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Commit00ba027

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chore: modify parameter dynamic immutability behavior (#18583)
Immutability behavior is determined by the current build, not affected by the previous
1 parent9c61ef8 commit00ba027

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4 files changed

+174
-26
lines changed

4 files changed

+174
-26
lines changed

‎coderd/dynamicparameters/resolver.go‎

Lines changed: 16 additions & 25 deletions
Original file line numberDiff line numberDiff line change
@@ -55,19 +55,21 @@ func ResolveParameters(
5555
values[preset.Name]=parameterValue{Source:sourcePreset,Value:preset.Value}
5656
}
5757

58-
//originalValues is going to be used to detect if a user tried to change
58+
//originalInputValues is going to be used to detect if a user tried to change
5959
// an immutable parameter after the first build.
60-
originalValues:=make(map[string]parameterValue,len(values))
60+
// The actual input values are mutated based on attributes like mutability
61+
// and ephemerality.
62+
originalInputValues:=make(map[string]parameterValue,len(values))
6163
forname,value:=rangevalues {
6264
// Store the original values for later use.
63-
originalValues[name]=value
65+
originalInputValues[name]=value
6466
}
6567

6668
// Render the parameters using the values that were supplied to the previous build.
6769
//
6870
// This is how the form should look to the user on their workspace settings page.
6971
// This is the original form truth that our validations should initially be based on.
70-
output,diags:=renderer.Render(ctx,ownerID,values.ValuesMap())
72+
output,diags:=renderer.Render(ctx,ownerID,previousValuesMap)
7173
ifdiags.HasErrors() {
7274
// Top level diagnostics should break the build. Previous values (and new) should
7375
// always be valid. If there is a case where this is not true, then this has to
@@ -91,22 +93,6 @@ func ResolveParameters(
9193
delete(values,parameter.Name)
9294
}
9395
}
94-
95-
// Immutable parameters should also not be allowed to be changed from
96-
// the previous build. Remove any values taken from the preset or
97-
// new build params. This forces the value to be the same as it was before.
98-
//
99-
// We do this so the next form render uses the original immutable value.
100-
if!firstBuild&&!parameter.Mutable {
101-
delete(values,parameter.Name)
102-
prev,ok:=previousValuesMap[parameter.Name]
103-
ifok {
104-
values[parameter.Name]=parameterValue{
105-
Value:prev,
106-
Source:sourcePrevious,
107-
}
108-
}
109-
}
11096
}
11197

11298
// This is the final set of values that will be used. Any errors at this stage
@@ -116,23 +102,28 @@ func ResolveParameters(
116102
returnnil,parameterValidationError(diags)
117103
}
118104

119-
// parameterNames is going to be used to remove any excess valuesthat wereleft
105+
// parameterNames is going to be used to remove any excess values left
120106
// around without a parameter.
121107
parameterNames:=make(map[string]struct{},len(output.Parameters))
122108
parameterError:=parameterValidationError(nil)
123109
for_,parameter:=rangeoutput.Parameters {
124110
parameterNames[parameter.Name]=struct{}{}
125111

126112
if!firstBuild&&!parameter.Mutable {
127-
originalValue,ok:=originalValues[parameter.Name]
113+
// previousValuesMap should be used over the first render output
114+
// for the previous state of parameters. The previous build
115+
// should emit all values, so the previousValuesMap should be
116+
// complete with all parameter values (user specified and defaults)
117+
originalValue,ok:=previousValuesMap[parameter.Name]
118+
128119
// Immutable parameters should not be changed after the first build.
129-
// If the value matches theoriginal value, that is fine.
120+
// If the value matches theprevious input value, that is fine.
130121
//
131-
// If theoriginal value is not set, that means this is a new parameter. New
122+
// If theprevious value is not set, that means this is a new parameter. New
132123
// immutable parameters are allowed. This is an opinionated choice to prevent
133124
// workspaces failing to update or delete. Ideally we would block this, as
134125
// immutable parameters should only be able to be set at creation time.
135-
ifok&&parameter.Value.AsString()!=originalValue.Value {
126+
ifok&&parameter.Value.AsString()!=originalValue {
136127
varsrc*hcl.Range
137128
ifparameter.Source!=nil {
138129
src=&parameter.Source.HCLBlock().TypeRange

