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Expose offline install overrides in inventory (#6728)

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* Expose offline install overrides in inventory

* Remove not recommended warning
This commit is contained in:
Florent Monbillard
2020-09-22 10:14:48 -04:00
committed by GitHub
parent 1e79dcfcaa
commit 68118c2653
3 changed files with 86 additions and 4 deletions
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16
docs/offline-environment.md
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@@ -10,10 +10,11 @@ In case your servers don't have access to internet (for example when deploying o
## Configure Inventory
Once all artifacts are accessible from your internal network, **adjust** the following variables in your inventory to match your environment:
Once all artifacts are accessible from your internal network, **adjust** the following variables in [your inventory](/inventory/sample/group_vars/k8s-cluster/offline.yml) to match your environment:
```yaml
# Registry overrides
kube_image_repo: "{{ registry_host }}"
gcr_image_repo: "{{ registry_host }}"
docker_image_repo: "{{ registry_host }}"
quay_image_repo: "{{ registry_host }}"
@@ -76,6 +77,13 @@ If you use the settings like the one above, you'll need to define in your invent
## Install Kubespray Python Packages
### Recommended way: Kubespray Container Image
The easiest way is to use [kubespray container image](quay.io/kubespray/kubespray) as all the required packages are baked in the image.
Just copy the container image in your private container image registry and you are all set!
### Manual installation
Look at the `requirements.txt` file and check if your OS provides all packages out-of-the-box (Using the OS package manager). For those missing, you need to either use a proxy that has Internet access (typically from a DMZ) or setup a PyPi server in your network that will host these packages.
If you're using a HTTP(S) proxy to download your python packages:
@@ -102,4 +110,10 @@ Once all artifacts are in place and your inventory properly set up, you can run
ansible-playbook -i inventory/my_airgap_cluster/hosts.yaml -b cluster.yml
```
If you use [Kubespray Container Image](#recommended-way:-kubespray-container-image), you can mount your inventory inside the container:
```bash
docker run --rm -it -v path_to_inventory/my_airgap_cluster:inventory/my_airgap_cluster myprivateregisry.com/kubespray/kubespray:v2.14.0 ansible-playbook -i inventory/my_airgap_cluster/hosts.yaml -b cluster.yml
```
## Please Note: Offline installation doesn't support CRI-O container runtime at the moment (see [this issue](https://github.com/kubernetes-sigs/kubespray/issues/6233))