[FEAT] add version monitoring parameters to cap-operator-manager (#85)

* [FIX] manager missing permission for `captenantoutputs`

* [FEAT] add version monitoring parameters to cap-operator-manager

* remove `volumes` from `subscriptionServer`

Makefile

@@ -20,7 +20,7 @@ help: ## Display this help.
 
 .PHONY: manifests
 manifests: controller-gen ## Generate ClusterRole & CustomResourceDefinition objects.
-	$(CONTROLLER_GEN) rbac:roleName=manager-role crd paths="./..." output:crd:artifacts:config=config/crd
+	$(CONTROLLER_GEN) rbac:roleName=cap-operator-manager-role crd paths="./..." output:crd:artifacts:config=config/crd
 
 .PHONY: generate
 generate: controller-gen ## Generate code containing DeepCopy, DeepCopyInto, and DeepCopyObject method implementations.
@@ -88,8 +88,8 @@ LISTER_GEN ?= $(LOCALBIN)/lister-gen
 SETUP_ENVTEST ?= $(LOCALBIN)/setup-envtest
 
 ## Tool Versions
-CONTROLLER_TOOLS_VERSION ?= v0.13.0
-CODE_GENERATOR_VERSION ?= v0.28.1
+CONTROLLER_TOOLS_VERSION ?= v0.16.3
+CODE_GENERATOR_VERSION ?= v0.31.1
 SETUP_ENVTEST_VERSION ?= latest
 
 .PHONY: controller-gen

api/v1alpha1/capoperator_types.go

@@ -11,14 +11,15 @@ import (
 
 	"github.com/sap/component-operator-runtime/pkg/component"
 	runtimetypes "github.com/sap/component-operator-runtime/pkg/types"
+	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	runtime "k8s.io/apimachinery/pkg/runtime"
 )
 
 // NOTE: json tags are required.  Any new fields you add must have json tags for the fields to be serialized.
-//+kubebuilder:object:root=true
-//+kubebuilder:subresource:status
-//+kubebuilder:printcolumn:name="State",type=string,JSONPath=".status.state"
+// +kubebuilder:object:root=true
+// +kubebuilder:subresource:status
+// +kubebuilder:printcolumn:name="State",type=string,JSONPath=".status.state"
 
 // CAPOperator is the Schema for the CAPOperators API
 type CAPOperator struct {
@@ -36,20 +37,45 @@ type CAPOperatorStatus struct {
 
 // CAPOperatorSpec defines the desired state of CAPOperator
 type CAPOperatorSpec struct {
-	// SubscriptionServer info
+	// SubscriptionServer specification
 	SubscriptionServer SubscriptionServer `json:"subscriptionServer"`
 	// +kubebuilder:validation:Pattern=^[a-z0-9-.]*$
 	// Public ingress URL for the cluster Load Balancer
 	DNSTarget string `json:"dnsTarget,omitempty"`
 	// +kubebuilder:validation:MinItems=1
 	// Labels used to identify the istio ingress-gateway component and its corresponding namespace. Usually {"app":"istio-ingressgateway","istio":"ingressgateway"}
 	IngressGatewayLabels []NameValue `json:"ingressGatewayLabels,omitempty"`
+	// Controller specification
+	Controller Controller `json:"controller,omitempty"`
 }
 
 type SubscriptionServer struct {
 	Subdomain string `json:"subDomain"`
 }
 
+type Controller struct {
+	VersionMonitoring *VersionMonitoring `json:"versionMonitoring,omitempty"`
+	// Optionally specify list of additional volumes for the controller pod(s)
+	Volumes []corev1.Volume `json:"volumes,omitempty"`
+	// Optionally specify list of additional volumeMounts for the controller container(s)
+	VolumeMounts []corev1.VolumeMount `json:"volumeMounts,omitempty"`
+}
+
+type VersionMonitoring struct {
+	// URL of the Prometheus server from which metrics related to managed application versions can be queried
+	PrometheusAddress string `json:"prometheusAddress,omitempty"`
+	// The duration (example 2h) after which versions are evaluated for deletion; based on specified workload metrics
+	MetricsEvaluationInterval Duration `json:"metricsEvaluationInterval,omitempty"`
+	// The duration (example 10m) to wait before retrying to acquire Prometheus client and verify connection, after a failed attempt
+	PromClientAcquireRetryDelay Duration `json:"promClientAcquireRetryDelay,omitempty"`
+}
+
+// Duration is a valid time duration that can be parsed by Prometheus
+// Supported units: y, w, d, h, m, s, ms
+// Examples: `30s`, `1m`, `1h20m15s`, `15d`
+// +kubebuilder:validation:Pattern:="^(0|(([0-9]+)y)?(([0-9]+)w)?(([0-9]+)d)?(([0-9]+)h)?(([0-9]+)m)?(([0-9]+)s)?(([0-9]+)ms)?)$"
+type Duration string
+
 // Generic Name/Value configuration
 type NameValue struct {
 	Name  string `json:"name"`