charts/bitnami/osclass

Osclass

Osclass is a PHP script that allows you to quickly create and manage your own free classifieds site. Using this script, you can provide free advertising for items for sale, real estate, jobs, cars... Hundreds of free classified advertising sites are using Osclass.

TL;DR;

$ helm repo add bitnami https://charts.bitnami.com/bitnami
$ helm install my-release bitnami/osclass

Introduction

This chart bootstraps an Osclass deployment on a Kubernetes cluster using the Helm package manager.

It also packages the Bitnami MariaDB chart which is required for bootstrapping a MariaDB deployment for the database requirements of the Osclass application.

Bitnami charts can be used with Kubeapps for deployment and management of Helm Charts in clusters. This chart has been tested to work with NGINX Ingress, cert-manager, fluentd and Prometheus on top of the BKPR.

Prerequisites

• Kubernetes 1.12+
• Helm 2.12+ or Helm 3.0-beta3+
• PV provisioner support in the underlying infrastructure
• ReadWriteMany volumes for deployment scaling

Installing the Chart

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

$ helm install my-release bitnami/osclass

The command deploys Osclass on the Kubernetes cluster in the default configuration. The Parameters 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 delete my-release

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

Parameters

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

Parameter	Description	Default
global.imageRegistry	Global Docker image registry	nil
global.imagePullSecrets	Global Docker registry secret names as an array	[] (does not add image pull secrets to deployed pods)
global.storageClass	Global storage class for dynamic provisioning	nil
image.registry	Osclass image registry	docker.io
image.repository	Osclass Image name	bitnami/osclass
image.tag	Osclass Image tag	{TAG_NAME}
image.pullPolicy	Image pull policy	IfNotPresent
image.pullSecrets	Specify docker-registry secret names as an array	[] (does not add image pull secrets to deployed pods)
nameOverride	String to partially override osclass.fullname template with a string (will prepend the release name)	nil
fullnameOverride	String to fully override osclass.fullname template with a string	nil
osclassHost	Osclass host to create application URLs	nil
osclassLoadBalancerIP	loadBalancerIP for the Osclass Service	nil
osclassUsername	User of the application	user
osclassPassword	Application password	bitnami
osclassEmail	Admin email	user@example.com
osclassWebTitle	Application tittle	Sample Web Page
osclassPingEngines	Allow site to appear in search engines	1
osclassSaveStats	Send statistics and reports to Osclass	1
smtpHost	SMTP host	nil
smtpPort	SMTP port	nil
smtpUser	SMTP user	nil
smtpPassword	SMTP password	nil
smtpProtocol	SMTP protocol [ssl, tls]	nil
serviceType	Kubernetes Service type	LoadBalancer
resources	CPU/Memory resource requests/limits	Memory: 512Mi, CPU: 300m
persistence.enabled	Enable persistence using PVC	true
persistence.moodle.storageClass	PVC Storage Class for OSClass volume	nil (uses alpha storage class annotation)
persistence.moodle.accessMode	PVC Access Mode for OSClass volume	ReadWriteOnce
persistence.moodle.size	PVC Storage Request for OSClass volume	8Gi
allowEmptyPassword	Allow DB blank passwords	yes
externalDatabase.host	Host of the external database	nil
externalDatabase.port	Port of the external database	3306
externalDatabase.user	Existing username in the external db	bn_osclass
externalDatabase.password	Password for the above username	nil
externalDatabase.database	Name of the existing database	bitnami_osclass
ingress.enabled	Enable ingress controller resource	false
ingress.annotations	Ingress annotations	[]
ingress.certManager	Add annotations for cert-manager	false
ingress.hosts[0].name	Hostname to your osclass installation	osclass.local
ingress.hosts[0].path	Path within the url structure	/
ingress.hosts[0].tls	Utilize TLS backend in ingress	false
ingress.hosts[0].tlsHosts	Array of TLS hosts for ingress record (defaults to ingress.hosts[0].name if nil)	nil
ingress.hosts[0].tlsSecret	TLS Secret (certificates)	osclass.local-tls-secret
ingress.secrets[0].name	TLS Secret Name	nil
ingress.secrets[0].certificate	TLS Secret Certificate	nil
ingress.secrets[0].key	TLS Secret Key	nil
mariadb.enabled	Whether to use the MariaDB chart	true
mariadb.db.name	Database name to create	bitnami_osclass
mariadb.db.user	Database user to create	bn_osclass
mariadb.mariadbPassword	Password for the database	nil
mariadb.mariadbRootPassword	MariaDB admin password	nil
mariadb.persistence.enabled	Enable MariaDB persistence using PVC	true
mariadb.persistence.storageClass	PVC Storage Class for MariaDB volume	generic
mariadb.persistence.accessMode	PVC Access Mode for MariaDB volume	ReadWriteOnce
mariadb.persistence.size	PVC Storage Request for MariaDB volume	8Gi
podAnnotations	Pod annotations	{}
affinity	Map of node/pod affinities	{}
metrics.enabled	Start a side-car prometheus exporter	false
metrics.image.registry	Apache exporter image registry	docker.io
metrics.image.repository	Apache exporter image name	bitnami/apache-exporter
metrics.image.tag	Apache exporter image tag	{TAG_NAME}
metrics.image.pullPolicy	Image pull policy	IfNotPresent
metrics.image.pullSecrets	Specify docker-registry secret names as an array	[] (does not add image pull secrets to deployed pods)
metrics.podAnnotations	Additional annotations for Metrics exporter pod	{prometheus.io/scrape: "true", prometheus.io/port: "9117"}
metrics.resources	Exporter resource requests/limit	{}

