NOISSUE - Scale up nats, envoy, authn, things and mqtt (#41)

* scale to 3 nats, envoy, authn, things and mqtt Signed-off-by: Ivan Milošević <[email protected]> * Add size of scale to helm values Add scaling to README Signed-off-by: Ivan Milošević <[email protected]> * remove highlights from configuration table in readme Signed-off-by: Ivan Milošević <[email protected]>
absmach · May 21, 2020 · 43e4fc2 · 43e4fc2
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diff --git a/charts/mainflux/README.md b/charts/mainflux/README.md
@@ -15,18 +15,21 @@ Helm Chart for the Mainflux IoT Platform
 
 The following table lists the configurable parameters and their default values.
 
-| Parameter                              | Description                                                                | Default        |
-| -------------------------------------- | -------------------------------------------------------------------------- | -------------- |
-| `defaults.logLevel`                    | Log level                                                                  | `debug`        |
-| `defaults.image.pullPolicy`            | Docker Image Pull Policy                                                   | `IfNotPresent` |
-| `defaults.image.repository`            | Docker Image Repository                                                    | `mainflux`     |
-| `defaults.image.tag`                   | Docker Image Tag                                                           | `0.10.0`        |
-| `nginx_internal.mtls.tls`              | TLS secret which contains the server cert/key                              | `''`           |
-| `nginx_internal.mtls.intermediate_crt` | Generic secret which contains the intermediate cert used to verify clients | `''`           |
-| `ingress.enabled`                      | Should the Nginx Ingress be created                                        | `true`         |
-| `ingress.hostname`                     | Hostname for the Nginx Ingress                                             | `''`           |
-| `ingress.tls.hostname`                 | Hostname of the Nginx Ingress certificate                                  | `''`           |
-| `ingress.tls.secret`                   | TLS secret for the Nginx Ingress                                           | `''`           |
+| Parameter                            | Description                                                                | Default      |
+| ------------------------------------ | -------------------------------------------------------------------------- | ------------ |
+| defaults.logLevel                    | Log level                                                                  | debug        |
+| defaults.image.pullPolicy            | Docker Image Pull Policy                                                   | IfNotPresent |
+| defaults.image.repository            | Docker Image Repository                                                    | mainflux     |
+| defaults.image.tag                   | Docker Image Tag                                                           | 0.10.0       |
+| defaults.replicaCount                | Replicas of MQTT adapter, Things, Envoy and Authn                          | 3            |
+| nginx_internal.mtls.tls              | TLS secret which contains the server cert/key                              |              |
+| nginx_internal.mtls.intermediate_crt | Generic secret which contains the intermediate cert used to verify clients |              |
+| ingress.enabled                      | Should the Nginx Ingress be created                                        | true         |
+| ingress.hostname                     | Hostname for the Nginx Ingress                                             |              |
+| ingress.tls.hostname                 | Hostname of the Nginx Ingress certificate                                  |              |
+| ingress.tls.secret                   | TLS secret for the Nginx Ingress                                           |              |
+| nats.maxPayload                      | Maximum payload size in bytes that the NATS server will accept             | 268435456    |
+| nats.replicaCount                    | NATS replicas                                                              | 3            |
 
 All Mainflux services can have their `logLevel`, `image.pullPolicy`, `image.repository` and `image.tag` overridden. The names of the services are:
 
@@ -41,4 +44,6 @@ All Mainflux services can have their `logLevel`, `image.pullPolicy`, `image.repo
 - influxdb_writer
 - infuxdb_reader
 
+By default scale of MQTT adapter, Things, Envoy, Authn and NATS will be set to 3. It's recommended that you set this values to number of your nodes in Kubernetes cluster, i.e. `--set defaults.replicaCount=3 --set nats.replicaCount=3`
+
 **Note:** make sure you run `helm install` with `--dependency-update` flag!
diff --git a/charts/mainflux/templates/adapter_mqtt-deployment.yaml b/charts/mainflux/templates/adapter_mqtt-deployment.yaml
@@ -203,6 +203,7 @@ kind: StatefulSet
 metadata:
   name: {{ .Release.Name }}-adapter-mqtt
 spec:
+  replicas: {{ .Values.defaults.replicaCount }}
   serviceName: {{ .Release.Name }}-adapter-mqtt
   selector:
     matchLabels:

diff --git a/charts/mainflux/templates/authn-deployment.yaml b/charts/mainflux/templates/authn-deployment.yaml
@@ -6,6 +6,7 @@ kind: Deployment
 metadata:
   name: {{ .Release.Name }}-authn
 spec:
+  replicas: {{ .Values.defaults.replicaCount }}
   selector:
     matchLabels:
       app: {{ .Release.Name }}

diff --git a/charts/mainflux/templates/envoy.yaml b/charts/mainflux/templates/envoy.yaml
@@ -101,6 +101,7 @@ kind: Deployment
 metadata:
   name: {{ .Release.Name }}-envoy
 spec:
+  replicas: {{ .Values.defaults.replicaCount }}
   selector:
     matchLabels:
       app: {{ .Release.Name }}

diff --git a/charts/mainflux/templates/things-deployment.yaml b/charts/mainflux/templates/things-deployment.yaml
@@ -6,6 +6,7 @@ kind: Deployment
 metadata:
   name: {{ .Release.Name }}-things
 spec:
+  replicas: {{ .Values.defaults.replicaCount }}
   selector:
     matchLabels:
       app: {{ .Release.Name }}

diff --git a/charts/mainflux/values.yaml b/charts/mainflux/values.yaml
@@ -7,6 +7,8 @@ defaults:
     pullPolicy: "IfNotPresent"
     repository: "mainflux"
     tag: "0.10.0"
+  # Replicas of MQTT adapter, NATS, Things, Envoy and Authn
+  replicaCount: 3
 
 ingress:
   enabled: true
@@ -82,6 +84,7 @@ nats:
   clusterAuth:
     enabled: false
   maxPayload: 268435456
+  replicaCount: 3
 
 postgresql-users:
   name: postgresql-users