harness-drone/common/config.go

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package common
import (
"path/filepath"
"strings"
)
// Config represents a repository build configuration.
type Config struct {
Setup *Step
Clone *Step
Build *Step
Compose map[string]*Step
Publish map[string]*Step
Deploy map[string]*Step
Notify map[string]*Step
Matrix Matrix
Axis Axis
}
// Matrix represents the build matrix.
type Matrix map[string][]string
// Axis represents a single permutation of entries
// from the build matrix.
type Axis map[string]string
// String returns a string representation of an Axis as
// a comma-separated list of environment variables.
func (a Axis) String() string {
var envs []string
for k, v := range a {
envs = append(envs, k+"="+v)
}
return strings.Join(envs, " ")
}
// Step represents a step in the build process, including
// the execution environment and parameters.
type Step struct {
Image string
Pull bool
Privileged bool
Environment []string
Entrypoint []string
Command []string
Volumes []string
WorkingDir string `yaml:"working_dir"`
NetworkMode string `yaml:"net"`
// Condition represents a set of conditions that must
// be met in order to execute this step.
Condition *Condition `yaml:"when"`
// Config represents the unique configuration details
// for each plugin.
Config map[string]interface{} `yaml:"config,inline"`
}
// Condition represents a set of conditions that must
// be met in order to proceed with a build or build step.
type Condition struct {
Owner string // Indicates the step should run only for this repo (useful for forks)
Branch string // Indicates the step should run only for this branch
// Indicates the step should only run when the following
// matrix values are present for the sub-build.
Matrix map[string]string
}
// MatchBranch is a helper function that returns true
// if all_branches is true. Else it returns false if a
// branch condition is specified, and the branch does
// not match.
func (c *Condition) MatchBranch(branch string) bool {
if len(c.Branch) == 0 {
return true
}
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if strings.HasPrefix(branch, "refs/heads/") {
branch = branch[11:]
}
match, _ := filepath.Match(c.Branch, branch)
return match
}
// MatchOwner is a helper function that returns false
// if an owner condition is specified and the repository
// owner does not match.
//
// This is useful when you want to prevent forks from
// executing deployment, publish or notification steps.
func (c *Condition) MatchOwner(owner string) bool {
if len(c.Owner) == 0 {
return true
}
parts := strings.Split(owner, "/")
switch len(parts) {
case 2:
return c.Owner == parts[0]
case 3:
return c.Owner == parts[1]
default:
return c.Owner == owner
}
}
// MatchMatrix is a helper function that returns false
// to limit steps to only certain matrix axis.
func (c *Condition) MatchMatrix(matrix map[string]string) bool {
if len(c.Matrix) == 0 {
return true
}
for k, v := range c.Matrix {
if matrix[k] != v {
return false
}
}
return true
}