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Commite396b06

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feat: allow new immutable parameters for existing workspaces (#18579)
Closes#18578
1 parent072c81c commite396b06

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8 files changed

+237
-5
lines changed

8 files changed

+237
-5
lines changed

‎coderd/coderdtest/dynamicparameters.go‎

Lines changed: 20 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -22,6 +22,9 @@ type DynamicParameterTemplateParams struct {
2222

2323
// StaticParams is used if the provisioner daemon version does not support dynamic parameters.
2424
StaticParams []*proto.RichParameter
25+
26+
// TemplateID is used to update an existing template instead of creating a new one.
27+
TemplateID uuid.UUID
2528
}
2629

2730
funcDynamicParameterTemplate(t*testing.T,client*codersdk.Client,org uuid.UUID,argsDynamicParameterTemplateParams) (codersdk.Template, codersdk.TemplateVersion) {
@@ -40,16 +43,30 @@ func DynamicParameterTemplate(t *testing.T, client *codersdk.Client, org uuid.UU
4043
},
4144
}}
4245

43-
version:=CreateTemplateVersion(t,client,org,files)
46+
version:=CreateTemplateVersion(t,client,org,files,func(request*codersdk.CreateTemplateVersionRequest) {
47+
ifargs.TemplateID!=uuid.Nil {
48+
request.TemplateID=args.TemplateID
49+
}
50+
})
4451
AwaitTemplateVersionJobCompleted(t,client,version.ID)
45-
tpl:=CreateTemplate(t,client,org,version.ID)
52+
53+
tplID:=args.TemplateID
54+
ifargs.TemplateID==uuid.Nil {
55+
tpl:=CreateTemplate(t,client,org,version.ID)
56+
tplID=tpl.ID
57+
}
4658

4759
varerrerror
48-
tpl,err=client.UpdateTemplateMeta(t.Context(),tpl.ID, codersdk.UpdateTemplateMeta{
60+
tpl,err:=client.UpdateTemplateMeta(t.Context(),tplID, codersdk.UpdateTemplateMeta{
4961
UseClassicParameterFlow:ptr.Ref(false),
5062
})
5163
require.NoError(t,err)
5264

65+
err=client.UpdateActiveTemplateVersion(t.Context(),tpl.ID, codersdk.UpdateActiveTemplateVersion{
66+
ID:version.ID,
67+
})
68+
require.NoError(t,err)
69+
5370
returntpl,version
5471
}
5572

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,2 @@
1+
//go:generate mockgen -destination ./rendermock.go -package rendermock github.com/coder/coder/v2/coderd/dynamicparameters Renderer
2+
package rendermock

‎coderd/dynamicparameters/rendermock/rendermock.go‎

Lines changed: 71 additions & 0 deletions
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‎coderd/dynamicparameters/resolver.go‎

Lines changed: 8 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -169,9 +169,15 @@ func ResolveParameters(
169169
parameterNames[parameter.Name]=struct{}{}
170170

171171
if!firstBuild&&!parameter.Mutable {
172+
originalValue,ok:=originalValues[parameter.Name]
172173
// Immutable parameters should not be changed after the first build.
173-
// They can match the original value though!
174-
ifparameter.Value.AsString()!=originalValues[parameter.Name].Value {
174+
// If the value matches the original value, that is fine.
175+
//
176+
// If the original value is not set, that means this is a new parameter. New
177+
// immutable parameters are allowed. This is an opinionated choice to prevent
178+
// workspaces failing to update or delete. Ideally we would block this, as
179+
// immutable parameters should only be able to be set at creation time.
180+
ifok&&parameter.Value.AsString()!=originalValue.Value {
175181
varsrc*hcl.Range
176182
ifparameter.Source!=nil {
177183
src=&parameter.Source.HCLBlock().TypeRange
Lines changed: 59 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,59 @@
1+
package dynamicparameters_test
2+
3+
import (
4+
"testing"
5+
6+
"github.com/google/uuid"
7+
"github.com/stretchr/testify/require"
8+
"go.uber.org/mock/gomock"
9+
10+
"github.com/coder/coder/v2/coderd/database"
11+
"github.com/coder/coder/v2/coderd/dynamicparameters"
12+
"github.com/coder/coder/v2/coderd/dynamicparameters/rendermock"
13+
"github.com/coder/coder/v2/codersdk"
14+
"github.com/coder/coder/v2/testutil"
15+
"github.com/coder/preview"
16+
previewtypes"github.com/coder/preview/types"
17+
"github.com/coder/terraform-provider-coder/v2/provider"
18+
)
19+
20+
funcTestResolveParameters(t*testing.T) {
21+
t.Parallel()
22+
23+
t.Run("NewImmutable",func(t*testing.T) {
24+
t.Parallel()
25+
26+
ctrl:=gomock.NewController(t)
27+
render:=rendermock.NewMockRenderer(ctrl)
28+
29+
// A single immutable parameter with no previous value.
30+
render.EXPECT().
31+
Render(gomock.Any(),gomock.Any(),gomock.Any()).
32+
AnyTimes().
33+
Return(&preview.Output{
34+
Parameters: []previewtypes.Parameter{
35+
{
36+
ParameterData: previewtypes.ParameterData{
37+
Name:"immutable",
38+
Type:previewtypes.ParameterTypeString,
39+
FormType:provider.ParameterFormTypeInput,
40+
Mutable:false,
41+
DefaultValue:previewtypes.StringLiteral("foo"),
42+
Required:true,
43+
},
44+
Value:previewtypes.StringLiteral("foo"),
45+
Diagnostics:nil,
46+
},
47+
},
48+
},nil)
49+
50+
ctx:=testutil.Context(t,testutil.WaitShort)
51+
values,err:=dynamicparameters.ResolveParameters(ctx,uuid.New(),render,false,
52+
[]database.WorkspaceBuildParameter{},// No previous values
53+
[]codersdk.WorkspaceBuildParameter{},// No new build values
54+
[]database.TemplateVersionPresetParameter{},// No preset values
55+
)
56+
require.NoError(t,err)
57+
require.Equal(t,map[string]string{"immutable":"foo"},values)
58+
})
59+
}

