TechFlow Solutions is a rapidly growing SaaS company that provides real-time data analytics services to over 500 enterprise clients. As our platform scales to handle millions of requests per day, we've encountered critical challenges:
- Limited Visibility: Our current monitoring setup provides minimal insight into application performance and system health
- Incident Response Time: Average time to detect and diagnose issues is 45 minutes, leading to customer dissatisfaction
- Log Management Chaos: Logs are scattered across multiple systems with no centralized search capability
- Metrics Sprawl: Different teams use different monitoring tools, creating data silos
- Compliance Requirements: We need comprehensive audit trails and retention policies for SOC 2 compliance
- Lost revenue of ~$50K per hour during outages
- Customer churn rate increased by 12% due to reliability issues
- Engineering team spending 40% of time on debugging instead of feature development
- Difficulty meeting SLAs of 99.9% uptime
We are implementing Grafana's LGTM (Loki, Grafana, Tempo, Mimir) stack to create a unified observability platform that will:
- Centralized Observability: Single pane of glass for logs, metrics, and traces
- Proactive Monitoring: Reduce MTTR (Mean Time To Resolution) from 45 minutes to under 10 minutes
- Cost Optimization: Replace multiple commercial monitoring tools with open-source solution
- Scalability: Handle growth from 1M to 10M daily requests over next year
- Developer Experience: Self-service observability for all engineering teams
- Deploy on Google Kubernetes Engine (GKE) for reliability and scalability
- Implement GitOps for configuration management and audit trails
- Use Google Cloud Storage for long-term data retention
- Secure all endpoints with proper authentication
- Ensure high availability with multi-node deployment
.
├── README.md # This file
├── LEARNING.md # Learning journal and notes
├── .gitignore # Git ignore file
├── .github/ # GitHub specific files
│ └── workflows/ # GitHub Actions workflows
│ ├── terraform-validate.yml # Terraform validation
│ └── argocd-sync-check.yml # ArgoCD manifest validation
│
├── infrastructure/ # Terraform IaC code
│ ├── environments/ # Environment-specific configurations
│ │ └── production/ # Production environment
│ │ ├── main.tf # Main Terraform configuration
│ │ ├── variables.tf # Variable definitions
│ │ ├── terraform.tfvars # Variable values (gitignored)
│ │ ├── terraform.tfvars.example # Example variable values
│ │ ├── outputs.tf # Output definitions
│ │ ├── providers.tf # Provider configurations
│ │ ├── backend.tf # Terraform state backend config
│ │ └── versions.tf # Terraform version constraints
│ │
│ └── modules/ # Reusable Terraform modules
│ ├── gcp-network/ # VPC and networking module
│ │ ├── main.tf
│ │ ├── variables.tf
│ │ ├── outputs.tf
│ │ └── README.md
│ ├── gke-cluster/ # GKE cluster module
│ │ ├── main.tf
│ │ ├── variables.tf
│ │ ├── outputs.tf
│ │ ├── node-pools.tf
│ │ ├── workload-identity.tf
│ │ └── README.md
│ ├── gcs-buckets/ # Google Cloud Storage module
│ │ ├── main.tf
│ │ ├── variables.tf
│ │ ├── outputs.tf
│ │ └── README.md
│ ├── cloud-dns/ # Cloud DNS configuration
│ │ ├── main.tf
│ │ ├── variables.tf
│ │ ├── outputs.tf
│ │ └── README.md
│ └── iam/ # IAM roles and policies
│ ├── main.tf
│ ├── variables.tf
│ ├── outputs.tf
│ └── README.md
│
├── kubernetes/ # GitOps manifests for ArgoCD
│ ├── bootstrap/ # ArgoCD bootstrap configuration
│ │ ├── argocd-namespace.yaml
│ │ ├── argocd-install.yaml
│ │ └── argocd-ingress.yaml
│ ├── applications/ # ArgoCD Application definitions
│ │ ├── app-of-apps.yaml # Root application
│ │ ├── infrastructure-apps.yaml # Infrastructure applications
│ │ └── lgtm-apps.yaml # LGTM stack applications
│ ├── infrastructure/ # Infrastructure components
│ │ ├── nginx-ingress/
│ │ │ ├── namespace.yaml
│ │ │ ├── values.yaml
│ │ │ └── helmrelease.yaml
│ │ └── cert-manager/
│ │ ├── namespace.yaml
│ │ ├── values.yaml
│ │ └── helmrelease.yaml
│ └── lgtm-stack/ # LGTM components
│ ├── namespace.yaml # lgtm namespace
│ ├── grafana/
│ │ ├── values.yaml
│ │ ├── helmrelease.yaml
│ │ ├── ingress.yaml
│ │ └── dashboards/
│ ├── loki/
│ │ ├── values.yaml
│ │ ├── helmrelease.yaml
│ │ ├── ingress.yaml
│ │ └── auth-proxy.yaml
│ ├── mimir/
│ │ ├── values.yaml
│ │ ├── helmrelease.yaml
│ │ └── storage-config.yaml
│ ├── tempo/
│ │ ├── values.yaml
│ │ └── helmrelease.yaml
│ └── collectors/
│ ├── prometheus/
│ ├── promtail/
│ └── otel-collector/
│
├── scripts/ # Automation and utility scripts
│ ├── setup/
│ │ ├── 01-prerequisites.sh # Check and install prerequisites
│ │ ├── 02-gcp-setup.sh # GCP project setup
│ │ ├── 03-terraform-init.sh # Initialize Terraform
│ │ └── 04-bootstrap-argocd.sh # Bootstrap ArgoCD
│ ├── validate/
│ │ ├── terraform-validate.sh # Validate Terraform code
│ │ └── k8s-validate.sh # Validate Kubernetes manifests
│ └── utils/
│ ├── generate-secrets.sh # Generate required secrets
│ ├── backup-dashboards.sh # Backup Grafana dashboards
│ └── test-endpoints.sh # Test deployed endpoints
│
└── docs/ # Additional documentation
├── setup.md # Detailed setup instructions
├── architecture.md # Architecture decisions
├── operations.md # Operational procedures
├── troubleshooting.md # Common issues and solutions
└── security.md # Security considerations
- GCP Project with billing enabled
- gcloud CLI configured
- kubectl installed
- Git repository access
- Domain configured in Cloud DNS
# Clone the repository
git clone https://github.com/[your-org]/lgtm-stack-deployment
cd lgtm-stack-deployment