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November 7, 2018 10:58
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POC: Run RHCOS via xhyve on OSX with ignition
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| # These have to be extracted from the qcow2 image | |
| # TODO: Provide these via docker image? | |
| KERNEL="vmlinuz-3.10.0-862.14.4.el7.x86_64" | |
| INITRD="initramfs-3.10.0-862.14.4.el7.x86_64.img" | |
| # This is where the magic happens | |
| # | |
| # To change the ignition (node type), you can use 'bootstrap', 'master' or 'worker' | |
| # coreos.config.url=http://192.168.0.168:8080/bootstrap.ign | |
| # | |
| # You can generate the .ign files using: openshift-install create ignition-configs --dir=/tmp/cluster-ignition | |
| # Then you can run simple HTTP server to serve them: | |
| # $ cd /tmp/cluster-ignition && python -m SimpleHTTPServer 8080 | |
| # | |
| # NOTE: Change the IP address to your Mac IP address? | |
| # | |
| # This is needed to run ignition on first boot to fetch the .ign files: | |
| # coreos.first_boot=detected | |
| # | |
| CMDLINE="earlyprintk=serial no_timer_check console=ttyS0 acpi=off root=/dev/vda1 root=UUID=75616629-8d7a-4a1d-93bc-47af28547d57 net.ifnames=0 biosdevname=0 rd.neednet=1 ip=eth0:dhcp ostree=/ostree/boot.0/rhcos/a381c1c06a830fa21f4ca0566064f141d5afdb11f2b94c93cef7845e37984238/0 rw coreos.config.url=http://192.168.0.168:8080/bootstrap.ign coreos.first_boot=detected" | |
| # To get qcow support you need hyperkit from Docker that has some experimental patches. | |
| # However, running bootkube on this setup will likely give you kernel panic, so I recommend to convert | |
| # the qcow to 'raw' format and use the official latest 'xhyve' binary? | |
| IMG_HDD="-s 2,virtio-blk,file:///Users/mfojtik/test-installer/rhcos-qemu.qcow2,format=qcow" | |
| # UUID makes the DHCP server give this VM the same IP address. If you run multiple VM's you probably want to | |
| # adjust this and store somewhere? | |
| UUID="-U 8e7af180-c54d-4aa2-9bef-59d94a1ac572" | |
| # VM config, nothing interesting here | |
| MEM="-m 4G" | |
| NET="-s 3:0,virtio-net,en0" | |
| PCI_DEV="-s 0:0,hostbridge -s 31,lpc" | |
| LPC_DEV="-l com1,stdio" | |
| ACPI="-A" | |
| # TODO: Use xhyve instead of hyperkit unless we want to deal with weird kernel panics ;) | |
| # | |
| sudo hyperkit $UUID $ACPI $MEM $PCI_DEV $LPC_DEV $NET $IMG_CD $IMG_HDD -f kexec,$KERNEL,$INITRD,"$CMDLINE" |
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https://gist.github.com/praveenkumar/17e481780ba3506d949346d124214827 Here is the detail about how to get those
vmlinuzandinitrdfiles.