package devopslab

import (
    "context"
    "fmt"
    "sync"
    "time"
    
    "github.com/hashicorp/terraform-provider-aws/aws"
    "k8s.io/client-go/kubernetes"
    "github.com/ansible/ansible-runner-go"
)

type EnterpriseDevOpsLab struct {
    config              *LabConfig
    infrastructureManager *InfrastructureManager
    orchestrationEngine *OrchestrationEngine
    securityFramework   *SecurityFramework
    monitoringSystem    *MonitoringSystem
    automationEngine    *AutomationEngine
    environments        map[string]*Environment
    mutex               sync.RWMutex
}

type LabConfig struct {
    Organization        string
    Environments        []string
    SecurityLevel       string
    ComplianceFramework string
    CloudProviders      []string
    ResourceLimits      ResourceLimits
    NetworkPolicy       NetworkPolicy
    BackupStrategy      BackupStrategy
}

type Environment struct {
    Name                string
    Type                string // "development", "staging", "production", "sandbox"
    KubernetesCluster   *KubernetesCluster
    InfrastructureStack *TerraformStack
    SecurityPolicies    []*SecurityPolicy
    MonitoringConfig    *MonitoringConfig
    ResourceQuota       *ResourceQuota
    Users               []*User
}

func NewEnterpriseDevOpsLab(config *LabConfig) *EnterpriseDevOpsLab {
    return &EnterpriseDevOpsLab{
        config:              config,
        infrastructureManager: NewInfrastructureManager(config),
        orchestrationEngine: NewOrchestrationEngine(),
        securityFramework:   NewSecurityFramework(config.SecurityLevel),
        monitoringSystem:    NewMonitoringSystem(),
        automationEngine:    NewAutomationEngine(),
        environments:        make(map[string]*Environment),
    }
}

func (edl *EnterpriseDevOpsLab) InitializeLab() error {
    edl.mutex.Lock()
    defer edl.mutex.Unlock()
    
    // Initialize base infrastructure
    if err := edl.setupBaseInfrastructure(); err != nil {
        return fmt.Errorf("failed to setup base infrastructure: %w", err)
    }
    
    // Create environments
    for _, envName := range edl.config.Environments {
        env, err := edl.createEnvironment(envName)
        if err != nil {
            return fmt.Errorf("failed to create environment %s: %w", envName, err)
        }
        edl.environments[envName] = env
    }
    
    // Setup security framework
    if err := edl.securityFramework.Initialize(); err != nil {
        return fmt.Errorf("failed to initialize security framework: %w", err)
    }
    
    // Initialize monitoring
    if err := edl.monitoringSystem.Initialize(); err != nil {
        return fmt.Errorf("failed to initialize monitoring: %w", err)
    }
    
    // Setup automation pipelines
    if err := edl.automationEngine.Initialize(); err != nil {
        return fmt.Errorf("failed to initialize automation: %w", err)
    }
    
    return nil
}

func (edl *EnterpriseDevOpsLab) createEnvironment(name string) (*Environment, error) {
    env := &Environment{
        Name: name,
        Type: edl.determineEnvironmentType(name),
    }
    
    // Create Kubernetes cluster
    cluster, err := edl.createKubernetesCluster(env)
    if err != nil {
        return nil, err
    }
    env.KubernetesCluster = cluster
    
    // Setup infrastructure stack
    stack, err := edl.createInfrastructureStack(env)
    if err != nil {
        return nil, err
    }
    env.InfrastructureStack = stack
    
    // Apply security policies
    policies, err := edl.securityFramework.CreatePolicies(env)
    if err != nil {
        return nil, err
    }
    env.SecurityPolicies = policies
    
    // Configure monitoring
    monitoring, err := edl.monitoringSystem.ConfigureForEnvironment(env)
    if err != nil {
        return nil, err
    }
    env.MonitoringConfig = monitoring
    
    return env, nil
}

func (edl *EnterpriseDevOpsLab) setupBaseInfrastructure() error {
    // Network infrastructure
    if err := edl.setupNetworking(); err != nil {
        return err
    }
    
    // Storage infrastructure
    if err := edl.setupStorage(); err != nil {
        return err
    }
    
    // Security infrastructure
    if err := edl.setupSecurity(); err != nil {
        return err
    }
    
    // Monitoring infrastructure
    if err := edl.setupMonitoring(); err != nil {
        return err
    }
    
    return nil
}

package infrastructure

import (
    "context"
    "encoding/json"
    "fmt"
    "os/exec"
    "path/filepath"
    
    "github.com/hashicorp/terraform-exec/tfexec"
    "github.com/pulumi/pulumi/sdk/v3/go/pulumi"
)

type InfrastructureManager struct {
    terraformExecutor *tfexec.Terraform
    pulumiStack      *pulumi.Stack
    ansibleExecutor  *AnsibleExecutor
    gitOpsController *GitOpsController
    secretsManager   *SecretsManager
}

type TerraformStack struct {
    Name         string
    Provider     string
    Region       string
    Resources    map[string]*Resource
    Variables    map[string]interface{}
    Outputs      map[string]interface{}
    State        *TerraformState
}

func (im *InfrastructureManager) CreateMultiCloudInfrastructure(config *InfrastructureConfig) error {
    // AWS Infrastructure
    if config.IncludesAWS() {
        awsStack, err := im.createAWSInfrastructure(config.AWS)
        if err != nil {
            return fmt.Errorf("failed to create AWS infrastructure: %w", err)
        }
        config.Stacks["aws"] = awsStack
    }
    
    // Azure Infrastructure
    if config.IncludesAzure() {
        azureStack, err := im.createAzureInfrastructure(config.Azure)
        if err != nil {
            return fmt.Errorf("failed to create Azure infrastructure: %w", err)
        }
        config.Stacks["azure"] = azureStack
    }
    
    // GCP Infrastructure
    if config.IncludesGCP() {
        gcpStack, err := im.createGCPInfrastructure(config.GCP)
        if err != nil {
            return fmt.Errorf("failed to create GCP infrastructure: %w", err)
        }
        config.Stacks["gcp"] = gcpStack
    }
    
