Add scripts
This commit is contained in:
Константин Шуткин
commit
0051341d5e
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#!/bin/bash
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set -e
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trap "echo 'sending fail backup status to vmagent...' && curl -k -d 'etcd_backup,hostname=ml-cbt-01 status=0.0' -X POST https://<vmagent-url>/write" ERR # отсылаем алёрт в VictoriaMetrics, если одна из команд была неуспешной
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cd /share/kubernetes/backups/etcd/ # переходим в папку с бэкапами
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timestamp=$(date +"%Y-%m-%d-%H-%M-%S")
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ETCDCTL_API=3 /usr/bin/etcdctl --cacert /etc/kubernetes/pki/etcd/ca.crt --cert /etc/kubernetes/pki/etcd/server.crt --key /etc/kubernetes/pki/etcd/server.key --endpoints=https://127.0.0.1:2379 snapshot save $timestamp.db # бэкапим etcd
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ETCDCTL_API=3 etcdctl --write-out=table snapshot status $timestamp.db # проверяем, что с бэкапом всё ок
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rm `ls -t | awk 'NR>7'` # оставляем только 7 последних бэкапов, остальные удаляем
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echo 'sending success backup status to vmagent...' && curl -k -d 'etcd_backup,hostname=ml-cbt-01 status=1' -X POST https://<vmagent-url>/write # отправляем информацию об успешном бэкапе. В результате получится метрика etcd_backup_status со значением 1
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@ -0,0 +1,19 @@
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# $1 - path/to/module/
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# $2 - number-of-submodule
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# $3 - submodule merging branch
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# $4 - repo name
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git remote rm submodule_origin
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git rm $1
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git commit -m "Remove $4 submodule"
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git remote add submodule_origin ssh://<repo-url>/$4.git
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git fetch submodule_origin
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git lfs fetch submodule_origin --all
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git branch merge-branch-$2 submodule_origin/$3
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git checkout merge-branch-$2
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git lfs fetch submodule_origin --all
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mkdir -p $1
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git ls-tree -z --name-only HEAD | xargs -0 -I {} git mv {} $1
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git commit -m "Moved files to $1"
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git checkout feature/merge-submodules
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git merge --allow-unrelated-histories merge-branch-$2
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git push --set-upstream origin feature/merge-submodules
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#!/usr/bin/env python3
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import sys, os, subprocess
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def print_help():
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help_text = f"""
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Usage: {os.path.basename(__file__)} $1 $2 $3
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required:
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$1 - name of service
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$2 - absolute path to script
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optional:
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$3 - description of service
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"""
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print(help_text)
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number_of_required_arguments = 2
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number_of_optional_arguments = 1
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if len(sys.argv) == 1:
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print_help()
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sys.exit()
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elif sys.argv[1] in ["help", "-h"]:
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print_help()
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sys.exit()
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elif len(sys.argv) - 1 < number_of_required_arguments:
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print(f"You provided not enough arguments")
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print_help()
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sys.exit(1)
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elif len(sys.argv) > number_of_required_arguments + number_of_optional_arguments + 1:
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print(f"You provided extra arguments")
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print_help()
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sys.exit(1)
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name_of_service = sys.argv[1]
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path_to_script = sys.argv[2]
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description = sys.argv[3] if sys.argv[3:4] else "" # empty if no description
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if not os.path.isabs(path_to_script):
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print("Path to script should be absolute!")
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print_help()
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sys.exit(1)
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elif not os.path.isfile(path_to_script):
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print("Path to script should exist and must be file!")
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print_help()
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sys.exit(1)
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service_file = f"""
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[Unit]
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Description={description}
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After=network-online.target
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[Service]
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Type=oneshot
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ExecStart={path_to_script}
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StandardOutput=journal
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StandardError=journal
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[Install]
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WantedBy=multi-user.target
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"""
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try:
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with open(f"/lib/systemd/system/{name_of_service}.service", "w") as f:
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f.write(service_file)
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subprocess.run(f"chmod +x {path_to_script}", shell=True, check=True)
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os.system(f"systemctl enable --now {name_of_service} && echo Success!!!")
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except:
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print("Something went wrong...")
