/
dependency.go
72 lines (62 loc) · 2.65 KB
/
dependency.go
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package config
import (
"fmt"
"strings"
"github.com/werf/werf/pkg/util"
)
type Dependency struct {
ImageName string
Before string
After string
Imports []*DependencyImport
raw *rawDependency
}
func (d *Dependency) validate() error {
if d.ImageName == "" {
return newDetailedConfigError("image name is not specified for dependency", d.raw, d.raw.doc())
}
switch imageType := d.raw.imageType(); imageType {
case dependencyImageTypeStapel:
switch {
case d.Before == "" && d.After == "":
return newDetailedConfigError("dependency stage is not specified with `before: install|setup` or `after: install|setup`", d.raw, d.raw.doc())
case d.Before != "" && d.After != "":
return newDetailedConfigError("only one dependency stage can be specified with `before: install|setup` or `after: install|setup`, but not both", d.raw, d.raw.doc())
case d.Before != "" && d.Before != "install" && d.Before != "setup":
return newDetailedConfigError(fmt.Sprintf("invalid dependency stage `before: %s`: expected install or setup!", d.Before), d.raw, d.raw.doc())
case d.After != "" && d.After != "install" && d.After != "setup":
return newDetailedConfigError(fmt.Sprintf("invalid dependency stage `after: %s`: expected install or setup!", d.After), d.raw, d.raw.doc())
}
case dependencyImageTypeDockerfile:
switch {
case d.Before != "":
return newDetailedConfigError("`before:` directive is not supported for dockerfile dependencies", d.raw, d.raw.doc())
case d.After != "":
return newDetailedConfigError("`after:` directive is not supported for dockerfile dependencies", d.raw, d.raw.doc())
}
default:
panic(fmt.Sprintf("unexpected imageType: %s", imageType))
}
var targetEnvs, targetBuildArgs []string
for _, depImport := range d.Imports {
if depImport.TargetEnv != "" {
targetEnvs = append(targetEnvs, depImport.TargetEnv)
}
if depImport.TargetBuildArg != "" {
targetBuildArgs = append(targetBuildArgs, depImport.TargetBuildArg)
}
}
if len(targetEnvs) > 0 {
duplicatedTargetEnvs := util.FindDuplicatedStrings(targetEnvs)
if len(duplicatedTargetEnvs) > 0 {
return newDetailedConfigError(fmt.Sprintf("each targetEnv for dependency import should be unique, but found duplicates for: %s", strings.Join(duplicatedTargetEnvs, ", ")), d.raw, d.raw.doc())
}
}
if len(targetBuildArgs) > 0 {
duplicatedTargetBuildArgs := util.FindDuplicatedStrings(targetBuildArgs)
if len(duplicatedTargetBuildArgs) > 0 {
return newDetailedConfigError(fmt.Sprintf("each targetBuildArg for dependency import should be unique, but found duplicates for: %s", strings.Join(duplicatedTargetBuildArgs, ", ")), d.raw, d.raw.doc())
}
}
return nil
}