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fix task parameter value substitution error due to propagateParams
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@chengjoey @tekton-robot
chengjoey authored and tekton-robot committed Jan 24, 2023
1 parent 2dd693c commit 6db52ca
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Showing 2 changed files with 295 additions and 23 deletions.
64 changes: 41 additions & 23 deletions pkg/reconciler/pipelinerun/resources/apply.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -236,7 +236,7 @@ func ApplyReplacements(p *v1beta1.PipelineSpec, replacements map[string]string,
if p.Tasks[i].TaskRef != nil && p.Tasks[i].TaskRef.Params != nil {
p.Tasks[i].TaskRef.Params = replaceParamValues(p.Tasks[i].TaskRef.Params, replacements, arrayReplacements, objectReplacements)
}
p.Tasks[i], replacements, arrayReplacements, objectReplacements = propagateParams(p.Tasks[i], replacements, arrayReplacements, objectReplacements)
p.Tasks[i] = propagateParams(p.Tasks[i], replacements, arrayReplacements, objectReplacements)
}

for i := range p.Finally {
Expand All @@ -251,38 +251,56 @@ func ApplyReplacements(p *v1beta1.PipelineSpec, replacements map[string]string,
if p.Finally[i].TaskRef != nil && p.Finally[i].TaskRef.Params != nil {
p.Finally[i].TaskRef.Params = replaceParamValues(p.Finally[i].TaskRef.Params, replacements, arrayReplacements, objectReplacements)
}
p.Finally[i], replacements, arrayReplacements, objectReplacements = propagateParams(p.Finally[i], replacements, arrayReplacements, objectReplacements)
p.Finally[i] = propagateParams(p.Finally[i], replacements, arrayReplacements, objectReplacements)
}

return p
}

func propagateParams(t v1beta1.PipelineTask, replacements map[string]string, arrayReplacements map[string][]string, objectReplacements map[string]map[string]string) (v1beta1.PipelineTask, map[string]string, map[string][]string, map[string]map[string]string) {
if t.TaskSpec != nil {
// check if there are task parameters defined that match the params at pipeline level
if len(t.Params) > 0 {
for _, par := range t.Params {
for _, pattern := range paramPatterns {
checkName := fmt.Sprintf(pattern, par.Name)
// Scoping. Task Params will replace Pipeline Params
if _, ok := replacements[checkName]; ok {
replacements[checkName] = par.Value.StringVal
}
if _, ok := arrayReplacements[checkName]; ok {
arrayReplacements[checkName] = par.Value.ArrayVal
}
if _, ok := objectReplacements[checkName]; ok {
objectReplacements[checkName] = par.Value.ObjectVal
for k, v := range par.Value.ObjectVal {
replacements[fmt.Sprintf(objectIndividualVariablePattern, par.Name, k)] = v
}
// propagateParams returns a Pipeline Task spec that is the same as the input Pipeline Task spec, but with
// all parameter replacements from `stringReplacements`, `arrayReplacements`, and `objectReplacements` substituted.
// It does not modify `stringReplacements`, `arrayReplacements`, or `objectReplacements`.
func propagateParams(t v1beta1.PipelineTask, stringReplacements map[string]string, arrayReplacements map[string][]string, objectReplacements map[string]map[string]string) v1beta1.PipelineTask {
if t.TaskSpec == nil {
return t
}
// check if there are task parameters defined that match the params at pipeline level
if len(t.Params) > 0 {
stringReplacementsDup := make(map[string]string)
arrayReplacementsDup := make(map[string][]string)
objectReplacementsDup := make(map[string]map[string]string)
for k, v := range stringReplacements {
stringReplacementsDup[k] = v
}
for k, v := range arrayReplacements {
arrayReplacementsDup[k] = v
}
for k, v := range objectReplacements {
objectReplacementsDup[k] = v
}
for _, par := range t.Params {
for _, pattern := range paramPatterns {
checkName := fmt.Sprintf(pattern, par.Name)
// Scoping. Task Params will replace Pipeline Params
if _, ok := stringReplacementsDup[checkName]; ok {
stringReplacementsDup[checkName] = par.Value.StringVal
}
if _, ok := arrayReplacementsDup[checkName]; ok {
arrayReplacementsDup[checkName] = par.Value.ArrayVal
}
if _, ok := objectReplacementsDup[checkName]; ok {
objectReplacementsDup[checkName] = par.Value.ObjectVal
for k, v := range par.Value.ObjectVal {
stringReplacementsDup[fmt.Sprintf(objectIndividualVariablePattern, par.Name, k)] = v
}
}
}
}
t.TaskSpec.TaskSpec = *resources.ApplyReplacements(&t.TaskSpec.TaskSpec, replacements, arrayReplacements)
t.TaskSpec.TaskSpec = *resources.ApplyReplacements(&t.TaskSpec.TaskSpec, stringReplacementsDup, arrayReplacementsDup)
} else {
t.TaskSpec.TaskSpec = *resources.ApplyReplacements(&t.TaskSpec.TaskSpec, stringReplacements, arrayReplacements)
}
return t, replacements, arrayReplacements, objectReplacements
return t
}