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sys.exit(1)
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#!/usr/bin/env python3
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import sys, os, subprocess
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def print_help():
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help_text = f"""
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Usage: {os.path.basename(__file__)} $1 $2
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required:
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$1 - name of service
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$2 - calendar ()
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"""
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print(help_text)
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number_of_required_arguments = 2
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number_of_optional_arguments = 0
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if len(sys.argv) == 1:
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print_help()
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sys.exit()
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elif sys.argv[1] in ["help", "-h"]:
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print_help()
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sys.exit()
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elif len(sys.argv) - 1 < number_of_required_arguments:
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print(f"You provided not enough arguments")
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print_help()
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sys.exit(1)
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elif len(sys.argv) > number_of_required_arguments + number_of_optional_arguments + 1:
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print(f"You provided extra arguments")
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print_help()
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sys.exit(1)
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name_of_service = sys.argv[1]
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calendar = sys.argv[2]
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timer_file = f"""
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[Unit]
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Description={name_of_service} timer
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[Timer]
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Unit={name_of_service}.service
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OnCalendar={calendar}
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[Install]
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WantedBy=timers.target
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"""
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try:
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with open(f"/lib/systemd/system/{name_of_service}.timer", "w") as f:
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f.write(timer_file)
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os.system(f"systemctl enable --now {name_of_service}.timer && echo Success!!!")
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except:
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print("Something went wrong...")
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sys.exit(1)
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#!/bin/bash
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if [ $1 = "down" ]; then
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KUBECONFIG=/etc/kubernetes/admin.conf kubectl -n $2 patch daemonset $3 -p '{"spec": {"template": {"spec": {"nodeSelector": {"non-existing": "true"}}}}}'
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elif [ $1 = "up" ]; then
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KUBECONFIG=/etc/kubernetes/admin.conf kubectl -n $2 patch daemonset $3 --type json -p='[{"op": "remove", "path": "/spec/template/spec/nodeSelector/non-existing"}]'
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fi
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# Add Docker's official GPG key:
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sudo apt-get update
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sudo apt-get install ca-certificates curl nfs-common # nfs-common needed for nfs-client storage class
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sudo install -m 0755 -d /etc/apt/keyrings
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sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
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sudo chmod a+r /etc/apt/keyrings/docker.asc
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# Add the repository to Apt sources:
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echo \
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"deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
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$(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
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sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
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sudo apt-get update
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# install docker/containerd
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sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
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# install kubelet kubeadm kubectl
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curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.29/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
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echo 'deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.29/deb/ /' | sudo tee /etc/apt/sources.list.d/kubernetes.list
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sudo apt update
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sudo apt install -y kubelet kubeadm kubectl
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apt-mark hold kubelet kubeadm kubectl
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# install nvidia-container-toolkit and make it default runtime
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curl -fsSL https://nvidia.github.io/libnvidia-container/gpgkey | sudo gpg --dearmor -o /usr/share/keyrings/nvidia-container-toolkit-keyring.gpg \
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&& curl -s -L https://nvidia.github.io/libnvidia-container/stable/deb/nvidia-container-toolkit.list | \
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sed 's#deb https://#deb [signed-by=/usr/share/keyrings/nvidia-container-toolkit-keyring.gpg] https://#g' | \
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sudo tee /etc/apt/sources.list.d/nvidia-container-toolkit.list
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sudo apt update && sudo apt install nvidia-container-toolkit -y
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cat << EOF > /etc/containerd/config.toml
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version = 2
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[plugins]
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[plugins."io.containerd.grpc.v1.cri"]
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[plugins."io.containerd.grpc.v1.cri".containerd]
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default_runtime_name = "nvidia"
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[plugins."io.containerd.grpc.v1.cri".containerd.runtimes]
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[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.nvidia]
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privileged_without_host_devices = false
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runtime_engine = ""
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runtime_root = ""
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runtime_type = "io.containerd.runc.v2"
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[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.nvidia.options]
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BinaryName = "/usr/bin/nvidia-container-runtime"
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systemdCgroup = true
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EOF
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sudo service containerd restart
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sudo nvidia-ctk runtime configure --runtime=docker
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sudo systemctl restart docker
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# install nginx for load balancing
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sudo apt install nginx-light libnginx-mod-stream -y
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cat << EOF > /etc/nginx/nginx.conf
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error_log stderr notice;
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load_module /lib/nginx/modules/ngx_stream_module.so;
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worker_processes auto;
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worker_rlimit_nofile 130048;