    // On-premises Infrastructure
    if config.IncludesOnPrem() {
        onPremStack, err := im.createOnPremInfrastructure(config.OnPrem)
        if err != nil {
            return fmt.Errorf("failed to create on-premises infrastructure: %w", err)
        }
        config.Stacks["onprem"] = onPremStack
    }
    
    return nil
}

func (im *InfrastructureManager) createAWSInfrastructure(config *AWSConfig) (*TerraformStack, error) {
    terraformCode := fmt.Sprintf(`
terraform {
  required_providers {
    aws = {
      source  = "hashicorp/aws"
      version = "~> 5.0"
    }
  }
  
  backend "s3" {
    bucket = "%s"
    key    = "devops-lab/terraform.tfstate"
    region = "%s"
  }
}

provider "aws" {
  region = "%s"
  
  default_tags {
    tags = {
      Environment   = "%s"
      Project      = "devops-lab"
      ManagedBy    = "terraform"
      Organization = "%s"
    }
  }
}

# VPC and Networking
resource "aws_vpc" "lab_vpc" {
  cidr_block           = "%s"
  enable_dns_hostnames = true
  enable_dns_support   = true
  
  tags = {
    Name = "devops-lab-vpc"
  }
}

resource "aws_subnet" "private_subnets" {
  count             = length(var.availability_zones)
  vpc_id            = aws_vpc.lab_vpc.id
  cidr_block        = cidrsubnet(aws_vpc.lab_vpc.cidr_block, 8, count.index)
  availability_zone = var.availability_zones[count.index]
  
  tags = {
    Name = "devops-lab-private-subnet-${count.index + 1}"
    Type = "private"
  }
}

resource "aws_subnet" "public_subnets" {
  count                   = length(var.availability_zones)
  vpc_id                  = aws_vpc.lab_vpc.id
  cidr_block              = cidrsubnet(aws_vpc.lab_vpc.cidr_block, 8, count.index + 10)
  availability_zone       = var.availability_zones[count.index]
  map_public_ip_on_launch = true
  
  tags = {
    Name = "devops-lab-public-subnet-${count.index + 1}"
    Type = "public"
  }
}

# Internet Gateway
resource "aws_internet_gateway" "lab_igw" {
  vpc_id = aws_vpc.lab_vpc.id
  
  tags = {
    Name = "devops-lab-igw"
  }
}

# NAT Gateways
resource "aws_eip" "nat_eips" {
  count  = length(aws_subnet.public_subnets)
  domain = "vpc"
  
  tags = {
    Name = "devops-lab-nat-eip-${count.index + 1}"
  }
}

resource "aws_nat_gateway" "nat_gateways" {
  count         = length(aws_subnet.public_subnets)
  allocation_id = aws_eip.nat_eips[count.index].id
  subnet_id     = aws_subnet.public_subnets[count.index].id
  
  tags = {
    Name = "devops-lab-nat-gateway-${count.index + 1}"
  }
  
  depends_on = [aws_internet_gateway.lab_igw]
}

# EKS Cluster
resource "aws_eks_cluster" "lab_cluster" {
  name     = "devops-lab-cluster"
  role_arn = aws_iam_role.cluster_role.arn
  version  = "%s"
  
  vpc_config {
    subnet_ids              = concat(aws_subnet.private_subnets[*].id, aws_subnet.public_subnets[*].id)
    endpoint_private_access = true
    endpoint_public_access  = true
    public_access_cidrs     = var.allowed_cidr_blocks
  }
  
  encryption_config {
    provider {
      key_arn = aws_kms_key.eks_encryption.arn
    }
    resources = ["secrets"]
  }
  
  enabled_cluster_log_types = ["api", "audit", "authenticator", "controllerManager", "scheduler"]
  
  depends_on = [
    aws_iam_role_policy_attachment.cluster_AmazonEKSClusterPolicy,
  ]
  
  tags = {
    Name = "devops-lab-eks-cluster"
  }
}

# EKS Node Groups
resource "aws_eks_node_group" "lab_nodes" {
  cluster_name    = aws_eks_cluster.lab_cluster.name
  node_group_name = "devops-lab-nodes"
  node_role_arn   = aws_iam_role.node_role.arn
  subnet_ids      = aws_subnet.private_subnets[*].id
  
  instance_types = ["%s"]
  ami_type       = "AL2_x86_64"
  capacity_type  = "ON_DEMAND"
  disk_size      = 50
  
  scaling_config {
    desired_size = %d
    max_size     = %d
    min_size     = %d
  }
  
  update_config {
    max_unavailable = 1
  }
  
  labels = {
    Environment = "%s"
    NodeGroup   = "devops-lab-nodes"
  }
  
  tags = {
    Name = "devops-lab-node-group"
  }
  
  depends_on = [
    aws_iam_role_policy_attachment.node_AmazonEKSWorkerNodePolicy,
    aws_iam_role_policy_attachment.node_AmazonEKS_CNI_Policy,
    aws_iam_role_policy_attachment.node_AmazonEC2ContainerRegistryReadOnly,
  ]
}

# RDS Instance for development databases
resource "aws_db_instance" "lab_database" {
  identifier     = "devops-lab-db"
  engine         = "postgres"
  engine_version = "15.4"
  instance_class = "db.t3.micro"
  
  allocated_storage     = 20
  max_allocated_storage = 100
  storage_type          = "gp2"
  storage_encrypted     = true
  
  db_name  = "devopslab"
  username = "labuser"
  password = var.db_password
  
  vpc_security_group_ids = [aws_security_group.database_sg.id]
  db_subnet_group_name   = aws_db_subnet_group.lab_db_subnet_group.name
  
  backup_retention_period = 7
  backup_window          = "03:00-04:00"
  maintenance_window     = "sun:04:00-sun:05:00"
  
  skip_final_snapshot = true
  deletion_protection = false
  
  tags = {
    Name = "devops-lab-database"
  }
}

# ElastiCache Redis for caching
resource "aws_elasticache_subnet_group" "lab_cache_subnet_group" {
  name       = "devops-lab-cache-subnet-group"
  subnet_ids = aws_subnet.private_subnets[*].id
}

resource "aws_elasticache_replication_group" "lab_redis" {
  replication_group_id       = "devops-lab-redis"
  description                = "Redis cluster for DevOps lab"
  