The above parameters map to the env variables defined in bitnami/osclass. For more information please refer to the bitnami/osclass image documentation.

Note

:

For Osclass to function correctly, you should specify the osclassHost parameter to specify the FQDN (recommended) or the public IP address of the Osclass service.

Optionally, you can specify the osclassLoadBalancerIP parameter to assign a reserved IP address to the Osclass service of the chart. However please note that this feature is only available on a few cloud providers (f.e. GKE).

To reserve a public IP address on GKE:

$ gcloud compute addresses create osclass-public-ip

The reserved IP address can be associated to the Osclass service by specifying it as the value of the osclassLoadBalancerIP parameter while installing the chart.

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

$ helm install my-release \
  --set osclassUsername=admin,osclassPassword=password,mariadb.mariadbRootPassword=secretpassword \
    bitnami/osclass

The above command sets the Osclass administrator account username and password to admin and password respectively. Additionally, it sets the MariaDB root user password to secretpassword.

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 -f values.yaml bitnami/osclass

Tip

: You can use the default values.yaml

Configuration and installation details

Rolling VS Immutable tags

It is strongly recommended to use immutable tags in a production environment. This ensures your deployment does not change automatically if the same tag is updated with a different image.

Bitnami will release a new chart updating its containers if a new version of the main container, significant changes, or critical vulnerabilities exist.

Persistence

The Bitnami Osclass image stores the Osclass data and configurations at the /bitnami/osclass path of the container.

Persistent Volume Claims are used to keep the data across deployments. This is known to work in GCE, AWS, and minikube. See the Parameters section to configure the PVC or to disable persistence.

Upgrading

To 7.0.0

Helm performs a lookup for the object based on its group (apps), version (v1), and kind (Deployment). Also known as its GroupVersionKind, or GVK. Changing the GVK is considered a compatibility breaker from Kubernetes' point of view, so you cannot "upgrade" those objects to the new GVK in-place. Earlier versions of Helm 3 did not perform the lookup correctly which has since been fixed to match the spec.

In https://github.com/helm/charts/pull/17303 the apiVersion of the deployment resources was updated to apps/v1 in tune with the api's deprecated, resulting in compatibility breakage.

This major version signifies this change.

To 3.0.0

Backwards compatibility is not guaranteed unless you modify the labels used on the chart's deployments. Use the workaround below to upgrade from versions previous to 3.0.0. The following example assumes that the release name is osclass:

$ kubectl patch deployment osclass-osclass --type=json -p='[{"op": "remove", "path": "/spec/selector/matchLabels/chart"}]'
$ kubectl delete statefulset osclass-mariadb --cascade=false