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apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-exporter-deployment
  namespace: default
spec:
  selector:
    matchLabels:
      app: nginx-exporter-server
  replicas: 1

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#troubleshooting commands
lvdisplay
vgdisplay
pvdisplay
pvs
lvs
fdisk -l
lsblk

#resize +100%

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=========#gitlab-runner=============
[[runners]]
  name = "gitlab"
  url = "https://gitlab.local"
  token = "7PeUFFpUPTA9P1NgzfW2"
  tls-ca-file = "/etc/gitlab/ssl/gitlab.local.crt"
  executor = "docker"
  environment = ["DOCKER_TLS_CERTDIR="]
  [runners.custom_build_dir]
  [runners.docker]

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kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  namespace: default
  name: service-reader
rules:
- apiGroups: [""] # "" indicates the core API group
  resources: ["services"]
  verbs: ["get", "watch", "list"]

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1)oc create user nurlan
2)htpasswd /etc/origin/master/htpasswd nurlan
3)oc create identity HTPasswdPasswordIdentityProvider:nurlan
4) на всех мастерах вставить логин и пароль из /etc/origin/master/htpasswd
5)oc adm policy add-role-to-user admin nurlan -n mynamespace - дать роль admin пользователю nurlan в NS mynamespace

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pcs cluster auth 192.168.0.116 192.168.0.117 -u hacluster -p 123 --force

pcs cluster setup --force --name pacemaker1 192.168.0.116 192.168.0.117

pcs status

pcs resource create VirtualIP ocf:heartbeat:IPaddr2 ip=192.168.0.120 cidr_netmask=24 op monitor interval=30s

pcs resource delete VirtualIP

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================================================SRV-1=======================================================
! Configuration File for keepalived

global_defs {
     router_id NGINX_MASTER
}

vrrp_instance NGINX_VRRP_1 {
    state MASTER
    interface enp0s3

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Пример использования curator для автоматического удаления индексов старше 4 дней.

Software versions:
curator: 5.8.1 (https://www.elastic.co/guide/en/elasticsearch/client/curator/current/yum-repository.html)
ElasticSearch: 7.5.0

1. curator --config /etc/elasticsearch/curator-clients.yml /etc/elasticsearch/curator-actions.yml - запуска куратора

0 2 * * * /usr/local/bin/curator --config /etc/elasticsearch/curator/client.yml /etc/elasticsearch/curator/action.yml

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=================Filebeat===7.6.2=======/etc/filebeat/filebeat.yml===========================
filebeat.inputs:
- type: log

  enabled: true
  paths:
    - /opt/IBM/WebSphere/AppServer/V85/ND/profiles/AppSrv01/logs/Member1/SystemOut.log

filebeat.config.modules:
  path: ${path.config}/modules.d/*.yml

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docker run -d --name gitlab-runner --restart always -v /srv/gitlab-runner/config:/etc/gitlab-runner -v /var/run/docker.sock:/var/run/docker.sock   gitlab/gitlab-runner:latest