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Mark Bishop
2018-11-26 12:46:40 -07:00
parent 98978c4241
commit c82bf82a3d
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content/rancher/v2.x/en/installation/air-gap-high-availability/prepare-private-registry/_index.md
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title: "2. Prepare Private Registry" title: "2. Prepare Private Registry"
weight: 200 weight: 200
aliases: aliases:
- /rancher/v2.x/en/installation/air-gap-high-availability/prepare-private-registry/ - /rancher/v2.x/en/installation/air-gap-installation/prepare-private-reg/
--- ---
## A. Collect Images ## A. Collect Images
Start by collecting all the images needed to install Rancher in an air gap environment. You'll collect images from your chosen Rancher release, RKE, and (if you're using a self-signed TLS certificate) Cert-Manager. Start by collecting all the images needed to install Rancher in an air gap environment. You'll collect images from your chosen Rancher release, RKE, and (if you're using a self-signed TLS certificate) Cert-Manager.
1. Using a computer with internet access, browse to our [releases page](https://github.com/rancher/rancher/releases) and find the Rancher v2.1.x release that you want to install. Don't download releases marked `rc` or `Pre-release`, as they are not stable for production environments. 1. Using a computer with internet access, browse to our [releases page](https://github.com/rancher/rancher/releases) and find the Rancher v2.1.x release that you want to install. Don't download releases marked `rc` or `Pre-release`, as they are not stable for production environments.
@@ -24,28 +24,28 @@ Start by collecting all the images needed to install Rancher in an air gap envir
1. Make `rancher-save-images.sh` an executable. 1. Make `rancher-save-images.sh` an executable.
``` ```
chmod +x rancher-save-images.sh chmod +x rancher-save-images.sh
``` ```
1. From the directory that contains the RKE binary, add RKE's images to `rancher-images.txt`, which is a list of all the files needed to install Rancher.
1. From the directory that contains the RKE binary, add RKE's images to `rancher-images.txt`, which is a list of all the files needed to install Rancher.
``` ```
rke config --system-images >> ./rancher-images.txt rke config --system-images >> ./rancher-images.txt
``` ```
1. **Default Rancher Generated Self-Signed Certificate Users Only:** If you elect to use the Rancher default self-signed TLS certificates, you must add the [`cert-manager`](https://github.com/helm/charts/tree/master/stable/cert-manager) image to `rancher-images.txt` as well. You may skip to [B. Publish Images](#b-publish-images ) if you are using you using your own certificates. 1. **Default Rancher Generated Self-Signed Certificate Users Only:** If you elect to use the Rancher default self-signed TLS certificates, you must add the [`cert-manager`](https://github.com/helm/charts/tree/master/stable/cert-manager) image to `rancher-images.txt` as well. You may skip to [B. Publish Images](#b-publish-images ) if you are using you using your own certificates.
1. Fetch the latest `cert-manager` Helm chart and parse the template for image details. 1. Fetch the latest `cert-manager` Helm chart and parse the template for image details.
```plain ```plain
helm fetch stable/cert-manager helm fetch stable/cert-manager
helm template ./cert-manager-<version>.tgz | grep -oP '(?<=image: ").*(?=")' >> ./rancher-images.txt helm template ./cert-manager-<version>.tgz | grep -oP '(?<=image: ").*(?=")' >> ./rancher-images.txt
``` ```
2. Sort and unique the images list to remove any overlap between the sources. 2. Sort and unique the images list to remove any overlap between the sources.
```plain ```plain
sort -u rancher-images.txt -o rancher-images.txt sort -u rancher-images.txt -o rancher-images.txt
``` ```
@@ -54,8 +54,8 @@ Start by collecting all the images needed to install Rancher in an air gap envir
```plain ```plain
./rancher-save-images.sh --image-list ./rancher-images.txt ./rancher-save-images.sh --image-list ./rancher-images.txt
``` ```
**Step Result:** Docker begins pulling the images used for an air gap install. Be patient. This process takes a few minutes. When the process completes, your current directory will output a tarball named `rancher-images.tar.gz`. Check that the output is in the directory. **Step Result:** Docker begins pulling the images used for an air gap install. Be patient. This process takes a few minutes. When the process completes, your current directory will output a tarball named `rancher-images.tar.gz`. Check that the output is in the directory.
## B. Publish Images ## B. Publish Images