<p dir="auto">I tried to upgrade my cluster through hack/dev-build-and-push.sh, and failed due to endless error messages:</p>
<p dir="auto">hack/../cluster/../cluster/../cluster/gce/../../cluster/common.sh: line 283: KUBE_TAR_URL: unbound variable<br>
Failure trying to curl release .sha1<br>
hack/../cluster/../cluster/../cluster/gce/../../cluster/common.sh: line 283: KUBE_TAR_URL: unbound variable<br>
Failure trying to curl release .sha1<br>
hack/../cluster/../cluster/../cluster/gce/../../cluster/common.sh: line 283: KUBE_TAR_URL: unbound variable<br>
Failure trying to curl release .sha1</p>
<p dir="auto">...</p>
<p dir="auto">I suspect we're going through an if/else clause where KUBE_TAR_URL isn't defined, and not defaulting it, though the function header seems to indicate it should be set in the callee.</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="/usr/local/google/home/beeps/goproj/src/k8s.io/kubernetes/hack/e2e-internal/../../cluster/../cluster/../cluster/gce/../../cluster/common.sh: line 283: KUBE_TAR_URL: unbound variable"><pre class="notranslate"><code class="notranslate">/usr/local/google/home/beeps/goproj/src/k8s.io/kubernetes/hack/e2e-internal/../../cluster/../cluster/../cluster/gce/../../cluster/common.sh: line 283: KUBE_TAR_URL: unbound variable
</code></pre></div>
<p dir="auto">@ihmccreery</p>