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	| Author | SHA1 | Date | |
|---|---|---|---|
| 343a2fe50b | 
| @@ -15,7 +15,7 @@ on: | ||||
| jobs: | ||||
|   generate-parameters: | ||||
|     container: | ||||
|       image: docker.io/library/node:24.1.0-alpine | ||||
|       image: docker.io/library/node:24.0.2-alpine | ||||
|     runs-on: | ||||
|     - ubuntu-latest | ||||
|     steps: | ||||
|   | ||||
| @@ -15,7 +15,7 @@ on: | ||||
| jobs: | ||||
|   markdown-link-checker: | ||||
|     container: | ||||
|       image: docker.io/library/node:24.1.0-alpine | ||||
|       image: docker.io/library/node:24.0.2-alpine | ||||
|     runs-on: | ||||
|     - ubuntu-latest | ||||
|     steps: | ||||
| @@ -31,7 +31,7 @@ jobs: | ||||
|  | ||||
|   markdown-lint: | ||||
|     container: | ||||
|       image: docker.io/library/node:24.1.0-alpine | ||||
|       image: docker.io/library/node:24.0.2-alpine | ||||
|     runs-on: | ||||
|     - ubuntu-latest | ||||
|     steps: | ||||
|   | ||||
| @@ -2,6 +2,7 @@ apiVersion: v2 | ||||
| name: prometheus-fail2ban-exporter | ||||
| description: Prometheus metric exporter for Fail2Ban | ||||
| type: application | ||||
| kubeVersion: ">=1.20.0" | ||||
| version: "0.1.0" | ||||
| appVersion: "0.1.1" | ||||
|  | ||||
|   | ||||
							
								
								
									
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							| @@ -4,13 +4,13 @@ CONTAINER_RUNTIME?=$(shell which podman) | ||||
| # HELM_IMAGE | ||||
| HELM_IMAGE_REGISTRY_HOST?=docker.io | ||||
| HELM_IMAGE_REPOSITORY?=volkerraschek/helm | ||||
| HELM_IMAGE_VERSION?=3.18.0 # renovate: datasource=docker registryUrl=https://docker.io depName=volkerraschek/helm | ||||
| HELM_IMAGE_VERSION?=3.17.3 # renovate: datasource=docker registryUrl=https://docker.io depName=volkerraschek/helm | ||||
| HELM_IMAGE_FULLY_QUALIFIED=${HELM_IMAGE_REGISTRY_HOST}/${HELM_IMAGE_REPOSITORY}:${HELM_IMAGE_VERSION} | ||||
|  | ||||
| # NODE_IMAGE | ||||
| NODE_IMAGE_REGISTRY_HOST?=docker.io | ||||
| NODE_IMAGE_REPOSITORY?=library/node | ||||
| NODE_IMAGE_VERSION?=24.1.0-alpine # renovate: datasource=docker registryUrl=https://docker.io depName=docker.io/library/node packageName=library/node | ||||
| NODE_IMAGE_VERSION?=22.15.1-alpine # renovate: datasource=docker registryUrl=https://docker.io depName=library/node | ||||
| NODE_IMAGE_FULLY_QUALIFIED=${NODE_IMAGE_REGISTRY_HOST}/${NODE_IMAGE_REPOSITORY}:${NODE_IMAGE_VERSION} | ||||
|  | ||||
| # MISSING DOT | ||||
|   | ||||
| @@ -1,5 +1,6 @@ | ||||
| # Prometheus Fail2Ban exporter | ||||
|  | ||||
| [](https://drone.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter) | ||||
| [](https://artifacthub.io/packages/search?repo=prometheus-exporters) | ||||
|  | ||||
| This helm chart enables the deployment of a Prometheus metrics exporter for Fail2Ban and allows the individual | ||||
| @@ -19,7 +20,7 @@ helm chart is tested for deployment scenarios with **ArgoCD**. | ||||
| ## Helm: configuration and installation | ||||
|  | ||||
| 1. A helm chart repository must be configured, to pull the helm charts from. | ||||
| 2. All available [parameters](#parameters) are documented in detail below. The parameters can be defined via the helm | ||||
| 2. All available parameters are [here](#parameters) in detail documented. The parameters can be defined via the helm | ||||
|    `--set` flag or directly as part of a `values.yaml` file. The following example defines the `prometheus-exporter` | ||||
|    repository and use the `--set` flag for a basic deployment. | ||||
|  | ||||
| @@ -70,8 +71,7 @@ available. As this is a Golang application, this can be implemented using `GOMAX | ||||
| of defining `GOMAXPROCS` automatically based on the defined CPU limit like `1000m`. Please keep in mind, that the CFS | ||||
| rate of `100ms` - default on each kubernetes node, is also very important to avoid CPU throttling. | ||||
|  | ||||
| Further information about this topic can be found in one of Kanishk's blog | ||||
| [posts](https://kanishk.io/posts/cpu-throttling-in-containerized-go-apps/). | ||||
| Further information about this topic can be found [here](https://kanishk.io/posts/cpu-throttling-in-containerized-go-apps/). | ||||
|  | ||||
| > [!NOTE] | ||||
| > The environment variable `GOMAXPROCS` is set automatically, when a CPU limit is defined. An explicit configuration is | ||||