  port                       = 6379
  parameter_group_name       = "default.redis7"
  node_type                  = "cache.t3.micro"
  num_cache_clusters         = 2
  
  subnet_group_name          = aws_elasticache_subnet_group.lab_cache_subnet_group.name
  security_group_ids         = [aws_security_group.cache_sg.id]
  
  at_rest_encryption_enabled = true
  transit_encryption_enabled = true
  
  tags = {
    Name = "devops-lab-redis"
  }
}

# Application Load Balancer
resource "aws_lb" "lab_alb" {
  name               = "devops-lab-alb"
  internal           = false
  load_balancer_type = "application"
  security_groups    = [aws_security_group.alb_sg.id]
  subnets            = aws_subnet.public_subnets[*].id
  
  enable_deletion_protection = false
  
  access_logs {
    bucket  = aws_s3_bucket.lab_logs.bucket
    prefix  = "alb-logs"
    enabled = true
  }
  
  tags = {
    Name = "devops-lab-alb"
  }
}

# S3 Buckets
resource "aws_s3_bucket" "lab_artifacts" {
  bucket = "%s-artifacts"
  
  tags = {
    Name = "devops-lab-artifacts"
    Type = "artifacts"
  }
}

resource "aws_s3_bucket" "lab_logs" {
  bucket = "%s-logs"
  
  tags = {
    Name = "devops-lab-logs"
    Type = "logs"
  }
}

# Outputs
output "vpc_id" {
  value = aws_vpc.lab_vpc.id
}

output "eks_cluster_endpoint" {
  value = aws_eks_cluster.lab_cluster.endpoint
}

output "eks_cluster_name" {
  value = aws_eks_cluster.lab_cluster.name
}

output "database_endpoint" {
  value = aws_db_instance.lab_database.endpoint
}

output "redis_endpoint" {
  value = aws_elasticache_replication_group.lab_redis.primary_endpoint_address
}

output "alb_dns_name" {
  value = aws_lb.lab_alb.dns_name
}
`, config.S3Backend.Bucket, config.Region, config.Region, config.Environment, 
config.Organization, config.VPCCidr, config.KubernetesVersion, 
config.InstanceType, config.DesiredCapacity, config.MaxCapacity, 
config.MinCapacity, config.Environment, config.S3Buckets.Artifacts, 
config.S3Buckets.Logs)
    
    // Write Terraform configuration
    if err := im.writeTerraformConfig("aws", terraformCode); err != nil {
        return nil, err
    }
    
    // Execute Terraform
    if err := im.executeTerraform("aws", "apply"); err != nil {
        return nil, err
    }
    
    return &TerraformStack{
        Name:     "aws-devops-lab",
        Provider: "aws",
        Region:   config.Region,
    }, nil
}

