113 lines
3.6 KiB
YAML
113 lines
3.6 KiB
YAML
---
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- name: Check if Helm is installed
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command: helm version --short
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register: helm_check
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changed_when: false
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failed_when: false
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- name: Install Helm
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shell: curl -fsSL https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash
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when: helm_check.rc != 0
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changed_when: true
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- name: Ensure observability namespace exists
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command: kubectl create namespace {{ observability_namespace }}
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register: create_observability_ns
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failed_when: create_observability_ns.rc != 0 and "AlreadyExists" not in create_observability_ns.stderr
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changed_when: create_observability_ns.rc == 0
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- name: Set Grafana admin password
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set_fact:
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grafana_password_effective: "{{ grafana_admin_password if grafana_admin_password | length > 0 else lookup('password', '/dev/null length=32 chars=ascii_letters,digits') }}"
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- name: Write kube-prometheus-stack values
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template:
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src: kube-prometheus-stack-values.yaml.j2
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dest: /tmp/kube-prometheus-stack-values.yaml
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mode: "0644"
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- name: Add Prometheus Helm repo
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command: helm repo add prometheus-community https://prometheus-community.github.io/helm-charts
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register: add_prom_repo
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failed_when: add_prom_repo.rc != 0 and "already exists" not in add_prom_repo.stderr
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changed_when: add_prom_repo.rc == 0
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- name: Add Grafana Helm repo
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command: helm repo add grafana https://grafana.github.io/helm-charts
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register: add_grafana_repo
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failed_when: add_grafana_repo.rc != 0 and "already exists" not in add_grafana_repo.stderr
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changed_when: add_grafana_repo.rc == 0
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- name: Update Helm repos
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command: helm repo update
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changed_when: false
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- name: Install kube-prometheus-stack
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command: >-
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helm upgrade --install kube-prometheus-stack prometheus-community/kube-prometheus-stack
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--namespace {{ observability_namespace }}
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--version {{ prometheus_chart_version }}
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--values /tmp/kube-prometheus-stack-values.yaml
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--wait
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--timeout 10m
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changed_when: true
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- name: Write Loki values
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template:
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src: loki-values.yaml.j2
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dest: /tmp/loki-values.yaml
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mode: "0644"
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- name: Validate Loki Helm values
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command: >-
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helm template loki grafana/loki
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--namespace {{ observability_namespace }}
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--version {{ loki_chart_version }}
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--values /tmp/loki-values.yaml
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changed_when: false
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- name: Install Loki
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command: >-
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helm upgrade --install loki grafana/loki
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--namespace {{ observability_namespace }}
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--version {{ loki_chart_version }}
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--values /tmp/loki-values.yaml
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--wait
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--timeout 10m
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changed_when: true
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- name: Write Promtail values
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template:
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src: promtail-values.yaml.j2
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dest: /tmp/promtail-values.yaml
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mode: "0644"
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- name: Install Promtail
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command: >-
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helm upgrade --install promtail grafana/promtail
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--namespace {{ observability_namespace }}
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--version {{ promtail_chart_version }}
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--values /tmp/promtail-values.yaml
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--wait
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--timeout 10m
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changed_when: true
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- name: Write Grafana Loki datasource manifest
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template:
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src: grafana-datasource-loki.yaml.j2
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dest: /tmp/grafana-datasource-loki.yaml
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mode: "0644"
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- name: Create Grafana Loki datasource
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command: kubectl apply -f /tmp/grafana-datasource-loki.yaml
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changed_when: true
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- name: Show observability access details
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debug:
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msg: |
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Observability stack deployed.
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Namespace: {{ observability_namespace }}
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Grafana (tailnet): kubectl -n {{ observability_namespace }} port-forward svc/kube-prometheus-stack-grafana 3000:80
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Prometheus (tailnet): kubectl -n {{ observability_namespace }} port-forward svc/kube-prometheus-stack-prometheus 9090:9090
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Grafana admin password: {{ grafana_password_effective }}
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