Task #7649
Updated by Nico Schottelius about 4 years ago
* User wants to have possibility to roll back in time h2. Implementation * We can use ceph snapshots * We might need/want to signal qemu before taking the snapshot ** how? ** Difference between uncloud and opennebula? h2. User facing API / CLI * User can set a maximum amount of snapshots (?) ** Useful for auto rotate * User can configure a snapshot * User can list all snapshots * User can delete snapshots h3. Ideas for an CLI <pre> ungleich-cli --username xx --password yy list-vms ungleich-cli --username xx --password yy vm-snaphot-create <vmid> ungleich-cli --username xx --password yy vm-snaphot-create <vmid> </pre> h2. Billing Regular pricing - it's the same usage * SSD storage 10GB/month@3.5CHF * HDD storage 100GB/month@1.5CHF Billed per gigabyte per second (?) basis (?) h3. Per second calculation: SSD <pre> >>> (3.5/10.)/30/24/3600 1.3503086419753083e-07 >>> per_gb_per_second=((3.5/10.)/30/24/3600) >>> 1.36*10**(-7) * 10 * 86400 * 30 3.5251200000000003 >>> "{:0.9f}".format(1.36*10**(-7)) '0.000000136' >>> 1.4*10**(-7) * 10 * 86400 * 30 3.628799999999999 </pre> * Could offer it for 0.00000014 CHF per GB per second * Monthly would stay the same * User wants to have possibility to roll back in time h2. Implementation * We can use ceph snapshots * We might need/want to signal qemu before taking the snapshot ** how? ** Difference between uncloud and opennebula? h2. User facing API / CLI * User can set a maximum amount of snapshots (?) ** Useful for auto rotate * User can configure a snapshot * User can list all snapshots * User can delete snapshots h3. Ideas for an CLI <pre> ungleich-cli --username xx --password yy list-vms ungleich-cli --username xx --password yy vm-snaphot-create <vmid> ungleich-cli --username xx --password yy vm-snaphot-create <vmid> h2. Billing Regular pricing - it's the same usage * SSD storage 10GB/month@3.5CHF * HDD storage 100GB/month@1.5CHF Billed per gigabyte per second (?) basis (?) h3. Per second calculation: SSD <pre> >>> (3.5/10.)/30/24/3600 1.3503086419753083e-07 >>> per_gb_per_second=((3.5/10.)/30/24/3600) >>> 1.36*10**(-7) * 10 * 86400 * 30 3.5251200000000003 >>> "{:0.9f}".format(1.36*10**(-7)) '0.000000136' >>> 1.4*10**(-7) * 10 * 86400 * 30 3.628799999999999 </pre> * Could offer it for 0.00000014 CHF per GB per second * Monthly would stay the same h3. Per second calculation: HDD <pre> >>> per_gb_per_second=((1.5/100.)/30/24/3600) >>> per_gb_per_second 5.787037037037037e-09 >>> >>> "{:0.10f}".format(per_gb_per_second) '0.0000000058' >>> 0.0000000058* 100 * 86400 * 30 1.5033599999999998 </pre> * Could offer for 0.0000000058 per gb per second * However units will be smaller than 100gb packages h2. Testing * Using my private VM * Locating the disk image <pre> [10:43:59] red2.place5:~# rbd -p one ls | grep 10761 one-60-10761-0 [10:44:14] red2.place5:~# </pre> * Does not show all attached disks -> need to go via opennebula api h3. Per second calculation: HDD <pre> >>> per_gb_per_second=((1.5/100.)/30/24/3600) >>> per_gb_per_second 5.787037037037037e-09 >>> >>> "{:0.10f}".format(per_gb_per_second) '0.0000000058' </pre> h2. Testing * Using my private VM * Locating the disk image <pre> [10:43:59] red2.place5:~# rbd -p one ls | grep 10761 one-60-10761-0 [10:44:14] red2.place5:~# </pre> * Does not show all attached disks -> need to go via opennebula api