/
pipelinerun_validation.go
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/
pipelinerun_validation.go
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/*
Copyright 2020 The Tekton Authors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package v1beta1
import (
"context"
"fmt"
"time"
"github.com/tektoncd/pipeline/pkg/apis/config"
"github.com/tektoncd/pipeline/pkg/apis/validate"
"github.com/tektoncd/pipeline/pkg/apis/version"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"knative.dev/pkg/apis"
)
var _ apis.Validatable = (*PipelineRun)(nil)
// Validate pipelinerun
func (pr *PipelineRun) Validate(ctx context.Context) *apis.FieldError {
errs := validate.ObjectMetadata(pr.GetObjectMeta()).ViaField("metadata")
if apis.IsInDelete(ctx) {
return nil
}
if pr.IsPending() && pr.HasStarted() {
errs = errs.Also(apis.ErrInvalidValue("PipelineRun cannot be Pending after it is started", "spec.status"))
}
return errs.Also(pr.Spec.Validate(apis.WithinSpec(ctx)).ViaField("spec"))
}
// Validate pipelinerun spec
func (ps *PipelineRunSpec) Validate(ctx context.Context) (errs *apis.FieldError) {
// Must have exactly one of pipelineRef and pipelineSpec.
if ps.PipelineRef == nil && ps.PipelineSpec == nil {
errs = errs.Also(apis.ErrMissingOneOf("pipelineRef", "pipelineSpec"))
}
if ps.PipelineRef != nil && ps.PipelineSpec != nil {
errs = errs.Also(apis.ErrMultipleOneOf("pipelineRef", "pipelineSpec"))
}
// Validate PipelineRef if it's present
if ps.PipelineRef != nil {
errs = errs.Also(ps.PipelineRef.Validate(ctx).ViaField("pipelineRef"))
}
// Validate PipelineSpec if it's present
if ps.PipelineSpec != nil {
errs = errs.Also(ps.PipelineSpec.Validate(ctx).ViaField("pipelineSpec"))
}
if ps.Timeout != nil {
// timeout should be a valid duration of at least 0.
if ps.Timeout.Duration < 0 {
errs = errs.Also(apis.ErrInvalidValue(fmt.Sprintf("%s should be >= 0", ps.Timeout.Duration.String()), "timeout"))
}
}
if ps.Timeouts != nil {
if ps.Timeout != nil {
// can't have both at the same time
errs = errs.Also(apis.ErrDisallowedFields("timeout", "timeouts"))
}
// tasks timeout should be a valid duration of at least 0.
errs = errs.Also(validateTimeoutDuration("tasks", ps.Timeouts.Tasks))
// finally timeout should be a valid duration of at least 0.
errs = errs.Also(validateTimeoutDuration("finally", ps.Timeouts.Finally))
// pipeline timeout should be a valid duration of at least 0.
errs = errs.Also(validateTimeoutDuration("pipeline", ps.Timeouts.Pipeline))
if ps.Timeouts.Pipeline != nil {
errs = errs.Also(ps.validatePipelineTimeout(ps.Timeouts.Pipeline.Duration, "should be <= pipeline duration"))
} else {
defaultTimeout := time.Duration(config.FromContextOrDefaults(ctx).Defaults.DefaultTimeoutMinutes)
errs = errs.Also(ps.validatePipelineTimeout(defaultTimeout, "should be <= default timeout duration"))
}
}
errs = errs.Also(validateSpecStatus(ps.Status))
if ps.Workspaces != nil {
wsNames := make(map[string]int)
for idx, ws := range ps.Workspaces {
errs = errs.Also(ws.Validate(ctx).ViaFieldIndex("workspaces", idx))
if prevIdx, alreadyExists := wsNames[ws.Name]; alreadyExists {
errs = errs.Also(apis.ErrGeneric(fmt.Sprintf("workspace %q provided by pipelinerun more than once, at index %d and %d", ws.Name, prevIdx, idx), "name").ViaFieldIndex("workspaces", idx))
}
wsNames[ws.Name] = idx
}
}
for idx, trs := range ps.TaskRunSpecs {
