString(vars.UserAssignedIdentity, "/resourceGroups/")
vars.UserAssignedIdentity = caseInsensitiveProvidersRegexp.ReplaceAllString(vars.UserAssignedIdentity, "/providers/")
vars.UserAssignedIdentity = caseInsensitiveUserAssignedIdentitiesRegexp.ReplaceAllString(vars.UserAssignedIdentity, "/userAssignedIdentities/")
vars.UserAssignedIdentity = caseInsensitiveMicrosoftManagedIdentity.ReplaceAllString(vars.UserAssignedIdentity, "/Microsoft.ManagedIdentity/")
vars.ImageID = caseInsensitiveCommunityGalleriesRegexp.ReplaceAllString(vars.ImageID, "/communityGalleries/")
vars.ImageID = caseInsensitiveImagesRegExp.ReplaceAllString(vars.ImageID, "/images/")
vars.ImageID = caseInsensitiveVersionsRegExp.ReplaceAllString(vars.ImageID, "/versions/")
return vars
}

10
cli/internal/cloudcmd/create_test.go
View File

@ -156,6 +156,16 @@ func TestNormalizeAzureURIs(t *testing.T) {
UserAssignedIdentity: "/subscriptions/foo/resourceGroups/test/providers/Microsoft.ManagedIdentity/userAssignedIdentities/uai",
},
},
"fix arbitrary casing": {
in: terraform.AzureVariables{
ImageID: "/CoMMUnitygaLLeries/foo/iMAges/constellation/vERsions/2.1.0",
UserAssignedIdentity: "/subsCRiptions/foo/resoURCegroups/test/proViDers/MICROsoft.mANAgedIdentity/USerASsignediDENtities/uai",
},
want: terraform.AzureVariables{
ImageID: "/communityGalleries/foo/images/constellation/versions/2.1.0",
UserAssignedIdentity: "/subscriptions/foo/resourceGroups/test/providers/Microsoft.ManagedIdentity/userAssignedIdentities/uai",
},
},
}
for name, tc := range testCases {

2
internal/config/config.go
View File

@ -32,7 +32,7 @@ const (
)
var (
azureReleaseImageRegex = regexp.MustCompile(`^\/CommunityGalleries\/ConstellationCVM-b3782fa0-0df7-4f2f-963e-fc7fc42663df\/Images\/constellation\/Versions\/[\d]+.[\d]+.[\d]+$`)
azureReleaseImageRegex = regexp.MustCompile(`^(?i)\/CommunityGalleries\/ConstellationCVM-b3782fa0-0df7-4f2f-963e-fc7fc42663df\/Images\/constellation\/Versions\/[\d]+.[\d]+.[\d]+$`)
gcpReleaseImageRegex = regexp.MustCompile(`^projects\/constellation-images\/global\/images\/constellation-v[\d]+-[\d]+-[\d]+$`)
)