# kubernetes-enterprise-lab.yaml
apiVersion: v1
kind: Namespace
metadata:
  name: devops-lab
  labels:
    name: devops-lab
    environment: development
    security-level: high
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: devops-lab-admin
  namespace: devops-lab
  annotations:
    eks.amazonaws.com/role-arn: arn:aws:iam::ACCOUNT:role/DevOpsLabAdminRole
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: devops-lab-admin
rules:
- apiGroups: ["*"]
  resources: ["*"]
  verbs: ["*"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: devops-lab-admin-binding
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: devops-lab-admin
subjects:
- kind: ServiceAccount
  name: devops-lab-admin
  namespace: devops-lab
---
# Network Policies
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: devops-lab-network-policy
  namespace: devops-lab
spec:
  podSelector: {}
  policyTypes:
  - Ingress
  - Egress
  ingress:
  - from:
    - namespaceSelector:
        matchLabels:
          name: devops-lab
    - namespaceSelector:
        matchLabels:
          name: monitoring
    - namespaceSelector:
        matchLabels:
          name: security
  egress:
  - to: []
    ports:
    - protocol: TCP
      port: 53
    - protocol: UDP
      port: 53
  - to:
    - namespaceSelector:
        matchLabels:
          name: devops-lab
  - to: []
    ports:
    - protocol: TCP
      port: 443
    - protocol: TCP
      port: 80
---
# Resource Quotas
apiVersion: v1
kind: ResourceQuota
metadata:
  name: devops-lab-quota
  namespace: devops-lab
spec:
  hard:
    requests.cpu: "10"
    requests.memory: 20Gi
    limits.cpu: "20"
    limits.memory: 40Gi
    persistentvolumeclaims: "10"
    pods: "20"
    services: "10"
    secrets: "20"
    configmaps: "20"
---
# Limit Ranges
apiVersion: v1
kind: LimitRange
metadata:
  name: devops-lab-limits
  namespace: devops-lab
spec:
  limits:
  - default:
      cpu: "500m"
      memory: "1Gi"
    defaultRequest:
      cpu: "100m"
      memory: "256Mi"
    type: Container
  - max:
      cpu: "2"
      memory: "4Gi"
    min:
      cpu: "50m"
      memory: "128Mi"
    type: Container
  - max:
      storage: "10Gi"
    min:
      storage: "1Gi"
    type: PersistentVolumeClaim
---
# Pod Security Standards
apiVersion: v1
kind: Namespace
metadata:
  name: devops-lab-secure
  labels:
    pod-security.kubernetes.io/enforce: restricted
    pod-security.kubernetes.io/audit: restricted
    pod-security.kubernetes.io/warn: restricted
---
# Jenkins with Enterprise Configuration
apiVersion: apps/v1
kind: Deployment
metadata:
  name: jenkins-enterprise
  namespace: devops-lab
  labels:
    app: jenkins
    tier: ci-cd
spec:
  replicas: 1
  selector:
    matchLabels:
      app: jenkins
  template:
    metadata:
      labels:
        app: jenkins
      annotations:
        prometheus.io/scrape: "true"
        prometheus.io/port: "8080"
        prometheus.io/path: "/prometheus"
    spec:
      serviceAccountName: devops-lab-admin
      securityContext:
        runAsNonRoot: true
        runAsUser: 1000
        fsGroup: 1000
        seccompProfile:
          type: RuntimeDefault
      containers:
      - name: jenkins
        image: jenkins/jenkins:2.426.1-lts
        ports:
        - containerPort: 8080
          name: http
        - containerPort: 50000
          name: agent
        env:
        - name: JAVA_OPTS
          value: >-
            -Djenkins.install.runSetupWizard=false
            -Dhudson.model.DirectoryBrowserSupport.CSP="default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; style-src 'self' 'unsafe-inline';"
            -Dhudson.security.csrf.GlobalCrumbIssuerConfiguration.DISABLE_CSRF_PROTECTION=false
            -Djenkins.security.ManagePermission=true
        - name: CASC_JENKINS_CONFIG
          value: /var/jenkins_home/casc_configs
        volumeMounts:
        - name: jenkins-home
          mountPath: /var/jenkins_home
        - name: jenkins-config
          mountPath: /var/jenkins_home/casc_configs
        - name: docker-sock
          mountPath: /var/run/docker.sock
        securityContext:
          allowPrivilegeEscalation: false
          readOnlyRootFilesystem: false
          runAsNonRoot: true
          capabilities:
            drop:
            - ALL
        resources:
          requests:
            cpu: 500m
            memory: 1Gi
          limits:
            cpu: 2
            memory: 4Gi
        livenessProbe:
          httpGet:
            path: /login
            port: 8080
          initialDelaySeconds: 60
          periodSeconds: 10
        readinessProbe:
          httpGet:
            path: /login
            port: 8080
          initialDelaySeconds: 30
          periodSeconds: 5
      volumes:
      - name: jenkins-home
        persistentVolumeClaim:
          claimName: jenkins-pvc
      - name: jenkins-config
        configMap:
          name: jenkins-config
      - name: docker-sock
        hostPath:
          path: /var/run/docker.sock
---
# Jenkins Service
apiVersion: v1
kind: Service
metadata:
  name: jenkins-service
  namespace: devops-lab
  labels:
    app: jenkins
spec:
  type: LoadBalancer
  ports:
  - port: 80
    targetPort: 8080
    name: http
  - port: 50000
    targetPort: 50000
    name: agent
  selector:
    app: jenkins
---
# GitLab with Enterprise Features
apiVersion: apps/v1
kind: Deployment
metadata:
  name: gitlab-enterprise
  namespace: devops-lab
  labels:
    app: gitlab
    tier: git
spec:
  replicas: 1
  selector:
    matchLabels:
      app: gitlab
  template:
    metadata:
      labels:
        app: gitlab
    spec:
      serviceAccountName: devops-lab-admin
      containers:
      - name: gitlab
        image: gitlab/gitlab-ee:16.6.1-ee.0
        ports:
        - containerPort: 80
          name: http
        - containerPort: 443
          name: https
        - containerPort: 22
          name: ssh
        env:
        - name: GITLAB_OMNIBUS_CONFIG
          value: |
            external_url 'https://gitlab.devops-lab.local'
            nginx['listen_port'] = 80
            nginx['listen_https'] = false
            gitlab_rails['gitlab_shell_ssh_port'] = 22
            gitlab_rails['monitoring_whitelist'] = ['0.0.0.0/0']
            gitlab_rails['gitlab_default_projects_features_issues'] = true
            gitlab_rails['gitlab_default_projects_features_merge_requests'] = true
            gitlab_rails['gitlab_default_projects_features_wiki'] = true
            gitlab_rails['gitlab_default_projects_features_snippets'] = true
            gitlab_rails['gitlab_default_projects_features_builds'] = true
            gitlab_rails['gitlab_default_projects_features_container_registry'] = true
            registry_external_url 'https://registry.devops-lab.local'
            prometheus['enable'] = true
            alertmanager['enable'] = true
            grafana['enable'] = true
        volumeMounts:
        - name: gitlab-data
          mountPath: /var/opt/gitlab
        - name: gitlab-logs
          mountPath: /var/log/gitlab
        - name: gitlab-config
          mountPath: /etc/gitlab
        resources:
          requests:
            cpu: 1
            memory: 4Gi
          limits:
            cpu: 4
            memory: 8Gi
      volumes:
      - name: gitlab-data
        persistentVolumeClaim:
          claimName: gitlab-data-pvc
      - name: gitlab-logs
        persistentVolumeClaim:
          claimName: gitlab-logs-pvc
      - name: gitlab-config
        persistentVolumeClaim:
          claimName: gitlab-config-pvc

package helm

import (
    "context"
    "fmt"
    "path/filepath"
    
    "helm.sh/helm/v3/pkg/action"
    "helm.sh/helm/v3/pkg/chart/loader"
    "helm.sh/helm/v3/pkg/cli"
    "helm.sh/helm/v3/pkg/getter"
    "helm.sh/helm/v3/pkg/repo"
)

type EnterpriseHelmManager struct {
    settings      *cli.EnvSettings
    actionConfig  *action.Configuration
    repositories  map[string]*repo.Entry
    charts        map[string]*Chart
}

type Chart struct {
    Name         string
    Version      string
    Repository   string
    Values       map[string]interface{}
    Namespace    string
    Dependencies []string
}

func NewEnterpriseHelmManager() *EnterpriseHelmManager {
    settings := cli.New()
    
    return &EnterpriseHelmManager{
        settings:     settings,
        repositories: make(map[string]*repo.Entry),
        charts:       make(map[string]*Chart),
    }
}

func (ehm *EnterpriseHelmManager) InstallEnterpriseStack() error {
    // Add enterprise repositories
    repos := map[string]string{
        "prometheus-community": "https://prometheus-community.github.io/helm-charts",
        "grafana":              "https://grafana.github.io/helm-charts",
        "elastic":              "https://helm.elastic.co",
        "jetstack":             "https://charts.jetstack.io",
        "ingress-nginx":        "https://kubernetes.github.io/ingress-nginx",
        "hashicorp":            "https://helm.releases.hashicorp.com",
        "bitnami":              "https://charts.bitnami.com/bitnami",
        "argo":                 "https://argoproj.github.io/argo-helm",
    }
    
    for name, url := range repos {
        if err := ehm.addRepository(name, url); err != nil {
            return fmt.Errorf("failed to add repository %s: %w", name, err)
        }
    }
    
