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[bitnami/node-exporter] Add hostAliases (#5283)

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This commit is contained in:
Javier J. Salmerón-García
2021-01-28 13:11:31 +01:00
committed by GitHub
parent 8fcc3fdc67
commit 8d01caa64e
4 changed files with 82 additions and 69 deletions
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2
bitnami/node-exporter/Chart.yaml
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@@ -24,4 +24,4 @@ sources:
- https://github.com/bitnami/bitnami-docker-node-exporter
- https://github.com/prometheus/node_exporter
- https://prometheus.io/
version: 2.1.3
version: 2.2.0

137
bitnami/node-exporter/README.md
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@@ -50,74 +50,75 @@ The command removes all the Kubernetes components associated with the chart and
The following table lists the configurable parameters of the Node Exporter chart and their default values.
| Parameter | Description | Default |
|-----------------------------------------|----------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------|
| `global.imageRegistry` | Global Docker image registry | `nil` |
| `global.imagePullSecrets` | Global Docker registry secret names as an array | `[]` (does not add image pull secrets to deployed pods) |
| `global.storageClass` | Global storage class for dynamic provisioning | `nil` |
| `global.labels` | Additional labels to apply to all resource | `{}` |
| `nameOverride` | String to partially override `common.names.fullname` template with a string | `nil` |
| `fullnameOverride` | String to fully override `common.names.fullname` template with a string | `nil` |
| `rbac.create` | Whether to create & use RBAC resources or not | `true` |
| `rbac.apiVersion` | Version of the RBAC API | `v1beta1` |
| `rbac.pspEnabled` | PodSecurityPolicy | `true` |
| `serviceAccount.create` | Specify whether to create a ServiceAccount for Node Exporter | `true` |
| `serviceAccount.name` | The name of the ServiceAccount to create | Generated using the `common.names.fullname` template |
| `image.registry` | Node Exporter image registry | `docker.io` |
| `image.repository` | Node Exporter Image name | `bitnami/node-exporter` |
| `image.tag` | Node Exporter Image tag | `{TAG_NAME}` |
| `image.pullPolicy` | Node Exporter image pull policy | `IfNotPresent` |
| `image.pullSecrets` | Specify docker-registry secret names as an array | `[]` (does not add image pull secrets to deployed pods) |
| `extraArgs` | Additional command line arguments to pass to node-exporter | `{}` |
| `extraVolumes` | Additional volumes to the node-exporter pods | `{}` |
| `extraVolumeMounts` | Additional volumeMounts to the node-exporter container | `{}` |
| `securityContext.enabled` | Enable security context | `true` |
| `securityContext.runAsUser` | User ID for the container | `1001` |
| `securityContext.fsGroup` | Group ID for the container filesystem | `1001` |
| `service.type` | Kubernetes service type | `ClusterIP` |
| `service.port` | Node Exporter service port | `9100` |
| `service.targetPort` | Node Exporter container target port | `9100` |
| `service.clusterIP` | Specific cluster IP when service type is cluster IP. Use `None` for headless service | `nil` |
| `service.nodePort` | Kubernetes Service nodePort | `nil` |
| `service.loadBalancerIP` | `loadBalancerIP` if service type is `LoadBalancer` | `nil` |
| `service.loadBalancerSourceRanges` | Address that are allowed when svc is `LoadBalancer` | `[]` |
| `service.addPrometheusScrapeAnnotation` | Add the `prometheus.io/scrape: "true"` annotation to the service | `true` |
| `service.annotations` | Additional annotations for Node Exporter service | `{}` |
| `service.labels` | Additional labels for Node Exporter service | `{}` |
| `updateStrategy` | The update strategy to apply to the DaemonSet | `{ "type": "RollingUpdate", "rollingUpdate": { "maxUnavailable": "1" } }` |
| `hostNetwork` | Expose the service to the host network | `true` |
| `minReadySeconds` | `minReadySeconds` to avoid killing pods before we are ready | `0` |
| `priorityClassName` | Priority class assigned to the Pods | `nil` |
| `resources` | Resource requests/limit | `{}` |
| `podLabels` | Pod labels | `{}` |
| `podAnnotations` | Pod annotations | `{}` |
| `podAffinityPreset` | Pod affinity preset. Ignored if `affinity` is set. Allowed values: `soft` or `hard` | `""` |
| `podAntiAffinityPreset` | Pod anti-affinity preset. Ignored if `affinity` is set. Allowed values: `soft` or `hard` | `soft` |
| `nodeAffinityPreset.type` | Node affinity preset type. Ignored if `affinity` is set. Allowed values: `soft` or `hard` | `""` |
| `nodeAffinityPreset.key` | Node label key to match Ignored if `affinity` is set. | `""` |
| `nodeAffinityPreset.values` | Node label values to match. Ignored if `affinity` is set. | `[]` |
