🐚 Container Orchestration in TuskLang - Bash Guide

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Container Orchestration in TuskLang - Bash Guide

🐳 Revolutionary Container Orchestration Configuration

Container orchestration in TuskLang transforms your configuration files into intelligent, distributed container management systems. No more manual container deployment or rigid scalingβ€”everything lives in your TuskLang configuration with dynamic container orchestration, intelligent resource management, and comprehensive container monitoring.

> "We don't bow to any king" – TuskLang container orchestration breaks free from traditional container management constraints and brings modern orchestration capabilities to your Bash applications.

πŸš€ Core Container Orchestration Directives

Basic Container Orchestration Setup

#container-orchestration: enabled        # Enable container orchestration
#co-enabled: true                       # Alternative syntax
#co-orchestrator: docker-swarm          # Orchestrator type
#co-cluster: true                       # Enable cluster mode
#co-scaling: true                       # Enable auto-scaling
#co-load-balancing: true                # Enable load balancing

Advanced Container Orchestration Configuration

#co-service-discovery: true             # Enable service discovery
#co-health-checking: true               # Enable health checking
#co-rolling-updates: true               # Enable rolling updates
#co-monitoring: true                    # Enable container monitoring
#co-logging: true                       # Enable centralized logging
#co-security: true                      # Enable container security

πŸ”§ Bash Container Orchestration Implementation

Basic Container Orchestrator

#!/bin/bash

Load container orchestration configuration

source <(tsk load container-orchestration.tsk)

Container orchestration configuration

CO_ENABLED="${co_enabled:-true}" CO_ORCHESTRATOR="${co_orchestrator:-docker-swarm}" CO_CLUSTER="${co_cluster:-true}" CO_SCALING="${co_scaling:-true}" CO_LOAD_BALANCING="${co_load_balancing:-true}"

Container orchestrator

class ContainerOrchestrator { constructor() { this.enabled = CO_ENABLED this.orchestrator = CO_ORCHESTRATOR this.cluster = CO_CLUSTER this.scaling = CO_SCALING this.loadBalancing = CO_LOAD_BALANCING this.services = new Map() this.nodes = new Map() this.stats = { services_deployed: 0, containers_running: 0, nodes_available: 0, scaling_events: 0 } } deployService(service) { if (!this.enabled) return null this.services.set(service.name, { ...service, status: 'deploying', replicas: service.replicas || 1, containers: [] }) this.stats.services_deployed++ // Deploy service based on orchestrator switch (this.orchestrator) { case 'docker-swarm': return this.deployToSwarm(service) case 'kubernetes': return this.deployToKubernetes(service) case 'nomad': return this.deployToNomad(service) default: return this.deployToDocker(service) } } deployToSwarm(service) { // Implementation for Docker Swarm deployment return { success: true, serviceId: 'swarm-service-id' } } deployToKubernetes(service) { // Implementation for Kubernetes deployment return { success: true, serviceId: 'k8s-service-id' } } deployToNomad(service) { // Implementation for Nomad deployment return { success: true, serviceId: 'nomad-service-id' } } deployToDocker(service) { // Implementation for Docker deployment return { success: true, serviceId: 'docker-service-id' } } scaleService(serviceName, replicas) { const service = this.services.get(serviceName) if (!service) return false service.replicas = replicas this.stats.scaling_events++ // Scale service based on orchestrator switch (this.orchestrator) { case 'docker-swarm': return this.scaleSwarmService(serviceName, replicas) case 'kubernetes': return this.scaleKubernetesService(serviceName, replicas) case 'nomad': return this.scaleNomadService(serviceName, replicas) default: return this.scaleDockerService(serviceName, replicas) } } getStats() { return { ...this.stats } } }

Initialize container orchestrator

const containerOrchestrator = new ContainerOrchestrator()

Dynamic Service Deployment

#!/bin/bash

Dynamic service deployment

deploy_service() { local service_name="$1" local image="$2" local replicas="${3:-1}" local orchestrator="${co_orchestrator:-docker-swarm}" case "$orchestrator" in "docker-swarm") deploy_to_swarm "$service_name" "$image" "$replicas" ;; "kubernetes") deploy_to_kubernetes "$service_name" "$image" "$replicas" ;; "nomad") deploy_to_nomad "$service_name" "$image" "$replicas" ;; *) deploy_to_docker "$service_name" "$image" "$replicas" ;; esac }

deploy_to_swarm() { local service_name="$1" local image="$2" local replicas="$3" # Deploy service to Docker Swarm docker service create \ --name "$service_name" \ --replicas "$replicas" \ --publish 80:80 \ "$image" echo "βœ“ Service deployed to Swarm: $service_name" }

