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Break up version.go as it contains version and api verification logic
Signed-off-by: Natalie Arellano <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| package cmd | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "github.com/buildpacks/lifecycle/api" | ||
| ) | ||
|
|
||
| var ( | ||
| DeprecationMode = EnvOrDefault(EnvDeprecationMode, DefaultDeprecationMode) | ||
| ExperimentalMode = EnvOrDefault(EnvExperimentalMode, DefaultExperimentalMode) | ||
| ) | ||
|
|
||
| const ( | ||
| ModeQuiet = "quiet" | ||
| ModeWarn = "warn" | ||
| ModeError = "error" | ||
| ) | ||
|
|
||
| func VerifyPlatformAPI(requested string) error { | ||
| requestedAPI, err := api.NewVersion(requested) | ||
| if err != nil { | ||
| return FailErrCode( | ||
| fmt.Errorf("parse platform API '%s'", requested), | ||
| CodeIncompatiblePlatformAPI, | ||
| ) | ||
| } | ||
| if api.Platform.IsSupported(requestedAPI) { | ||
| if api.Platform.IsDeprecated(requestedAPI) { | ||
| switch DeprecationMode { | ||
| case ModeQuiet: | ||
| break | ||
| case ModeError: | ||
| DefaultLogger.Errorf("Platform requested deprecated API '%s'", requested) | ||
| DefaultLogger.Errorf("Deprecated APIs are disabled by %s=%s", EnvDeprecationMode, ModeError) | ||
| return platformAPIError(requested) | ||
| case ModeWarn: | ||
| DefaultLogger.Warnf("Platform requested deprecated API '%s'", requested) | ||
| default: | ||
| DefaultLogger.Warnf("Platform requested deprecated API '%s'", requested) | ||
| } | ||
| } | ||
| if api.Platform.IsExperimental(requestedAPI) { | ||
| switch ExperimentalMode { | ||
| case ModeQuiet: | ||
| break | ||
| case ModeError: | ||
| DefaultLogger.Errorf("Platform requested experimental API '%s'", requested) | ||
| DefaultLogger.Errorf("Experimental APIs are disabled by %s=%s", EnvExperimentalMode, ModeError) | ||
| return platformAPIError(requested) | ||
| case ModeWarn: | ||
| DefaultLogger.Warnf("Platform requested experimental API '%s'", requested) | ||
| default: | ||
| DefaultLogger.Warnf("Platform requested experimental API '%s'", requested) | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
| return platformAPIError(requested) | ||
| } | ||
|
|
||
| func VerifyBuildpackAPI(bp string, requested string) error { | ||
| requestedAPI, err := api.NewVersion(requested) | ||
| if err != nil { | ||
| return FailErrCode( | ||
| fmt.Errorf("parse buildpack API '%s' for buildpack '%s'", requestedAPI, bp), | ||
| CodeIncompatibleBuildpackAPI, | ||
| ) | ||
| } | ||
| if api.Buildpack.IsSupported(requestedAPI) { | ||
| if api.Buildpack.IsDeprecated(requestedAPI) { | ||
| switch DeprecationMode { | ||
| case ModeQuiet: | ||
| break | ||
| case ModeError: | ||
| DefaultLogger.Errorf("Buildpack '%s' requests deprecated API '%s'", bp, requested) | ||
| DefaultLogger.Errorf("Deprecated APIs are disabled by %s=%s", EnvDeprecationMode, ModeError) | ||
| return buildpackAPIError(bp, requested) | ||
| case ModeWarn: | ||
| DefaultLogger.Warnf("Buildpack '%s' requests deprecated API '%s'", bp, requested) | ||
| default: | ||
| DefaultLogger.Warnf("Buildpack '%s' requests deprecated API '%s'", bp, requested) | ||
| } | ||
| } | ||
| if api.Buildpack.IsExperimental(requestedAPI) { | ||
| switch ExperimentalMode { | ||
| case ModeQuiet: | ||
| break | ||
| case ModeError: | ||
| DefaultLogger.Errorf("Buildpack '%s' requests experimental API '%s'", bp, requested) | ||
| DefaultLogger.Errorf("Experimental APIs are disabled by %s=%s", EnvExperimentalMode, ModeError) | ||
| return buildpackAPIError(bp, requested) | ||
| case ModeWarn: | ||
| DefaultLogger.Warnf("Buildpack '%s' requests experimental API '%s'", bp, requested) | ||
| default: | ||
| DefaultLogger.Warnf("Buildpack '%s' requests experimental API '%s'", bp, requested) | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
| return buildpackAPIError(bp, requested) | ||
| } | ||
|
|
||
| func platformAPIError(requested string) error { | ||
| return FailErrCode( | ||
| fmt.Errorf("set platform API: platform API version '%s' is incompatible with the lifecycle", requested), | ||
| CodeIncompatiblePlatformAPI, | ||
| ) | ||
| } | ||
|
|
||
| func buildpackAPIError(bp string, requested string) error { | ||
| return FailErrCode( | ||
| fmt.Errorf("set API for buildpack '%s': buildpack API version '%s' is incompatible with the lifecycle", bp, requested), | ||
| CodeIncompatibleBuildpackAPI, | ||
| ) | ||
| } |
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