    // Define enterprise chart configurations
    charts := []*Chart{
        {
            Name:       "prometheus",
            Version:    "25.8.0",
            Repository: "prometheus-community",
            Namespace:  "monitoring",
            Values: map[string]interface{}{
                "prometheus": map[string]interface{}{
                    "prometheusSpec": map[string]interface{}{
                        "retention":    "30d",
                        "storageSpec": map[string]interface{}{
                            "volumeClaimTemplate": map[string]interface{}{
                                "spec": map[string]interface{}{
                                    "accessModes": []string{"ReadWriteOnce"},
                                    "resources": map[string]interface{}{
                                        "requests": map[string]interface{}{
                                            "storage": "50Gi",
                                        },
                                    },
                                },
                            },
                        },
                    },
                },
                "grafana": map[string]interface{}{
                    "enabled": true,
                    "adminPassword": "admin123",
                    "persistence": map[string]interface{}{
                        "enabled": true,
                        "size":    "10Gi",
                    },
                },
                "alertmanager": map[string]interface{}{
                    "enabled": true,
                    "alertmanagerSpec": map[string]interface{}{
                        "storage": map[string]interface{}{
                            "volumeClaimTemplate": map[string]interface{}{
                                "spec": map[string]interface{}{
                                    "accessModes": []string{"ReadWriteOnce"},
                                    "resources": map[string]interface{}{
                                        "requests": map[string]interface{}{
                                            "storage": "10Gi",
                                        },
                                    },
                                },
                            },
                        },
                    },
                },
            },
        },
        {
            Name:       "loki",
            Version:    "5.41.4",
            Repository: "grafana",
            Namespace:  "logging",
            Values: map[string]interface{}{
                "loki": map[string]interface{}{
                    "persistence": map[string]interface{}{
                        "enabled": true,
                        "size":    "100Gi",
                    },
                    "config": map[string]interface{}{
                        "limits_config": map[string]interface{}{
                            "retention_period": "720h",
                        },
                    },
                },
                "promtail": map[string]interface{}{
                    "enabled": true,
                },
            },
        },
        {
            Name:       "elasticsearch",
            Version:    "8.11.0",
            Repository: "elastic",
            Namespace:  "logging",
            Values: map[string]interface{}{
                "replicas":        3,
                "minimumMasterNodes": 2,
                "persistence": map[string]interface{}{
                    "enabled": true,
                    "size":    "100Gi",
                },
                "resources": map[string]interface{}{
                    "requests": map[string]interface{}{
                        "cpu":    "1000m",
                        "memory": "2Gi",
                    },
                    "limits": map[string]interface{}{
                        "cpu":    "2000m",
                        "memory": "4Gi",
                    },
                },
            },
        },
        {
            Name:       "cert-manager",
            Version:    "1.13.2",
            Repository: "jetstack",
            Namespace:  "cert-manager",
            Values: map[string]interface{}{
                "installCRDs": true,
                "prometheus": map[string]interface{}{
                    "enabled": true,
                },
            },
        },
        {
            Name:       "ingress-nginx",
            Version:    "4.8.3",
            Repository: "ingress-nginx",
            Namespace:  "ingress-nginx",
            Values: map[string]interface{}{
                "controller": map[string]interface{}{
                    "metrics": map[string]interface{}{
                        "enabled": true,
                        "serviceMonitor": map[string]interface{}{
                            "enabled": true,
                        },
                    },
                    "podAnnotations": map[string]interface{}{
                        "prometheus.io/scrape": "true",
                        "prometheus.io/port":   "10254",
                    },
                },
            },
        },
        {
            Name:       "vault",
            Version:    "0.27.0",
            Repository: "hashicorp",
            Namespace:  "security",
            Values: map[string]interface{}{
                "server": map[string]interface{}{
                    "ha": map[string]interface{}{
                        "enabled": true,
                        "replicas": 3,
                    },
                    "dataStorage": map[string]interface{}{
                        "enabled": true,
                        "size":    "10Gi",
                    },
                },
                "ui": map[string]interface{}{
                    "enabled": true,
                },
            },
        },
        {
            Name:       "argo-cd",
            Version:    "5.51.6",
            Repository: "argo",
            Namespace:  "argocd",
            Values: map[string]interface{}{
                "server": map[string]interface{}{
                    "metrics": map[string]interface{}{
                        "enabled": true,
                        "serviceMonitor": map[string]interface{}{
                            "enabled": true,
                        },
                    },
                },
                "repoServer": map[string]interface{}{
                    "metrics": map[string]interface{}{
                        "enabled": true,
                        "serviceMonitor": map[string]interface{}{
                            "enabled": true,
                        },
                    },
                },
                "applicationSet": map[string]interface{}{
                    "metrics": map[string]interface{}{
                        "enabled": true,
                        "serviceMonitor": map[string]interface{}{
                            "enabled": true,
                        },
                    },
                },
            },
        },
    }
    
    // Install charts
    for _, chart := range charts {
        if err := ehm.installChart(chart); err != nil {
            return fmt.Errorf("failed to install chart %s: %w", chart.Name, err)
        }
        ehm.charts[chart.Name] = chart
    }
    
    return nil
}

func (ehm *EnterpriseHelmManager) installChart(chart *Chart) error {
    // Create namespace if it doesn't exist
    if err := ehm.createNamespace(chart.Namespace); err != nil {
        return err
    }
    
    // Setup action configuration for the namespace
    actionConfig := new(action.Configuration)
    if err := actionConfig.Init(ehm.settings.RESTClientGetter(), chart.Namespace, "secret", nil); err != nil {
        return err
    }
    
    // Create install action
    client := action.NewInstall(actionConfig)
    client.Namespace = chart.Namespace
    client.ReleaseName = chart.Name
    client.Version = chart.Version
    
    // Add repository and update
    if err := ehm.updateRepository(chart.Repository); err != nil {
        return err
    }
    
    // Locate chart
    cp, err := client.ChartPathOptions.LocateChart(fmt.Sprintf("%s/%s", chart.Repository, chart.Name), ehm.settings)
    if err != nil {
        return err
    }
    
    // Load chart
    chartRequested, err := loader.Load(cp)
    if err != nil {
        return err
    }
    
    // Install chart
    _, err = client.Run(chartRequested, chart.Values)
    return err
}

