120 lines
3.1 KiB
Go
120 lines
3.1 KiB
Go
package plugins
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import (
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"fmt"
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"regexp"
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"strings"
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"github.com/pkg/errors"
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)
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// Plugin represents jenkins plugin
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type Plugin struct {
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Name string `json:"name"`
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Version string `json:"version"`
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rootPluginNameAndVersion string
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}
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func (p Plugin) String() string {
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return fmt.Sprintf("%s:%s", p.Name, p.Version)
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}
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var (
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namePattern = regexp.MustCompile(`(?i)^[0-9a-z-_]+$`)
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versionPattern = regexp.MustCompile(`^[0-9\\.-]+(\..+)?$`)
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)
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// New creates plugin from string, for example "name-of-plugin:0.0.1"
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func New(nameWithVersion string) (*Plugin, error) {
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val := strings.SplitN(nameWithVersion, ":", 2)
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if val == nil || len(val) != 2 {
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return nil, errors.Errorf("invalid plugin format '%s'", nameWithVersion)
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}
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name := val[0]
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version := val[1]
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if err := validatePlugin(name, version); err != nil {
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return nil, err
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}
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return &Plugin{
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Name: name,
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Version: version,
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}, nil
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}
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// NewPlugin creates plugin from name and version, for example "name-of-plugin:0.0.1"
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func NewPlugin(name, version string) (*Plugin, error) {
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if err := validatePlugin(name, version); err != nil {
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return nil, err
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}
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return &Plugin{
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Name: name,
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Version: version,
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}, nil
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}
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func validatePlugin(name, version string) error {
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if ok := namePattern.MatchString(name); !ok {
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return errors.Errorf("invalid plugin name '%s:%s', must follow pattern '%s'", name, version, namePattern.String())
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}
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if ok := versionPattern.MatchString(version); !ok {
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return errors.Errorf("invalid plugin version '%s:%s', must follow pattern '%s'", name, version, versionPattern.String())
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}
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return nil
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}
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// Must returns plugin from pointer and throws panic when error is set
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func Must(plugin *Plugin, err error) Plugin {
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if err != nil {
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panic(err)
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}
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return *plugin
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}
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// VerifyDependencies checks if all plugins have compatible versions
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func VerifyDependencies(values ...map[Plugin][]Plugin) []string {
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var messages []string
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// key - plugin name, value array of versions
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allPlugins := make(map[string][]Plugin)
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for _, value := range values {
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for rootPlugin, plugins := range value {
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allPlugins[rootPlugin.Name] = append(allPlugins[rootPlugin.Name], Plugin{
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Name: rootPlugin.Name,
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Version: rootPlugin.Version,
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rootPluginNameAndVersion: rootPlugin.String()})
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for _, plugin := range plugins {
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allPlugins[plugin.Name] = append(allPlugins[plugin.Name], Plugin{
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Name: plugin.Name,
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Version: plugin.Version,
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rootPluginNameAndVersion: rootPlugin.String()})
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}
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}
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}
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for pluginName, versions := range allPlugins {
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if len(versions) == 1 {
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continue
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}
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for _, firstVersion := range versions {
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for _, secondVersion := range versions {
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if firstVersion.Version != secondVersion.Version {
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messages = append(messages, fmt.Sprintf("Plugin '%s' requires version '%s' but plugin '%s' requires '%s' for plugin '%s'",
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firstVersion.rootPluginNameAndVersion,
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firstVersion.Version,
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secondVersion.rootPluginNameAndVersion,
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secondVersion.Version,
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pluginName,
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))
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}
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}
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}
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}
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return messages
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}
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