[add-config-param-table] add config param table in README.md

README.md

@@ -18,6 +18,65 @@ helm repo add influxdata https://helm.influxdata.com/
 
 You can then run `helm search repo influxdata` to see the charts.
 
+## Configuration
+
+The default configuration values for this chart are listed in `values.yaml`.
+
+#### General
+
+| Parameter | Description | Default |
+|---|---|---|
+| image.repository | Image repository url | influxdb |
+| image.tag | Image tag | 1.7.6-alpine |
+| image.pullPolicy | Image pull policy | IfNotPresent |
+| image.pullSecrets | It will store the repository's credentials to pull image | nil |
+| serviceAccount.create | It will create service account | true |
+| serviceAccount.name | Service account name | "" |
+| serviceAccount.annotations | Service account annotations | {} |
+| livenessProbe | Health check for pod | {} |
+| readinessProbe | Health check for pod | {} |
+| startupProbe | Health check for pod | {} |
+| service.type | Kubernetes service type | ClusterIP |
+| persistence.enabled | Boolean to enable and disable persistance | true |
+| persistence.storageClass | If set to "-", storageClassName: "", which disables dynamic provisioning. If undefined (the default) or set to null, no storageClassName spec is set, choosing the default provisioner.  (gp2 on AWS, standard on GKE, AWS & OpenStack |  |
+| persistence.annotations | Annotations for volumeClaimTemplates | nil |
+| persistence.accessMode | Access mode for the volume | ReadWriteOnce |
+| persistence.size | Storage size | 8Gi |
+| podAnnotations | Annotations for pod | {} |
+| ingress.enabled | Boolean flag to enable or disable ingress | false |
+| ingress.tls | Boolean to enable or disable tls for ingress. If enabled provide a secret in `ingress.secretName` containing TLS private key and certificate. | false |
+| ingress.secretName | Kubernetes secret containing TLS private key and certificate. It is `only` required if `ingress.tls` is enabled. | nil |
+| ingress.hostname | Hostname for the ingress | influxdb.foobar.com |
+| annotations | ingress annotations | nil |
+| schedulerName | Use an [alternate scheduler](https://kubernetes.io/docs/tasks/administer-cluster/configure-multiple-schedulers/), e.g. "stork". | nil |
+| nodeSelector | Node labels for pod assignment | {} |
+| affinity | [Affinity](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity) for pod assignment |  {|
+| tolerations | [Tolerations](https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/) for pod assignment | [] |
+| env | environment variables for influxdb container | {} |
+| config.reporting_disabled | [Details](https://docs.influxdata.com/influxdb/v1.7/administration/config/#reporting-disabled-false) | false |
+| config.rpc | RPC address for backup and storage | {} |
+| config.meta | [Details](https://docs.influxdata.com/influxdb/v1.7/administration/config/#meta) | {} |
+| config.data | [Details](https://docs.influxdata.com/influxdb/v1.7/administration/config/#data) | {} |
+| config.coordinator | [Details](https://docs.influxdata.com/influxdb/v1.7/administration/config/#coordinator) | {} |
+| config.retention | [Details](https://docs.influxdata.com/influxdb/v1.7/administration/config/#retention) | {} |
+| config.shard_precreation | [Details](https://docs.influxdata.com/influxdb/v1.7/administration/config/#shard-precreation) | {} |
+| config.monitor | [Details](https://docs.influxdata.com/influxdb/v1.7/administration/config/#monitor) | {} |
+| config.http | [Details](https://docs.influxdata.com/influxdb/v1.7/administration/config/#http) | {} |
+| config.logging | [Details](https://docs.influxdata.com/influxdb/v1.7/administration/config/#logging) | {} |
+| config.subscriber | [Details](https://docs.influxdata.com/influxdb/v1.7/administration/config/#subscriber) | {} |
+| config.graphite | [Details](https://docs.influxdata.com/influxdb/v1.7/administration/config/#graphite) | {} |
+| config.collectd | [Details](https://docs.influxdata.com/influxdb/v1.7/administration/config/#collectd) | {} |
+| config.opentsdb | [Details](https://docs.influxdata.com/influxdb/v1.7/administration/config/#opentsdb) | {} |
+| config.udp | [Details](https://docs.influxdata.com/influxdb/v1.7/administration/config/#udp) | {} |
+| config.continous_queries | [Details](https://docs.influxdata.com/influxdb/v1.7/administration/config/#continuous-queries) | {} |
+| config.tls | [Details](https://docs.influxdata.com/influxdb/v1.7/administration/config/#tls) | {} |
+| initScripts.enabled | Boolean flag to enable and disable initscripts. If the container finds any files with the extensions .sh or .iql inside of the /docker-entrypoint-initdb.d folder, it will execute them. The order they are executed in is determined by the shell. This is usually alphabetical order. | false |
+| initScripts.scripts | Init scripts | {} |
+| backup.enabled | Boolean flag to enable and disable backups. Currently, it backups the data on `azure` and `gcs`. | false |
+| backup.schedule | Cron time | `0 0 * * *`. It means create a backup everyday at `00:00`. |
+| backup.annotations | Annotations for backup | {} |
+
+
 ## Contributing
 
 We'd love to have you contribute! Please refer to our [contribution guidelines](CONTRIBUTING.md) for details.