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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| package rules | ||
|
|
||
| import ( | ||
| "strings" | ||
|
|
||
| "github.com/jimschubert/docked/model" | ||
| "github.com/jimschubert/docked/model/docker/commands" | ||
| "github.com/jimschubert/docked/model/validations" | ||
| "github.com/moby/buildkit/frontend/dockerfile/instructions" | ||
| log "github.com/sirupsen/logrus" | ||
| ) | ||
|
|
||
| func reservedLabels() validations.Rule { | ||
| r := validations.MultiContextRule{ | ||
| Name: "reserved-labels", | ||
| Summary: "You can't define labels which are reserved by docker.", | ||
| Details: "Docker reserves the following namespaces in labels: `com.docker.*`, `io.docker.*`, and `org.dockerproject.*`.", | ||
| Priority: model.CriticalPriority, | ||
| Commands: []commands.DockerCommand{commands.Label}, | ||
| Evaluator: validations.MultiContextFullEvaluator{ | ||
| Fn: func(mcr *validations.MultiContextRule) *validations.ValidationResult { | ||
| if mcr == nil || mcr.ContextCache == nil { | ||
| return &validations.ValidationResult{ | ||
| Result: model.Skipped, | ||
| Details: mcr.GetSummary(), | ||
| } | ||
| } | ||
|
|
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| result := model.Success | ||
| validationContexts := make([]validations.ValidationContext, 0) | ||
|
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| for _, nodeValidationContext := range *mcr.ContextCache { | ||
| which, err := instructions.ParseCommand(&nodeValidationContext.Node) | ||
| if err != nil { | ||
| log.Warnf("unabel to parse label: %s", nodeValidationContext.Node.Value) | ||
| continue | ||
| } | ||
|
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| if labelCommand, ok := which.(*instructions.LabelCommand); ok && labelCommand != nil { | ||
| for _, label := range labelCommand.Labels { | ||
| if strings.Contains(label.Key, "com.docker.") || | ||
| strings.Contains(label.Key, "io.docker.") || | ||
| strings.Contains(label.Key, "org.dockerproject.") { | ||
| result = model.Failure | ||
| nodeValidationContext.Context.CausedFailure = true | ||
| } | ||
| } | ||
| } | ||
|
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| validationContexts = append(validationContexts, nodeValidationContext.Context) | ||
| } | ||
| return &validations.ValidationResult{ | ||
| Result: result, | ||
| Details: mcr.GetSummary(), | ||
| Contexts: validationContexts, | ||
| } | ||
| }, | ||
| }, | ||
| } | ||
| return &r | ||
| } | ||
|
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||
| func init() { | ||
| AddRule(reservedLabels()) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| FROM scratch | ||
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| LABEL us.jimschuebrt.yep="YEP" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| FROM scratch | ||
|
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| LABEL us.jimschuebrt.yep="YEP" | ||
| LABEL io.docker.nope="NOPE" |