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Push check for kubernetes requirement down into the endpoint

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This is less of a layering violation and removes some ugly hardcoded
`"kubernetes"` strings which were needed to avoid an import loop.

Signed-off-by: Ian Campbell <ijc@docker.com>
This commit is contained in:
Ian Campbell
2019-05-17 15:48:49 +01:00
parent 520be05c49
commit c455193d14
2 changed files with 22 additions and 18 deletions
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14
cli/context/kubernetes/load.go
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@ -9,6 +9,7 @@ import (
"github.com/docker/cli/cli/context/store"
api "github.com/docker/compose-on-kubernetes/api"
"github.com/docker/docker/pkg/homedir"
"github.com/pkg/errors"
"k8s.io/client-go/tools/clientcmd"
clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
)
@ -76,21 +77,28 @@ func (c *Endpoint) KubernetesConfig() clientcmd.ClientConfig {
// ResolveDefault returns endpoint metadata for the default Kubernetes
// endpoint, which is derived from the env-based kubeconfig.
func (c *EndpointMeta) ResolveDefault() (interface{}, *store.EndpointTLSData) {
func (c *EndpointMeta) ResolveDefault(stackOrchestrator command.Orchestrator) (interface{}, *store.EndpointTLSData, error) {
kubeconfig := os.Getenv("KUBECONFIG")
if kubeconfig == "" {
kubeconfig = filepath.Join(homedir.Get(), ".kube/config")
}
kubeEP, err := FromKubeConfig(kubeconfig, "", "")
if err != nil {
return nil, nil
if stackOrchestrator == command.OrchestratorKubernetes || stackOrchestrator == command.OrchestratorAll {
return nil, nil, errors.Wrapf(err, "default orchestrator is %s but unable to resolve kubernetes endpoint", stackOrchestrator)
}
// We deliberately quash the error here, returning nil
// for the first argument is sufficient to indicate we weren't able to
// provide a default
return nil, nil, nil
}
var tls *store.EndpointTLSData
if kubeEP.TLSData != nil {
tls = kubeEP.TLSData.ToStoreTLSData()
}
return kubeEP.EndpointMeta, tls
return kubeEP.EndpointMeta, tls, nil
}
// EndpointFromContext extracts kubernetes endpoint info from current context