# terraform/modules/enterprise-devops-lab/main.tf
terraform {
  required_version = ">= 1.0"
  
  required_providers {
    aws = {
      source  = "hashicorp/aws"
      version = "~> 5.0"
    }
    kubernetes = {
      source  = "hashicorp/kubernetes"
      version = "~> 2.23"
    }
    helm = {
      source  = "hashicorp/helm"
      version = "~> 2.11"
    }
    random = {
      source  = "hashicorp/random"
      version = "~> 3.1"
    }
    tls = {
      source  = "hashicorp/tls"
      version = "~> 4.0"
    }
  }
}

# Local values for consistent naming and tagging
locals {
  common_tags = merge(var.tags, {
    Environment   = var.environment
    Project      = "devops-lab"
    ManagedBy    = "terraform"
    Owner        = var.owner
    CostCenter   = var.cost_center
    Compliance   = var.compliance_framework
  })
  
  name_prefix = "${var.organization}-${var.environment}-devops-lab"
}

# Data sources
data "aws_availability_zones" "available" {
  state = "available"
}

data "aws_caller_identity" "current" {}

data "aws_region" "current" {}

# KMS Key for encryption
resource "aws_kms_key" "lab_encryption" {
  description             = "KMS key for DevOps Lab encryption"
  deletion_window_in_days = var.kms_deletion_window
  enable_key_rotation     = true
  
  policy = jsonencode({
    Version = "2012-10-17"
    Statement = [
      {
        Sid    = "Enable IAM User Permissions"
        Effect = "Allow"
        Principal = {
          AWS = "arn:aws:iam::${data.aws_caller_identity.current.account_id}:root"
        }
        Action   = "kms:*"
        Resource = "*"
      },
      {
        Sid    = "Allow DevOps Lab Services"
        Effect = "Allow"
        Principal = {
          Service = [
            "eks.amazonaws.com",
            "rds.amazonaws.com",
            "s3.amazonaws.com",
            "secretsmanager.amazonaws.com"
          ]
        }
        Action = [
          "kms:Decrypt",
          "kms:GenerateDataKey*",
          "kms:CreateGrant",
          "kms:DescribeKey"
        ]
        Resource = "*"
      }
    ]
  })
  
  tags = merge(local.common_tags, {
    Name = "${local.name_prefix}-encryption-key"
  })
}

resource "aws_kms_alias" "lab_encryption" {
  name          = "alias/${local.name_prefix}-encryption"
  target_key_id = aws_kms_key.lab_encryption.key_id
}

# VPC Module
module "vpc" {
  source = "./modules/vpc"
  
  name_prefix = local.name_prefix
  cidr_block  = var.vpc_cidr
  
  availability_zones     = slice(data.aws_availability_zones.available.names, 0, var.az_count)
  private_subnet_cidrs   = var.private_subnet_cidrs
  public_subnet_cidrs    = var.public_subnet_cidrs
  database_subnet_cidrs  = var.database_subnet_cidrs
  
  enable_nat_gateway     = var.enable_nat_gateway
  enable_dns_hostnames   = true
  enable_dns_support     = true
  enable_flow_logs       = var.enable_vpc_flow_logs
  
  tags = local.common_tags
}

# Security Groups Module
module "security_groups" {
  source = "./modules/security-groups"
  
  name_prefix = local.name_prefix
  vpc_id      = module.vpc.vpc_id
  vpc_cidr    = var.vpc_cidr
  
  allowed_cidr_blocks = var.allowed_cidr_blocks
  office_ip_ranges    = var.office_ip_ranges
  
  tags = local.common_tags
}

# EKS Module
module "eks" {
  source = "./modules/eks"
  
  cluster_name    = "${local.name_prefix}-cluster"
  cluster_version = var.kubernetes_version
  
  vpc_id                    = module.vpc.vpc_id
  subnet_ids                = module.vpc.private_subnet_ids
  control_plane_subnet_ids  = module.vpc.public_subnet_ids
  
  cluster_security_group_id = module.security_groups.eks_cluster_sg_id
  node_security_group_id    = module.security_groups.eks_node_sg_id
  
  kms_key_id = aws_kms_key.lab_encryption.arn
  
  # Node groups configuration
  node_groups = var.node_groups
  
  # Add-ons
  cluster_addons = {
    coredns = {
      resolve_conflicts = "OVERWRITE"
      addon_version     = var.coredns_version
    }
    kube-proxy = {
      resolve_conflicts = "OVERWRITE"
      addon_version     = var.kube_proxy_version
    }
    vpc-cni = {
      resolve_conflicts = "OVERWRITE"
      addon_version     = var.vpc_cni_version
      configuration_values = jsonencode({
        env = {
          ENABLE_PREFIX_DELEGATION = "true"
          WARM_PREFIX_TARGET       = "1"
        }
      })
    }
    aws-ebs-csi-driver = {
      resolve_conflicts = "OVERWRITE"
      addon_version     = var.ebs_csi_version
    }
  }
  
  # IRSA roles
  enable_irsa = true
  
  tags = local.common_tags
}

# RDS Module
module "rds" {
  source = "./modules/rds"
  
  identifier = "${local.name_prefix}-database"
  
  engine         = var.db_engine
  engine_version = var.db_engine_version
  instance_class = var.db_instance_class
  
  allocated_storage     = var.db_allocated_storage
  max_allocated_storage = var.db_max_allocated_storage
  storage_type          = var.db_storage_type
  storage_encrypted     = true
  kms_key_id           = aws_kms_key.lab_encryption.arn
  
  db_name  = var.db_name
  username = var.db_username
  password = var.db_password
  
  vpc_security_group_ids = [module.security_groups.database_sg_id]
  db_subnet_group_name   = module.vpc.database_subnet_group_name
  
  backup_retention_period = var.db_backup_retention_period
  backup_window          = var.db_backup_window
  maintenance_window     = var.db_maintenance_window
  
  performance_insights_enabled = var.db_performance_insights_enabled
  monitoring_interval         = var.db_monitoring_interval
  
  deletion_protection = var.db_deletion_protection
  
  tags = local.common_tags
}

# ElastiCache Module
module "elasticache" {
  source = "./modules/elasticache"
  
  cluster_id = "${local.name_prefix}-redis"
  
  engine               = "redis"
  node_type           = var.redis_node_type
  num_cache_nodes     = var.redis_num_cache_nodes
  parameter_group_name = var.redis_parameter_group_name
  port                = 6379
  
