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| apiVersion: v1 | ||
| appVersion: "1.0" | ||
| description: Chart for krakend app gateway | ||
| apiVersion: v2 | ||
| name: krakend | ||
| description: A Helm chart for Kubernetes | ||
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||
| # A chart can be either an 'application' or a 'library' chart. | ||
| # | ||
| # Application charts are a collection of templates that can be packaged into versioned archives | ||
| # to be deployed. | ||
| # | ||
| # Library charts provide useful utilities or functions for the chart developer. They're included as | ||
| # a dependency of application charts to inject those utilities and functions into the rendering | ||
| # pipeline. Library charts do not define any templates and therefore cannot be deployed. | ||
| type: application | ||
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| # This is the chart version. This version number should be incremented each time you make changes | ||
| # to the chart and its templates, including the app version. | ||
| # Versions are expected to follow Semantic Versioning (https://semver.org/) | ||
| version: 0.1.0 | ||
| keywords: | ||
| - krakend | ||
| - api | ||
| - gateway | ||
| home: http://www.krakend.io | ||
| maintainers: | ||
| - name: Michele Scandura | ||
| email: [email protected] | ||
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| # This is the version number of the application being deployed. This version number should be | ||
| # incremented each time you make changes to the application. Versions are not expected to | ||
| # follow Semantic Versioning. They should reflect the version the application is using. | ||
| appVersion: 1.1.1 |
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| # krakend-helm | ||
| An helm chart to deploy krakend in a kubernetes cluster | ||
| * Installs the api-gateway system [KrakenD](http://krakend.io/) | ||
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| ## TL;DR; | ||
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| ```console | ||
| $ helm install krakend-helm | ||
| ``` | ||
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| ## Installing the Chart | ||
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| To install the chart with the release name `my-release`: | ||
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| ```console | ||
| $ helm install --name my-release krakend-helm | ||
| ``` | ||
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| ## Uninstalling the Chart | ||
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| To uninstall/delete the my-release deployment: | ||
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| ```console | ||
| $ helm delete my-release | ||
| ``` | ||
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| The command removes all the Kubernetes components associated with the chart and deletes the release. | ||
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| ## Upgrading an existing Release to a new major version | ||
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| A major chart version change (like v1.2.3 -> v2.0.0) indicates that there is an | ||
| incompatible breaking change needing manual actions. | ||
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| ## Configuration | ||
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| | Parameter | Description | Default | | ||
| |-------------------------------------------|-----------------------------------------------|---------------------------------------------------------| | ||
| | `replicas` | Number of nodes | `1` | | | | ||
| | `securityContext` | Deployment securityContext | `{}` | | ||
| | `image.repository` | Image repository | `devopsfaith/krakend` | | ||
| | `image.tag` | Image tag | `latest` | | ||
| | `image.pullPolicy` | Image pull policy | `IfNotPresent` | | ||
| | `imagePullSecrets` | Image pull secrets | `{}` | | ||
| | `service.type` | Kubernetes service type | `ClusterIP` | | ||
| | `service.port` | Kubernetes port where service is exposed | `80` | | ||
| | `ingress.enabled` | Enables Ingress | `false` | | ||
| | `ingress.annotations` | Ingress annotations (values are templated) | `{}` | | ||
| | `ingress.hosts` | Ingress accepted hostnames | `[]` | | ||
| | `ingress.tls` | Ingress TLS configuration | `[]` | | ||
| | `resources` | CPU/Memory resource requests/limits | `{}` | | ||
| | `nodeSelector` | Node labels for pod assignment | `{}` | | ||
| | `tolerations` | Toleration labels for pod assignment | `[]` | | ||
| | `affinity` | Affinity settings for pod assignment | `{}` | | ||
