mirror of
https://github.com/woodpecker-ci/woodpecker.git
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308 lines
8.8 KiB
Go
308 lines
8.8 KiB
Go
// Copyright 2022 Woodpecker Authors
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// Copyright 2018 Drone.IO Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package stepbuilder
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import (
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"fmt"
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"path/filepath"
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"strings"
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"github.com/oklog/ulid/v2"
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"github.com/rs/zerolog/log"
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"go.uber.org/multierr"
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backend_types "go.woodpecker-ci.org/woodpecker/v2/pipeline/backend/types"
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pipeline_errors "go.woodpecker-ci.org/woodpecker/v2/pipeline/errors"
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errorTypes "go.woodpecker-ci.org/woodpecker/v2/pipeline/errors/types"
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"go.woodpecker-ci.org/woodpecker/v2/pipeline/frontend/metadata"
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"go.woodpecker-ci.org/woodpecker/v2/pipeline/frontend/yaml"
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"go.woodpecker-ci.org/woodpecker/v2/pipeline/frontend/yaml/compiler"
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"go.woodpecker-ci.org/woodpecker/v2/pipeline/frontend/yaml/linter"
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"go.woodpecker-ci.org/woodpecker/v2/pipeline/frontend/yaml/matrix"
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yaml_types "go.woodpecker-ci.org/woodpecker/v2/pipeline/frontend/yaml/types"
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"go.woodpecker-ci.org/woodpecker/v2/server"
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forge_types "go.woodpecker-ci.org/woodpecker/v2/server/forge/types"
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"go.woodpecker-ci.org/woodpecker/v2/server/model"
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)
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// StepBuilder Takes the hook data and the yaml and returns in internal data model
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type StepBuilder struct {
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Repo *model.Repo
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Curr *model.Pipeline
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Last *model.Pipeline
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Netrc *model.Netrc
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Secs []*model.Secret
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Regs []*model.Registry
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Host string
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Yamls []*forge_types.FileMeta
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Envs map[string]string
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Forge metadata.ServerForge
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ProxyOpts compiler.ProxyOptions
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}
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type Item struct {
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Workflow *model.Workflow
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Labels map[string]string
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DependsOn []string
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RunsOn []string
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Config *backend_types.Config
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}
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func (b *StepBuilder) Build() (items []*Item, errorsAndWarnings error) {
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b.Yamls = forge_types.SortByName(b.Yamls)
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pidSequence := 1
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for _, y := range b.Yamls {
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// matrix axes
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axes, err := matrix.ParseString(string(y.Data))
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if err != nil {
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return nil, err
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}
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if len(axes) == 0 {
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axes = append(axes, matrix.Axis{})
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}
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for i, axis := range axes {
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workflow := &model.Workflow{
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PID: pidSequence,
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State: model.StatusPending,
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Environ: axis,
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Name: SanitizePath(y.Name),
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}
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if len(axes) > 1 {
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workflow.AxisID = i + 1
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}
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item, err := b.genItemForWorkflow(workflow, axis, string(y.Data))
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if err != nil && pipeline_errors.HasBlockingErrors(err) {
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return nil, err
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} else if err != nil {
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errorsAndWarnings = multierr.Append(errorsAndWarnings, err)
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}
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if item == nil {
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continue
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}
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items = append(items, item)
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pidSequence++
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}
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// TODO: add summary workflow that send status back based on workflows generated by matrix function
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// depend on https://github.com/woodpecker-ci/woodpecker/issues/778
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}
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items = filterItemsWithMissingDependencies(items)
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// check if at least one step can start if slice is not empty
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if len(items) > 0 && !stepListContainsItemsToRun(items) {
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return nil, fmt.Errorf("pipeline has no steps to run")
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}
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return items, errorsAndWarnings
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}
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func (b *StepBuilder) genItemForWorkflow(workflow *model.Workflow, axis matrix.Axis, data string) (item *Item, errorsAndWarnings error) {
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workflowMetadata := MetadataFromStruct(b.Forge, b.Repo, b.Curr, b.Last, workflow, b.Host)
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environ := b.environmentVariables(workflowMetadata, axis)
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// add global environment variables for substituting
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for k, v := range b.Envs {
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if _, exists := environ[k]; exists {
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// don't override existing values
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continue
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}
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environ[k] = v
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}
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// substitute vars
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substituted, err := metadata.EnvVarSubst(data, environ)
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if err != nil {
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return nil, multierr.Append(errorsAndWarnings, err)
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}
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// parse yaml pipeline
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parsed, err := yaml.ParseString(substituted)
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if err != nil {
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return nil, &errorTypes.PipelineError{Message: err.Error(), Type: errorTypes.PipelineErrorTypeCompiler}
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}
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// lint pipeline
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errorsAndWarnings = multierr.Append(errorsAndWarnings, linter.New(
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linter.WithTrusted(b.Repo.IsTrusted),
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).Lint([]*linter.WorkflowConfig{{
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Workflow: parsed,
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File: workflow.Name,
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RawConfig: data,
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}}))
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if pipeline_errors.HasBlockingErrors(errorsAndWarnings) {
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return nil, errorsAndWarnings
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}
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// checking if filtered.