|   | ||||
| @@ -4,21 +4,6 @@ | ||||
|  | ||||
| {{- define "prometheus-fail2ban-exporter.pod.annotations" -}} | ||||
| {{ include "prometheus-fail2ban-exporter.annotations" . }} | ||||
|  | ||||
| # The following annotations are required to trigger a rolling update. Further information can be found in the official | ||||
| # documentation of helm: | ||||
| # | ||||
| #   https://helm.sh/docs/howto/charts_tips_and_tricks/#automatically-roll-deployments | ||||
| # | ||||
|  | ||||
| {{/* web config */}} | ||||
| {{- if and .Values.config.webConfig.existingSecret.enabled .Values.config.webConfig.existingSecret.secretName }} | ||||
| {{- $secret := default (dict "data" (dict)) (lookup "v1" "Secret" .Release.Namespace .Values.config.webConfig.existingSecret.secretName ) }} | ||||
| checksum/secret-web-config: {{ print $secret.spec | sha256sum }} | ||||
| {{- else }} | ||||
| checksum/secret-web-config: {{ include (print $.Template.BasePath "/prometheus-fail2ban-exporter/secretWebConfig.yaml") . | sha256sum }} | ||||
| {{- end }} | ||||
|  | ||||
| {{- end }} | ||||
|  | ||||
| {{/* labels */}} | ||||
|   | ||||
| @@ -17,8 +17,6 @@ spec: | ||||
|       {{- include "prometheus-fail2ban-exporter.pod.selectorLabels" . | nindent 6 }} | ||||
|   template: | ||||
|     metadata: | ||||
|       annotations: | ||||
|         {{- include "prometheus-fail2ban-exporter.pod.annotations" . | nindent 8 }} | ||||
|       labels: | ||||
|         {{- include "prometheus-fail2ban-exporter.pod.labels" . | nindent 8 }} | ||||
|     spec: | ||||
|   | ||||
| @@ -7,22 +7,18 @@ release: | ||||
|   namespace: testing | ||||
| templates: | ||||
| - templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
| - templates/prometheus-fail2ban-exporter/secretWebConfig.yaml | ||||
| tests: | ||||
| - it: Rendering default | ||||
|   asserts: | ||||
|   - hasDocuments: | ||||
|       count: 1 | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - containsDocument: | ||||
|       apiVersion: apps/v1 | ||||
|       kind: DaemonSet | ||||
|       name: prometheus-fail2ban-exporter-unittest | ||||
|       namespace: testing | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - notExists: | ||||
|       path: metadata.annotations | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - equal: | ||||
|       path: metadata.labels | ||||
|       value: | ||||
| @@ -31,31 +27,15 @@ tests: | ||||
|         app.kubernetes.io/name: prometheus-fail2ban-exporter | ||||
|         app.kubernetes.io/version: 0.1.0 | ||||
|         helm.sh/chart: prometheus-fail2ban-exporter-0.1.0 | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - exists: | ||||
|       path: spec.template.metadata.annotations.checksum/secret-web-config | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - equal: | ||||
|       path: spec.template.metadata.labels | ||||
|       value: | ||||
|         app.kubernetes.io/instance: prometheus-fail2ban-exporter-unittest | ||||
|         app.kubernetes.io/managed-by: Helm | ||||
|         app.kubernetes.io/name: prometheus-fail2ban-exporter | ||||
|         app.kubernetes.io/version: 0.1.0 | ||||
|         helm.sh/chart: prometheus-fail2ban-exporter-0.1.0 | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - notExists: | ||||
|       path: spec.template.spec.affinity | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - notExists: | ||||
|       path: spec.template.spec.containers[0].envFrom | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - equal: | ||||
|       path: spec.template.spec.containers[0].args | ||||
|       value: | ||||
|       # - --web.config.file=/etc/prometheus-fail2ban-exporter/config.d/webConfig.yaml | ||||
|       - --web.listen-address=:9191 | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - equal: | ||||
|       path: spec.template.spec.containers[0].volumeMounts | ||||
|       value: | ||||
| @@ -63,7 +43,6 @@ tests: | ||||
|         name: socket | ||||
|       - mountPath: /etc/prometheus-fail2ban-exporter/config.d | ||||
|         name: config-d | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - equal: | ||||
|       path: spec.template.spec.volumes | ||||
|       value: | ||||
| @@ -74,59 +53,42 @@ tests: | ||||
|       - name: config-d | ||||
|         secret: | ||||
|           secretName: prometheus-fail2ban-exporter-unittest-web-config | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - equal: | ||||
