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DIAB for k3d
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‎workshop/ansible/diab-v3-k3d.yml‎

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---
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- hosts: localhost
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gather_facts: false
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pre_tasks:
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- name: Set the required variables
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set_fact:
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ingest_token: "{{ lookup('env','ACCESS_TOKEN') }}"
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rum_token: "{{ lookup('env','RUM_TOKEN') }}"
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realm: "{{ lookup('env','REALM') }}"
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instance: "{{ lookup('env','INSTANCE') }}"
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hec_url: "{{ lookup('env','HEC_URL') }}"
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hec_token: "{{ lookup('env','HEC_TOKEN') }}"
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tasks:
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- name: Check for existing K3s installation
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block:
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- name: Check if K3s is installed
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stat:
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path: /usr/local/bin/k3s
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register: k3s_binary
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- name: Check if K3s service is running
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systemd:
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name: k3s
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register: k3s_service
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failed_when: false
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- name: Uninstall K3s if present
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block:
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- name: Stop K3s service
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systemd:
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name: k3s
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state: stopped
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become: true
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when: k3s_service.status is defined and k3s_service.status.ActiveState == "active"
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- name: Run K3s uninstall script
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command: /usr/local/bin/k3s-uninstall.sh
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become: true
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when: k3s_binary.stat.exists
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- name: Remove K3s binary if still present
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file:
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path: /usr/local/bin/k3s
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state: absent
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become: true
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when: k3s_binary.stat.exists
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when: k3s_binary.stat.exists
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- name: Install and configure k3d
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block:
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- name: Add splunk user to docker group
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user:
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name: splunk
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groups: docker
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append: yes
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become: true
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- name: Reset SSH connection to pick up group changes
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meta: reset_connection
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- name: Get latest kubectl version
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uri:
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url: https://dl.k8s.io/release/stable.txt
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return_content: yes
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register: kubectl_version
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- name: Download kubectl binary
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get_url:
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url: "https://dl.k8s.io/release/{{ kubectl_version.content | trim }}/bin/linux/amd64/kubectl"
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dest: /usr/local/bin/kubectl
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mode: '0755'
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become: true
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- name: Download k3d install script
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get_url:
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url: https://raw.githubusercontent.com/k3d-io/k3d/main/install.sh
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dest: /tmp/k3d-install.sh
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mode: '0755'
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become: true
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- name: Install k3d
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command: /tmp/k3d-install.sh
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become: true
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- name: Create 3-node k3d cluster
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command: k3d cluster create {{ instance }}-cluster --agents 2
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become_user: splunk
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become: true
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- name: Create .kube directory for splunk user
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file:
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path: /home/splunk/.kube
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state: directory
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owner: splunk
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group: splunk
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mode: '0755'
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become: true
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- name: Generate kubeconfig for splunk user
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shell: k3d kubeconfig get {{ instance }}-cluster > /home/splunk/.kube/config
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become_user: splunk
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become: true
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- name: Set kubeconfig file permissions
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file:
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path: /home/splunk/.kube/config
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owner: splunk
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group: splunk
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mode: '0600'
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become: true
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- name: Install Chaos Mesh
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shell: curl -sSL https://mirrors.chaos-mesh.org/v2.7.2/install.sh | bash -s -- --k3s
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become_user: splunk
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become: true
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environment:
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KUBECONFIG: /home/splunk/.kube/config
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- name: Configure Demo-in-a-Box
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block:
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- name: Check to see if the config has run
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stat:
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path: /white_rabbit.followed
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register: wh_result
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- name: Extract demo-in-a-box.zip into /home/splunk/
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unarchive:
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src: demo-in-a-box.zip
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dest: /home/splunk/
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owner: splunk
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group: splunk
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remote_src: yes
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list_files: yes
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become: true
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register: diab_dir_name
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when: not wh_result.stat.exists
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#- name: Delete demo-in-a-box.zip
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# file:
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# path: /home/splunk/demo-in-a-box.zip
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# state: absent
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# become: true
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# when: not wh_result.stat.exists
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- debug:
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var: diab_dir_name.files[0]
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when: not wh_result.stat.exists
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- name: Create K8s secrets YAML
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file:
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path: /home/splunk/workshop-secrets.yaml
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owner: splunk
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group: splunk
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state: touch