  subnet_group_name   = module.vpc.elasticache_subnet_group_name
  security_group_ids  = [module.security_groups.elasticache_sg_id]
  
  at_rest_encryption_enabled = true
  transit_encryption_enabled = true
  auth_token                 = var.redis_auth_token
  
  tags = local.common_tags
}

# S3 Buckets Module
module "s3" {
  source = "./modules/s3"
  
  name_prefix = local.name_prefix
  
  buckets = {
    artifacts = {
      versioning_enabled = true
      lifecycle_rules = [
        {
          id     = "artifacts_lifecycle"
          status = "Enabled"
          transitions = [
            {
              days          = 30
              storage_class = "STANDARD_IA"
            },
            {
              days          = 90
              storage_class = "GLACIER"
            }
          ]
          expiration = {
            days = 365
          }
        }
      ]
    }
    logs = {
      versioning_enabled = false
      lifecycle_rules = [
        {
          id     = "logs_lifecycle"
          status = "Enabled"
          expiration = {
            days = 90
          }
        }
      ]
    }
    backups = {
      versioning_enabled = true
      lifecycle_rules = [
        {
          id     = "backups_lifecycle"
          status = "Enabled"
          transitions = [
            {
              days          = 7
              storage_class = "GLACIER"
            },
            {
              days          = 30
              storage_class = "DEEP_ARCHIVE"
            }
          ]
        }
      ]
    }
  }
  
  kms_key_id = aws_kms_key.lab_encryption.arn
  
  tags = local.common_tags
}

# IAM Module
module "iam" {
  source = "./modules/iam"
  
  name_prefix = local.name_prefix
  
  # DevOps team roles
  devops_team_users = var.devops_team_users
  
  # Service roles
  create_eks_service_role      = true
  create_rds_monitoring_role   = true
  create_backup_role          = true
  
  # IRSA roles for common services
  irsa_oidc_provider_arn = module.eks.oidc_provider_arn
  
  tags = local.common_tags
}

# Application Load Balancer
resource "aws_lb" "lab_alb" {
  name               = "${local.name_prefix}-alb"
  internal           = false
  load_balancer_type = "application"
  security_groups    = [module.security_groups.alb_sg_id]
  subnets            = module.vpc.public_subnet_ids
  
  enable_deletion_protection = var.alb_deletion_protection
  
  access_logs {
    bucket  = module.s3.bucket_names["logs"]
    prefix  = "alb-logs"
    enabled = var.alb_access_logs_enabled
  }
  
  tags = merge(local.common_tags, {
    Name = "${local.name_prefix}-alb"
  })
}

# Route53 Private Hosted Zone
resource "aws_route53_zone" "lab_private" {
  name = var.private_domain_name
  
  vpc {
    vpc_id = module.vpc.vpc_id
  }
  
  tags = merge(local.common_tags, {
    Name = "${local.name_prefix}-private-zone"
  })
}

# Outputs
output "vpc_id" {
  description = "ID of the VPC"
  value       = module.vpc.vpc_id
}

output "eks_cluster_endpoint" {
  description = "Endpoint for EKS control plane"
  value       = module.eks.cluster_endpoint
}

output "eks_cluster_name" {
  description = "Name of the EKS cluster"
  value       = module.eks.cluster_name
}

output "database_endpoint" {
  description = "RDS instance endpoint"
  value       = module.rds.db_instance_endpoint
  sensitive   = true
}

output "redis_endpoint" {
  description = "ElastiCache Redis endpoint"
  value       = module.elasticache.cache_cluster_address
  sensitive   = true
}

output "s3_bucket_names" {
  description = "Names of created S3 buckets"
  value       = module.s3.bucket_names
}

output "alb_dns_name" {
  description = "DNS name of the load balancer"
  value       = aws_lb.lab_alb.dns_name
}

output "private_hosted_zone_id" {
  description = "Route53 private hosted zone ID"
  value       = aws_route53_zone.lab_private.zone_id
}

# Enterprise DevOps Engineering Career Path

## Level 1: Junior DevOps Engineer (0-2 years)
**Core Competencies:**
- Basic understanding of CI/CD concepts
- Familiarity with containerization (Docker)
- Basic scripting skills (Bash, Python)
- Understanding of version control (Git)
- Basic cloud platform knowledge
- Linux system administration basics

**Key Technologies:**
- Docker and Docker Compose
- Jenkins or GitLab CI/CD
- Basic Kubernetes concepts
- AWS/Azure/GCP fundamentals
- Terraform basics
- Ansible fundamentals

**Projects:**
- Local DevOps lab setup
- Simple CI/CD pipeline creation
- Container orchestration with Docker Compose
- Basic infrastructure automation

**Salary Range:** $60,000 - $80,000

## Level 2: DevOps Engineer (2-5 years)
**Core Competencies:**
- Advanced CI/CD pipeline design
- Container orchestration with Kubernetes
- Infrastructure as Code proficiency
- Monitoring and observability
- Security best practices
- Cloud architecture design

**Key Technologies:**
- Advanced Kubernetes (RBAC, networking, storage)
- Terraform/Pulumi for IaC
- Helm for application deployment
- Prometheus/Grafana for monitoring
- ELK/EFK stack for logging
- GitOps with ArgoCD/Flux

**Projects:**
- Multi-environment Kubernetes clusters
- Complete observability stack implementation
- GitOps-based deployment workflows
- Infrastructure automation at scale

**Salary Range:** $80,000 - $110,000

## Level 3: Senior DevOps Engineer (5-8 years)
**Core Competencies:**
- Enterprise architecture design
- Platform engineering
- Advanced security and compliance
- Performance optimization
- Team leadership and mentoring
- Cost optimization strategies

**Key Technologies:**
- Service mesh (Istio, Linkerd)
- Advanced networking and security
- Multi-cloud strategies
- Advanced monitoring and APM
- Chaos engineering tools
- Policy as Code (OPA, Falco)

**Projects:**
- Enterprise platform design
- Multi-cloud deployment strategies
- Advanced security implementations
- Performance optimization initiatives

