[camel-k] 02/13: chore(replicas): Use JSON merge patch to update deployment replicas

[astefanutti]

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astefanutti pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/camel-k.git

commit 940746c0ed94f6a6caa52892d8df7b5a5fe1e656
Author: Antonin Stefanutti <anto...@stefanutti.fr>
AuthorDate: Fri Nov 22 14:03:17 2019 +0100

    chore(replicas): Use JSON merge patch to update deployment replicas
---
 pkg/trait/deployment.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/pkg/trait/deployment.go b/pkg/trait/deployment.go
index daf3f09..29f8b52 100644
--- a/pkg/trait/deployment.go
+++ b/pkg/trait/deployment.go
@@ -137,8 +137,9 @@ func (t *deploymentTrait) Apply(e *Environment) error {
                // back to that default value by the Deployment controller.
                if replicas == nil && *deployment.Spec.Replicas != 1 ||
                        replicas != nil && *deployment.Spec.Replicas != 
*replicas {
-                       deployment.Spec.Replicas = replicas
-                       err := t.client.Update(context.TODO(), deployment)
+                       target := deployment.DeepCopy()
+                       target.Spec.Replicas = replicas
+                       err := t.client.Patch(context.TODO(), target, 
client.MergeFrom(deployment))
                        if err != nil {
                                return err
                        }