| `affinity` | Affinity for pod assignment | `{}` (evaluated as a template) |
| `nodeSelector` | Node labels for pod assignment | `{}` (evaluated as a template) |
| `tolerations` | Tolerations for pod assignment | `[]` (evaluated as a template) |
| `livenessProbe.enabled` | Turn on and off liveness probe | `true` |
| `livenessProbe.initialDelaySeconds` | Delay before liveness probe is initiated | `120` |
| `livenessProbe.periodSeconds` | How often to perform the probe | `10` |
| `livenessProbe.timeoutSeconds` | When the probe times out | `5` |
| `livenessProbe.failureThreshold` | Minimum consecutive failures for the probe | `6` |
| `livenessProbe.successThreshold` | Minimum consecutive successes for the probe | `1` |
| `readinessProbe.enabled` | Turn on and off readiness probe | `true` |
| `readinessProbe.initialDelaySeconds` | Delay before readiness probe is initiated | `30` |
| `readinessProbe.periodSeconds` | How often to perform the probe | `10` |
| `readinessProbe.timeoutSeconds` | When the probe times out | `5` |
| `readinessProbe.failureThreshold` | Minimum consecutive failures for the probe | `6` |
| `readinessProbe.successThreshold` | Minimum consecutive successes for the probe | `1` |
| `serviceMonitor.enabled` | Creates a ServiceMonitor to monitor Node Exporter | `false` |
| `serviceMonitor.namespace` | Namespace in which Prometheus is running | `nil` |
| `serviceMonitor.interval` | Scrape interval (use by default, falling back to Prometheus' default) | `nil` |
| `serviceMonitor.jobLabel` | The name of the label on the target service to use as the job name in prometheus. | `nil` |
| `serviceMonitor.selector` | ServiceMonitor selector labels | `[]` |
| `serviceMonitor.relabelings` | ServiceMonitor relabelings | `[]` |
| `serviceMonitor.metricRelabelings` | ServiceMonitor metricRelabelings | `[]` |
| Parameter | Description | Default |
|-----------------------------------------|-------------------------------------------------------------------------------------------|---------------------------------------------------------------------------|
| `global.imageRegistry` | Global Docker image registry | `nil` |
| `global.imagePullSecrets` | Global Docker registry secret names as an array | `[]` (does not add image pull secrets to deployed pods) |
| `global.storageClass` | Global storage class for dynamic provisioning | `nil` |
| `global.labels` | Additional labels to apply to all resource | `{}` |
| `nameOverride` | String to partially override `common.names.fullname` template with a string | `nil` |
| `fullnameOverride` | String to fully override `common.names.fullname` template with a string | `nil` |
| `hostAliases` | Add deployment host aliases | `[]` |
| `rbac.create` | Whether to create & use RBAC resources or not | `true` |
| `rbac.apiVersion` | Version of the RBAC API | `v1beta1` |
| `rbac.pspEnabled` | PodSecurityPolicy | `true` |
| `serviceAccount.create` | Specify whether to create a ServiceAccount for Node Exporter | `true` |
| `serviceAccount.name` | The name of the ServiceAccount to create | Generated using the `common.names.fullname` template |
| `image.registry` | Node Exporter image registry | `docker.io` |
| `image.repository` | Node Exporter Image name | `bitnami/node-exporter` |
| `image.tag` | Node Exporter Image tag | `{TAG_NAME}` |
| `image.pullPolicy` | Node Exporter image pull policy | `IfNotPresent` |
| `image.pullSecrets` | Specify docker-registry secret names as an array | `[]` (does not add image pull secrets to deployed pods) |
| `extraArgs` | Additional command line arguments to pass to node-exporter | `{}` |
| `extraVolumes` | Additional volumes to the node-exporter pods | `{}` |
| `extraVolumeMounts` | Additional volumeMounts to the node-exporter container | `{}` |
| `securityContext.enabled` | Enable security context | `true` |
| `securityContext.runAsUser` | User ID for the container | `1001` |
| `securityContext.fsGroup` | Group ID for the container filesystem | `1001` |
| `service.type` | Kubernetes service type | `ClusterIP` |
| `service.port` | Node Exporter service port | `9100` |
| `service.targetPort` | Node Exporter container target port | `9100` |
| `service.clusterIP` | Specific cluster IP when service type is cluster IP. Use `None` for headless service | `nil` |
| `service.nodePort` | Kubernetes Service nodePort | `nil` |
| `service.loadBalancerIP` | `loadBalancerIP` if service type is `LoadBalancer` | `nil` |
| `service.loadBalancerSourceRanges` | Address that are allowed when svc is `LoadBalancer` | `[]` |
| `service.addPrometheusScrapeAnnotation` | Add the `prometheus.io/scrape: "true"` annotation to the service | `true` |
| `service.annotations` | Additional annotations for Node Exporter service | `{}` |
| `service.labels` | Additional labels for Node Exporter service | `{}` |
