new elasticsearch host

16_elk/ansible/01_prepare_nodes.yaml

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+../../99_newhost/ansible/01_prepare_nodes.yaml

16_elk/ansible/02_prepare_prometheus.yaml

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+---
+- hosts: localhost
+  become: true
+  gather_facts: no
+  tasks:
+
+  - name: Set variables
+    include: include/_setup_vars.yaml
+
+  - name: "Create ansible group for new hosts"
+    add_host: name="{{ ip }}" groups=newhost
+
+  - name: Create prometheus data disk
+    shell: qemu-img create -f qcow2 {{ vms_dir }}/{{ fqdn }}/promvg.qcow2 {{ disksize }}
+
+  - name: Attach disk to machine
+    shell: virsh attach-disk {{ fqdn }} --source {{ vms_dir }}/{{ fqdn }}/promvg.qcow2 --target vdb --subdriver qcow2 --targetbus virtio --persistent
+
+  - name: Autostart of the machine
+    shell: virsh autostart {{ fqdn }}
+
+- hosts: newhost
+  become: true
+  gather_facts: no
+  tasks:
+
+  - name: Set variables
+    include: include/_setup_vars.yaml
+
+  - name: Setup firewall rules
+    shell: firewall-cmd --permanent --add-port=9090-9094/tcp --add-port=443/tcp ; firewall-cmd --reload
+
+  - name: LV extend /lv-var
+    shell: lvresize /dev/rootvg/var -L+10G
+
+  - name: Resize fs
+    shell: resize2fs /dev/rootvg/var
+
+  - name: Create datavg and logical volume
+    shell: pvcreate /dev/vdb ; vgcreate promvg /dev/vdb ; lvcreate -n data -L50G promvg
+
+  - name: Create fs
+    shell: mkfs.ext4 /dev/promvg/data
+
+  - name: make directory /prometheus/data
+    shell: mkdir -p /prometheus/data
+
+  - name: Add /prometheus/data to fstab
+    shell: echo '/dev/mapper/promvg-data  /prometheus/data              ext4    noatime,nodiratime        1 2' >> /etc/fstab
+
+  - name: Mount /prometheus/data
+    shell: mount /prometheus/data

16_elk/ansible/03_extend_cluster.yaml

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+---
+- hosts: localhost
+  become: true
+  gather_facts: no
+  tasks:
+
+  - name: Set variables
+    include: include/_setup_vars.yaml
+
+  - name: "Create ansible group for new hosts"
+    add_host: name="{{ master }}" groups=newhost
+
+- hosts: newhost
+  become: true
+  gather_facts: no
+  tasks:
+
+  - name: Set variables
+    include: include/_setup_vars.yaml
+
+  - name: Copy cluster.ini
+    shell: cp /root/gshipley/cluster.ini /root/gshipley/prometheus.ini
+
+  - name: Add new hosts
+    shell: echo "[new_nodes]" >> /root/gshipley/prometheus.ini ; echo "{{ fqdn }} openshift_node_group_name='node-config-prometheus'" >> /root/gshipley/prometheus.ini
+
+  - name: Add section new nodes
+    shell: cd /root/gshipley ; sed -i -E 's/nodes$/nodes\nnew_nodes/' prometheus.ini
+
+  - name: Add host to ansible host
+    shell: echo "{{ fqdn }}" >> /etc/ansible/hosts
+
+  - name: setting up the node group
+    shell: cd /root/gshipley ; ansible-playbook -i prometheus.ini openshift-ansible/playbooks/openshift-master/openshift_node_group.yml
+
+  - name: Add new node to the cluster 
+    shell: cd /root/gshipley ; ansible-playbook -i prometheus.ini openshift-ansible/playbooks/openshift-node/scaleup.yml

16_elk/ansible/include/_setup_vars.yaml

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+- name: Set global variables
+  set_fact:
+    virbr: "16"
+    netsuffix: "33" 
+    hostname: "node33"
+    domain: "lab.local"
+    mem: "8G"
+    ipaserver: "freeipa.lab.local"
+    ipaip: "10.1.8.10"
+    ldapbase: "dc=lab,dc=local"
+    svcadmin: "admin"
+    adminpwd: "admin123"
+    template: "t_centos7"
+    template_dir: "/data/templates"
+    vms_dir: "/data/vms"
+    rootvg_size: 30
+
+
+- name: Set ip
+  set_fact:
+    ip: "10.1.{{ virbr  }}.{{ netsuffix }}"
+
+
+
+- name: Set FQDN
+  set_fact:
+    fqdn: "{{ hostname }}.{{ domain }}"
+
+- name: Set REALM
+  set_fact: 
+    realm: "{{ domain|upper }}"
+
+- name: Set disksize
+  set_fact: 
+    disksize: "51G"
+
+- name: Set ocp master
+  set_fact:
+    master: "node11.lab.local"