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Expose config to disable upsert behavior #3000

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@blampe blampe commented May 8, 2024

This exposes opt-in provider configuration to disable upsert behavior. When this is set we will use CSA for creation and surface "already exists" errors when we attempt to overwrite something.

I called the config enableUpsert to be consistent with some of our other configs (although I'd prefer disableUpsert since that makes it more obvious what the default behavior is).

An E2E test is included and I'll try to add some units around this as well.

Fixes #2926.

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github-actions bot commented May 8, 2024

Does the PR have any schema changes?

Looking good! No breaking changes found.
No new resources/functions.

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codecov bot commented May 8, 2024

Codecov Report

Attention: Patch coverage is 11.76471% with 30 lines in your changes are missing coverage. Please review.

Project coverage is 29.79%. Comparing base (09be004) to head (0006ded).

Files Patch % Lines
provider/pkg/gen/schema.go 0.00% 21 Missing ⚠️
provider/pkg/provider/provider.go 25.00% 7 Missing and 2 partials ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##           master    #3000      +/-   ##
==========================================
- Coverage   29.86%   29.79%   -0.08%     
==========================================
  Files          63       63              
  Lines        8353     8384      +31     
==========================================
+ Hits         2495     2498       +3     
- Misses       5634     5660      +26     
- Partials      224      226       +2     

☔ View full report in Codecov by Sentry.
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In an earlier experiment along these lines (i.e. using Create rather than Apply), I observed that metadata.managedFields is significantly different. I was concerned that some migration logic might be needed.

We have CSA-to-SSA logic elsewhere in the provider. Would this be involved on a subsequent update?

@@ -325,6 +325,7 @@ func Test_Creation(t *testing.T) {
DedupLogger: logging.NewLogger(context.Background(), host, urn),
Resources: resources,
ServerSideApply: tt.args.serverSideApply,
EnableUpsert: tt.args.serverSideApply,
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Suggested change
EnableUpsert: tt.args.serverSideApply,
EnableUpsert: tt.args.enableUpsert,

@@ -90,6 +90,16 @@ func PulumiSchema(swagger map[string]any) pschema.PackageSpec {
Description: "BETA FEATURE - If present and set to true, allow ConfigMaps to be mutated.\nThis feature is in developer preview, and is disabled by default.\n\nThis config can be specified in the following ways using this precedence:\n1. This `enableConfigMapMutable` parameter.\n2. The `PULUMI_K8S_ENABLE_CONFIGMAP_MUTABLE` environment variable.",
TypeSpec: pschema.TypeSpec{Type: "boolean"},
},
"enableUpsert": {
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Should we reverse the polarity of this field, so that it is false by default?

@@ -177,6 +187,15 @@ func PulumiSchema(swagger map[string]any) pschema.PackageSpec {
Description: "BETA FEATURE - If present and set to true, allow ConfigMaps to be mutated.\nThis feature is in developer preview, and is disabled by default.\n\nThis config can be specified in the following ways using this precedence:\n1. This `enableConfigMapMutable` parameter.\n2. The `PULUMI_K8S_ENABLE_CONFIGMAP_MUTABLE` environment variable.",
TypeSpec: pschema.TypeSpec{Type: "boolean"},
},
"enableUpsert": {
Description: "If present and set to false, the provider will surface errors if a create operation would overwrite existing resources in the cluster.",
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Maybe should mention that this is for ssa mode only.

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Fail-fast when a program attempts to create an object that already exists.
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