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51 lines
1.7 KiB
51 lines
1.7 KiB
#!/bin/sh
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if [ "$(id -u)" -ne 0 ]; then
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echo "This script should be run as root. Aborting..." > /dev/stderr
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exit 1
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fi
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#
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# Following this guide: https://kubernetes.io/docs/tasks/tools/install-kubectl/
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#
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echo "Updating apt package index..."
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apt-get update > /dev/null
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echo "Installing prerequisites..."
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apt-get -q -y -o Dpkg::Use-Pty=0 install apt-transport-https gnupg2 curl
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echo "Adding Kubernetes' repo key..."
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curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
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echo "Adding Kubernetes repo..."
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echo "deb https://apt.kubernetes.io/ kubernetes-xenial main" | tee -a /etc/apt/sources.list.d/kubernetes.list
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echo "Updating apt package index again..."
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apt-get update > /dev/null
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echo "Installing 'kubectl'..."
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apt-get -q -y -o Dpkg::Use-Pty=0 install kubectl
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# TODO: the command `kubectl cluster-info` gives an error and the script
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# provided from the docs gives an error. In the docs they are make
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# some sort of assumption that I cannot still figure out.
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# Ffs this is an entry level doc and they already start to omit not
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# obvious stuff... sorry for not owning a magic crystal ball. >:(
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# THIS, is a quality doc:
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# https://www.valent-blog.eu/2019/01/01/installare-kubernetes-in-debian-9/
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# The lines below comes from this doc.
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echo "Installing 'kubelet' and 'kubeadm'..."
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apt-get -q -y -o Dpkg::Use-Pty=0 install kubelet kubeadm
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echo "Marking in hold the packages 'kubectl', 'kubelet' and 'kubeadm' in order to prevent them to update in the future..."
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apt-mark hold kubelet kubeadm kubectl
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echo "Reloading systemd and restarting 'kubelet' service"
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systemctl daemon-reload
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systemctl restart kubelet
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# I guess these are the base images of kubernetes (?)
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echo "Pulling some base images.."
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kubeadm config images pull
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