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worker_shutdown_timeout 10s;
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events {
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multi_accept on;
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use epoll;
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worker_connections 16384;
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}
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stream {
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upstream kube_apiserver {
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least_conn;
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server 127.0.0.1:6443;
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server 10.239.10.222:6443;
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server 10.239.10.223:6443;
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}
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server {
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listen 127.0.0.1:8080;
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proxy_pass kube_apiserver;
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proxy_timeout 10m;
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proxy_connect_timeout 1s;
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}
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}
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http {
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aio threads;
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aio_write on;
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tcp_nopush on;
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tcp_nodelay on;
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keepalive_timeout 5m;
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keepalive_requests 100;
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reset_timedout_connection on;
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server_tokens off;
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autoindex off;
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server {
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listen 8081;
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location /healthz {
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access_log off;
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return 200;
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}
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location /stub_status {
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stub_status on;
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access_log off;
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}
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}
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}
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EOF
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sudo service nginx restart
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kubeadm init --upload-certs --control-plane-endpoint=127.0.0.1:8080
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kubeadm join 127.0.0.1:8080 --token e01u52.c9uq77rkvl3qm86u --discovery-token-ca-cert-hash sha256:a7fc076bdcd7391e8bc7577b54ecc492d319298b5699293f8390042b57866700 --control-plane --certificate-key 2931030dff3041c185715298ab833895c6f36028a97b2f139857641bbe7f66b5 # master
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kubeadm join 127.0.0.1:8080 --token e01u52.c9uq77rkvl3qm86u --discovery-token-ca-cert-hash sha256:a7fc076bdcd7391e8bc7577b54ecc492d319298b5699293f8390042b57866700 # worker
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# install cilium
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CILIUM_CLI_VERSION=$(curl -s https://raw.githubusercontent.com/cilium/cilium-cli/main/stable.txt)
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CLI_ARCH=amd64
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if [ "$(uname -m)" = "aarch64" ]; then CLI_ARCH=arm64; fi
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curl -L --fail --remote-name-all https://github.com/cilium/cilium-cli/releases/download/${CILIUM_CLI_VERSION}/cilium-linux-${CLI_ARCH}.tar.gz{,.sha256sum}
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sha256sum --check cilium-linux-${CLI_ARCH}.tar.gz.sha256sum
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sudo tar xzvfC cilium-linux-${CLI_ARCH}.tar.gz /usr/local/bin
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rm cilium-linux-${CLI_ARCH}.tar.gz{,.sha256sum}
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cilium install --version 1.15.1
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# taint masters
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kubectl taint nodes ml-cbt-02 ml-cbt-03 node-role.kubernetes.io/control-plane:NoSchedule-# install tools
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# install tools
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curl https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash # helm
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helm plugin install https://github.com/databus23/helm-diff # helm-diff needed for helmfile
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@ -0,0 +1,44 @@
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nala install -y sssd-ldap sssd-tools ldap-utils
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mkdir /etc/ldap/ca/
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#vim /etc/ldap/ca/ninv.crt
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#vim /etc/ldap/ldap.conf
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#vim /etc/hosts
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#vim /etc/sssd/sssd.conf
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chmod 600 /etc/sssd/sssd.conf
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pam-auth-update --enable mkhomedir
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service sssd restart
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nala install -y apt-transport-https ca-certificates curl gpg
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curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.29/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
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echo 'deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.29/deb/ /' | sudo tee /etc/apt/sources.list.d/kubernetes.list
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nala update
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nala install -y kubelet kubeadm kubectl
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apt-mark hold kubelet kubeadm kubectl
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nala install -y containerd
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swapoff -a
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#vim /etc/fstab
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cat <<EOF | sudo tee /etc/modules-load.d/k8s.conf
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overlay
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br_netfilter
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EOF
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modprobe overlay
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modprobe br_netfilter
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# sysctl params required by setup, params persist across reboots
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cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf
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net.bridge.bridge-nf-call-iptables = 1
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net.bridge.bridge-nf-call-ip6tables = 1
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net.ipv4.ip_forward = 1
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EOF
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# Apply sysctl params without reboot
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sudo sysctl --system
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kubeadm join 10.239.10.221:6443 --token z51k9o.144c6ntyob9ut43y --discovery-token-ca-cert-hash sha256:baaa860fb0cf4007b31979e0e21fdc45ec12ad2857aba3a82b63ec26044da597
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curl -fsSL https://nvidia.github.io/libnvidia-container/gpgkey | sudo gpg --dearmor -o /usr/share/keyrings/nvidia-container-toolkit-keyring.gpg \
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&& curl -s -L https://nvidia.github.io/libnvidia-container/stable/deb/nvidia-container-toolkit.list | \
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sed 's#deb https://#deb [signed-by=/usr/share/keyrings/nvidia-container-toolkit-keyring.gpg] https://#g' | \
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sudo tee /etc/apt/sources.list.d/nvidia-container-toolkit.list
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nala update && nala install nvidia-driver-535 nvidia-cuda-toolkit nvidia-container-toolkit -y
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nvidia-ctk runtime configure --runtime=containerd
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service containerd restart
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