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Apache Skywalking Helm Chart

Apache SkyWalking is application performance monitor tool for distributed systems, especially designed for microservices, cloud native and container-based (Docker, K8s, Mesos) architectures.

Introduction

This chart bootstraps a Apache SkyWalking deployment on a Kubernetes cluster using the Helm package manager.

Prerequisites

• Kubernetes 1.9.6+
• PV dynamic provisioning support on the underlying infrastructure (StorageClass)
• Helm 3

Installing the Chart

To install the chart with the release name my-release:

$ helm install my-release skywalking -n <namespace>

The command deploys Apache Skywalking on the Kubernetes cluster in the default configuration. The configuration section lists the parameters that can be configured during installation.

Tip: List all releases using helm list

Uninstalling the Chart

To uninstall/delete the my-release deployment:

$ helm uninstall my-release -n <namespace>

The command removes all the Kubernetes components associated with the chart and deletes the release.

Configuration

The following table lists the configurable parameters of the Skywalking chart and their default values.

Specify each parameter using the --set key=value[,key=value] argument to helm install. For example,

$ helm install myrelease skywalking --set nameOverride=newSkywalking

Alternatively, a YAML file that specifies the values for the above parameters can be provided while installing the chart. For example,

$ helm install my-release skywalking -f values.yaml

Tip: You can use the default values.yaml

RBAC Configuration

Roles and RoleBindings resources will be created automatically for OAP .

Tip: You can refer to the default oap-role.yaml file in templates to customize your own.

Ingress TLS

If your cluster allows automatic create/retrieve of TLS certificates (e.g. kube-lego), please refer to the documentation for that mechanism.

To manually configure TLS, first create/retrieve a key & certificate pair for the address(skywalking ui) you wish to protect. Then create a TLS secret in the namespace:

kubectl create secret tls skywalking-tls --cert=path/to/tls.cert --key=path/to/tls.key

Include the secret's name, along with the desired hostnames, in the skywalking-ui Ingress TLS section of your custom values.yaml file:

ui:
  ingress:
    ## If true, Skywalking ui server Ingress will be created
    ##
    enabled: true

    ## Skywalking ui server Ingress hostnames
    ## Must be provided if Ingress is enabled
    ##
    hosts:
      - skywalking.domain.com

    ## Skywalking ui server Ingress TLS configuration
    ## Secrets must be manually created in the namespace
    ##
    tls:
      - secretName: skywalking-tls
        hosts:
          - skywalking.domain.com

Envoy ALS

Envoy ALS(access log service) provides fully logs about RPC routed, including HTTP and TCP.

If you want to open envoy ALS, you can do this by modifying values.yaml.

oap:
  envoy:
    als:
      enabled: true

When envoy als ,will give ServiceAccount clusterrole permission. More envoy als ,please refer to als_setting