‎coderd/dynamicparameters/resolver_test.go‎

Lines changed: 66 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -10,6 +10,7 @@ import (
1010
"github.com/coder/coder/v2/coderd/database"
1111
"github.com/coder/coder/v2/coderd/dynamicparameters"
1212
"github.com/coder/coder/v2/coderd/dynamicparameters/rendermock"
13+
"github.com/coder/coder/v2/coderd/httpapi/httperror"
1314
"github.com/coder/coder/v2/codersdk"
1415
"github.com/coder/coder/v2/testutil"
1516
"github.com/coder/preview"
@@ -56,4 +57,69 @@ func TestResolveParameters(t *testing.T) {
5657
require.NoError(t,err)
5758
require.Equal(t,map[string]string{"immutable":"foo"},values)
5859
})
60+
61+
// Tests a parameter going from mutable -> immutable
62+
t.Run("BecameImmutable",func(t*testing.T) {
63+
t.Parallel()
64+
65+
ctrl:=gomock.NewController(t)
66+
render:=rendermock.NewMockRenderer(ctrl)
67+
68+
mutable:= previewtypes.ParameterData{
69+
Name:"immutable",
70+
Type:previewtypes.ParameterTypeString,
71+
FormType:provider.ParameterFormTypeInput,
72+
Mutable:true,
73+
DefaultValue:previewtypes.StringLiteral("foo"),
74+
Required:true,
75+
}
76+
immutable:=mutable
77+
immutable.Mutable=false
78+
79+
// A single immutable parameter with no previous value.
80+
render.EXPECT().
81+
Render(gomock.Any(),gomock.Any(),gomock.Any()).
82+
// Return the mutable param first
83+
Return(&preview.Output{
84+
Parameters: []previewtypes.Parameter{
85+
{
86+
ParameterData:mutable,
87+
Value:previewtypes.StringLiteral("foo"),
88+
Diagnostics:nil,
89+
},
90+
},
91+
},nil)
92+
93+
render.EXPECT().
94+
Render(gomock.Any(),gomock.Any(),gomock.Any()).
95+
// Then the immutable param
96+
Return(&preview.Output{
97+
Parameters: []previewtypes.Parameter{
98+
{
99+
ParameterData:immutable,
100+
// The user set the value to bar
101+
Value:previewtypes.StringLiteral("bar"),
102+
Diagnostics:nil,
103+
},
104+
},
105+
},nil)
106+
107+
ctx:=testutil.Context(t,testutil.WaitShort)
108+
_,err:=dynamicparameters.ResolveParameters(ctx,uuid.New(),render,false,
109+
[]database.WorkspaceBuildParameter{
110+
{Name:"immutable",Value:"foo"},// Previous value foo
111+
},
112+
[]codersdk.WorkspaceBuildParameter{
113+
{Name:"immutable",Value:"bar"},// New value
114+
},
115+
[]database.TemplateVersionPresetParameter{},// No preset values
116+
)
117+
require.Error(t,err)
118+
resp,ok:=httperror.IsResponder(err)
119+
require.True(t,ok)
120+
121+
_,respErr:=resp.Response()
122+
require.Len(t,respErr.Validations,1)
123+
require.Contains(t,respErr.Validations[0].Error(),"is not mutable")
124+
})
59125
}

