GPUs and cluster support

0.3.0

• Fixed broken passing of zone and project arguments in gce_vm, gce_vm_template, gce_get_external_ip, and gce_set_metadata.
• remove gce_auth() to favour auth with JSON key (#79)
• Fix project-id error if numbers in project (#72)
• Block users using "rstudio" as a login name
• Remove defunct example from gce_schedule_docker
• Support GPU images for Tensorflow, keras etc. (#101) via gce_vm_gpu() and gce_vm(template = "rstudio-gpu") (#101)
• Support common instance metadata by supply gce_set_metadata(instance = "project-wide")
• Support minCpuPlatform in instance creation and via gce_set_mincpuplatform() (#112)
• Add ability to specify a startup-script in gce_vm_container()
• Switch RStudio templates to use startup-scripts and metadata
• Switch to applying a nginx proxy service to deal with port routing for templates
• Add gce_startup_logs() to track whats going on when launching an instance
• Vectorise gce_vm_delete, gce_vm_stop, gce_vm_start and gce_vm_reset functions so you can pass in a list of instances
• Add gce_vm_cluster() to make it easier to create clusters for future

Bug fixes and workflow improvements

Changes

• Update website
• Bug fixes
• Add R-Datalab Dockerfile example
• Let Rstudio users be added with staff rights so they can install packages etc.
• Add ability to specify disk size when creating a VM (#38) - thanks @jburos
• Add firewall functions (#34)
• Add global operation class
• Add open_webports argument to gce_vm that will open web ports 80 and 443 if necessary
• Add GPU functions
• Migrate to use system2 instead of system for cross-platform SSH (#35)
• gce_shiny_addapp is now much more useful
• Add gce_schedule_docker and gce_vm_scheduler for easy Dockerfile scheduling
• Add gce_vm_logs to quickly browse to an instance logs online
• Fix custom machine types creation (#63) - thanks @Blaza
• Set environment vars on VMs from metadata via gce_metadata_env

First release CRAN 0.1.0

• Start, stop and restart VMs
• Create instances using cloudinit
• Browser based SSH
• SSH from R
• Metadata
• Docker
• Google container registry
• VM templates
• Future asynch cluster computing