func replaceParamValues(params []v1beta1.Param, stringReplacements map[string]string, arrayReplacements map[string][]string, objectReplacements map[string]map[string]string) []v1beta1.Param {
Expand Down
254 changes: 254 additions & 0 deletions pkg/reconciler/pipelinerun/resources/apply_test.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -1450,6 +1450,260 @@ func TestApplyParameters(t *testing.T) {
}},
},
},
{
name: "tasks with the same parameter name but referencing different values",
original: v1beta1.PipelineSpec{
Params: []v1beta1.ParamSpec{
{
Name: "param1",
Default: &v1beta1.ParamValue{
Type: v1beta1.ParamTypeString,
StringVal: "a",
},
Type: v1beta1.ParamTypeString,
},
},
Tasks: []v1beta1.PipelineTask{
{
Name: "previous-task-with-result",
},
{
Name: "print-msg",
TaskSpec: &v1beta1.EmbeddedTask{
TaskSpec: v1beta1.TaskSpec{
Params: []v1beta1.ParamSpec{
{
Name: "param1",
Type: v1beta1.ParamTypeString,
},
},
},
},
Params: []v1beta1.Param{
{
Name: "param1",
Value: v1beta1.ParamValue{
Type: v1beta1.ParamTypeString,
StringVal: "$(tasks.previous-task-with-result.results.Output)",
},
},
},
},
{
Name: "print-msg-2",
TaskSpec: &v1beta1.EmbeddedTask{
TaskSpec: v1beta1.TaskSpec{
Params: []v1beta1.ParamSpec{
{
Name: "param1",
Type: v1beta1.ParamTypeString,
},
},
},
},
Params: []v1beta1.Param{
{
Name: "param1",
Value: v1beta1.ParamValue{
Type: v1beta1.ParamTypeString,
StringVal: "$(params.param1)",
},
},
},
},
},
},
expected: v1beta1.PipelineSpec{
Params: []v1beta1.ParamSpec{
{
Name: "param1",
Default: &v1beta1.ParamValue{
Type: v1beta1.ParamTypeString,
StringVal: "a",
},
Type: v1beta1.ParamTypeString,
},
},
Tasks: []v1beta1.PipelineTask{
{
Name: "previous-task-with-result",
},
{
Name: "print-msg",
TaskSpec: &v1beta1.EmbeddedTask{
TaskSpec: v1beta1.TaskSpec{
Params: []v1beta1.ParamSpec{
{
Name: "param1",
Type: v1beta1.ParamTypeString,
},
},
},
},
Params: []v1beta1.Param{
{
Name: "param1",
Value: v1beta1.ParamValue{
Type: v1beta1.ParamTypeString,
StringVal: "$(tasks.previous-task-with-result.results.Output)",
},
},
},
},
{
Name: "print-msg-2",
TaskSpec: &v1beta1.EmbeddedTask{
TaskSpec: v1beta1.TaskSpec{
Params: []v1beta1.ParamSpec{
{
Name: "param1",
Type: v1beta1.ParamTypeString,
},
},
},
},
Params: []v1beta1.Param{
{
Name: "param1",
Value: v1beta1.ParamValue{
Type: v1beta1.ParamTypeString,
StringVal: "a",
},
},
},
},
},
},
},
{
name: "finally tasks with the same parameter name but referencing different values",
original: v1beta1.PipelineSpec{
Params: []v1beta1.ParamSpec{
{
Name: "param1",
Default: &v1beta1.ParamValue{
Type: v1beta1.ParamTypeString,
StringVal: "a",
},
Type: v1beta1.ParamTypeString,
},
},
Tasks: []v1beta1.PipelineTask{
{
Name: "previous-task-with-result",
},
},
Finally: []v1beta1.PipelineTask{
{
Name: "print-msg",
TaskSpec: &v1beta1.EmbeddedTask{
TaskSpec: v1beta1.TaskSpec{
Params: []v1beta1.ParamSpec{
{
Name: "param1",
Type: v1beta1.ParamTypeString,
},
},
},
},
Params: []v1beta1.Param{
{
Name: "param1",
Value: v1beta1.ParamValue{
Type: v1beta1.ParamTypeString,
StringVal: "$(tasks.previous-task-with-result.results.Output)",
},
},
},
},
{
Name: "print-msg-2",
TaskSpec: &v1beta1.EmbeddedTask{
TaskSpec: v1beta1.TaskSpec{
Params: []v1beta1.ParamSpec{
{
Name: "param1",
Type: v1beta1.ParamTypeString,
},
},
},
},
Params: []v1beta1.Param{
{
Name: "param1",
Value: v1beta1.ParamValue{
Type: v1beta1.ParamTypeString,
StringVal: "$(params.param1)",
},
},
},
},
},
},
expected: v1beta1.PipelineSpec{
Params: []v1beta1.ParamSpec{
{
Name: "param1",
Default: &v1beta1.ParamValue{
Type: v1beta1.ParamTypeString,
StringVal: "a",
},
Type: v1beta1.ParamTypeString,
},
},
Tasks: []v1beta1.PipelineTask{
{
Name: "previous-task-with-result",
},
},
Finally: []v1beta1.PipelineTask{
{
Name: "print-msg",
TaskSpec: &v1beta1.EmbeddedTask{
TaskSpec: v1beta1.TaskSpec{
Params: []v1beta1.ParamSpec{
{
Name: "param1",
Type: v1beta1.ParamTypeString,
},
},
},
},
Params: []v1beta1.Param{
{
Name: "param1",
Value: v1beta1.ParamValue{
Type: v1beta1.ParamTypeString,
StringVal: "$(tasks.previous-task-with-result.results.Output)",
},
},
},
},
{
Name: "print-msg-2",
TaskSpec: &v1beta1.EmbeddedTask{
TaskSpec: v1beta1.TaskSpec{
Params: []v1beta1.ParamSpec{
{
Name: "param1",
Type: v1beta1.ParamTypeString,
},
},
},
},
Params: []v1beta1.Param{
{
Name: "param1",
Value: v1beta1.ParamValue{
Type: v1beta1.ParamTypeString,
StringVal: "a",
},
},
},
},
},
},
},
} {
tt := tt // capture range variable
ctx := context.Background()
Expand Down

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