forked from openshift/origin
/
conversion.go
225 lines (203 loc) · 8.62 KB
/
conversion.go
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package openshift_controller_manager
import (
"fmt"
"io/ioutil"
"time"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"github.com/openshift/origin/pkg/configconversion"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
kyaml "k8s.io/apimachinery/pkg/util/yaml"
kcmoptions "k8s.io/kubernetes/cmd/kube-controller-manager/app/options"
configv1 "github.com/openshift/api/config/v1"
legacyconfigv1 "github.com/openshift/api/legacyconfig/v1"
openshiftcontrolplanev1 "github.com/openshift/api/openshiftcontrolplane/v1"
"github.com/openshift/origin/pkg/cmd/server/cm"
cmdflags "github.com/openshift/origin/pkg/cmd/util/flags"
)
func ConvertMasterConfigToOpenshiftControllerConfig(input *legacyconfigv1.MasterConfig) *openshiftcontrolplanev1.OpenShiftControllerManagerConfig {
// this is the old flag binding logic
flagOptions, err := kcmoptions.NewKubeControllerManagerOptions()
if err != nil {
// coder error
panic(err)
}
flagOptions.Generic.LeaderElection.RetryPeriod = metav1.Duration{Duration: 3 * time.Second}
flagFunc := cm.OriginControllerManagerAddFlags(flagOptions)
errors := cmdflags.Resolve(input.KubernetesMasterConfig.ControllerArguments, flagFunc)
if len(errors) > 0 {
// this can't happen since we only run this on configs we have validated
panic(errors)
}
// deep copy to make sure no linger references are shared
in := input.DeepCopy()
registryURLs := []string{}
if len(in.ImagePolicyConfig.ExternalRegistryHostname) > 0 {
registryURLs = append(registryURLs, in.ImagePolicyConfig.ExternalRegistryHostname)
}
if len(in.ImagePolicyConfig.InternalRegistryHostname) > 0 {
registryURLs = append(registryURLs, in.ImagePolicyConfig.InternalRegistryHostname)
}
buildDefaults, err := getBuildDefaults(in.AdmissionConfig.PluginConfig)
if err != nil {
// this should happen on scrubbed input
panic(err)
}
buildOverrides, err := getBuildOverrides(in.AdmissionConfig.PluginConfig)
if err != nil {
// this should happen on scrubbed input
panic(err)
}
servingInfo, err := configconversion.ToHTTPServingInfo(&in.ServingInfo)
if err != nil {
// this should happen on scrubbed input
panic(err)
}
ret := &openshiftcontrolplanev1.OpenShiftControllerManagerConfig{
KubeClientConfig: configv1.KubeClientConfig{
KubeConfig: in.MasterClients.OpenShiftLoopbackKubeConfig,
},
ServingInfo: &servingInfo,
Controllers: in.ControllerConfig.Controllers,
LeaderElection: configv1.LeaderElection{
Namespace: "kube-system",
Name: "openshift-master-controllers",
RetryPeriod: flagOptions.Generic.LeaderElection.RetryPeriod,
RenewDeadline: flagOptions.Generic.LeaderElection.RenewDeadline,
LeaseDuration: flagOptions.Generic.LeaderElection.LeaseDuration,
},
ResourceQuota: openshiftcontrolplanev1.ResourceQuotaControllerConfig{
ConcurrentSyncs: flagOptions.ResourceQuotaController.ConcurrentResourceQuotaSyncs,
SyncPeriod: flagOptions.ResourceQuotaController.ResourceQuotaSyncPeriod,
MinResyncPeriod: flagOptions.Generic.MinResyncPeriod,
},
ServiceServingCert: openshiftcontrolplanev1.ServiceServingCert{
Signer: &configv1.CertInfo{
CertFile: in.ControllerConfig.ServiceServingCert.Signer.CertFile,
KeyFile: in.ControllerConfig.ServiceServingCert.Signer.KeyFile,
},
},
Deployer: openshiftcontrolplanev1.DeployerControllerConfig{
ImageTemplateFormat: openshiftcontrolplanev1.ImageConfig{
Format: in.ImageConfig.Format,
Latest: in.ImageConfig.Latest,
},
},
Build: openshiftcontrolplanev1.BuildControllerConfig{
ImageTemplateFormat: openshiftcontrolplanev1.ImageConfig{
Format: in.ImageConfig.Format,
Latest: in.ImageConfig.Latest,
},
BuildDefaults: buildDefaults,
BuildOverrides: buildOverrides,
},
ServiceAccount: openshiftcontrolplanev1.ServiceAccountControllerConfig{
ManagedNames: in.ServiceAccountConfig.ManagedNames,
},
DockerPullSecret: openshiftcontrolplanev1.DockerPullSecretControllerConfig{
RegistryURLs: registryURLs,
},
Network: openshiftcontrolplanev1.NetworkControllerConfig{
NetworkPluginName: in.NetworkConfig.NetworkPluginName,
ServiceNetworkCIDR: in.NetworkConfig.ServiceNetworkCIDR,
VXLANPort: in.NetworkConfig.VXLANPort,
},
Ingress: openshiftcontrolplanev1.IngressControllerConfig{
IngressIPNetworkCIDR: in.NetworkConfig.IngressIPNetworkCIDR,
