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28 lines
1.4 KiB
Plaintext
28 lines
1.4 KiB
Plaintext
Nomad uses CNI plugins to configure network namespaces when using the `bridge`
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network mode. You must install the CNI plugins on all Linux Nomad client nodes
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that use network namespaces. Refer to the [CNI Plugins external
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guide](https://www.cni.dev/plugins/current/) for details on individual plugins.
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The following series of commands determines your operating system architecture,
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downloads the [CNI 1.6.2
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release](https://github.com/containernetworking/plugins/releases/tag/v1.6.2),
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and then extracts the CNI plugin binaries into the `/opt/cni/bin` directory.
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Update the `CNI_PLUGIN_VERSION` value to use a different release version.
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```shell-session
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$ export ARCH_CNI=$( [ $(uname -m) = aarch64 ] && echo arm64 || echo amd64)
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$ export CNI_PLUGIN_VERSION=v1.6.2
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$ curl -L -o cni-plugins.tgz "https://github.com/containernetworking/plugins/releases/download/${CNI_PLUGIN_VERSION}/cni-plugins-linux-${ARCH_CNI}-${CNI_PLUGIN_VERSION}".tgz && \
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sudo mkdir -p /opt/cni/bin && \
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sudo tar -C /opt/cni/bin -xzf cni-plugins.tgz
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```
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Your Linux distribution's package manager may provide the CNI reference plugins
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but we recommend installing the most recent stable version to ensure you have
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fixes for known bugs shipping in those versions.
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Nomad looks for CNI plugin binaries by default in the `/opt/cni/bin` directory.
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However, you may install in the binaries in a different directory and then
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configure using the [`cni_path`](/nomad/docs/configuration/client#cni_path)
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attribute.
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