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Mizu install mode (#566)

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This commit is contained in:
RoyUP9
2021-12-28 15:44:37 +02:00
committed by GitHub
parent b039c2abad
commit de046c65b0
18 changed files with 207 additions and 449 deletions
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83
cli/resources/createResources.go
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@@ -14,7 +14,7 @@ import (
"k8s.io/apimachinery/pkg/util/intstr"
)
func CreateMizuResources(ctx context.Context, cancel context.CancelFunc, kubernetesProvider *kubernetes.Provider, serializedValidationRules string, serializedContract string, serializedMizuConfig string, isNsRestrictedMode bool, mizuResourcesNamespace string, isInstallMode bool, agentImage string, syncEntriesConfig *shared.SyncEntriesConfig, maxEntriesDBSizeBytes int64, apiServerResources shared.Resources, imagePullPolicy core.PullPolicy, logLevel logging.Level, noPersistentVolumeClaim bool) (bool, error) {
func CreateTapMizuResources(ctx context.Context, kubernetesProvider *kubernetes.Provider, serializedValidationRules string, serializedContract string, serializedMizuConfig string, isNsRestrictedMode bool, mizuResourcesNamespace string, agentImage string, syncEntriesConfig *shared.SyncEntriesConfig, maxEntriesDBSizeBytes int64, apiServerResources shared.Resources, imagePullPolicy core.PullPolicy, logLevel logging.Level) (bool, error) {
if !isNsRestrictedMode {
if err := createMizuNamespace(ctx, kubernetesProvider, mizuResourcesNamespace); err != nil {
return false, err
@@ -25,11 +25,9 @@ func CreateMizuResources(ctx context.Context, cancel context.CancelFunc, kuberne
logger.Log.Warningf(uiUtils.Warning, fmt.Sprintf("Failed to create resources required for policy validation. Mizu will not validate policy rules. error: %v", errormessage.FormatError(err)))
}
mizuServiceAccountExists, err := createRBACIfNecessary(ctx, kubernetesProvider, isNsRestrictedMode, mizuResourcesNamespace, isInstallMode)
mizuServiceAccountExists, err := createRBACIfNecessary(ctx, kubernetesProvider, isNsRestrictedMode, mizuResourcesNamespace)
if err != nil {
if !isInstallMode {
logger.Log.Warningf(uiUtils.Warning, fmt.Sprintf("Failed to ensure the resources required for IP resolving. Mizu will not resolve target IPs to names. error: %v", errormessage.FormatError(err)))
}
logger.Log.Warningf(uiUtils.Warning, fmt.Sprintf("Failed to ensure the resources required for IP resolving. Mizu will not resolve target IPs to names. error: %v", errormessage.FormatError(err)))
}
var serviceAccountName string
@@ -52,29 +50,70 @@ func CreateMizuResources(ctx context.Context, cancel context.CancelFunc, kuberne
LogLevel: logLevel,
}
if isInstallMode {
if !mizuServiceAccountExists {
defer CleanUpMizuResources(ctx, cancel, kubernetesProvider, isNsRestrictedMode, mizuResourcesNamespace)
logger.Log.Fatalf(uiUtils.Red, fmt.Sprintf("Failed to ensure the resources required for mizu to run in daemon mode. cannot proceed. error: %v", errormessage.FormatError(err)))
}
if err := createMizuApiServerDeployment(ctx, kubernetesProvider, opts, noPersistentVolumeClaim); err != nil {
return mizuServiceAccountExists, err
}
} else {
if err := createMizuApiServerPod(ctx, kubernetesProvider, opts); err != nil {
return mizuServiceAccountExists, err
}
if err := createMizuApiServerPod(ctx, kubernetesProvider, opts); err != nil {
return mizuServiceAccountExists, err
}
_, err = kubernetesProvider.CreateService(ctx, mizuResourcesNamespace, kubernetes.ApiServerPodName, kubernetes.ApiServerPodName)
if err != nil {
return mizuServiceAccountExists, err
}
logger.Log.Debugf("Successfully created service: %s", kubernetes.ApiServerPodName)
return mizuServiceAccountExists, nil
}
