linux-sysadmin-journey/projects/02-command-line-mastery/setup/level1-setup.sh

#!/bin/bash

# Import common functions and variables
source "$(dirname "$0")/common.sh"

# Challenge-specific setup
setup_file_challenges() {
    log_message "Setting up file system challenges..."
    
    # Create complex directory structure
    for dir in {1..5}; do
        mkdir -p "$CHALLENGE_DIR/files/project$dir/{src,config,logs,data}"
        
        # Create various file types
        touch "$CHALLENGE_DIR/files/project$dir/src/main.py"
        touch "$CHALLENGE_DIR/files/project$dir/src/test.py"
        echo "debug=true" > "$CHALLENGE_DIR/files/project$dir/config/settings.conf"
        
        # Create log files with realistic content
        for severity in INFO WARN ERROR DEBUG; do
            for i in {1..10}; do
                echo "[$(date -d "@$(($(date +%s) - RANDOM % 86400))" '+%Y-%m-%d %H:%M:%S')] [$severity] Message $i" >> "$CHALLENGE_DIR/files/project$dir/logs/app.log"
            done
        done
    done
}

setup_permission_challenges() {
    log_message "Setting up permission challenges..."
    
    # Create test users and groups
    for i in {1..3}; do
        sudo groupadd -f "app_group$i" 2>/dev/null
        sudo useradd -M -N -g "app_group$i" "app_user$i" 2>/dev/null
    done
    
    # Create files with specific permissions
    mkdir -p "$CHALLENGE_DIR/files/permissions_test"
    for i in {1..5}; do
        echo "content$i" > "$CHALLENGE_DIR/files/permissions_test/file$i.txt"
        chmod $((600 + i)) "$CHALLENGE_DIR/files/permissions_test/file$i.txt"
    done
}

create_verification_functions() {
    cat << 'EOF' > "$CHALLENGE_DIR/.tracking/verify-challenges.sh"
#!/bin/bash

source "$(dirname "$0")/common.sh"

# Verification functions for each challenge
verify_file_search() {
    local challenge_num=$1
    local description=$2
    local command=$3
    local expected=$4
    
    log_message "Verifying challenge $challenge_num: $description"
    
    local result
    result=$(eval "$command")
    
    if [[ "$result" == "$expected" ]]; then
        award_points $challenge_num 100
        return 0
    fi
    return 1
}

verify_permission_setup() {
    local file=$1
    local expected_perms=$2
    local expected_owner=$3
    
    local actual_perms=$(stat -c "%a" "$file")
    local actual_owner=$(stat -c "%U:%G" "$file")
    
    [[ "$actual_perms" == "$expected_perms" && "$actual_owner" == "$expected_owner" ]]
}

# Challenge verification functions
verify_challenge_1() {
    # Find recent conf files
    verify_file_search 1 "Find recent configuration files" \
        "find \$CHALLENGE_DIR/files -name '*.conf' -mtime -1 | wc -l" \
        "10"
}

verify_challenge_2() {
    # Count ERROR entries in logs
    verify_file_search 2 "Count ERROR messages" \
        "grep -r 'ERROR' \$CHALLENGE_DIR/files/*/logs | wc -l" \
        "15"
}

# Add more verification functions...

EOF
}

create_challenge_tracker() {
    cat << 'EOF' > "$CHALLENGE_DIR/.tracking/challenge-tracker.sh"
#!/bin/bash

source "$(dirname "$0")/common.sh"

# Track command usage
track_command() {
    local command=$1
    echo "[$(date '+%Y-%m-%d %H:%M:%S')] $command" >> "$CHALLENGE_DIR/.tracking/commands.log"
}

# Track time spent
track_time() {
    local challenge=$1
    local start_time=$2
    local end_time=$3
    local duration=$((end_time - start_time))
    echo "$challenge,$duration" >> "$CHALLENGE_DIR/.tracking/time.log"
}

# Show challenge hints
show_hint() {
    local challenge=$1
    case $challenge in
        1) echo "Try using 'find' with -mtime flag" ;;
        2) echo "Consider 'grep' with -r flag" ;;
        *) echo "No hint available" ;;
    esac
}

# Show challenge status
show_status() {
    local total_score=0
    local completed=0
    
    echo "Challenge Status:"
    echo "----------------"
    
    while IFS=, read -r challenge score; do
        total_score=$((total_score + score))
        [[ $score -gt 0 ]] && ((completed++))
        printf "Challenge %s: %s points\n" "$challenge" "$score"
    done < "$SCORE_FILE"
    
    echo "----------------"
    printf "Total Score: %s/1500\n" "$total_score"
    printf "Completed: %s/10 challenges\n" "$completed"
}

EOF
}

# Main setup function
main() {
    init_environment
    setup_file_challenges
    setup_permission_challenges
    create_verification_functions
    create_challenge_tracker
    
    log_message "Challenge environment ready!"
    cat << EOF
${GREEN}Level 1 Setup Complete!${NC}

Available commands:
- ${YELLOW}check-progress${NC}: Show current progress
- ${YELLOW}verify-challenge <num>${NC}: Verify specific challenge
- ${YELLOW}show-hint <num>${NC}: Get hint for challenge
- ${YELLOW}show-status${NC}: Display challenge status

Start with challenge 1: Find all recent configuration files
Good luck!
EOF
}

# Run setup
main