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if match, err := parsed.When.Match(workflowMetadata, true, environ); !match && err == nil {
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log.Debug().Str("pipeline", workflow.Name).Msg(
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"marked as skipped, does not match metadata",
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)
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return nil, nil
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} else if err != nil {
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log.Debug().Str("pipeline", workflow.Name).Msg(
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"pipeline config could not be parsed",
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)
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return nil, multierr.Append(errorsAndWarnings, err)
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}
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ir, err := b.toInternalRepresentation(parsed, environ, workflowMetadata, workflow.ID)
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if err != nil {
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return nil, multierr.Append(errorsAndWarnings, err)
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}
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if len(ir.Stages) == 0 {
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return nil, nil
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}
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item = &Item{
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Workflow: workflow,
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Config: ir,
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Labels: parsed.Labels,
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DependsOn: parsed.DependsOn,
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RunsOn: parsed.RunsOn,
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}
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if item.Labels == nil {
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item.Labels = map[string]string{}
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}
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return item, errorsAndWarnings
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}
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func stepListContainsItemsToRun(items []*Item) bool {
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for i := range items {
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if items[i].Workflow.State == model.StatusPending {
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return true
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}
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}
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return false
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}
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func filterItemsWithMissingDependencies(items []*Item) []*Item {
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itemsToRemove := make([]*Item, 0)
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for _, item := range items {
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for _, dep := range item.DependsOn {
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if !containsItemWithName(dep, items) {
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itemsToRemove = append(itemsToRemove, item)
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}
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}
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}
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if len(itemsToRemove) > 0 {
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filtered := make([]*Item, 0)
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for _, item := range items {
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if !containsItemWithName(item.Workflow.Name, itemsToRemove) {
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filtered = append(filtered, item)
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}
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}
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// Recursive to handle transitive deps
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return filterItemsWithMissingDependencies(filtered)
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}
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return items
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}
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func containsItemWithName(name string, items []*Item) bool {
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for _, item := range items {
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if name == item.Workflow.Name {
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return true
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}
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}
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return false
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}
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func (b *StepBuilder) environmentVariables(metadata metadata.Metadata, axis matrix.Axis) map[string]string {
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environ := metadata.Environ()
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for k, v := range axis {
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environ[k] = v
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}
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return environ
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}
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func (b *StepBuilder) toInternalRepresentation(parsed *yaml_types.Workflow, environ map[string]string, metadata metadata.Metadata, workflowID int64) (*backend_types.Config, error) {
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var secrets []compiler.Secret
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for _, sec := range b.Secs {
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var events []string
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for _, event := range sec.Events {
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events = append(events, string(event))
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}
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secrets = append(secrets, compiler.Secret{
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Name: sec.Name,
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Value: sec.Value,
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AllowedPlugins: sec.Images,
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Events: events,
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})
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}
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var registries []compiler.Registry
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for _, reg := range b.Regs {
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registries = append(registries, compiler.Registry{
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Hostname: reg.Address,
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Username: reg.Username,
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Password: reg.Password,
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})
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}
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return compiler.New(
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compiler.WithEnviron(environ),
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compiler.WithEnviron(b.Envs),
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// TODO: server deps should be moved into StepBuilder fields and set on StepBuilder creation
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compiler.WithEscalated(server.Config.Pipeline.Privileged...),
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compiler.WithResourceLimit(server.Config.Pipeline.Limits.MemSwapLimit, server.Config.Pipeline.Limits.MemLimit, server.Config.Pipeline.Limits.ShmSize, server.Config.Pipeline.Limits.CPUQuota, server.Config.Pipeline.Limits.CPUShares, server.Config.Pipeline.Limits.CPUSet),
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compiler.WithVolumes(server.Config.Pipeline.Volumes...),
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compiler.WithNetworks(server.Config.Pipeline.Networks...),
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compiler.WithLocal(false),
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compiler.WithOption(
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compiler.WithNetrc(
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b.Netrc.Login,
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b.Netrc.Password,
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b.Netrc.Machine,
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),
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b.Repo.IsSCMPrivate || server.Config.Pipeline.AuthenticatePublicRepos,
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),
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compiler.WithDefaultCloneImage(server.Config.Pipeline.DefaultCloneImage),
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compiler.WithRegistry(registries...),
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compiler.WithSecret(secrets...),
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compiler.WithPrefix(
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fmt.Sprintf(
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"wp_%s_%d",
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strings.ToLower(ulid.Make().String()),
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workflowID,
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),
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),
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compiler.WithProxy(b.ProxyOpts),
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compiler.WithWorkspaceFromURL("/woodpecker", b.Repo.ForgeURL),
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compiler.WithMetadata(metadata),
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compiler.WithTrusted(b.Repo.IsTrusted),
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compiler.WithNetrcOnlyTrusted(b.Repo.NetrcOnlyTrusted),
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).Compile(parsed)
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}
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func SanitizePath(path string) string {
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path = filepath.Base(path)
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path = strings.TrimSuffix(path, ".yml")
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path = strings.TrimSuffix(path, ".yaml")
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path = strings.TrimPrefix(path, ".")
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return path
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}
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