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Preparing a cloud image
Leopold Talirz edited this page May 20, 2020
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- Start with a disk that is large enough to build the image - e.g. 15GB
- On GCP, a 10GB image was not large enough to build QM 20.3.1 (it worked after removing temporary files)
- After cleaning, QM 20.3.1 occupied 6.1GB disk space on GCP; i.e. a default size of 15GB is probably also fine for new users (but GCP allows to change the disk size when creating a VM from the image)
- Create new SSH keypair. Edit the user@server bit at the end of the public key to user "ubuntu" (GCP detects this user and adds the SSH public key for this user in the VM)
- Create new VM
- add public key
- provision via ansible (note: it seems the IP does not change even if you stop the VM and start it again)
- remove SSH key added by ansible (or perhaps change ansible roles so that it no longer does this...)
- Create "Image"
- Note: GCP distinguishes between "Machine images" (private) and "Images" (can be public). You want the second option.
- put family "quantum-mobile"
- Image pricing (for us to host it): 8.5c/GB/month (GCP)
- Disk pricing (for users): 4c/GB/month (GCP)