ops-registry-migration's Introduction

OPS python script - Registry Migration (v2 to v2)

This is a python script (python v3.8) that will migrate a registry to another registry (today only v2 to v2).

Comands to launch

git clone https://github.com/motoreagattoimburrato/ops-registry-migration.git
cd ops-registry-migration
# change vars -> see paragraphs below
chmod a+x main.py
python3 main.py

Requirements

Before start, you need to install these python(3) modules:

docker==5.0.2
requests==2.26.0
jsonref==0.2
jsonschema==3.2.0
simplejson==3.16.0

You can do it using the following comand:

pip3 install --requirement ./requirements.txt

Before the run

Before run main.py, change the following variables with those most appropriate for you case.

### Configuration vars
# old registry name
old_registry = "localhost:5001"
# new registry name
new_registry = "localhost:5002"
# username old registry (optional)
#old_user = "changeme"
# password old registry (optional)
#old_passwd = "changeme"
# username new registry (optional)
#new_user = "changeme"
# password new registry (optional)
#new_passwd = "changeme"

Testing the script

I made a bash script that can create two type v2 docker registry to test this script (needs SuperUser).

chmod a+x ./scripts/create_registry_v2.sh ; ./scripts/create_registry_v2.sh

To Do list

check if docker official registry (is necessary email in login) -> client.login(username=user, password=passwd, email=EMAIL, registry='https://index.docker.io/v1/')
check if registry is v1 type and create functions
improve logging
check and use if registry images needs token/tls_cert/credentials (GET)
create CI and QA check

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