func CreateInstallMizuResources(ctx context.Context, kubernetesProvider *kubernetes.Provider, serializedValidationRules string, serializedContract string, serializedMizuConfig string, isNsRestrictedMode bool, mizuResourcesNamespace string, agentImage string, syncEntriesConfig *shared.SyncEntriesConfig, maxEntriesDBSizeBytes int64, apiServerResources shared.Resources, imagePullPolicy core.PullPolicy, logLevel logging.Level, noPersistentVolumeClaim bool) error {
if !isNsRestrictedMode {
if err := createMizuNamespace(ctx, kubernetesProvider, mizuResourcesNamespace); err != nil {
return err
}
logger.Log.Infof("Created mizu namespace")
}
if err := createMizuConfigmap(ctx, kubernetesProvider, serializedValidationRules, serializedContract, serializedMizuConfig, mizuResourcesNamespace); err != nil {
return err
}
logger.Log.Infof("Created config map")
_, err := createRBACIfNecessary(ctx, kubernetesProvider, isNsRestrictedMode, mizuResourcesNamespace)
if err != nil {
return err
}
if err := kubernetesProvider.CreateDaemonsetRBAC(ctx, mizuResourcesNamespace, kubernetes.ServiceAccountName, kubernetes.DaemonRoleName, kubernetes.DaemonRoleBindingName, mizu.RBACVersion); err != nil {
return err
}
logger.Log.Infof("Created RBAC")
serviceAccountName := kubernetes.ServiceAccountName
opts := &kubernetes.ApiServerOptions{
Namespace: mizuResourcesNamespace,
PodName: kubernetes.ApiServerPodName,
PodImage: agentImage,
ServiceAccountName: serviceAccountName,
IsNamespaceRestricted: isNsRestrictedMode,
SyncEntriesConfig: syncEntriesConfig,
MaxEntriesDBSizeBytes: maxEntriesDBSizeBytes,
Resources: apiServerResources,
ImagePullPolicy: imagePullPolicy,
LogLevel: logLevel,
}
if err := createMizuApiServerDeployment(ctx, kubernetesProvider, opts, noPersistentVolumeClaim); err != nil {
return err
}
logger.Log.Infof("Created Api Server deployment")
_, err = kubernetesProvider.CreateService(ctx, mizuResourcesNamespace, kubernetes.ApiServerPodName, kubernetes.ApiServerPodName)
if err != nil {
return err
}
logger.Log.Infof("Created Api Server service")
return nil
}
func createMizuNamespace(ctx context.Context, kubernetesProvider *kubernetes.Provider, mizuResourcesNamespace string) error {
_, err := kubernetesProvider.CreateNamespace(ctx, mizuResourcesNamespace)
return err
@@ -85,7 +124,7 @@ func createMizuConfigmap(ctx context.Context, kubernetesProvider *kubernetes.Pro
return err
}
func createRBACIfNecessary(ctx context.Context, kubernetesProvider *kubernetes.Provider, isNsRestrictedMode bool, mizuResourcesNamespace string, isInstallMode bool) (bool, error) {
func createRBACIfNecessary(ctx context.Context, kubernetesProvider *kubernetes.Provider, isNsRestrictedMode bool, mizuResourcesNamespace string) (bool, error) {
if !isNsRestrictedMode {
if err := kubernetesProvider.CreateMizuRBAC(ctx, mizuResourcesNamespace, kubernetes.ServiceAccountName, kubernetes.ClusterRoleName, kubernetes.ClusterRoleBindingName, mizu.RBACVersion); err != nil {
return false, err
@@ -95,11 +134,7 @@ func createRBACIfNecessary(ctx context.Context, kubernetesProvider *kubernetes.P
return false, err
}
}
if isInstallMode {
if err := kubernetesProvider.CreateDaemonsetRBAC(ctx, mizuResourcesNamespace, kubernetes.ServiceAccountName, kubernetes.DaemonRoleName, kubernetes.DaemonRoleBindingName, mizu.RBACVersion); err != nil {
return false, err
}
}
return true, nil
}
@@ -141,7 +176,7 @@ func tryToCreatePersistentVolumeClaim(ctx context.Context, kubernetesProvider *k
return false
}
if _, err = kubernetesProvider.CreatePersistentVolumeClaim(ctx, opts.Namespace, kubernetes.PersistentVolumeClaimName, opts.MaxEntriesDBSizeBytes + mizu.DaemonModePersistentVolumeSizeBufferBytes); err != nil {
if _, err = kubernetesProvider.CreatePersistentVolumeClaim(ctx, opts.Namespace, kubernetes.PersistentVolumeClaimName, opts.MaxEntriesDBSizeBytes + mizu.InstallModePersistentVolumeSizeBufferBytes); err != nil {
logger.Log.Warningf(uiUtils.Yellow, "An error has occured while creating a persistent volume claim for mizu, this means mizu data will be lost on mizu-api-server pod restart")
logger.Log.Debugf("error creating persistent volume claim: %v", err)
return false