**Salary Range:** $110,000 - $140,000

## Level 4: Staff/Principal DevOps Engineer (8-12 years)
**Core Competencies:**
- Technical strategy and vision
- Cross-organizational collaboration
- Advanced problem-solving
- Innovation and research
- Technical mentoring across teams
- Business impact measurement

**Key Technologies:**
- Cutting-edge cloud technologies
- AI/ML operations (MLOps)
- Edge computing platforms
- Advanced automation frameworks
- Custom tooling development
- Enterprise integration patterns

**Projects:**
- Organization-wide platform strategy
- Next-generation architecture design
- Technology evaluation and adoption
- Cross-team technical initiatives

**Salary Range:** $140,000 - $180,000

## Level 5: DevOps Architect/Engineering Manager (12+ years)
**Leadership Tracks:**

### Technical Track - DevOps Architect
**Core Competencies:**
- Enterprise-wide technical vision
- Technology strategy and roadmap
- Cross-industry collaboration
- Innovation leadership
- Technical thought leadership

**Salary Range:** $180,000 - $250,000+

### Management Track - DevOps Engineering Manager
**Core Competencies:**
- Team leadership and development
- Strategic planning and execution
- Budget and resource management
- Stakeholder communication
- Organizational transformation

**Salary Range:** $160,000 - $220,000+

#!/bin/bash
# devops-career-development.sh

create_learning_roadmap() {
    cat > ~/devops-career/learning-roadmap.md << 'EOF'
# DevOps Career Development Roadmap

## Current Skill Assessment
- [ ] CI/CD Pipelines: Intermediate
- [ ] Container Orchestration: Advanced
- [ ] Infrastructure as Code: Intermediate
- [ ] Cloud Platforms: Advanced
- [ ] Monitoring/Observability: Intermediate
- [ ] Security: Beginner
- [ ] Networking: Intermediate

## 6-Month Goals
1. **Advanced Kubernetes**
   - CKA/CKAD/CKS certifications
   - Service mesh implementation
   - Advanced networking and security

2. **Security Specialization**
   - DevSecOps practices
   - Policy as Code implementation
   - Security scanning and compliance

3. **Platform Engineering**
   - Internal developer platforms
   - Self-service infrastructure
   - Developer experience optimization

## Learning Resources
- Hands-on labs and projects
- Industry certifications
- Conference talks and workshops
- Open source contributions
- Mentorship and peer learning

## Project Portfolio
1. **Multi-Cloud Platform**
   - Kubernetes clusters across AWS, Azure, GCP
   - GitOps deployment workflows
   - Comprehensive monitoring stack

2. **Security-First Infrastructure**
   - Zero-trust network architecture
   - Policy-driven security controls
   - Automated compliance scanning

3. **Developer Platform**
   - Self-service infrastructure provisioning
   - Automated application deployment
   - Integrated development workflows
EOF
}

setup_practice_environment() {
    echo "Setting up enterprise DevOps practice environment..."
    
    # Create directory structure
    mkdir -p ~/devops-practice/{terraform,kubernetes,ansible,scripts,docs}
    
    # Git repository setup
    cd ~/devops-practice
    git init
    git remote add origin https://github.com/your-username/devops-practice.git
    
    # Pre-commit hooks
    cat > .pre-commit-config.yaml << 'EOF'
repos:
  - repo: https://github.com/pre-commit/pre-commit-hooks
    rev: v4.4.0
    hooks:
      - id: trailing-whitespace
      - id: end-of-file-fixer
      - id: check-yaml
      - id: check-added-large-files
  
  - repo: https://github.com/antonbabenko/pre-commit-terraform
    rev: v1.81.0
    hooks:
      - id: terraform_fmt
      - id: terraform_validate
      - id: terraform_docs
      - id: terraform_tflint
  
  - repo: https://github.com/adrienverge/yamllint
    rev: v1.32.0
    hooks:
      - id: yamllint
EOF
    
    # Install pre-commit
    pre-commit install
    
    echo "Practice environment setup complete"
}

track_certifications() {
    cat > ~/devops-career/certifications.json << 'EOF'
{
  "current_certifications": [
    {
      "name": "AWS Solutions Architect Associate",
      "obtained": "2024-01-15",
      "expires": "2027-01-15",
      "status": "active"
    }
  ],
  "planned_certifications": [
    {
      "name": "CKA (Certified Kubernetes Administrator)",
      "target_date": "2024-06-30",
      "study_progress": 60,
      "study_hours": 45
    },
    {
      "name": "Terraform Associate",
      "target_date": "2024-09-30",
      "study_progress": 30,
      "study_hours": 20
    },
    {
      "name": "AWS DevOps Engineer Professional",
      "target_date": "2024-12-31",
      "study_progress": 0,
      "study_hours": 0
    }
  ],
  "continuing_education": {
    "conferences": [
      "KubeCon + CloudNativeCon 2024",
      "AWS re:Invent 2024",
      "DevOps World 2024"
    ],
    "courses": [
      "Advanced Kubernetes Administration",
      "Site Reliability Engineering",
      "Platform Engineering Fundamentals"
    ],
    "books": [
      "Building Secure and Reliable Systems",
      "The DevOps Handbook",
      "Platform Engineering on Kubernetes"
    ]
  }
}
EOF
}

measure_impact() {
    cat > ~/devops-career/impact-metrics.md << 'EOF'
# DevOps Impact Metrics

## Technical Achievements
- Reduced deployment time from 2 hours to 15 minutes (87.5% improvement)
- Increased deployment frequency from weekly to daily
- Achieved 99.9% application uptime
- Reduced infrastructure costs by 30% through optimization

## Business Impact
- Enabled faster feature delivery (50% reduction in time-to-market)
- Improved developer productivity (reduced environment setup from days to minutes)
- Enhanced security posture (implemented automated security scanning)
- Reduced operational overhead (automated 80% of manual tasks)

## Team Development
- Mentored 3 junior engineers
- Led cross-functional platform initiative
- Contributed to open source projects
- Presented at industry conferences

## Innovation Projects
- Implemented GitOps workflows organization-wide
- Designed self-service developer platform
- Led migration to cloud-native architecture
- Established chaos engineering practices
EOF
}

# Execute career development setup
create_learning_roadmap
setup_practice_environment
track_certifications
measure_impact

echo "DevOps career development framework initialized"