| | `annotations` | Deployment annotations | `{}` | | ||
| | `serviceAccount.annotations` | ServiceAccount annotations | | | ||
| | `serviceAccount.create` | Create service account | `true` | | ||
| | `serviceAccount.name` | Service account name to use, when empty will be set to created account if `serviceAccount.create` is set else to `default` | `` | | ||
| | `podAnnotations` | Deployment | `{}` | | ||
| | `namespaceOverride` | Override the deployment namespace | `""` (`Release.Namespace`) | |
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| { | ||
| "version": 2, | ||
| "timeout": "3000ms", | ||
| "cache_ttl": "300s", | ||
| "output_encoding": "json", | ||
| "name": "My lovely gateway", | ||
| "port": 8080, | ||
| "name": "sample", | ||
| "cache_ttl": "3600s", | ||
| "timeout": "3s", | ||
| "extra_config": { | ||
| "github_com/devopsfaith/krakend-metrics": { | ||
| "collection_time": "60s", | ||
| "proxy_disabled": false, | ||
| "router_disabled": false, | ||
| "backend_disabled": false, | ||
| "endpoint_disabled": false, | ||
| "listen_address": ":8090" | ||
| }, | ||
| "github_com/devopsfaith/krakend-gelf": { | ||
| "address": "127.0.0.1:12201", | ||
| "enable_tcp": false | ||
| }, | ||
| "github_com/devopsfaith/krakend-gologging": { | ||
| "level": "DEBUG", | ||
| "prefix": "[KRAKEND]", | ||
| "syslog": false, | ||
| "stdout": true | ||
| "level": "DEBUG", | ||
| "prefix": "[KRAKEND]", | ||
| "syslog": false, | ||
| "stdout": true | ||
| } | ||
| }, | ||
| "endpoints": [ | ||
| { | ||
| "endpoint": "/", | ||
| "extra_config": {}, | ||
| "output_encoding": "no-op", | ||
| "concurrent_calls": 1, | ||
| "backend": [ | ||
| { | ||
| "url_pattern": "/", | ||
| "encoding": "no-op", | ||
| "extra_config": {}, | ||
| "sd": "static", | ||
| "host": [ | ||
| "http://krakend.io" | ||
| { | ||
| "endpoint": "/health", | ||
| "method": "GET", | ||
| "backend": [ | ||
| { | ||
| "host": [ | ||
| "https://jsonplaceholder.typicode.com" | ||
| ], | ||
| "mapping": { | ||
| "body": "output" | ||
| }, | ||
| "whitelist": [ | ||
| "id", | ||
| "body" | ||
| ], | ||
| "url_pattern": "/posts/1", | ||
| "extra_config": { | ||
| "github.com/devopsfaith/krakend-circuitbreaker/gobreaker": { | ||
| "interval": 60, | ||
| "timeout": 10, | ||
| "maxErrors": 1 | ||
| } | ||
| } | ||
| } | ||
| ], | ||
| "disable_host_sanitize": false | ||
| } | ||
| ] | ||
| } | ||
| "extra_config": { | ||
| "github.com/devopsfaith/krakend/proxy": { | ||
| "static": { | ||
| "strategy": "success", | ||
| "data": { | ||
| "name": "IDEART", | ||
| "env": "pre", | ||
| "status": "pass" | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| ] | ||
| } |
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| 1. Get the application URL by running these commands: | ||
| {{- if .Values.ingress.enabled }} | ||
| {{- range .Values.ingress.hosts }} | ||
| http{{ if $.Values.ingress.tls }}s{{ end }}://{{ . }}{{ $.Values.ingress.path }} | ||
| {{- range $host := .Values.ingress.hosts }} | ||
| {{- range .paths }} | ||
| http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host.host }}{{ . }} | ||
| {{- end }} | ||
| {{- end }} | ||
| {{- else if contains "NodePort" .Values.service.type }} | ||
| export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "krakend.fullname" . }}) | ||
| export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}") | ||
| echo http://$NODE_IP:$NODE_PORT | ||
| {{- else if contains "LoadBalancer" .Values.service.type }} | ||
| NOTE: It may take a few minutes for the LoadBalancer IP to be available. | ||
| You can watch the status of by running 'kubectl get svc -w {{ include "krakend.fullname" . }}' | ||
| export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "krakend.fullname" . }} -o jsonpath='{.status.loadBalancer.ingress[0].ip}') | ||
| You can watch the status of by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "krakend.fullname" . }}' | ||
| export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "krakend.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}") | ||
| echo http://$SERVICE_IP:{{ .Values.service.port }} | ||
| {{- else if contains "ClusterIP" .Values.service.type }} | ||
| export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "krakend.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}") | ||
| echo "Visit http://127.0.0.1:8080 to use your application" | ||
| kubectl port-forward $POD_NAME 8080:80 | ||
| kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:8080 | ||
| {{- end }} |
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