‎enterprise/coderd/dynamicparameters_test.go‎

Lines changed: 51 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -302,6 +302,57 @@ func TestDynamicParameterBuild(t *testing.T) {
302302
require.ErrorContains(t,err,"Number must be between 0 and 10")
303303
})
304304
})
305+
306+
t.Run("ImmutableValidation",func(t*testing.T) {
307+
t.Parallel()
308+
309+
// NewImmutable tests the case where a new immutable parameter is added to a template
310+
// after a workspace has been created with an older version of the template.
311+
// The test tries to delete the workspace, which should succeed.
312+
t.Run("NewImmutable",func(t*testing.T) {
313+
t.Parallel()
314+
315+
ctx:=testutil.Context(t,testutil.WaitShort)
316+
// Start with a new template that has 0 parameters
317+
empty,_:=coderdtest.DynamicParameterTemplate(t,templateAdmin,orgID, coderdtest.DynamicParameterTemplateParams{
318+
MainTF:string(must(os.ReadFile("testdata/parameters/none/main.tf"))),
319+
})
320+
321+
// Create the workspace with 0 parameters
322+
wrk,err:=templateAdmin.CreateUserWorkspace(ctx,codersdk.Me, codersdk.CreateWorkspaceRequest{
323+
TemplateID:empty.ID,
324+
Name:coderdtest.RandomUsername(t),
325+
RichParameterValues: []codersdk.WorkspaceBuildParameter{},
326+
})
327+
require.NoError(t,err)
328+
coderdtest.AwaitWorkspaceBuildJobCompleted(t,templateAdmin,wrk.LatestBuild.ID)
329+
330+
// Update the template with a new immutable parameter
331+
_,immutable:=coderdtest.DynamicParameterTemplate(t,templateAdmin,orgID, coderdtest.DynamicParameterTemplateParams{
332+
MainTF:string(must(os.ReadFile("testdata/parameters/immutable/main.tf"))),
333+
TemplateID:empty.ID,
334+
})
335+
336+
bld,err:=templateAdmin.CreateWorkspaceBuild(ctx,wrk.ID, codersdk.CreateWorkspaceBuildRequest{
337+
TemplateVersionID:immutable.ID,// Use the new template version with the immutable parameter
338+
Transition:codersdk.WorkspaceTransitionDelete,
339+
DryRun:false,
340+
})
341+
require.NoError(t,err)
342+
coderdtest.AwaitWorkspaceBuildJobCompleted(t,templateAdmin,bld.ID)
343+
344+
// Verify the immutable parameter is set on the workspace build
345+
params,err:=templateAdmin.WorkspaceBuildParameters(ctx,bld.ID)
346+
require.NoError(t,err)
347+
require.Len(t,params,1)
348+
require.Equal(t,"Hello World",params[0].Value)
349+
350+
// Verify the workspace is deleted
351+
deleted,err:=templateAdmin.DeletedWorkspace(ctx,wrk.ID)
352+
require.NoError(t,err)
353+
require.Equal(t,wrk.ID,deleted.ID,"workspace should be deleted")
354+
})
355+
})
305356
}
306357

307358
// TestDynamicParameterTemplate uses a template with some dynamic elements, and
Lines changed: 16 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,16 @@
1+
terraform {
2+
required_providers {
3+
coder={
4+
source="coder/coder"
5+
}
6+
}
7+
}
8+
9+
data"coder_workspace_owner""me" {}
10+
11+
data"coder_parameter""immutable" {
12+
name="immutable"
13+
type="string"
14+
mutable=false
15+
default="Hello World"
16+
}
Lines changed: 10 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,10 @@
1+
terraform {
2+
required_providers {
3+
coder={
4+
source="coder/coder"
5+
}
6+
}
7+
}
8+
9+
data"coder_workspace_owner""me" {}
10+

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