| `updateStrategy` | The update strategy to apply to the DaemonSet | `{ "type": "RollingUpdate", "rollingUpdate": { "maxUnavailable": "1" } }` |
| `hostNetwork` | Expose the service to the host network | `true` |
| `minReadySeconds` | `minReadySeconds` to avoid killing pods before we are ready | `0` |
| `priorityClassName` | Priority class assigned to the Pods | `nil` |
| `resources` | Resource requests/limit | `{}` |
| `podLabels` | Pod labels | `{}` |
| `podAnnotations` | Pod annotations | `{}` |
| `podAffinityPreset` | Pod affinity preset. Ignored if `affinity` is set. Allowed values: `soft` or `hard` | `""` |
| `podAntiAffinityPreset` | Pod anti-affinity preset. Ignored if `affinity` is set. Allowed values: `soft` or `hard` | `soft` |
| `nodeAffinityPreset.type` | Node affinity preset type. Ignored if `affinity` is set. Allowed values: `soft` or `hard` | `""` |
| `nodeAffinityPreset.key` | Node label key to match Ignored if `affinity` is set. | `""` |
| `nodeAffinityPreset.values` | Node label values to match. Ignored if `affinity` is set. | `[]` |
| `affinity` | Affinity for pod assignment | `{}` (evaluated as a template) |
| `nodeSelector` | Node labels for pod assignment | `{}` (evaluated as a template) |
| `tolerations` | Tolerations for pod assignment | `[]` (evaluated as a template) |
| `livenessProbe.enabled` | Turn on and off liveness probe | `true` |
| `livenessProbe.initialDelaySeconds` | Delay before liveness probe is initiated | `120` |
| `livenessProbe.periodSeconds` | How often to perform the probe | `10` |
| `livenessProbe.timeoutSeconds` | When the probe times out | `5` |
| `livenessProbe.failureThreshold` | Minimum consecutive failures for the probe | `6` |
| `livenessProbe.successThreshold` | Minimum consecutive successes for the probe | `1` |
| `readinessProbe.enabled` | Turn on and off readiness probe | `true` |
| `readinessProbe.initialDelaySeconds` | Delay before readiness probe is initiated | `30` |
| `readinessProbe.periodSeconds` | How often to perform the probe | `10` |
| `readinessProbe.timeoutSeconds` | When the probe times out | `5` |
| `readinessProbe.failureThreshold` | Minimum consecutive failures for the probe | `6` |
| `readinessProbe.successThreshold` | Minimum consecutive successes for the probe | `1` |
| `serviceMonitor.enabled` | Creates a ServiceMonitor to monitor Node Exporter | `false` |
| `serviceMonitor.namespace` | Namespace in which Prometheus is running | `nil` |
| `serviceMonitor.interval` | Scrape interval (use by default, falling back to Prometheus' default) | `nil` |
| `serviceMonitor.jobLabel` | The name of the label on the target service to use as the job name in prometheus. | `nil` |
| `serviceMonitor.selector` | ServiceMonitor selector labels | `[]` |
| `serviceMonitor.relabelings` | ServiceMonitor relabelings | `[]` |
| `serviceMonitor.metricRelabelings` | ServiceMonitor metricRelabelings | `[]` |
Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example the following command sets the `minReadySeconds` of the Node Exporter Pods to `120` seconds.

3
bitnami/node-exporter/templates/daemonset.yaml
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@@ -21,6 +21,9 @@ spec:
spec:
{{- include "node-exporter.imagePullSecrets" . | nindent 6 }}
serviceAccountName: {{ template "node-exporter.serviceAccountName" . }}
{{- if .Values.hostAliases }}
hostAliases: {{- include "common.tplvalues.render" (dict "value" .Values.hostAliases "context" $) | nindent 8 }}
{{- end }}
{{- if .Values.priorityClassName }}
priorityClassName: {{ .Values.priorityClassName }}
{{- end }}

9
bitnami/node-exporter/values.yaml
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@@ -19,6 +19,11 @@ global:
##
# fullnameOverride:
## Deployment pod host aliases
## https://kubernetes.io/docs/concepts/services-networking/add-entries-to-pod-etc-hosts-with-host-aliases/
##
hostAliases: []
## Role Based Access
## Ref: https://kubernetes.io/docs/admin/authorization/rbac/
##
@@ -65,16 +70,19 @@ image:
# - myRegistryKeySecretName
## Additional command line arguments to pass to node-exporter
##
extraArgs: {}
# collector.filesystem.ignored-mount-points: "^/(dev|proc|sys|var/lib/docker/.+)($|/)"
# collector.filesystem.ignored-fs-types: "^(autofs|binfmt_misc|cgroup|configfs|debugfs|devpts|devtmpfs|fusectl|hugetlbfs|mqueue|overlay|proc|procfs|pstore|rpc_pipefs|securityfs|sysfs|tracefs)$"
## Additional volumes to the node-exporter pods
##
extraVolumes: []
# - name: copy-portal-skins
# emptyDir: {}
## Additional volumeMounts to the node-exporter container
##
extraVolumeMounts: []
# - name: copy-portal-skins
# mountPath: /var/lib/lemonldap-ng/portal/skins
@@ -185,6 +193,7 @@ podAntiAffinityPreset: soft
nodeAffinityPreset:
## Node affinity type
## Allowed values: soft, hard
##
type: ""
## Node label key to match
## E.g.