Installing with Kustomize

Kustomize provides a declarative approach to the configuration customization of a Camel-K installation. Kustomize works either with a standalone executable or as a built-in to kubectl.

File Location

The install directory provides the configuration files for use with Kustomize. The following sub-directories are named to describe the purpose of their respective kustomization:

  • setup-cluster: install the cluster-level resources, inc. the ClusterResourceDefinitions

  • setup: install the roles and permissions required by the camel-k operator into the current namespace

  • operator: install the camel-k operator into the current namespace of a cluster

  • platform: install an instance of the camel-k integration-platform into the current namespace of a cluster

  • example: install an example integration into the current namespace of a cluster

Using kubectl

The kustomization resources can be applied directly to a cluster using kubectl, eg. kubectl -k setup-cluster

Due to its declarative nature, it is expected that the configuration files would be edited to suit the custom implementation. For example, when creating an integration-platform:

  • kustomization.yaml references configuration in pkg/resources/config/samples/patch-integration-platform.yaml

  • Edit this file according to installation requirements

  • Apply the resources by executing kubectl -k platform

Using the Makefile

For convenience, a Makefile is included in the install directory, providing a frontend interface for the most common installation procedures. By incorporating environment variables, it is able to update some of the configuration automatically before applying it to the cluster using kubectl.

The environment variable DRY_RUN can be used with a value of true to only display the prepared resources, allowing the user to check the prospective installation.

A recent version of make is a pre-requisite and a familiarity with using Makefiles would be beneficial.

The Makefile rules are described by executing make or make help, eg.

Usage: make <PARAM1=val1 PARAM2=val2> <target>

Available targets are:

setup-cluster   Setup the cluster installation by installing crds and cluster roles.

                Cluster-admin privileges are required.

                NAMESPACE: Sets the namespace for the resources
                PLATFORM:  Override the discovered platform, if required
                DRY_RUN:   If 'true', prints the resources to be applied instead of applying them


setup           Setup the installation by installing roles and granting privileges for the installing operator.

                Calls setup-cluster
                Cluster-admin privileges are required.

                NAMESPACE: Sets the namespace for the resources
                GLOBAL:    Converts all roles & bindings to cluster-level [true|false]
                PLATFORM:  Override the discovered platform, if required
                DRY_RUN:     If 'true', prints the resources to be applied instead of applying them

operator        Install the operator deployment and related resources

                Cluster-admin privileges are required.

                NAMESPACE:          Set the namespace to install the operator into
                PLATFORM:           Override the discovered platform, if required
                GLOBAL:             Sets the operator to watch all namespaces for custom resources [true|false]
                CUSTOM_IMAGE:       Set a custom operator image name
                CUSTOM_VERSION:     Set a custom operator image version/tag
                ALWAYS_PULL_IMAGES: Sets whether to always pull the operator image [true|false]
                MONITORING:         Adds the prometheus monitoring resources
                MONITORING_PORT:    Set a custom monitoring port
                HEALTH_PORT:        Set a custom health port
                LOGGING_LEVEL:      Set the level of logging [info|debug]
                DRY_RUN:            Prints the resources to be applied instead of applying them


platform        Install the integration platform

                Cluster-admin privileges are required.

                NAMESPACE: Set the namespace to install the operator into
                PLATFORM:  Override the discovered platform, if required
                DRY_RUN:   Prints the resources to be applied instead of applying them [true,false]


example         Installs the example integration

                NAMESPACE: Set the namespace to install the example into
                PLATFORM:  Override the discovered platform, if required
                DRY_RUN:   Prints the resources to be applied instead of applying them [true, false]
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