‎enterprise/coderd/dynamicparameters_test.go‎

Lines changed: 69 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -338,7 +338,6 @@ func TestDynamicParameterBuild(t *testing.T) {
338338
bld,err:=templateAdmin.CreateWorkspaceBuild(ctx,wrk.ID, codersdk.CreateWorkspaceBuildRequest{
339339
TemplateVersionID:immutable.ID,// Use the new template version with the immutable parameter
340340
Transition:codersdk.WorkspaceTransitionDelete,
341-
DryRun:false,
342341
})
343342
require.NoError(t,err)
344343
coderdtest.AwaitWorkspaceBuildJobCompleted(t,templateAdmin,bld.ID)
@@ -354,6 +353,75 @@ func TestDynamicParameterBuild(t *testing.T) {
354353
require.NoError(t,err)
355354
require.Equal(t,wrk.ID,deleted.ID,"workspace should be deleted")
356355
})
356+
357+
t.Run("PreviouslyImmutable",func(t*testing.T) {
358+
// Ok this is a weird test to document how things are working.
359+
// What if a parameter flips it's immutability based on a value?
360+
// The current behavior is to source immutability from the new state.
361+
// So the value is allowed to be changed.
362+
t.Parallel()
363+
364+
ctx:=testutil.Context(t,testutil.WaitShort)
365+
// Start with a new template that has 1 parameter that is immutable
366+
immutable,_:=coderdtest.DynamicParameterTemplate(t,templateAdmin,orgID, coderdtest.DynamicParameterTemplateParams{
367+
MainTF:"# PreviouslyImmutable\n"+string(must(os.ReadFile("testdata/parameters/dynamicimmutable/main.tf"))),
368+
})
369+
370+
// Create the workspace with the immutable parameter
371+
wrk,err:=templateAdmin.CreateUserWorkspace(ctx,codersdk.Me, codersdk.CreateWorkspaceRequest{
372+
TemplateID:immutable.ID,
373+
Name:coderdtest.RandomUsername(t),
374+
RichParameterValues: []codersdk.WorkspaceBuildParameter{
375+
{Name:"isimmutable",Value:"true"},
376+
{Name:"immutable",Value:"coder"},
377+
},
378+
})
379+
require.NoError(t,err)
380+
coderdtest.AwaitWorkspaceBuildJobCompleted(t,templateAdmin,wrk.LatestBuild.ID)
381+
382+
// Try new values
383+
_,err=templateAdmin.CreateWorkspaceBuild(ctx,wrk.ID, codersdk.CreateWorkspaceBuildRequest{
384+
Transition:codersdk.WorkspaceTransitionStart,
385+
RichParameterValues: []codersdk.WorkspaceBuildParameter{
386+
{Name:"isimmutable",Value:"false"},
387+
{Name:"immutable",Value:"not-coder"},
388+
},
389+
})
390+
require.NoError(t,err)
391+
})
392+
393+
t.Run("PreviouslyMutable",func(t*testing.T) {
394+
// The value cannot be changed because it becomes immutable.
395+
t.Parallel()
396+
397+
ctx:=testutil.Context(t,testutil.WaitShort)
398+
immutable,_:=coderdtest.DynamicParameterTemplate(t,templateAdmin,orgID, coderdtest.DynamicParameterTemplateParams{
399+
MainTF:"# PreviouslyMutable\n"+string(must(os.ReadFile("testdata/parameters/dynamicimmutable/main.tf"))),
400+
})
401+
402+
// Create the workspace with the mutable parameter
403+
wrk,err:=templateAdmin.CreateUserWorkspace(ctx,codersdk.Me, codersdk.CreateWorkspaceRequest{
404+
TemplateID:immutable.ID,
405+
Name:coderdtest.RandomUsername(t),
406+
RichParameterValues: []codersdk.WorkspaceBuildParameter{
407+
{Name:"isimmutable",Value:"false"},
408+
{Name:"immutable",Value:"coder"},
409+
},
410+
})
411+
require.NoError(t,err)
412+
coderdtest.AwaitWorkspaceBuildJobCompleted(t,templateAdmin,wrk.LatestBuild.ID)
413+
414+
// Switch it to immutable, which breaks the validation
415+
_,err=templateAdmin.CreateWorkspaceBuild(ctx,wrk.ID, codersdk.CreateWorkspaceBuildRequest{
416+
Transition:codersdk.WorkspaceTransitionStart,
417+
RichParameterValues: []codersdk.WorkspaceBuildParameter{
418+
{Name:"isimmutable",Value:"true"},
419+
{Name:"immutable",Value:"not-coder"},
420+
},
421+
})
422+
require.Error(t,err)
423+
require.ErrorContains(t,err,"is not mutable")
424+
})
357425
})
358426
}
359427

Lines changed: 23 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,23 @@
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""isimmutable" {
12+
name="isimmutable"
13+
type="bool"
14+
mutable=true
15+
default="true"
16+
}
17+
18+
data"coder_parameter""immutable" {
19+
name="immutable"
20+
type="string"
21+
mutable=data.coder_parameter.isimmutable.value=="false"
22+
default="Hello World"
23+
}

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