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Fail early on incorrect version of k8s

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This commit is contained in:
Yann Hamon 2023-07-09 14:33:40 +02:00
parent 808e6d4aa5
commit a182e2abdc
4 changed files with 30 additions and 4 deletions
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23
pkg/config/config.go
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@ -4,6 +4,7 @@ import (
"bytes"
"flag"
"fmt"
"regexp"
"strings"
)
@ -15,7 +16,7 @@ type Config struct {
Help bool `yaml:"help" json:"help"`
IgnoreFilenamePatterns []string `yaml:"ignoreFilenamePatterns" json:"ignoreFilenamePatterns"`
IgnoreMissingSchemas bool `yaml:"ignoreMissingSchemas" json:"ignoreMissingSchemas"`
KubernetesVersion string `yaml:"kubernetesVersion" json:"kubernetesVersion"`
KubernetesVersion k8sVersionValue `yaml:"kubernetesVersion" json:"kubernetesVersion"`
NumberOfWorkers int `yaml:"numberOfWorkers" json:"numberOfWorkers"`
OutputFormat string `yaml:"output" json:"output"`
RejectKinds map[string]struct{} `yaml:"reject" json:"reject"`
@ -39,6 +40,24 @@ func (ap *arrayParam) Set(value string) error {
return nil
}
type k8sVersionValue string
func (kv *k8sVersionValue) String() string {
return string(*kv)
}
func (kv k8sVersionValue) MarshalText() ([]byte, error) {
return []byte(kv), nil
}
func (kv *k8sVersionValue) UnmarshalText(v []byte) error {
if ok, _ := regexp.MatchString(`^(master|\d+\.\d+\.\d+)$`, string(v)); ok != true {
return fmt.Errorf("%v is not a valid version. Valid values are 'master' (default) or full version x.y.z (e.g. '1.27.2')", kv.String())
}
*kv = k8sVersionValue(v)
return nil
}
func splitCSV(csvStr string) map[string]struct{} {
splitValues := strings.Split(csvStr, ",")
valuesMap := map[string]struct{}{}
@ -63,7 +82,7 @@ func FromFlags(progName string, args []string) (Config, string, error) {
c := Config{}
c.Files = []string{}
flags.StringVar(&c.KubernetesVersion, "kubernetes-version", "master", "version of Kubernetes to validate against, e.g.: 1.18.0")
flags.TextVar(&c.KubernetesVersion, "kubernetes-version", k8sVersionValue("master"), "version of Kubernetes to validate against, e.g.: 1.18.0")
flags.Var(&schemaLocationsParam, "schema-location", "override schemas location search path (can be specified multiple times)")
flags.StringVar(&skipKindsCSV, "skip", "", "comma-separated list of kinds or GVKs to ignore")
flags.StringVar(&rejectKindsCSV, "reject", "", "comma-separated list of kinds or GVKs to reject")