broker

Documentation

Index

• Constants
• Variables
• func CheckHealth(ctx context.Context, m *mesheryv1alpha1.Broker, client *kubernetes.Clientset) error
• func ErrConditionFalse(reason string) error
• func ErrGettingEndpoint(err error) error
• func ErrGettingResource(err error) error
• func ErrReplicasNotReady(reason string) error
• func GetEndpoint(ctx context.Context, m *mesheryv1alpha1.Broker, client *kubernetes.Clientset, ...) error
• func GetObjects(m *mesheryv1alpha1.Broker) map[string]Object
• type Object

Constants

const (
	ServerConfig  = "server-config"
	AccountConfig = "account-config"
	ServerObject  = "server-object"
	ServiceObject = "service-object"
)

const (
	ErrGettingResourceCode  = "1013"
	ErrReplicasNotReadyCode = "1014"
	ErrConditionFalseCode   = "1015"
	ErrGettingEndpointCode  = "1016"
)

Variables

var (
	MesheryLabel = map[string]string{
		"app": "meshery",
	}

	MesheryAnnotation = map[string]string{
		"meshery/component-type": "management-plane",
	}

	BrokerLabel = map[string]string{
		"app":       MesheryLabel["app"],
		"component": "broker",
	}

	PrometheusAnnotation = map[string]string{
		"meshery/component-type": "management-plane",
		"prometheus.io/path":     "/metrics",
		"prometheus.io/port":     "7777",
		"prometheus.io/scrape":   "true",
	}

	NatsConfigMap = &corev1.ConfigMap{
		ObjectMeta: metav1.ObjectMeta{
			Namespace: "meshery",
			Name:      "meshery-nats-config",
			Labels:    BrokerLabel,
		},
		Data: map[string]string{
			"nats.conf": `
# PID file shared with configuration reloader.
pid_file: "/var/run/nats/nats.pid"
# Monitoring
http: 8222
server_name: $POD_NAME
# Authorization 
resolver: MEMORY
include "accounts/resolver.conf"`,
		},
	}

	AccountsConfigMap = &corev1.ConfigMap{
		ObjectMeta: metav1.ObjectMeta{
			Namespace: "meshery",
			Name:      "meshery-nats-accounts",
			Labels:    BrokerLabel,
		},
		Data: map[string]string{
			"resolver.conf": `
resolver: MEMORY
resolver_preload: {
ACSU3Q6LTLBVLGAQUONAGXJHVNWGSKKAUA7IY5TB4Z7PLEKSR5O6JTGR: eyJ0eXAiOiJqd3QiLCJhbGciOiJlZDI1NTE5In0.eyJqdGkiOiJPRFhJSVI2Wlg1Q1AzMlFJTFczWFBENEtTSDYzUFNNSEZHUkpaT05DR1RLVVBISlRLQ0JBIiwiaWF0IjoxNTU2NjU1Njk0LCJpc3MiOiJPRFdaSjJLQVBGNzZXT1dNUENKRjZCWTRRSVBMVFVJWTRKSUJMVTRLM1lERzNHSElXQlZXQkhVWiIsIm5hbWUiOiJBIiwic3ViIjoiQUNTVTNRNkxUTEJWTEdBUVVPTkFHWEpIVk5XR1NLS0FVQTdJWTVUQjRaN1BMRUtTUjVPNkpUR1IiLCJ0eXBlIjoiYWNjb3VudCIsIm5hdHMiOnsibGltaXRzIjp7InN1YnMiOi0xLCJjb25uIjotMSwibGVhZiI6LTEsImltcG9ydHMiOi0xLCJleHBvcnRzIjotMSwiZGF0YSI6LTEsInBheWxvYWQiOi0xLCJ3aWxkY2FyZHMiOnRydWV9fX0._WW5C1triCh8a4jhyBxEZZP8RJ17pINS8qLzz-01o6zbz1uZfTOJGvwSTS6Yv2_849B9iUXSd-8kp1iMXHdoBA
}`,
		},
	}

	Service = &corev1.Service{
		ObjectMeta: metav1.ObjectMeta{
			Namespace:   "meshery",
			Name:        "meshery-nats",
			Labels:      BrokerLabel,
			Annotations: MesheryAnnotation,
		},
		Spec: corev1.ServiceSpec{
			Ports: []corev1.ServicePort{
				{
					Name: "client",
					Port: val4222,
				},
				{
					Name: "cluster",
					Port: val6222,
				},
				{
					Name: "monitor",
					Port: val8222,
				},
				{
					Name: "metrics",
					Port: val7777,
				},
				{
					Name: "leafnodes",
					Port: val7422,
				},
				{
					Name: "gateways",
					Port: val7522,
				},
			},
			Selector: BrokerLabel,
			Type:     corev1.ServiceTypeLoadBalancer,
		},
	}

	StatefulSet = &appsv1.StatefulSet{
		ObjectMeta: metav1.ObjectMeta{
			Namespace:   "meshery",
			Name:        "meshery-nats",
			Labels:      BrokerLabel,
			Annotations: MesheryAnnotation,
		},
		Spec: appsv1.StatefulSetSpec{
			Replicas: &val1,
			Selector: &metav1.LabelSelector{
				MatchLabels: BrokerLabel,
			},
			ServiceName: "meshery-nats",
			Template:    PodTemplate,
		},
	}