},
SecurityAllocator: openshiftcontrolplanev1.SecurityAllocator{
UIDAllocatorRange: in.ProjectConfig.SecurityAllocator.UIDAllocatorRange,
MCSAllocatorRange: in.ProjectConfig.SecurityAllocator.MCSAllocatorRange,
MCSLabelsPerProject: in.ProjectConfig.SecurityAllocator.MCSLabelsPerProject,
},
ImageImport: openshiftcontrolplanev1.ImageImportControllerConfig{
DisableScheduledImport: in.ImagePolicyConfig.DisableScheduledImport,
MaxScheduledImageImportsPerMinute: in.ImagePolicyConfig.MaxScheduledImageImportsPerMinute,
ScheduledImageImportMinimumIntervalSeconds: in.ImagePolicyConfig.ScheduledImageImportMinimumIntervalSeconds,
},
}
if in.MasterClients.OpenShiftLoopbackClientConnectionOverrides != nil {
ret.KubeClientConfig.ConnectionOverrides.AcceptContentTypes = in.MasterClients.OpenShiftLoopbackClientConnectionOverrides.AcceptContentTypes
ret.KubeClientConfig.ConnectionOverrides.Burst = in.MasterClients.OpenShiftLoopbackClientConnectionOverrides.Burst
ret.KubeClientConfig.ConnectionOverrides.ContentType = in.MasterClients.OpenShiftLoopbackClientConnectionOverrides.ContentType
ret.KubeClientConfig.ConnectionOverrides.QPS = in.MasterClients.OpenShiftLoopbackClientConnectionOverrides.QPS
}
for _, curr := range in.NetworkConfig.ClusterNetworks {
ret.Network.ClusterNetworks = append(ret.Network.ClusterNetworks, openshiftcontrolplanev1.ClusterNetworkEntry{
CIDR: curr.CIDR,
HostSubnetLength: curr.HostSubnetLength,
})
}
return ret
}
// getBuildDefaults creates a new BuildDefaults that will apply the defaults specified in the plugin config
func getBuildDefaults(pluginConfig map[string]*legacyconfigv1.AdmissionPluginConfig) (*openshiftcontrolplanev1.BuildDefaultsConfig, error) {
const buildDefaultsPlugin = "BuildDefaults"
uncastConfig, err := getPluginConfigObj(pluginConfig, buildDefaultsPlugin, &openshiftcontrolplanev1.BuildDefaultsConfig{})
if err != nil {
return nil, err
}
if uncastConfig == nil {
return nil, nil
}
config, ok := uncastConfig.(*openshiftcontrolplanev1.BuildDefaultsConfig)
if !ok {
return nil, fmt.Errorf("expected BuildDefaultsConfig, not %T", uncastConfig)
}
return config, nil
}
// getBuildOverrides creates a new BuildOverrides that will apply the overrides specified in the plugin config
func getBuildOverrides(pluginConfig map[string]*legacyconfigv1.AdmissionPluginConfig) (*openshiftcontrolplanev1.BuildOverridesConfig, error) {
const buildOverridesPlugin = "BuildOverrides"
uncastConfig, err := getPluginConfigObj(pluginConfig, buildOverridesPlugin, &openshiftcontrolplanev1.BuildOverridesConfig{})
if err != nil {
return nil, err
}
if uncastConfig == nil {
return nil, err
}
config, ok := uncastConfig.(*openshiftcontrolplanev1.BuildOverridesConfig)
if !ok {
return nil, fmt.Errorf("expected BuildDefaultsConfig, not %T", uncastConfig)
}
return config, nil
}
func getPluginConfigObj(pluginConfig map[string]*legacyconfigv1.AdmissionPluginConfig, pluginName string, target runtime.Object) (runtime.Object, error) {
yamlContent, err := getPluginConfigYAML(pluginConfig, pluginName)
if err != nil {
return nil, err
}
if len(yamlContent) == 0 {
return nil, nil
}
jsonData, err := kyaml.ToJSON(yamlContent)
if err != nil {
return nil, err
}
uncastObj, err := runtime.Decode(unstructured.UnstructuredJSONScheme, jsonData)
if err != nil {
return nil, err
}
uncastObj.(*unstructured.Unstructured).Object["apiVersion"] = openshiftcontrolplanev1.GroupName + "/v1"
if err := runtime.DefaultUnstructuredConverter.FromUnstructured(uncastObj.(runtime.Unstructured).UnstructuredContent(), target); err != nil {
return nil, err
}
return target, nil
}
// getPluginConfigYAML gives the byte content of the config for a given plugin
func getPluginConfigYAML(pluginConfig map[string]*legacyconfigv1.AdmissionPluginConfig, pluginName string) ([]byte, error) {
// Check whether a config is specified for this plugin. If not, default to the
// global plugin config file (if any).
cfg, hasConfig := pluginConfig[pluginName]
if !hasConfig {
return nil, nil
}
switch {
case len(cfg.Configuration.Raw) == 0 && len(cfg.Location) == 0:
return nil, fmt.Errorf("missing both config and location")
case len(cfg.Configuration.Raw) == 0:
return ioutil.ReadFile(cfg.Location)
default:
return cfg.Configuration.Raw, nil
}
}