errs = errs.Also(validateTaskRunSpec(ctx, trs).ViaIndex(idx).ViaField("taskRunSpecs"))
}
return errs
}
func validateSpecStatus(status PipelineRunSpecStatus) *apis.FieldError {
switch status {
case "":
return nil
case PipelineRunSpecStatusPending:
return nil
case PipelineRunSpecStatusCancelled,
PipelineRunSpecStatusCancelledRunFinally,
PipelineRunSpecStatusStoppedRunFinally:
return nil
}
return apis.ErrInvalidValue(fmt.Sprintf("%s should be %s, %s, %s or %s", status,
PipelineRunSpecStatusCancelled,
PipelineRunSpecStatusCancelledRunFinally,
PipelineRunSpecStatusStoppedRunFinally,
PipelineRunSpecStatusPending), "status")
}
func validateTimeoutDuration(field string, d *metav1.Duration) (errs *apis.FieldError) {
if d != nil && d.Duration < 0 {
fieldPath := fmt.Sprintf("timeouts.%s", field)
return errs.Also(apis.ErrInvalidValue(fmt.Sprintf("%s should be >= 0", d.Duration.String()), fieldPath))
}
return nil
}
func (ps *PipelineRunSpec) validatePipelineTimeout(timeout time.Duration, errorMsg string) (errs *apis.FieldError) {
if ps.Timeouts.Tasks != nil {
tasksTimeoutErr := false
tasksTimeoutStr := ps.Timeouts.Tasks.Duration.String()
if ps.Timeouts.Tasks.Duration > timeout {
tasksTimeoutErr = true
}
if ps.Timeouts.Tasks.Duration == config.NoTimeoutDuration && timeout != config.NoTimeoutDuration {
tasksTimeoutErr = true
tasksTimeoutStr += " (no timeout)"
}
if tasksTimeoutErr {
errs = errs.Also(apis.ErrInvalidValue(fmt.Sprintf("%s %s", tasksTimeoutStr, errorMsg), "timeouts.tasks"))
}
}
if ps.Timeouts.Finally != nil {
finallyTimeoutErr := false
finallyTimeoutStr := ps.Timeouts.Finally.Duration.String()
if ps.Timeouts.Finally.Duration > timeout {
finallyTimeoutErr = true
}
if ps.Timeouts.Finally.Duration == config.NoTimeoutDuration && timeout != config.NoTimeoutDuration {
finallyTimeoutErr = true
finallyTimeoutStr += " (no timeout)"
}
if finallyTimeoutErr {
errs = errs.Also(apis.ErrInvalidValue(fmt.Sprintf("%s %s", finallyTimeoutStr, errorMsg), "timeouts.finally"))
}
}
if ps.Timeouts.Tasks != nil && ps.Timeouts.Finally != nil {
if ps.Timeouts.Tasks.Duration+ps.Timeouts.Finally.Duration > timeout {
errs = errs.Also(apis.ErrInvalidValue(fmt.Sprintf("%s + %s %s", ps.Timeouts.Tasks.Duration.String(), ps.Timeouts.Finally.Duration.String(), errorMsg), "timeouts.tasks"))
errs = errs.Also(apis.ErrInvalidValue(fmt.Sprintf("%s + %s %s", ps.Timeouts.Tasks.Duration.String(), ps.Timeouts.Finally.Duration.String(), errorMsg), "timeouts.finally"))
}
}
return errs
}
func validateTaskRunSpec(ctx context.Context, trs PipelineTaskRunSpec) (errs *apis.FieldError) {
if trs.StepOverrides != nil {
errs = errs.Also(version.ValidateEnabledAPIFields(ctx, "stepOverrides", config.AlphaAPIFields).ViaField("stepOverrides"))
errs = errs.Also(validateStepOverrides(trs.StepOverrides).ViaField("stepOverrides"))
}
if trs.SidecarOverrides != nil {
errs = errs.Also(version.ValidateEnabledAPIFields(ctx, "sidecarOverrides", config.AlphaAPIFields).ViaField("sidecarOverrides"))
errs = errs.Also(validateSidecarOverrides(trs.SidecarOverrides).ViaField("sidecarOverrides"))
}
if trs.ComputeResources != nil {
errs = errs.Also(version.ValidateEnabledAPIFields(ctx, "computeResources", config.AlphaAPIFields).ViaField("computeResources"))
errs = errs.Also(validateTaskRunComputeResources(trs.ComputeResources, trs.StepOverrides))
}
return errs
}