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35 lines
1.5 KiB
Markdown
35 lines
1.5 KiB
Markdown
---
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title: Implementing Content Trust
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weight: 55
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---
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{{< note >}}
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Notary is an optional component, please make sure you have already installed it in your Harbor instance before you go through this section.
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{{< /note >}}
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If you want to enable content trust to ensure that images are signed, please set two environment variables in the command line before pushing or pulling any image:
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```sh
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export DOCKER_CONTENT_TRUST=1
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export DOCKER_CONTENT_TRUST_SERVER=https://10.117.169.182:4443
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```
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If you push the image for the first time, You will be asked to enter the root key passphrase. This will be needed every time you push a new image while the `DOCKER_CONTENT_TRUST` flag is set.
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The root key is generated at: `/root/.docker/trust/private/root_keys`
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You will also be asked to enter a new passphrase for the image. This is generated at `/root/.docker/trust/private/tuf_keys/[registry name] /[imagepath]`.
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If you are using a self-signed cert, make sure to copy the CA cert into `/etc/docker/certs.d/10.117.169.182` and `$HOME/.docker/tls/10.117.169.182:4443/`. When an image is signed, it is indicated in the Web UI.
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A signed image will have a checkbox next to it, otherwise an X is displayed instead.
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If you want to remove a tag signature from harbor, you can use 'notary remove' command:
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```sh
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notary remove -p 10.117.169.182/libary/alpine latest
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```
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{{< note >}}
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Replace "10.117.169.182" with the IP address or domain name of your Harbor node. In order to use content trust, HTTPS must be enabled in Harbor.
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{{< /note >}}
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