docker-machine/minikube/minishift driver plugin for xhyve/hyperkit (native macOS hypervisor.framework)
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Boot2Docker ISO file always downloaded #197
Open
ggrussenmeyer opened 6 years ago
Symptom
Whenever a new machine is created, the Boot2Docker ISO is downloaded, even the newest one has been cached (cf. https://github.com/docker/machine/issues/4058).
Root cause
Only the 3 digits of the version number are considered when extracted from the ISO: https://github.com/zchee/docker-machine-driver-xhyve/blob/a2060c0729fc92f98265d85bdaed6dd88562bf15/b2d/b2d.go#L219 while the actual (and encoded) version number may be suffixed (e.g. with "-ce" in
v17.07.0-ce
ISO file version). Thus for thev17.07.0-ce
ISO file, the version is parsed as17.07.0
while the advertised one (in https://api.github.com/repos/boot2docker/boot2docker/releases/latest) is17.07.0-ce
, hence a mismatch and hence a download.It is weird that the
docker-machine
source code implementation for that extraction, which differs, is broken as well.