This will give you an overview. Some of the steps below need some timing to make ressources available to other dependent deployments. Keeping an eye on the dashboard is a great way to check that.

Follow the installation instruction below. If all the pods and services have settled and everything looks green in your minikube dashboard, expose the nitro-web service on your host system with:

$ minikube service nitro-web --namespace=staging

Digital Ocean

First, install kubernetes dashboard:

$ kubectl apply -f dashboard/

Proxy localhost to the remote kubernetes dashboard:

kubectl proxy

Get your token on the command line:

$ kubectl -n kube-system describe secret $(kubectl -n kube-system get secret | grep admin-user | awk '{print $1}')

It should print something like:

Name:         admin-user-token-6gl6l
Namespace:    kube-system
Labels:       <none>
Annotations:  kubernetes.io/service-account.name=admin-user
              kubernetes.io/service-account.uid=b16afba9-dfec-11e7-bbb9-901b0e532516

Type:  kubernetes.io/service-account-token

Data
====
ca.crt:     1025 bytes
namespace:  11 bytes
token:      eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJrdWJlcm5ldGVzL3NlcnZpY2VhY2NvdW50Iiwia3ViZXJuZXRlcy5pby9zZXJ2aWNlYWNjb3VudC9uYW1lc3BhY2UiOiJrdWJlLXN5c3RlbSIsImt1YmVybmV0ZXMuaW8vc2VydmljZWFjY291bnQvc2VjcmV0Lm5hbWUiOiJhZG1pbi11c2VyLXRva2VuLTZnbDZsIiwia3ViZXJuZXRlcy5pby9zZXJ2aWNlYWNjb3VudC9zZXJ2aWNlLWFjY291bnQubmFtZSI6ImFkbWluLXVzZXIiLCJrdWJlcm5ldGVzLmlvL3NlcnZpY2VhY2NvdW50L3NlcnZpY2UtYWNjb3VudC51aWQiOiJiMTZhZmJhOS1kZmVjLTExZTctYmJiOS05MDFiMGU1MzI1MTYiLCJzdWIiOiJzeXN0ZW06c2VydmljZWFjY291bnQ6a3ViZS1zeXN0ZW06YWRtaW4tdXNlciJ9.M70CU3lbu3PP4OjhFms8PVL5pQKj-jj4RNSLA4YmQfTXpPUuxqXjiTf094_Rzr0fgN_IVX6gC4fiNUL5ynx9KU-lkPfk0HnX8scxfJNzypL039mpGt0bbe1IXKSIRaq_9VW59Xz-yBUhycYcKPO9RM2Qa1Ax29nqNVko4vLn1_1wPqJ6XSq3GYI8anTzV8Fku4jasUwjrws6Cn6_sPEGmL54sq5R4Z5afUtv-mItTmqZZdxnkRqcJLlg2Y8WbCPogErbsaCDJoABQ7ppaqHetwfM_0yMun6ABOQbIwwl8pspJhpplKwyo700OSpvTT9zlBsu-b35lzXGBRHzv5g_RA

Grab the token and paste it into the login screen at http://localhost:8001/api/v1/namespaces/kube-system/services/https:kubernetes-dashboard:/proxy/

Installation with kubernetes

You have to do some prerequisites e.g. change some secrets according to your own setup.

Setup config maps

$ cp configmap-db-migration-worker.template.yaml staging/configmap-db-migration-worker.yaml

Edit all variables according to the setup of the remote legacy server.

Setup secrets and deploy themn

$ cp secrets.template.yaml staging/secrets.yaml

Change all secrets as needed.

If you want to edit secrets, you have to base64 encode them. See kubernetes documentation.

# example how to base64 a string:
$ echo -n 'admin' | base64
YWRtaW4=

Those secrets get base64 decoded in a kubernetes pod.

Create a namespace locally

$ kubectl create -f namespace-staging.yaml

Switch to the namespace staging in your kubernetes dashboard.

Run the configuration

$ kubectl apply -f staging/

This can take a while because kubernetes will download the docker images. Sit back and relax and have a look into your kubernetes dashboard. Wait until all pods turn green and they don't show a warning Waiting: ContainerCreating anymore.

Provision db-migration-worker

Copy your private ssh key and the .known-hosts file of your remote legacy server.


# check the corresponding db-migration-worker pod
$ kubectl --namespace=staging get pods
# change <POD_ID> below
$ kubectl cp path/to/your/ssh/keys/.ssh staging/nitro-db-migration-worker-<POD_ID>:/root/

Run the migration:

# change <POD_IDs> below
$ kubectl --namespace=staging exec -it nitro-db-migration-worker-<POD_ID> ./import.sh
$ kubectl --namespace=staging exec -it nitro-neo4j-<POD_ID>               ./import/import.sh

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