loki_argocd_app.yaml

---
apiVersion: argoproj.io/v1alpha1
kind: Application
metadata:
  name: loki
  namespace: argocd
  annotations:
    argocd.argoproj.io/sync-wave: "4"
spec:
  project: default
  destination:
    server: "https://kubernetes.default.svc"
    namespace: prometheus
  source:
    repoURL: 'https://github.com/grafana/helm-charts'
    path: charts/loki-stack
    targetRevision: HEAD
    helm:
      skipCrds: true
      values: |
        loki:
          isDefault: false
          storageConfig:
            tsdb_shipper:
              active_index_directory: /data/tsdb-index
              cache_location: /data/tsdb-cache
              index_gateway_client:
                # only applicable if using microservices where index-gateways are independently deployed.
                # This example is using kubernetes-style naming.
                server_address: dns:///index-gateway.prometheus.svc.cluster.local:9095
              shared_store: gcs
        promtail:
          enabled: true
          extraScrapeConfigs: |
            - job_name: system
              static_configs:
              - targets:
                - localhost
              labels:
                job: varlogs
                __path__: /var/log/*log
  syncPolicy:
    syncOptions:
      - CreateNamespace=true
      - ApplyOutOfSyncOnly=true
      - Retry=true
    automated:
      selfHeal: true
      prune: true