|       path: spec.template.spec.containers[0].image | ||||
|       value: git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter:0.1.0 | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - equal: | ||||
|       path: spec.template.spec.containers[0].imagePullPolicy | ||||
|       value: IfNotPresent | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - notExists: | ||||
|       path: spec.template.spec.containers[0].resources | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - notExists: | ||||
|       path: spec.template.spec.containers[0].securityContext | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - notExists: | ||||
|       path: spec.template.spec.dnsConfig | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - notExists: | ||||
|       path: spec.template.spec.dnsPolicy | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - notExists: | ||||
|       path: spec.template.spec.hostname | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - equal: | ||||
|       path: spec.template.spec.hostNetwork | ||||
|       value: false | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - notExists: | ||||
|       path: spec.template.spec.imagePullSecrets | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - notExists: | ||||
|       path: spec.template.spec.nodeSelector | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - notExists: | ||||
|       path: spec.template.spec.priorityClassName | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - notExists: | ||||
|       path: spec.template.spec.restartPolicy | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - notExists: | ||||
|       path: spec.template.spec.subdomain | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - equal: | ||||
|       path: spec.template.spec.terminationGracePeriodSeconds | ||||
|       value: 60 | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - notExists: | ||||
|       path: spec.template.spec.tolerations | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - notExists: | ||||
|       path: spec.template.spec.topologySpreadConstraints | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - equal: | ||||
|       path: spec.updateStrategy | ||||
|       value: | ||||
| @@ -134,7 +96,6 @@ tests: | ||||
|           maxSurge: 1 | ||||
|           maxUnavailable: 0 | ||||
|         type: "RollingUpdate" | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|  | ||||
| - it: Test custom affinity | ||||
|   set: | ||||
| @@ -161,7 +122,6 @@ tests: | ||||
|                 values: | ||||
|                 - antarctica-east1 | ||||
|                 - antarctica-west1 | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|  | ||||
| - it: Test additional arguments | ||||
|   set: | ||||
| @@ -176,7 +136,6 @@ tests: | ||||
|       - --web.listen-address=:9191 | ||||
|       - --foo=bar | ||||
|       - --bar=foo | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|  | ||||
| - it: Test custom imageRegistry and imageRepository | ||||
|   set: | ||||
| @@ -186,7 +145,6 @@ tests: | ||||
|   - equal: | ||||
|       path: spec.template.spec.containers[0].image | ||||
|       value: registry.example.local/path/special/prometheus-fail2ban-exporter:0.1.0 | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|  | ||||
| - it: Test custom imagePullPolicy | ||||
|   set: | ||||
| @@ -195,7 +153,6 @@ tests: | ||||
|   - equal: | ||||
|       path: spec.template.spec.containers[0].imagePullPolicy | ||||
|       value: Always | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|  | ||||
| - it: Test config.webConfig.existingSecret | ||||
|   set: | ||||
| @@ -209,7 +166,6 @@ tests: | ||||
|         name: socket | ||||
|       - mountPath: /etc/prometheus-fail2ban-exporter/config.d | ||||
|         name: config-d | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - equal: | ||||
|       path: spec.template.spec.volumes | ||||
|       value: | ||||
| @@ -220,7 +176,6 @@ tests: | ||||
|       - name: config-d | ||||
|         secret: | ||||
|           secretName: web-config-secret | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|  | ||||
| - it: Test custom resource limits and requests | ||||
|   set: | ||||
| @@ -240,7 +195,6 @@ tests: | ||||
|           resourceFieldRef: | ||||
|             divisor: "1" | ||||
