woodpecker/server/model/step.go

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// Copyright 2021 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");
// you may not use this file except in compliance with the License.
// 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
// 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.
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package model
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import "fmt"
// StepStore persists process information to storage.
type StepStore interface {
StepLoad(int64) (*Step, error)
StepFind(*Pipeline, int) (*Step, error)
StepChild(*Pipeline, int, string) (*Step, error)
StepList(*Pipeline) ([]*Step, error)
StepCreate([]*Step) error
StepUpdate(*Step) error
StepClear(*Pipeline) error
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}
// Step represents a process in the pipeline.
type Step struct {
ID int64 `json:"id" xorm:"pk autoincr 'step_id'"`
PipelineID int64 `json:"pipeline_id" xorm:"UNIQUE(s) INDEX 'step_pipeline_id'"`
PID int `json:"pid" xorm:"UNIQUE(s) 'step_pid'"`
PPID int `json:"ppid" xorm:"step_ppid"`
PGID int `json:"pgid" xorm:"step_pgid"`
Name string `json:"name" xorm:"step_name"`
State StatusValue `json:"state" xorm:"step_state"`
Error string `json:"error,omitempty" xorm:"VARCHAR(500) step_error"`
ExitCode int `json:"exit_code" xorm:"step_exit_code"`
Started int64 `json:"start_time,omitempty" xorm:"step_started"`
Stopped int64 `json:"end_time,omitempty" xorm:"step_stopped"`
AgentID int64 `json:"agent_id,omitempty" xorm:"step_agent_id"`
Platform string `json:"platform,omitempty" xorm:"step_platform"`
Environ map[string]string `json:"environ,omitempty" xorm:"json 'step_environ'"`
Children []*Step `json:"children,omitempty" xorm:"-"`
} // @name Step
type UpdateStepStore interface {
StepUpdate(*Step) error
}
// TableName return database table name for xorm
func (Step) TableName() string {
return "steps"
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}
// Running returns true if the process state is pending or running.
func (p *Step) Running() bool {
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return p.State == StatusPending || p.State == StatusRunning
}
// Failing returns true if the process state is failed, killed or error.
func (p *Step) Failing() bool {
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return p.State == StatusError || p.State == StatusKilled || p.State == StatusFailure
}
// IsParent returns true if the process is a parent process.
func (p *Step) IsParent() bool {
return p.PPID == 0
}
// IsMultiPipeline checks if step list contain more than one parent step
func IsMultiPipeline(steps []*Step) bool {
c := 0
for _, step := range steps {
if step.IsParent() {
c++
}
if c > 1 {
return true
}
}
return false
}
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// Tree creates a process tree from a flat process list.
func Tree(steps []*Step) ([]*Step, error) {
var nodes []*Step
// init parent nodes
for i := range steps {
if steps[i].IsParent() {
nodes = append(nodes, steps[i])
}
}
// assign children to parents
for i := range steps {
if !steps[i].IsParent() {
parent, err := findNode(nodes, steps[i].PPID)
if err != nil {
return nil, err
}
parent.Children = append(parent.Children, steps[i])
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}
}
return nodes, nil
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}
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// PipelineStatus determine pipeline status based on corresponding step list
func PipelineStatus(steps []*Step) StatusValue {
status := StatusSuccess
for _, p := range steps {
if p.IsParent() && p.Failing() {
status = p.State
}
}
return status
}
// IsThereRunningStage determine if it contains steps running or pending to run
// TODO: return false based on depends_on (https://github.com/woodpecker-ci/woodpecker/pull/730#discussion_r795681697)
func IsThereRunningStage(steps []*Step) bool {
for _, p := range steps {
if p.IsParent() {
if p.Running() {
return true
}
}
}
return false
}
func findNode(nodes []*Step, pid int) (*Step, error) {
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for _, node := range nodes {
if node.PID == pid {
return node, nil
}
}
return nil, fmt.Errorf("Corrupt step structure")
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}