Development environments for charming

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Manual setup

See Juju | Development Setup

LXD profile

See gist by @rbarry.

Locally, in a VM

Multipass has the charm-dev blueprint which will create a VM with a juju controller ready to go:

multipass launch charm-dev

Alternatively, you could use version-pinned cloud-init scripts, for example:

multipass launch 
  --cloud-init https://raw.githubusercontent.com/Abuelodelanada/charm-dev-utils/main/cloud-init/charm-dev-juju-3.0.yaml

With multipass it is very easy to create disposable instances of different sizes. For example, to mimic the default github runner,

multipass launch 
  --cloud-init https://raw.githubusercontent.com/Abuelodelanada/charm-dev-utils/main/cloud-init/charm-dev-juju-3.0.yaml \
  --name charm-dev-2cpu-7g \
  --mem 7G \
  --cpus 2 \
  --disk 50G \
  --mount ~/code:/home/ubuntu/code

On GCP, using terraform

See https://github.com/sed-i/tf-gcp/tree/main/charm-dev

terraform apply -var-file="charm-dev.tfvars"
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