dockerizing_cassandra/scripts/setup_orig.sh

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#!/bin/bash
# Define a logging function
log() {
local MESSAGE="$1"
echo -e "$MESSAGE" | tee -a /var/log/cassandra/setup.log
}
log "RUNNING SETUP"
# Configuration
KEYSPACE=${KEYSPACE:-dev_keyspace_1}
DUMP_DIR=${DUMP_DIR:-/dump} # Ensure DUMP_DIR is defined
CASSANDRA_SEEDS=${CASSANDRA_SEEDS:-cassandra1,cassandra2,cassandra3}
PRIMARY_NODE=${PRIMARY_NODE:-false} # Default to false if not set
IP_ADDRESS=$(hostname -I | awk '{print $1}')
SCHEMA_PATH="$DUMP_DIR/schema/${KEYSPACE}_schema.cql"
DATA_DIR="/var/lib/cassandra/data/$KEYSPACE"
SNAPSHOT_DIR="$DUMP_DIR/snapshot"
# Initialize SEEDS array
SEEDS=(${CASSANDRA_SEEDS//,/ })
SLEEP_DURATION=5 # Sleep duration in seconds for waits
TIMEOUT=300 # Timeout in seconds for waits
# Function to wait for a command to succeed
wait_for_command() {
local COMMAND="$1"
local TIMEOUT="$2"
local START_TIME=$(date +%s)
local END_TIME=$((START_TIME + TIMEOUT))
while true; do
if eval "$COMMAND"; then
log "Command succeeded: $COMMAND"
break
else
local CURRENT_TIME=$(date +%s)
if [ "$CURRENT_TIME" -ge "$END_TIME" ]; then
log "Timed out waiting for command: $COMMAND"
exit 1
fi
log "Command failed: $COMMAND, still waiting"
sleep $SLEEP_DURATION
fi
done
}
log "setup KEYSPACE: $KEYSPACE"
log "setup DUMP_DIR: $DUMP_DIR"
log "setup SCHEMA_PATH: $SCHEMA_PATH"
log "setup CASSANDRA_SEEDS: $CASSANDRA_SEEDS"
# Check if the keyspace directory exists and is not empty
if [ -d "$DATA_DIR" ] && [ "$(ls -A $DATA_DIR)" ]; then
log "Data directory $DATA_DIR exists and is not empty. Skipping schema creation and data import."
EMPTY_DB=false
else
log "Data directory $DATA_DIR does not exist or is empty. Proceeding with schema creation and data import."
EMPTY_DB=true
fi
# # Wait for cassandra1 to be ready if this is not the primary node
# if [ "$PRIMARY_NODE" != "true" ]; then
# wait_for_command "/scripts/is_node_up.sh --node cassandra1 --cassandra_rpc_address $IP_ADDRESS" $TIMEOUT
# fi
# Start Cassandra in the background
cassandra -R &
# Wait for Cassandra to be ready
wait_for_command "/scripts/is_cassandra_ready.sh" $TIMEOUT
# Log the value of PRIMARY_NODE for debugging
log "PRIMARY_NODE is set to: $PRIMARY_NODE"
# Step 1: Wait for all nodes to be up and ready
log "Waiting for all nodes to be up and ready..."
wait_for_command "/scripts/is_node_up.sh --node $seed " $TIMEOUT
// TODO: aspettare tutti i nodi
# Function to wait for all nodes to be up
wait_for_all_nodes_up() {
for seed in "${SEEDS[@]}"; do
wait_for_command "/scripts/is_node_up.sh --node $seed " $TIMEOUT
done
log "All nodes are up."
}
wait_for_all_nodes_up
# Step 2: Create keyspace and schema on the primary node
if [ "$PRIMARY_NODE" = "true" ]; then
log "Checking if keyspace $KEYSPACE exists..."
if ! /scripts/is_keyspace_exists.sh --keyspace "$KEYSPACE"; then
log "Keyspace $KEYSPACE does not exist. Creating keyspace and tables..."
cqlsh $IP_ADDRESS -f "$SCHEMA_PATH"
else
log "Keyspace $KEYSPACE already exists. Ensuring tables exist..."
fi
fi
# Step 3: Wait for schema to be created and agreed upon across all nodes
log "Waiting for schema agreement across all nodes..."
wait_for_command "/scripts/is_schema_agreed.sh --keyspace $KEYSPACE --cassandra_seeds $CASSANDRA_SEEDS" $TIMEOUT
# Step 4: Import data using sstableloader if not previously imported
if [ "$EMPTY_DB" = true ]; then
log "Importing snapshots using sstableloader..."
/scripts/import.sh --keyspace "$KEYSPACE" --dump_dir "$SNAPSHOT_DIR" --cassandra_seeds "$CASSANDRA_SEEDS"
fi
log "FINISHED IMPORT"
# Keep the container running
tail -f /dev/null