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HACKING.md

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The DNS Operator Hacking

Building

To build the operator, run:

$ make build

Developing

Prerequisites

Building Locally

Uninstall the existing operator and all its managed components:

$ hack/uninstall.sh

Build a new image and custom manifests:

$ REPO=docker.io/you/origin-cluster-dns-operator make release-local

Follow the instructions to install the operator, e.g.:

$ oc apply -f /tmp/manifests/path

Building Remotely on the Cluster

To build the operator on the remote cluster, first create a buildconfig on the cluster:

$ make buildconfig

The above command will create a buildconfig using the current branch and the URL for the default push remote. You can also specify an explicit branch or repository URL:

$ make buildconfig GIT_BRANCH=<branch> \
     GIT_URL=https://github.com/<username>/cluster-dns-operator.git

Example -

 GIT_BRANCH=NE-218  GIT_URL=https://github.com/miheer/cluster-dns-operator make buildconfig

Note: If a buildconfig already exists from an earlier make buildconfig command, make buildconfig will update the existing buildconfig.

Next, start a build from this buildconfig:

$ make cluster-build

Alternatively, if you want to see the logs during the build, specify the V flag:

$ make cluster-build V=1

Use the DEPLOY flag to start a build and then patch the operator to use the newly built image:

$ make cluster-build DEPLOY=1

Example -

 make cluster-build DEPLOY=1 V=1

Tests

Run unit tests:

$ make test

Assuming KUBECONFIG is set, run end-to-end tests:

$ make test-e2e