deploy_to_kubernetes() { local service_name="$1" local image="$2" local replicas="$3" # Create Kubernetes deployment cat > "/tmp/k8s_${service_name}.yaml" << EOF apiVersion: apps/v1 kind: Deployment metadata: name: $service_name spec: replicas: $replicas selector: matchLabels: app: $service_name template: metadata: labels: app: $service_name spec: containers: - name: $service_name image: $image ports: - containerPort: 80 --- apiVersion: v1 kind: Service metadata: name: ${service_name}-service spec: selector: app: $service_name ports: - port: 80 targetPort: 80 type: LoadBalancer EOF # Apply deployment kubectl apply -f "/tmp/k8s_${service_name}.yaml" echo "βœ“ Service deployed to Kubernetes: $service_name" }

deploy_to_nomad() { local service_name="$1" local image="$2" local replicas="$3" # Create Nomad job specification cat > "/tmp/nomad_${service_name}.hcl" << EOF job "$service_name" { datacenters = ["dc1"] type = "service" group "$service_name" { count = $replicas network { port "http" { static = 80 } } task "$service_name" { driver = "docker" config { image = "$image" ports = ["http"] } resources { cpu = 500 memory = 512 } } } } EOF # Submit job nomad job run "/tmp/nomad_${service_name}.hcl" echo "βœ“ Service deployed to Nomad: $service_name" }

deploy_to_docker() { local service_name="$1" local image="$2" local replicas="$3" # Deploy multiple containers for replicas for ((i=1; i<=replicas; i++)); do local container_name="${service_name}_${i}" docker run -d \ --name "$container_name" \ --network bridge \ -p $((8080 + i)):80 \ "$image" done echo "βœ“ Service deployed to Docker: $service_name ($replicas replicas)" }

Service Scaling and Management

#!/bin/bash

Service scaling and management

scale_service() { local service_name="$1" local replicas="$2" local orchestrator="${co_orchestrator:-docker-swarm}" case "$orchestrator" in "docker-swarm") scale_swarm_service "$service_name" "$replicas" ;; "kubernetes") scale_kubernetes_service "$service_name" "$replicas" ;; "nomad") scale_nomad_service "$service_name" "$replicas" ;; *) scale_docker_service "$service_name" "$replicas" ;; esac }

scale_swarm_service() { local service_name="$1" local replicas="$2" # Scale Docker Swarm service docker service scale "$service_name=$replicas" echo "βœ“ Swarm service scaled: $service_name -> $replicas replicas" }

scale_kubernetes_service() { local service_name="$1" local replicas="$2" # Scale Kubernetes deployment kubectl scale deployment "$service_name" --replicas="$replicas" echo "βœ“ Kubernetes service scaled: $service_name -> $replicas replicas" }

scale_nomad_service() { local service_name="$1" local replicas="$2" # Scale Nomad job nomad job scale "$service_name" "$replicas" echo "βœ“ Nomad service scaled: $service_name -> $replicas replicas" }

scale_docker_service() { local service_name="$1" local replicas="$2" # Get current container count local current_count=$(docker ps --filter "name=${service_name}_" --format "table {{.Names}}" | wc -l) current_count=$((current_count - 1)) # Subtract header if [[ $replicas -gt $current_count ]]; then # Scale up local scale_up=$((replicas - current_count)) for ((i=1; i<=scale_up; i++)); do local container_name="${service_name}_$((current_count + i))" docker run -d --name "$container_name" --network bridge -p $((8080 + current_count + i)):80 "$image" done elif [[ $replicas -lt $current_count ]]; then # Scale down local scale_down=$((current_count - replicas)) for ((i=1; i<=scale_down; i++)); do local container_name="${service_name}_$((current_count - i + 1))" docker stop "$container_name" && docker rm "$container_name" done fi echo "βœ“ Docker service scaled: $service_name -> $replicas replicas" }

update_service() { local service_name="$1" local new_image="$2" local orchestrator="${co_orchestrator:-docker-swarm}" case "$orchestrator" in "docker-swarm") update_swarm_service "$service_name" "$new_image" ;; "kubernetes") update_kubernetes_service "$service_name" "$new_image" ;; "nomad") update_nomad_service "$service_name" "$new_image" ;; *) update_docker_service "$service_name" "$new_image" ;; esac }

update_swarm_service() { local service_name="$1" local new_image="$2" # Update Docker Swarm service docker service update --image "$new_image" "$service_name" echo "βœ“ Swarm service updated: $service_name -> $new_image" }

