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Keybard-Vagabond-Demo/build/postgresql-postgis/build-upgrade-image.sh

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#!/bin/bash
set -euo pipefail
# =============================================================================
# Build script for PostgreSQL 16→18 Upgrade Image with PostGIS
# This image is used ONLY for the pg_upgrade process via CloudNativePG
# =============================================================================
# Configuration
REGISTRY="registry.keyboardvagabond.com/library"
IMAGE_NAME="cnpg-postgis"
TAG="upgrade-16-to-18"
FULL_IMAGE="${REGISTRY}/${IMAGE_NAME}:${TAG}"
LOCAL_IMAGE="${IMAGE_NAME}:${TAG}"
# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m'
log_info() { echo -e "${GREEN}[INFO]${NC} $1"; }
log_warn() { echo -e "${YELLOW}[WARN]${NC} $1"; }
log_error() { echo -e "${RED}[ERROR]${NC} $1"; }
log_step() { echo -e "${BLUE}[STEP]${NC} $1"; }
cd "$(dirname "$0")"
echo ""
echo "========================================================"
echo " PostgreSQL 16→18 Upgrade Image Build (ARM64)"
echo "========================================================"
echo ""
log_info "This builds a special image with BOTH PG16 and PG18 binaries"
log_info "Required for CloudNativePG declarative pg_upgrade"
log_warn "Build time: ~30-45 minutes (builds PostGIS twice)"
log_info "Target: ${FULL_IMAGE}"
echo ""
# =============================================================================
# Build the upgrade image
# =============================================================================
log_step "Starting Docker build with Dockerfile.upgrade..."
BUILD_START=$(date +%s)
docker build \
--platform linux/arm64 \
--progress=plain \
-f Dockerfile.upgrade \
-t "${FULL_IMAGE}" \
-t "${LOCAL_IMAGE}" \
.
BUILD_END=$(date +%s)
BUILD_TIME=$((BUILD_END - BUILD_START))
BUILD_MINS=$((BUILD_TIME / 60))
BUILD_SECS=$((BUILD_TIME % 60))
log_info "Build completed in ${BUILD_MINS}m ${BUILD_SECS}s"
# =============================================================================
# Test the upgrade image
# =============================================================================
echo ""
log_step "Running verification tests..."
# Test 1: Both PostgreSQL versions present
log_info "Test 1: Checking PostgreSQL versions..."
docker run --rm --platform linux/arm64 "${LOCAL_IMAGE}" bash -c '
echo " PG16: $(/usr/lib/postgresql/16/bin/postgres --version)"
echo " PG18: $(/usr/lib/postgresql/18/bin/postgres --version)"
'
# Test 2: pg_upgrade available
log_info "Test 2: Checking pg_upgrade..."
docker run --rm --platform linux/arm64 "${LOCAL_IMAGE}" bash -c '
/usr/lib/postgresql/18/bin/pg_upgrade --version && echo " ✓ pg_upgrade available"
'
# Test 3: User ID check
log_info "Test 3: Checking postgres user ID (should be 26)..."
POSTGRES_UID=$(docker run --rm --platform linux/arm64 "${LOCAL_IMAGE}" id -u postgres)
if [ "$POSTGRES_UID" = "26" ]; then
echo " ✓ postgres UID is 26 (CNPG compatible)"
else
log_error "postgres UID is ${POSTGRES_UID}, expected 26"
exit 1
fi
# Test 4: PostGIS for both versions
log_info "Test 4: Checking PostGIS libraries..."
docker run --rm --platform linux/arm64 "${LOCAL_IMAGE}" bash -c '
echo " PG16 PostGIS:"
ls /usr/lib/postgresql/16/lib/postgis*.so 2>/dev/null | xargs -I{} basename {} | sed "s/^/ /"
echo " PG18 PostGIS:"
ls /usr/lib/postgresql/18/lib/postgis*.so 2>/dev/null | xargs -I{} basename {} | sed "s/^/ /"
'
# Test 5: Shared libraries
log_info "Test 5: Checking shared libraries..."
docker run --rm --platform linux/arm64 "${LOCAL_IMAGE}" bash -c '
echo " GEOS: $(geos-config --version 2>/dev/null || echo "not found")"
echo " GDAL: $(gdal-config --version 2>/dev/null || echo "not found")"
echo " PROJ: $(projinfo 2>&1 | head -1 || echo "installed")"
'
# Test 6: Barman tools
log_info "Test 6: Checking barman-cloud tools..."
docker run --rm --platform linux/arm64 "${LOCAL_IMAGE}" \
bash -c 'ls /usr/local/bin/barman* >/dev/null 2>&1 && echo " ✓ barman-cloud tools available" || echo " ✗ barman-cloud tools not found"'
# =============================================================================
# Summary
# =============================================================================
echo ""
echo "========================================================"
log_info "Upgrade image build completed!"
echo "========================================================"
echo ""
echo "Images built:"
echo " Local: ${LOCAL_IMAGE}"
echo " Harbor: ${FULL_IMAGE}"
echo ""
echo "Build time: ${BUILD_MINS}m ${BUILD_SECS}s"
echo ""
echo "To push to Harbor registry:"
echo " docker push ${FULL_IMAGE}"
echo ""
echo "IMPORTANT: This image is for pg_upgrade ONLY!"
echo "After upgrade completes, switch to: ${REGISTRY}/${IMAGE_NAME}:18-3.6"
echo ""
log_warn "Next steps:"
echo " 1. Push image: docker push ${FULL_IMAGE}"
echo " 2. Take Longhorn snapshot of postgres-shared volumes"
echo " 3. Update cluster-shared.yaml imageName to: ${FULL_IMAGE}"
echo " 4. Apply and monitor the upgrade"
echo " 5. After success, switch to regular 18-3.6 image"
echo ""