fixed symlink isses of postgres for docker and added start script

README.md

@@ -97,7 +97,7 @@ Sometimes in Apple Silicon devices (m1/m2 macbooks), buildx will not work for bu
 ```
 DOCKER_BUILD=build ./docker.local/bin/build.base.sh
 DOCKER_BUILD=build ./docker.local/bin/build.blobber.sh
-DOCKER_BUILD=build ./docker.local/bin/build.validator.sh.
+DOCKER_BUILD=build ./docker.local/bin/build.validator.sh
 ```
 
 4. To link to local gosdk so that the changes are reflected on the blobber build please use the below command(optional)
@@ -128,7 +128,7 @@ cd $HOME/.zcn/
 
 ```
 # For locally build images
-make blobbers_start num=n
+./blobbers_start num=n
 
 where n is the number of blobbers you want to run
 

blobbers_start

@@ -0,0 +1,47 @@
+#!/bin/bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_ROOT="$SCRIPT_DIR"
+
+usage() {
+  cat <<EOF
+Usage: $(basename "$0") num=<count>
+
+Starts the specified number of blobbers by invoking the Makefile target
+defined in ${PROJECT_ROOT}/Makefile.
+EOF
+}
+
+NUM=""
+
+for arg in "$@"; do
+  case "$arg" in
+    num=*)
+      NUM="${arg#num=}"
+      ;;
+    -h|--help)
+      usage
+      exit 0
+      ;;
+    *)
+      echo "Unknown argument: $arg" >&2
+      usage
+      exit 1
+      ;;
+  esac
+done
+
+if [[ -z "$NUM" ]]; then
+  echo "Error: num parameter is required." >&2
+  usage
+  exit 1
+fi
+
+if ! [[ "$NUM" =~ ^[1-9][0-9]*$ ]]; then
+  echo "Error: num must be a positive integer." >&2
+  exit 1
+fi
+
+make -C "$PROJECT_ROOT" blobbers_start "num=$NUM"
+

docker.local/b0docker-compose.yml

@@ -16,7 +16,9 @@ services:
       - ../config/postgresql.conf:/etc/postgresql/postgresql.conf
       - ./blobber${BLOBBER}/data/postgresql:/var/lib/postgresql/data
       - ./sql_init:/docker-entrypoint-initdb.d
+      - ./postgres-entrypoint-fix.sh:/usr/local/bin/postgres-entrypoint-fix.sh:ro
       # - ../blobber${BLOBBER}/data/postgresql2:/var/lib/postgresql/hdd
+    entrypoint: ["/usr/local/bin/postgres-entrypoint-fix.sh"]
     command: postgres -c config_file=/etc/postgresql/postgresql.conf
     restart: unless-stopped
     networks:

docker.local/fix-postgres-symlinks.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+# Script to fix broken PostgreSQL symlinks in pg_tblspc
+
+BLOBBER=${BLOBBER:-1}
+DATA_DIR="./blobber${BLOBBER}/data/postgresql"
+
+if [ ! -d "$DATA_DIR" ]; then
+    echo "Error: Data directory not found: $DATA_DIR"
+    echo "Please set BLOBBER environment variable if using a different blobber number"
+    exit 1
+fi
+
+PG_TBLSPC_DIR="$DATA_DIR/pg_tblspc"
+
+if [ -d "$PG_TBLSPC_DIR" ]; then
+    echo "Checking for broken symlinks in $PG_TBLSPC_DIR..."
+    broken_links=$(find "$PG_TBLSPC_DIR" -type l ! -exec test -e {} \; -print)
+
+    if [ -z "$broken_links" ]; then
+        echo "No broken symlinks found."
+    else
+        echo "Found broken symlinks. Removing them..."
+        find "$PG_TBLSPC_DIR" -type l ! -exec test -e {} \; -delete
+        echo "Broken symlinks removed."
+    fi
+else
+    echo "pg_tblspc directory not found. This is normal for a fresh database."
+fi
+
+echo "Done!"
+

docker.local/postgres-entrypoint-fix.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+set -e
+
+# Fix broken symlinks in pg_tblspc before PostgreSQL starts
+# This prevents the "chown: cannot dereference" error
+if [ -d "/var/lib/postgresql/data/pg_tblspc" ]; then
+    echo "Checking for broken symlinks in pg_tblspc..."
+    find /var/lib/postgresql/data/pg_tblspc -type l ! -exec test -e {} \; -print | while read -r broken_link; do
+        echo "Removing broken symlink: $broken_link"
+        rm -f "$broken_link"
+    done
+fi
+
+# Ensure the tablespace directory exists if SLOW_TABLESPACE_PATH is set
+if [ -n "$SLOW_TABLESPACE_PATH" ]; then
+    echo "Ensuring tablespace directory exists: $SLOW_TABLESPACE_PATH"
+    mkdir -p "$SLOW_TABLESPACE_PATH"
+    chown -R postgres:postgres "$SLOW_TABLESPACE_PATH" 2>/dev/null || true
+fi
+
+# Call the original PostgreSQL entrypoint
+exec /usr/local/bin/docker-entrypoint.sh "$@"
+

test_upload.txt

@@ -0,0 +1,22 @@
+This is a test file for uploading to the blobber allocation.
+
+File Details:
+- Created: 2025-01-01
+- Purpose: Testing file upload functionality
+- Content: Sample text for verification
+
+Test Content:
+Lorem ipsum dolor sit amet, consectetur adipiscing elit. 
+Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
+Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris.
+
+This file contains:
+- Basic text content
+- Multiple lines
+- Special characters: !@#$%^&*()
+- Numbers: 1234567890
+- Mixed case: Hello World
+
+End of test file.
+
+