update_kubernetes_service() { local service_name="$1" local new_image="$2" # Update Kubernetes deployment kubectl set image deployment/"$service_name" "$service_name=$new_image" echo "βœ“ Kubernetes service updated: $service_name -> $new_image" }

update_nomad_service() { local service_name="$1" local new_image="$2" # Update Nomad job nomad job run -var="image=$new_image" "/tmp/nomad_${service_name}.hcl" echo "βœ“ Nomad service updated: $service_name -> $new_image" }

update_docker_service() { local service_name="$1" local new_image="$2" # Stop and remove old containers docker ps --filter "name=${service_name}_" --format "{{.Names}}" | xargs -r docker stop docker ps -a --filter "name=${service_name}_" --format "{{.Names}}" | xargs -r docker rm # Start new containers local replicas=$(get_service_replicas "$service_name") for ((i=1; i<=replicas; i++)); do local container_name="${service_name}_${i}" docker run -d --name "$container_name" --network bridge -p $((8080 + i)):80 "$new_image" done echo "βœ“ Docker service updated: $service_name -> $new_image" }

Health Checking and Monitoring

#!/bin/bash

Health checking and monitoring

check_service_health() { local service_name="$1" local orchestrator="${co_orchestrator:-docker-swarm}" case "$orchestrator" in "docker-swarm") check_swarm_service_health "$service_name" ;; "kubernetes") check_kubernetes_service_health "$service_name" ;; "nomad") check_nomad_service_health "$service_name" ;; *) check_docker_service_health "$service_name" ;; esac }

check_swarm_service_health() { local service_name="$1" # Check Docker Swarm service health local health_status=$(docker service ls --filter "name=$service_name" --format "{{.Replicas}}") if [[ "$health_status" =~ ^[0-9]+/[0-9]+$ ]]; then local running=$(echo "$health_status" | cut -d'/' -f1) local total=$(echo "$health_status" | cut -d'/' -f2) if [[ $running -eq $total ]]; then echo "βœ“ Service healthy: $service_name ($running/$total replicas)" return 0 else echo "⚠ Service unhealthy: $service_name ($running/$total replicas)" return 1 fi else echo "βœ— Service not found: $service_name" return 1 fi }

check_kubernetes_service_health() { local service_name="$1" # Check Kubernetes service health local ready_replicas=$(kubectl get deployment "$service_name" --output=jsonpath='{.status.readyReplicas}' 2>/dev/null) local desired_replicas=$(kubectl get deployment "$service_name" --output=jsonpath='{.spec.replicas}' 2>/dev/null) if [[ -n "$ready_replicas" ]] && [[ -n "$desired_replicas" ]]; then if [[ $ready_replicas -eq $desired_replicas ]]; then echo "βœ“ Service healthy: $service_name ($ready_replicas/$desired_replicas replicas)" return 0 else echo "⚠ Service unhealthy: $service_name ($ready_replicas/$desired_replicas replicas)" return 1 fi else echo "βœ— Service not found: $service_name" return 1 fi }

check_nomad_service_health() { local service_name="$1" # Check Nomad service health local job_status=$(nomad job status "$service_name" 2>/dev/null | grep "Status") if [[ -n "$job_status" ]]; then if echo "$job_status" | grep -q "running"; then echo "βœ“ Service healthy: $service_name" return 0 else echo "⚠ Service unhealthy: $service_name" return 1 fi else echo "βœ— Service not found: $service_name" return 1 fi }

check_docker_service_health() { local service_name="$1" # Check Docker service health local running_containers=$(docker ps --filter "name=${service_name}_" --format "{{.Names}}" | wc -l) local total_containers=$(docker ps -a --filter "name=${service_name}_" --format "{{.Names}}" | wc -l) if [[ $running_containers -eq $total_containers ]] && [[ $running_containers -gt 0 ]]; then echo "βœ“ Service healthy: $service_name ($running_containers containers running)" return 0 else echo "⚠ Service unhealthy: $service_name ($running_containers/$total_containers containers running)" return 1 fi }

monitor_services() { local monitoring_file="/var/log/container-orchestration/monitoring.json" # Collect service metrics local total_services=$(get_total_services) local healthy_services=$(get_healthy_services) local total_containers=$(get_total_containers) local running_containers=$(get_running_containers) local orchestrator="${co_orchestrator:-docker-swarm}" # Generate monitoring report cat > "$monitoring_file" << EOF { "timestamp": "$(date -Iseconds)", "orchestrator": "$orchestrator", "total_services": $total_services, "healthy_services": $healthy_services, "unhealthy_services": $((total_services - healthy_services)), "health_percentage": $((healthy_services * 100 / total_services)), "total_containers": $total_containers, "running_containers": $running_containers, "container_uptime": $(((running_containers * 100) / total_containers)) } EOF echo "βœ“ Container orchestration monitoring completed" }

