From 0b0022d0a2503ed4fc8ada75f241d80d11cb658e Mon Sep 17 00:00:00 2001 From: Tyler Perkins Date: Sat, 2 Nov 2024 22:17:21 -0400 Subject: [PATCH] Add metallb --- cluster/metallb/config-map-overrides.yaml | 344 ++++++++++++++++++ cluster/metallb/helmrelease-metallb.yaml | 22 ++ .../metallb/metallb-kustomization-config.yaml | 21 ++ cluster/metallb/metallb-kustomization.yaml | 19 + 4 files changed, 406 insertions(+) create mode 100644 cluster/metallb/config-map-overrides.yaml create mode 100644 cluster/metallb/helmrelease-metallb.yaml create mode 100644 cluster/metallb/metallb-kustomization-config.yaml create mode 100644 cluster/metallb/metallb-kustomization.yaml diff --git a/cluster/metallb/config-map-overrides.yaml b/cluster/metallb/config-map-overrides.yaml new file mode 100644 index 0000000..a22fc53 --- /dev/null +++ b/cluster/metallb/config-map-overrides.yaml @@ -0,0 +1,344 @@ +apiVersion: v1 +kind: ConfigMap +metadata: + name: metallb-helm-chart-value-overrides + namespace: metallb-system +data: + values.yaml: |- + # Default values for metallb. + # This is a YAML-formatted file. + # Declare variables to be passed into your templates. + + imagePullSecrets: [] + nameOverride: "" + fullnameOverride: "" + loadBalancerClass: "" + + # To configure MetalLB, you must specify ONE of the following two + # options. + + rbac: + # create specifies whether to install and use RBAC rules. + create: true + + prometheus: + # scrape annotations specifies whether to add Prometheus metric + # auto-collection annotations to pods. See + # https://github.com/prometheus/prometheus/blob/release-2.1/documentation/examples/prometheus-kubernetes.yml + # for a corresponding Prometheus configuration. Alternatively, you + # may want to use the Prometheus Operator + # (https://github.com/coreos/prometheus-operator) for more powerful + # monitoring configuration. If you use the Prometheus operator, this + # can be left at false. + scrapeAnnotations: false + + # port both controller and speaker will listen on for metrics + metricsPort: 7472 + + # if set, enables rbac proxy on the controller and speaker to expose + # the metrics via tls. + # secureMetricsPort: 9120 + + # the name of the secret to be mounted in the speaker pod + # to expose the metrics securely. If not present, a self signed + # certificate to be used. + speakerMetricsTLSSecret: "" + + # the name of the secret to be mounted in the controller pod + # to expose the metrics securely. If not present, a self signed + # certificate to be used. + controllerMetricsTLSSecret: "" + + # prometheus doens't have the permission to scrape all namespaces so we give it permission to scrape metallb's one + rbacPrometheus: true + + # the service account used by prometheus + # required when " .Values.prometheus.rbacPrometheus == true " and " .Values.prometheus.podMonitor.enabled=true or prometheus.serviceMonitor.enabled=true " + serviceAccount: "" + + # the namespace where prometheus is deployed + # required when " .Values.prometheus.rbacPrometheus == true " and " .Values.prometheus.podMonitor.enabled=true or prometheus.serviceMonitor.enabled=true " + namespace: "" + + # Prometheus Operator PodMonitors + podMonitor: + # enable support for Prometheus Operator + enabled: false + + # optional additionnal labels for podMonitors + additionalLabels: {} + + # optional annotations for podMonitors + annotations: {} + + # Job label for scrape target + jobLabel: "app.kubernetes.io/name" + + # Scrape interval. If not set, the Prometheus default scrape interval is used. + interval: + + # metric relabel configs to apply to samples before ingestion. + metricRelabelings: [] + # - action: keep + # regex: 'kube_(daemonset|deployment|pod|namespace|node|statefulset).+' + # sourceLabels: [__name__] + + # relabel configs to apply to samples before ingestion. + relabelings: [] + # - sourceLabels: [__meta_kubernetes_pod_node_name] + # separator: ; + # regex: ^(.