Fetch oc tools from different URL

[stbenjam]

The current URL we are using for oc was removed, so we need to get the
tools from another location. This also removes the dependency on
calculating the version based on the pullspec, meaning this code works
for CI builds too.

We only use these tools to bootstrap getting the ones from the release
payload, so the actual version isn't super important as we just
overwrite it anyway a little bit later on.

[hardys]

/approve

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[stbenjam]

Tested locally:

+(./01_install_requirements.sh:48): main(): curl --retry 5 https://mirror.openshift.com/pub/openshift-v4/clients/ocp/stable/openshift-client-linux.tar.gz
+(./01_install_requirements.sh:48): main(): sudo tar -U -C /usr/local/bin -xzf -
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 23.1M  100 23.1M    0     0  14.6M      0  0:00:01  0:00:01 --:--:-- 14.6M
+(./01_install_requirements.sh:49): main(): sudo chmod +x /usr/local/bin/oc
+(./01_install_requirements.sh:50): main(): oc version --client -o json
{
  "clientVersion": {
    "major": "",
    "minor": "",
    "gitVersion": "openshift-clients-4.6.0-202006250705.p0-164-gffd683609",
    "gitCommit": "ffd68360997854d442e2ad2f40b099f5198b6471",
    "gitTreeState": "clean",
    "buildDate": "2020-11-04T21:37:21Z",
    "goVersion": "go1.15.0",
    "compiler": "gc",
    "platform": "linux/amd64"
  },
  "releaseClientVersion": "4.6.4"
}
+(./01_install_requirements.sh:1): main(): removetmp
+(utils.sh:509): removetmp(): '[' -n ' /tmp/test-token--AwqtwieOAC' ']'
+(utils.sh:509): removetmp(): rm -rf /tmp/test-token--AwqtwieOAC

CI will fail this, as we need this PR and the release repo one. Overriding CI (discussed on Slack)

/override ci/prow/e2e-metal-ipi
/override ci/prow/e2e-metal-ipi-ovn-ipv6

[openshift-ci-robot]

@stbenjam: Overrode contexts on behalf of stbenjam: ci/prow/e2e-metal-ipi, ci/prow/e2e-metal-ipi-ovn-ipv6

Details

In response to this:

Tested locally:

+(./01_install_requirements.sh:48): main(): curl --retry 5 https://mirror.openshift.com/pub/openshift-v4/clients/ocp/stable/openshift-client-linux.tar.gz
+(./01_install_requirements.sh:48): main(): sudo tar -U -C /usr/local/bin -xzf -
 % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                Dload  Upload   Total   Spent    Left  Speed
100 23.1M  100 23.1M    0     0  14.6M      0  0:00:01  0:00:01 --:--:-- 14.6M
+(./01_install_requirements.sh:49): main(): sudo chmod +x /usr/local/bin/oc
+(./01_install_requirements.sh:50): main(): oc version --client -o json
{
 "clientVersion": {
   "major": "",
   "minor": "",
   "gitVersion": "openshift-clients-4.6.0-202006250705.p0-164-gffd683609",
   "gitCommit": "ffd68360997854d442e2ad2f40b099f5198b6471",
   "gitTreeState": "clean",
   "buildDate": "2020-11-04T21:37:21Z",
   "goVersion": "go1.15.0",
   "compiler": "gc",
   "platform": "linux/amd64"
 },
 "releaseClientVersion": "4.6.4"
}
+(./01_install_requirements.sh:1): main(): removetmp
+(utils.sh:509): removetmp(): '[' -n ' /tmp/test-token--AwqtwieOAC' ']'
+(utils.sh:509): removetmp(): rm -rf /tmp/test-token--AwqtwieOAC

CI will fail this, as we need this PR and the release repo one. Overriding CI (discussed on Slack)

/override ci/prow/e2e-metal-ipi
/override ci/prow/e2e-metal-ipi-ovn-ipv6

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[stbenjam]

/refresh