	PodTemplate = corev1.PodTemplateSpec{
		ObjectMeta: metav1.ObjectMeta{
			Namespace:   "meshery",
			Name:        "meshery-nats",
			Labels:      BrokerLabel,
			Annotations: PrometheusAnnotation,
		},
		Spec: corev1.PodSpec{
			ServiceAccountName: "meshery-operator",
			Volumes: []corev1.Volume{
				{
					Name: "config-volume",
					VolumeSource: corev1.VolumeSource{
						ConfigMap: &corev1.ConfigMapVolumeSource{
							LocalObjectReference: corev1.LocalObjectReference{
								Name: "meshery-nats-config",
							},
						},
					},
				},
				{
					Name: "pid",
					VolumeSource: corev1.VolumeSource{
						EmptyDir: &corev1.EmptyDirVolumeSource{},
					},
				},
				{
					Name: "resolver-volume",
					VolumeSource: corev1.VolumeSource{
						ConfigMap: &corev1.ConfigMapVolumeSource{
							LocalObjectReference: corev1.LocalObjectReference{
								Name: "meshery-nats-accounts",
							},
						},
					},
				},
			},
			ShareProcessNamespace:         &valtrue,
			TerminationGracePeriodSeconds: &val60,
			Containers: []corev1.Container{
				{
					Name:            "nats",
					Image:           "nats:2.8.2-alpine3.15",
					ImagePullPolicy: corev1.PullIfNotPresent,
					Ports: []corev1.ContainerPort{
						{
							Name: "client",

							ContainerPort: val4222,
						},
						{
							Name: "cluster",

							ContainerPort: val6222,
						},
						{
							Name: "leafnodes",

							ContainerPort: val7422,
						},
						{
							Name: "gateways",

							ContainerPort: val7522,
						},
						{
							Name: "monitor",

							ContainerPort: val8222,
						},
						{
							Name:          "metrics",
							ContainerPort: val7777,
						},
					},
					Command: []string{
						"nats-server", "--config", "/etc/nats-config/nats.conf",
					},
					Env: []corev1.EnvVar{
						{
							Name: "POD_NAME",
							ValueFrom: &corev1.EnvVarSource{
								FieldRef: &corev1.ObjectFieldSelector{
									FieldPath: "metadata.name",
								},
							},
						},
						{
							Name: "POD_NAMESPACE",
							ValueFrom: &corev1.EnvVarSource{
								FieldRef: &corev1.ObjectFieldSelector{
									FieldPath: "metadata.namespace",
								},
							},
						},
						{
							Name:  "CLUSTER_ADVERTISE",
							Value: "$(POD_NAME).meshery-nats.$(POD_NAMESPACE).svc",
						},
					},
					VolumeMounts: []corev1.VolumeMount{
						{
							Name:      "config-volume",
							MountPath: "/etc/nats-config",
						},
						{
							Name:      "pid",
							MountPath: "/var/run/nats",
						},
						{
							Name:      "resolver-volume",
							MountPath: "/etc/nats-config/accounts",
						},
					},
					LivenessProbe: &corev1.Probe{
						ProbeHandler: corev1.ProbeHandler{
							HTTPGet: &corev1.HTTPGetAction{
								Path: "/",
								Port: intstr.IntOrString{
									IntVal: val8222,
								},
							},
						},
						InitialDelaySeconds: 10,
						TimeoutSeconds:      5,
					},
					ReadinessProbe: &corev1.Probe{
						ProbeHandler: corev1.ProbeHandler{
							HTTPGet: &corev1.HTTPGetAction{
								Path: "/",
								Port: intstr.IntOrString{
									IntVal: val8222,
								},
							},
						},
						InitialDelaySeconds: 10,
						TimeoutSeconds:      5,
					},
					Lifecycle: &corev1.Lifecycle{
						PreStop: &corev1.LifecycleHandler{
							Exec: &corev1.ExecAction{
								Command: []string{
									"/bin/sh", "-c", "nats-server -sl=ldm=/var/run/nats/nats.pid && /bin/sleep 60",
								},
							},
						},
					},
				},
				{
					Name:            "reloader",
					Image:           "connecteverything/nats-server-config-reloader:0.6.0",
					ImagePullPolicy: corev1.PullIfNotPresent,
					Command: []string{
						"nats-server-config-reloader", "-pid", "/var/run/nats/nats.pid", "-config", "/etc/nats-config/nats.conf",
					},
					VolumeMounts: []corev1.VolumeMount{
						{
							Name:      "config-volume",
							MountPath: "/etc/nats-config",
						},
						{
							Name:      "pid",
							MountPath: "/var/run/nats",
						},
					},
				},
			},
		},
	}
)

Functions

func CheckHealth

func CheckHealth(ctx context.Context, m *mesheryv1alpha1.Broker, client *kubernetes.Clientset) error

func ErrConditionFalse

func ErrConditionFalse(reason string) error

func ErrGettingEndpoint

func ErrGettingEndpoint(err error) error

func ErrGettingResource

func ErrGettingResource(err error) error

func ErrReplicasNotReady

func ErrReplicasNotReady(reason string) error

func GetEndpoint

func GetEndpoint(ctx context.Context, m *mesheryv1alpha1.Broker, client *kubernetes.Clientset, url string) error

GetEndpoint returns those endpoints in the given service which match the selector.

func GetObjects

func GetObjects(m *mesheryv1alpha1.Broker) map[string]Object

Types

type Object

type Object interface {
	runtime.Object
	metav1.Object
}