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become: true
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when: not wh_result.stat.exists
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- name: Update secrets YAML
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ansible.builtin.blockinfile:
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path: /home/splunk/workshop-secrets.yaml
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block: |
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apiVersion: v1
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kind: Secret
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metadata:
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name: workshop-secret
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namespace: default
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type: Opaque
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stringData:
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app: {{ instance }}-store
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env: {{ instance}}
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deployment: "deployment.environment={{ instance }}"
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access_token: {{ ingest_token }}
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realm: {{ realm }}
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rum_token: {{ rum_token }}
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hec_token: {{ hec_token }}
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hec_url: {{ hec_url }}
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url: "http://frontend-external:81"
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marker: "## {mark} Added by ansible (configuration Demo-in-a-Box)"
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become: true
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when: not wh_result.stat.exists
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- name: Demo-in-a-Box Kubernetes setup
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command: kubectl apply -f /home/splunk/workshop-secrets.yaml
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when: not wh_result.stat.exists
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- name: Create service for Demo-in-a-Box Manager API
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file:
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path: /etc/systemd/system/diab-manager-api.service
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state: touch
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become: true
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when: not wh_result.stat.exists
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- name: Update service for diab-manager-api.service
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ansible.builtin.blockinfile:
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path: /etc/systemd/system/diab-manager-api.service
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block: |
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[Unit]
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Description=Demo-in-a-Box Manager API Service
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After=network.target
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StartLimitIntervalSec=0
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[Service]
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Type=simple
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Restart=always
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RestartSec=1
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User=splunk
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Environment="KUBECONFIG=/home/splunk/.kube/config"
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WorkingDirectory=/home/splunk/{{ diab_dir_name.files[0] }}v3
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ExecStart=/bin/bash scripts/run-manager-api.sh
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[Install]
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WantedBy=multi-user.target
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marker: "## {mark} Added by ansible (configuration Demo-in-a-Box)"
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become: true
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when: not wh_result.stat.exists
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- name: Create service for Demo-in-a-Box Manager UI
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file:
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path: /etc/systemd/system/diab-manager-ui.service
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state: touch
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become: true
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when: not wh_result.stat.exists
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- name: Update service for diab-manager-ui.service
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ansible.builtin.blockinfile:
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path: /etc/systemd/system/diab-manager-ui.service
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block: |
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[Unit]
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Description=Demo-in-a-Box Manager UI Service
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After=network.target
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StartLimitIntervalSec=0
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[Service]
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Type=simple
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Restart=always
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RestartSec=1
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User=splunk
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Environment="KUBECONFIG=/home/splunk/.kube/config"
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WorkingDirectory=/home/splunk/{{ diab_dir_name.files[0] }}v3
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ExecStart=/bin/bash scripts/run-manager-ui.sh
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[Install]
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WantedBy=multi-user.target
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marker: "## {mark} Added by ansible (configuration Demo-in-a-Box)"
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become: true
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when: not wh_result.stat.exists
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- name: Helm OTel Collector repository add
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command: helm repo add splunk-otel-collector-chart https://signalfx.github.io/splunk-otel-collector-chart
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when: not wh_result.stat.exists
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- name: Helm repository update
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command: helm repo update
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when: not wh_result.stat.exists
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- name: Start the diab-manager-api service
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command: systemctl enable --now diab-manager-api.service
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become: true
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when: not wh_result.stat.exists
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- name: Wait for diab-manager-api.service to start
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pause:
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seconds: 20
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when: not wh_result.stat.exists
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- name: Start the diab-manager service
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command: systemctl enable --now diab-manager-ui.service
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become: true
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when: not wh_result.stat.exists
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- name: Wait for diab-manager-ui.service to start
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pause:
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seconds: 5
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when: not wh_result.stat.exists
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- name: Enable Chaos Mesh dashboard
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command: kubectl apply -f /home/splunk/{{ diab_dir_name.files[0] }}v3/chaos-mesh/chaos-mesh-dashboard-lb.yaml
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when: not wh_result.stat.exists
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- name: Save Demo-in-a-Box configuration
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uri:
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url: "http://localhost:8082/saveConfig"
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method: POST
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body: "realm={{ realm }}&ingest_token={{ ingest_token }}&rum_token={{ rum_token }}&hec_url={{ hec_url}}&hec_token={{ hec_token }}&splunk_index=splunk4rookies-workshop&instance={{ instance }}"
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status_code: [ 200, 201 ]
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timeout: 30
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register: splunk_api
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until: splunk_api.status == 200
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retries: 10
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delay: 5
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when: not wh_result.stat.exists
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- name: Create a file to signify that the config has run successfully
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file:
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path: "/white_rabbit.followed"
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state: touch
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become: true
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when: not wh_result.stat.exists

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