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Adds Statefulset Support #137

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Adds Statefulset Support #137

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4e0db34
Adds Statefulset support
rvc-mf May 18, 2022
2ec41bc
Makes `workloadType` an optional field
rvc-mf May 18, 2022
d148f48
Formatting fixes
rvc-mf May 19, 2022
51838f5
Merge branch 'main' into feature/statefulset-support-136
rvc-mf Apr 11, 2023
6174025
Merge branch 'master' of github.com:rvc-mf/helm-kubernetes-services i…
rvc-mf Aug 31, 2023
b473c22
Removes support for canary sts deployments
rvc-mf Aug 31, 2023
227def5
removes headless svc enabled by default
rvc-mf Nov 16, 2023
f0982d6
Updates sts test config
rvc-mf Nov 16, 2023
6a1a0ce
Update charts/k8s-service/values.yaml
rvc-mf Jan 3, 2024
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17 changes: 10 additions & 7 deletions charts/k8s-service/README.md
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Original file line number Diff line number Diff line change
@@ -1,13 +1,13 @@
# Kubernetes Service Helm Chart

This Helm Chart can be used to deploy your application container under a
[Deployment](https://kubernetes.io/docs/concepts/workloads/controllers/deployment/) resource onto your Kubernetes
[Deployment](https://kubernetes.io/docs/concepts/workloads/controllers/deployment/) or [Statefulset](https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/) resource onto your Kubernetes
cluster. You can use this Helm Chart to run and deploy a long-running container, such as a web service or backend
microservice. The container will be packaged into
[Pods](https://kubernetes.io/docs/concepts/workloads/pods/pod-overview/) that are managed by the `Deployment`
controller.
[Pods](https://kubernetes.io/docs/concepts/workloads/pods/pod-overview/) that are managed by either the `Deployment` or the `Statefulset`
controller, depending on which workload you specify.

This Helm Chart can also be used to front the `Pods` of the `Deployment` resource with a
This Helm Chart can also be used to front the `Pods` of the `Deployment` or `Statefulset` resource with a
[Service](https://kubernetes.io/docs/concepts/services-networking/service/) to provide a stable endpoint to access the
`Pods`, as well as load balance traffic to them. The Helm Chart can also specify
[Ingress](https://kubernetes.io/docs/concepts/services-networking/ingress/) rules to further configure complex routing
Expand All @@ -32,8 +32,11 @@ The following resources will be deployed with this Helm Chart, depending on whic
- `Deployment`: The main `Deployment` controller that will manage the application container image specified in the
`containerImage` input value.
- Secondary `Deployment` for use as canary: An optional `Deployment` controller that will manage a [canary deployment](https://martinfowler.com/bliki/CanaryRelease.html) of the application container image specified in the `canary.containerImage` input value. This is useful for testing a new application tag, in parallel to your stable tag, prior to rolling the new tag out. Created only if you configure the `canary.containerImage` values (and set `canary.enabled = true`).
- `Statefulset`: The main `Statefulset` controller that will manage the application container image specified in the
`containerImage` input value.
- Secondary `Statefulset` for use as canary: An optional `Statefulset` controller that will manage a [canary deployment](https://martinfowler.com/bliki/CanaryRelease.html) of the application container image specified in the `canary.containerImage` input value. This is useful for testing a new application tag, in parallel to your stable tag, prior to rolling the new tag out. Created only if you configure the `canary.containerImage` values (and set `canary.enabled = true`).
- `Service`: The `Service` resource providing a stable endpoint that can be used to address to `Pods` created by the
`Deployment` controller. Created only if you configure the `service` input (and set
`Deployment` or `Statefulset` controller. Created only if you configure the `service` input (and set
`service.enabled = true`).
- `ServiceMonitor`: The `ServiceMonitor` describes the set of targets to be monitored by Prometheus. Created only if you configure the service input and set `serviceMonitor.enabled = true`.
- `Ingress`: The `Ingress` resource providing host and path routing rules to the `Service` for the deployed `Ingress`
Expand All @@ -43,10 +46,10 @@ The following resources will be deployed with this Helm Chart, depending on whic
controller, deployment, replica set or stateful set based on observed CPU or memory utilization.
Created only if the user sets `horizontalPodAutoscaler.enabled = true`.
- `PodDisruptionBudget`: The `PodDisruptionBudget` resource that specifies a disruption budget for the `Pods` managed by
the `Deployment`. This manages how many pods can be disrupted by a voluntary disruption (e.g
the `Deployment` or `Statefulset`. This manages how many pods can be disrupted by a voluntary disruption (e.g
node maintenance). Created if you specify a non-zero value for the `minPodsAvailable` input
value.
- `ManagedCertificate`: The `ManagedCertificate` is a [GCP](https://cloud.google.com/) -specific resource that creates a Google Managed SSL certificate. Google-managed SSL certificates are provisioned, renewed, and managed for your domain names. Read more about Google-managed SSL certificates [here](https://cloud.google.com/load-balancing/docs/ssl-certificates#managed-certs). Created only if you configure the `google.managedCertificate` input (and set
- `ManagedCertificate`: The `ManagedCertificate` is a [GCP](https://cloud.google.com/)-specific resource that creates a Google Managed SSL certificate. Google-managed SSL certificates are provisioned, renewed, and managed for your domain names. Read more about Google-managed SSL certificates [here](https://cloud.google.com/load-balancing/docs/ssl-certificates#managed-certs). Created only if you configure the `google.managedCertificate` input (and set
`google.managedCertificate.enabled = true` and `google.managedCertificate.domainName = your.domain.name`).

back to [root README](/README.adoc#core-concepts)
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