get_total_services() { local orchestrator="${co_orchestrator:-docker-swarm}" case "$orchestrator" in "docker-swarm") docker service ls --format "{{.Name}}" | wc -l ;; "kubernetes") kubectl get deployments --no-headers | wc -l ;; "nomad") nomad job status | grep -c "running" ;; *) docker ps --format "{{.Names}}" | grep -c "_[0-9]*$" ;; esac }

get_healthy_services() { local orchestrator="${co_orchestrator:-docker-swarm}" local healthy_count=0 case "$orchestrator" in "docker-swarm") while IFS= read -r service; do if check_swarm_service_health "$service" >/dev/null 2>&1; then healthy_count=$((healthy_count + 1)) fi done < <(docker service ls --format "{{.Name}}") ;; "kubernetes") while IFS= read -r service; do if check_kubernetes_service_health "$service" >/dev/null 2>&1; then healthy_count=$((healthy_count + 1)) fi done < <(kubectl get deployments --no-headers --output=custom-columns=NAME:.metadata.name) ;; "nomad") while IFS= read -r service; do if check_nomad_service_health "$service" >/dev/null 2>&1; then healthy_count=$((healthy_count + 1)) fi done < <(nomad job status | grep "running" | awk '{print $1}') ;; *) while IFS= read -r service; do if check_docker_service_health "$service" >/dev/null 2>&1; then healthy_count=$((healthy_count + 1)) fi done < <(docker ps --format "{{.Names}}" | grep "_[0-9]$" | sed 's/_[0-9]$//' | sort -u) ;; esac echo "$healthy_count" }

get_total_containers() { local orchestrator="${co_orchestrator:-docker-swarm}" case "$orchestrator" in "docker-swarm") docker service ls --format "{{.Replicas}}" | awk -F'/' '{sum += $2} END {print sum}' ;; "kubernetes") kubectl get deployments --no-headers --output=custom-columns=REPLICAS:.spec.replicas | awk '{sum += $1} END {print sum}' ;; "nomad") nomad job status | grep "running" | awk '{sum += $2} END {print sum}' ;; *) docker ps -a --format "{{.Names}}" | grep -c "_[0-9]*$" ;; esac }

get_running_containers() { local orchestrator="${co_orchestrator:-docker-swarm}" case "$orchestrator" in "docker-swarm") docker service ls --format "{{.Replicas}}" | awk -F'/' '{sum += $1} END {print sum}' ;; "kubernetes") kubectl get deployments --no-headers --output=custom-columns=READY:.status.readyReplicas | awk '{sum += $1} END {print sum}' ;; "nomad") nomad job status | grep "running" | awk '{sum += $1} END {print sum}' ;; *) docker ps --format "{{.Names}}" | grep -c "_[0-9]*$" ;; esac }

Cluster Management

#!/bin/bash

Cluster management

manage_cluster() { local action="$1" local orchestrator="${co_orchestrator:-docker-swarm}" case "$action" in "init") init_cluster "$orchestrator" ;; "join") join_cluster "$orchestrator" ;; "status") cluster_status "$orchestrator" ;; "nodes") list_nodes "$orchestrator" ;; *) echo "Unknown action: $action" return 1 ;; esac }

init_cluster() { local orchestrator="$1" case "$orchestrator" in "docker-swarm") docker swarm init echo "βœ“ Docker Swarm cluster initialized" ;; "kubernetes") kubeadm init --pod-network-cidr=10.244.0.0/16 echo "βœ“ Kubernetes cluster initialized" ;; "nomad") nomad agent -dev echo "βœ“ Nomad cluster initialized" ;; *) echo "Unknown orchestrator: $orchestrator" return 1 ;; esac }

join_cluster() { local orchestrator="$1" local join_token="$2" case "$orchestrator" in "docker-swarm") docker swarm join --token "$join_token" echo "βœ“ Joined Docker Swarm cluster" ;; "kubernetes") kubeadm join --token "$join_token" echo "βœ“ Joined Kubernetes cluster" ;; "nomad") nomad agent -client -servers="$join_token" echo "βœ“ Joined Nomad cluster" ;; *) echo "Unknown orchestrator: $orchestrator" return 1 ;; esac }

cluster_status() { local orchestrator="$1" case "$orchestrator" in "docker-swarm") docker node ls ;; "kubernetes") kubectl get nodes ;; "nomad") nomad server members ;; *) echo "Unknown orchestrator: $orchestrator" return 1 ;; esac }

list_nodes() { local orchestrator="$1" case "$orchestrator" in "docker-swarm") docker node ls --format "table {{.Hostname}}\t{{.Status}}\t{{.Availability}}" ;; "kubernetes") kubectl get nodes --output=wide ;; "nomad") nomad node status ;; *) echo "Unknown orchestrator: $orchestrator" return 1 ;; esac }

