All gists matching topic example

botanikanet / replace apt repo

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replace apt repo in old ubuntu to yandex repo

apt example linux

1	sed -i "s/\/[a-z]\+\.ubuntu\.com/\/mirror\.yandex\.ru/g" /etc/apt/sources.list

botanikanet / ECR Cleanup

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Script for cleanup ecr

aws ecr example

1

aws ecr get-login-password | docker login --username AWS --password-stdin $(aws ecr describe-registry --query registryId --output text).dkr.ecr.eu-west-1.amazonaws.com

2

for REPOSITORY in $(aws ecr describe-repositories | jq -r '.repositories[].repositoryName'); do echo "${REPOSITORY}"; aws ecr describe-images --repository-name ${REPOSITORY} | jq --arg pull_t $(date +%Y-%m-%dT00:00:00 -d '1 months ago') --arg push_t $(date +%Y-%m-%dT00:00:00 -d '3 months ago') '.imageDetails|sort_by(.imagePushedAt) [:-20] | .[] | select(.lastRecordedPullTime? | . <= $pull_t ) | select(.imagePushedAt | . <= $push_t ) | "imageDigest=\(.imageDigest)"' | tr '\n' ' ' | xargs -n 99 -r aws ecr batch-delete-image --no-cli-pager --repository-name ${REPOSITORY} --image-ids; done

botanikanet / kubectl get nodes with labels

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Получить все ноды с конкретным label

example kubectl kubernetes

1	kubectl get nodes --label-columns topology.ebs.csi.aws.com/zone --label-columns node_type

botanikanet / kubectl custom colums

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Пример кастомного выхлопа для kubectl

example kubectl kubernetes

1	kubectl get pods -n kube-system \
2	-o=custom-columns='NAME:.metadata.name,RESTARTS:.status.containerStatuses[*].restartCount'

botanikanet / Ansible dynamic hosts

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Пример использования динамически генерируемого inventory в ходе работы ansible

ansible example

1	- name: Get dns names
2	set_fact:
3	__ec2_dns_names: "{{ __ec2_dns_names \| default([]) + [ item ] }}"
4	loop: "{{ __aws_ec2_vault_instances \| to_json \| from_json \| community.general.json_query('sort_by(instances, &tags.Name)[].private_dns_name') }}"
5	changed_when: false
6
7	- name: Add hosts to group 'vault'
8	ansible.builtin.add_host:
9	name: "vault-{{ ansible_loop.index }}.lavka.tld"
10	groups: vault

botanikanet / kubeconfig merge confs

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Пример того, как можно добавить конфигурацию для Kubernetes

config example kubernetes

1	KUBECONFIG=~/.kube/config:new-kubeconfig.yaml kubectl config view --flatten > merged-kubeconfig.yaml
2	mv merged-kubeconfig.yaml ~/.kube/config

botanikanet / evict_pod.sh

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Пример evict'а подов

example kubernetes

1	kubectl get pods --field-selector=spec.nodeName=ip-172-25-23-26.eu-west-1.compute.internal --all-namespaces
2	kubectl drain ip-172-25-23-26.eu-west-1.compute.internal --delete-emptydir-data --pod-selector=app.kubernetes.io/component=admission-controller
3	for NODE in $(kubectl get nodes --no-headers=true \| awk '{print $1}'); do echo "${NODE} $(kubectl get node ${NODE} --show-labels \| grep -Eo node_type=[a-z_]+)"; done