|             resource: limits.cpu | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - equal: | ||||
|       path: spec.template.spec.containers[0].resources | ||||
|       value: | ||||
| @@ -250,7 +204,6 @@ tests: | ||||
|         requests: | ||||
|           cpu: 25m | ||||
|           memory: 100MB | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|  | ||||
| - it: Test custom securityContext | ||||
|   set: | ||||
| @@ -277,7 +230,6 @@ tests: | ||||
|         readOnlyRootFilesystem: true | ||||
|         runAsNonRoot: true | ||||
|         runAsUser: 1000 | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|  | ||||
| - it: Test dnsConfig | ||||
|   set: | ||||
| @@ -292,7 +244,6 @@ tests: | ||||
|         nameservers: | ||||
|         - "8.8.8.8" | ||||
|         - "8.8.4.4" | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|  | ||||
| - it: Test dnsPolicy | ||||
|   set: | ||||
| @@ -301,7 +252,6 @@ tests: | ||||
|   - equal: | ||||
|       path: spec.template.spec.dnsPolicy | ||||
|       value: ClusterFirst | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|  | ||||
| - it: Test hostNetwork, hostname, subdomain | ||||
|   set: | ||||
| @@ -312,15 +262,12 @@ tests: | ||||
|   - equal: | ||||
|       path: spec.template.spec.hostNetwork | ||||
|       value: true | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - equal: | ||||
|       path: spec.template.spec.hostname | ||||
|       value: pg-exporter | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - equal: | ||||
|       path: spec.template.spec.subdomain | ||||
|       value: exporters.internal | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|  | ||||
| - it: Test imagePullSecrets | ||||
|   set: | ||||
| @@ -333,7 +280,6 @@ tests: | ||||
|       value: | ||||
|       - name: my-pull-secret | ||||
|       - name: my-special-secret | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|  | ||||
| - it: Test nodeSelector | ||||
|   set: | ||||
| @@ -344,7 +290,6 @@ tests: | ||||
|       path: spec.template.spec.nodeSelector | ||||
|       value: | ||||
|         foo: bar | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|  | ||||
| - it: Test priorityClassName | ||||
|   set: | ||||
| @@ -353,7 +298,6 @@ tests: | ||||
|   - equal: | ||||
|       path: spec.template.spec.priorityClassName | ||||
|       value: my-priority | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|  | ||||
| - it: Test restartPolicy | ||||
|   set: | ||||
| @@ -362,7 +306,6 @@ tests: | ||||
|   - equal: | ||||
|       path: spec.template.spec.restartPolicy | ||||
|       value: Always | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|  | ||||
| - it: Test terminationGracePeriodSeconds | ||||
|   set: | ||||
| @@ -371,7 +314,6 @@ tests: | ||||
|   - equal: | ||||
|       path: spec.template.spec.terminationGracePeriodSeconds | ||||
|       value: 120 | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|  | ||||
| - it: Test tolerations | ||||
|   set: | ||||
| @@ -388,7 +330,6 @@ tests: | ||||
|         operator: Equal | ||||
|         value: fail2ban | ||||
|         effect: NoSchedule | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|  | ||||
| - it: Test topologySpreadConstraints | ||||
|   set: | ||||
| @@ -407,7 +348,6 @@ tests: | ||||
|         labelSelector: | ||||
|           matchLabels: | ||||
|             app.kubernetes.io/instance: prometheus-fail2ban-exporter | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|  | ||||
| - it: Test additional volumeMounts and volumes | ||||
|   set: | ||||
| @@ -426,7 +366,6 @@ tests: | ||||
|         mountPath: /usr/lib/prometheus-fail2ban-exporter/data | ||||
|       - name: config-d | ||||
|         mountPath: /etc/prometheus-fail2ban-exporter/config.d | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|   - equal: | ||||
|       path: spec.template.spec.volumes | ||||
|       value: | ||||
| @@ -435,5 +374,4 @@ tests: | ||||
|           path: /usr/lib/prometheus-fail2ban-exporter/data | ||||
|       - name: config-d | ||||
|         secret: | ||||
|           secretName: prometheus-fail2ban-exporter-unittest-web-config | ||||
|     template: templates/prometheus-fail2ban-exporter/daemonSet.yaml | ||||
|           secretName: prometheus-fail2ban-exporter-unittest-web-config | ||||
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