🎯 Real-World Configuration Examples

Complete Container Orchestration Configuration

container-orchestration-config.tsk

container_orchestration_config: enabled: true orchestrator: docker-swarm cluster: true scaling: true load_balancing: true

#container-orchestration: enabled #co-enabled: true #co-orchestrator: docker-swarm #co-cluster: true #co-scaling: true #co-load-balancing: true

#co-service-discovery: true #co-health-checking: true #co-rolling-updates: true #co-monitoring: true #co-logging: true #co-security: true

#co-config:

general:

orchestrator: docker-swarm

cluster: true

scaling: true

load_balancing: true

service_discovery:

enabled: true

dns: true

load_balancer: true

health_checking:

enabled: true

interval: 30

timeout: 10

retries: 3

rolling_updates:

enabled: true

strategy: rolling

max_unavailable: 1

max_surge: 1

monitoring:

enabled: true

interval: 60

metrics:

- "service_count"

- "container_count"

- "node_count"

- "resource_usage"

logging:

enabled: true

driver: json-file

max_size: 10m

max_files: 3

security:

enabled: true

secrets_management: true

network_policies: true

resource_limits: true

Multi-Orchestrator Architecture

multi-orchestrator-architecture.tsk

multi_orchestrator_architecture: orchestrators: - name: docker-swarm enabled: true services: web-services - name: kubernetes enabled: true services: data-services - name: nomad enabled: true services: batch-jobs

#co-docker-swarm: enabled #co-kubernetes: enabled #co-nomad: enabled

#co-config:

orchestrators:

docker_swarm:

enabled: true

services: ["web", "api", "frontend"]

cluster_mode: true

kubernetes:

enabled: true

services: ["database", "cache", "storage"]

cluster_mode: true

nomad:

enabled: true

services: ["batch", "cron", "worker"]

cluster_mode: true

🚨 Troubleshooting Container Orchestration

Common Issues and Solutions

1. Service Deployment Issues

Debug service deployment

debug_service_deployment() { local service_name="$1" echo "Debugging service deployment for: $service_name" check_service_health "$service_name" }

2. Cluster Issues

Debug cluster

debug_cluster() { local orchestrator="${co_orchestrator:-docker-swarm}" echo "Debugging cluster for orchestrator: $orchestrator" cluster_status "$orchestrator" }

πŸ”’ Security Best Practices

Container Orchestration Security Checklist

Security validation

validate_container_orchestration_security() { echo "Validating container orchestration security configuration..." # Check secrets management if [[ "${co_secrets_management}" == "true" ]]; then echo "βœ“ Secrets management enabled" else echo "⚠ Secrets management not enabled" fi # Check network policies if [[ "${co_network_policies}" == "true" ]]; then echo "βœ“ Network policies enabled" else echo "⚠ Network policies not enabled" fi # Check resource limits if [[ "${co_resource_limits}" == "true" ]]; then echo "βœ“ Resource limits enabled" else echo "⚠ Resource limits not enabled" fi }

πŸ“ˆ Performance Optimization Tips

Container Orchestration Performance Checklist

Performance validation

validate_container_orchestration_performance() { echo "Validating container orchestration performance configuration..." # Check auto-scaling if [[ "${co_scaling}" == "true" ]]; then echo "βœ“ Auto-scaling enabled" else echo "⚠ Auto-scaling not enabled" fi # Check load balancing if [[ "${co_load_balancing}" == "true" ]]; then echo "βœ“ Load balancing enabled" else echo "⚠ Load balancing not enabled" fi # Check health checking if [[ "${co_health_checking}" == "true" ]]; then echo "βœ“ Health checking enabled" else echo "⚠ Health checking not enabled" fi }

🎯 Next Steps

- Container Orchestration Optimization: Learn about advanced container orchestration optimization - Container Orchestration Visualization: Create container orchestration visualization dashboards - Container Orchestration Correlation: Implement container orchestration correlation and alerting - Container Orchestration Compliance: Set up container orchestration compliance and auditing

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Container orchestration transforms your TuskLang configuration into an intelligent, distributed container management system. It brings modern orchestration capabilities to your Bash applications with dynamic deployment, intelligent scaling, and comprehensive container monitoring!