*)$ + # target_label: nodename + # replacement: $1 + # action: replace + + # Prometheus Operator ServiceMonitors. To be used as an alternative + # to podMonitor, supports secure metrics. + serviceMonitor: + # enable support for Prometheus Operator + enabled: false + + speaker: + # optional additional labels for the speaker serviceMonitor + additionalLabels: {} + # optional additional annotations for the speaker serviceMonitor + annotations: {} + # optional tls configuration for the speaker serviceMonitor, in case + # secure metrics are enabled. + tlsConfig: + insecureSkipVerify: true + + controller: + # optional additional labels for the controller serviceMonitor + additionalLabels: {} + # optional additional annotations for the controller serviceMonitor + annotations: {} + # optional tls configuration for the controller serviceMonitor, in case + # secure metrics are enabled. + tlsConfig: + insecureSkipVerify: true + + # Job label for scrape target + jobLabel: "app.kubernetes.io/name" + + # Scrape interval. If not set, the Prometheus default scrape interval is used. + interval: + + # metric relabel configs to apply to samples before ingestion. + metricRelabelings: [] + # - action: keep + # regex: 'kube_(daemonset|deployment|pod|namespace|node|statefulset).+' + # sourceLabels: [__name__] + + # relabel configs to apply to samples before ingestion. + relabelings: [] + # - sourceLabels: [__meta_kubernetes_pod_node_name] + # separator: ; + # regex: ^(.*)$ + # target_label: nodename + # replacement: $1 + # action: replace + + # Prometheus Operator alertmanager alerts + prometheusRule: + # enable alertmanager alerts + enabled: false + + # optional additionnal labels for prometheusRules + additionalLabels: {} + + # optional annotations for prometheusRules + annotations: {} + + # MetalLBStaleConfig + staleConfig: + enabled: true + labels: + severity: warning + + # MetalLBConfigNotLoaded + configNotLoaded: + enabled: true + labels: + severity: warning + + # MetalLBAddressPoolExhausted + addressPoolExhausted: + enabled: true + labels: + severity: alert + + addressPoolUsage: + enabled: true + thresholds: + - percent: 75 + labels: + severity: warning + - percent: 85 + labels: + severity: warning + - percent: 95 + labels: + severity: alert + + # MetalLBBGPSessionDown + bgpSessionDown: + enabled: true + labels: + severity: alert + + extraAlerts: [] + + # controller contains configuration specific to the MetalLB cluster + # controller. + controller: + enabled: true + # -- Controller log level. Must be one of: `all`, `debug`, `info`, `warn`, `error` or `none` + logLevel: info + # command: /controller + # webhookMode: enabled + image: + repository: quay.io/metallb/controller + tag: + pullPolicy: + ## @param controller.updateStrategy.type Metallb controller deployment strategy type. + ## ref: https://kubernetes.io/docs/concepts/workloads/controllers/deployment/#strategy + ## e.g: + ## strategy: + ## type: RollingUpdate + ## rollingUpdate: + ## maxSurge: 25% + ## maxUnavailable: 25% + ## + strategy: + type: RollingUpdate + serviceAccount: + # Specifies whether a ServiceAccount should be created + create: true + # The name of the ServiceAccount to use. If not set and create is + # true, a name is generated using the fullname template + name: "" + annotations: {} + securityContext: + runAsNonRoot: true + # nobody + runAsUser: 65534 + fsGroup: 65534 + resources: {} + # limits: + # cpu: 100m + # memory: 100Mi + nodeSelector: {} + tolerations: [] + priorityClassName: "" + runtimeClassName: "" + affinity: {} + podAnnotations: {} + labels: {} + livenessProbe: + enabled: true + failureThreshold: 3 + initialDelaySeconds: 10 + periodSeconds: 10 + successThreshold: 1 + timeoutSeconds: 1 + readinessProbe: + enabled: true + failureThreshold: 3 + initialDelaySeconds: 10 + periodSeconds: 10 + successThreshold: 1 + timeoutSeconds: 1 + + # speaker contains configuration specific to the MetalLB speaker + # daemonset. + speaker: + enabled: true + # command: /speaker + # -- Speaker log level. Must be one of: `all`, `debug`, `info`, `warn`, `error` or `none` + logLevel: info + tolerateMaster: true + memberlist: + enabled: true + mlBindPort: 7946 + mlSecretKeyPath: "/etc/ml_secret_key" + excludeInterfaces: + enabled: true + image: + repository: quay.io/metallb/speaker + tag: + pullPolicy: + ## @param speaker.updateStrategy.type Speaker daemonset strategy type + ## ref: https://kubernetes.io/docs/tasks/manage-daemon/update-daemon-set/ + ## + updateStrategy: + ## StrategyType + ## Can be set to RollingUpdate or OnDelete + ## + type: RollingUpdate + serviceAccount: + # Specifies whether a ServiceAccount should be created + create: true + # The name of the ServiceAccount to use. If not set and create is + # true, a name is generated using the fullname template + name: "" + annotations: {} + ## Defines a secret name for the controller to generate a memberlist encryption secret + ## By default secretName: {{ "metallb.fullname" }}-memberlist + ## + # secretName: + resources: {} + # limits: + # cpu: 100m + # memory: 100Mi + nodeSelector: {} + tolerations: [] + priorityClassName: "" + affinity: {} + ## Selects which runtime class will be used by the pod. + runtimeClassName: "" + podAnnotations: {} + labels: {} + livenessProbe: + enabled: true + failureThreshold: 3 + initialDelaySeconds: 10 + periodSeconds: 10 + successThreshold: 1 + timeoutSeconds: 1 + readinessProbe: + enabled: true + failureThreshold: 3 + initialDelaySeconds: 10 + periodSeconds: 10 + successThreshold: 1 + timeoutSeconds: 1 + startupProbe: + enabled: true + failureThreshold: 30 + periodSeconds: 5 + # frr contains configuration specific to the MetalLB FRR container, + # for speaker running alongside FRR. + frr: + enabled: true + image: + repository: quay.io/frrouting/frr + tag: 9.1.0 + pullPolicy: + metricsPort: 7473 + resources: {} + + # if set, enables a rbac proxy sidecar container on the speaker to + # expose the frr metrics via tls. + # secureMetricsPort: 9121 + + reloader: + resources: {} + + frrMetrics: + resources: {} + + crds: + enabled: true + validationFailurePolicy: Fail + diff --git a/cluster/metallb/helmrelease-metallb.yaml b/cluster/metallb/helmrelease-metallb.yaml new file mode 100644 index 0000000..35bc9e0 --- /dev/null +++ b/cluster/metallb/helmrelease-metallb.yaml @@ -0,0 +1,22 @@ +apiVersion: helm.toolkit.fluxcd.io/v2beta1 +kind: HelmRelease +metadata: + name: metallb + namespace: metallb-system +spec: + chart: + spec: + chart: metallb + version: 0.14.x + sourceRef: + kind: HelmRepository + name: metallb + namespace: flux-system + interval: 15m + timeout: 5m + releaseName: metallb + valuesFrom: + - kind: ConfigMap + name: metallb-helm-chart-value-overrides + valuesKey: values.yaml + diff --git a/cluster/metallb/metallb-kustomization-config.yaml b/cluster/metallb/metallb-kustomization-config.yaml new file mode 100644 index 0000000..40cb056 --- /dev/null +++ b/cluster/metallb/metallb-kustomization-config.yaml @@ -0,0 +1,21 @@ +apiVersion: kustomize.toolkit.fluxcd.io/v1beta1 +kind: Kustomization +metadata: + name: config--metallb-system + namespace: flux-system +spec: + interval: 15m + dependsOn: + - name: metallb--metallb-system + path: "./infra/metallb" + prune: true # remove any elements later removed from the above path + timeout: 2m # if not set, this defaults to interval duration, which is 1h + sourceRef: + kind: GitRepository + name: flux-system + healthChecks: + - apiVersion: apps/v1 + kind: Deployment + name: metallb-controller + namespace: metallb-system + diff --git a/cluster/metallb/metallb-kustomization.yaml b/cluster/metallb/metallb-kustomization.yaml new file mode 100644 index 0000000..564a2de --- /dev/null +++ b/cluster/metallb/metallb-kustomization.yaml @@ -0,0 +1,19 @@ +apiVersion: kustomize.toolkit.fluxcd.io/v1beta1 +kind: Kustomization +metadata: + name: metallb--metallb-system + namespace: flux-system +spec: + interval: 15m + path: "./infra/metallb" + prune: true # remove any elements later removed from the above path + timeout: 2m # if not set, this defaults to interval duration, which is 1h + sourceRef: + kind: GitRepository + name: flux-system + healthChecks: + - apiVersion: apps/v1 + kind: Deployment + name: metallb-controller + namespace: metallb-system +