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Update the guide for Fedora CoreOS 

Download command files to /usr/local/bin instead of /opt/bin,which is not in
the default PATH and secure_path
This commit is contained in:
Lily 2020-06-19 14:12:21 +05:30 committed by Lily Nie
parent cad0588597
commit 9dc3d7965b
1 changed files with 17 additions and 13 deletions
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30
content/en/docs/setup/production-environment/tools/kubeadm/install-kubeadm.md
View File

@ -220,37 +220,41 @@ systemctl enable --now kubelet
- You can leave SELinux enabled if you know how to configure it but it may require settings that are not supported by kubeadm.
{{% /tab %}}
{{% tab name="Container Linux" %}}
{{% tab name="Fedora CoreOS" %}}
Install CNI plugins (required for most pod network):
```bash
CNI_VERSION="v0.8.2"
mkdir -p /opt/cni/bin
curl -L "https://github.com/containernetworking/plugins/releases/download/${CNI_VERSION}/cni-plugins-linux-amd64-${CNI_VERSION}.tgz" | tar -C /opt/cni/bin -xz
sudo mkdir -p /opt/cni/bin
curl -L "https://github.com/containernetworking/plugins/releases/download/${CNI_VERSION}/cni-plugins-linux-amd64-${CNI_VERSION}.tgz" | sudo tar -C /opt/cni/bin -xz
```
Define the directory to download command files
```bash
DOWNLOAD_DIR=/usr/local/bin
sudo mkdir -p $DOWNLOAD_DIR
```
Install crictl (required for kubeadm / Kubelet Container Runtime Interface (CRI))
```bash
CRICTL_VERSION="v1.17.0"
mkdir -p /opt/bin
curl -L "https://github.com/kubernetes-sigs/cri-tools/releases/download/${CRICTL_VERSION}/crictl-${CRICTL_VERSION}-linux-amd64.tar.gz" | tar -C /opt/bin -xz
curl -L "https://github.com/kubernetes-sigs/cri-tools/releases/download/${CRICTL_VERSION}/crictl-${CRICTL_VERSION}-linux-amd64.tar.gz" | sudo tar -C $DOWNLOAD_DIR -xz
```
Install `kubeadm`, `kubelet`, `kubectl` and add a `kubelet` systemd service:
```bash
RELEASE="$(curl -sSL https://dl.k8s.io/release/stable.txt)"
mkdir -p /opt/bin
cd /opt/bin
curl -L --remote-name-all https://storage.googleapis.com/kubernetes-release/release/${RELEASE}/bin/linux/amd64/{kubeadm,kubelet,kubectl}
chmod +x {kubeadm,kubelet,kubectl}
cd $DOWNLOAD_DIR
sudo curl -L --remote-name-all https://storage.googleapis.com/kubernetes-release/release/${RELEASE}/bin/linux/amd64/{kubeadm,kubelet,kubectl}
sudo chmod +x {kubeadm,kubelet,kubectl}
RELEASE_VERSION="v0.2.7"
curl -sSL "https://raw.githubusercontent.com/kubernetes/release/${RELEASE_VERSION}/cmd/kubepkg/templates/latest/deb/kubelet/lib/systemd/system/kubelet.service" | sed "s:/usr/bin:/opt/bin:g" > /etc/systemd/system/kubelet.service
mkdir -p /etc/systemd/system/kubelet.service.d
curl -sSL "https://raw.githubusercontent.com/kubernetes/release/${RELEASE_VERSION}/cmd/kubepkg/templates/latest/deb/kubeadm/10-kubeadm.conf" | sed "s:/usr/bin:/opt/bin:g" > /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
curl -sSL "https://raw.githubusercontent.com/kubernetes/release/${RELEASE_VERSION}/cmd/kubepkg/templates/latest/deb/kubelet/lib/systemd/system/kubelet.service" | sed "s:/usr/bin:${DOWNLOAD_DIR}:g" | sudo tee /etc/systemd/system/kubelet.service
sudo mkdir -p /etc/systemd/system/kubelet.service.d
curl -sSL "https://raw.githubusercontent.com/kubernetes/release/${RELEASE_VERSION}/cmd/kubepkg/templates/latest/deb/kubeadm/10-kubeadm.conf" | sed "s:/usr/bin:${DOWNLOAD_DIR}:g" | sudo tee /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
```
Enable and start `kubelet`: