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Wait for PosgtreSQL before starting PgPool process (#69)

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This commit is contained in:
Miguel Ángel Cabrera Miñagorri
2021-11-11 10:41:48 +01:00
committed by GitHub
parent 4b4d2892db
commit 24c19d8a37
1 changed files with 18 additions and 5 deletions
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23
bitnami/pgpool/4/debian-10/rootfs/opt/bitnami/scripts/libpgpool.sh
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@@ -292,13 +292,14 @@ pgpool_attach_node() {
pgpool_healthcheck() {
info "Checking pgpool health..."
local backends
backends=$(PGCONNECT_TIMEOUT=15 PGPASSWORD="${PGPOOL_POSTGRES_PASSWORD}" psql -U "${PGPOOL_POSTGRES_USERNAME}" \
-d postgres -h "${PGPOOL_TMP_DIR}" -p "${PGPOOL_PORT_NUMBER}" -tA -c "SHOW pool_nodes;" | tr -d ' ')
backends="$(PGCONNECT_TIMEOUT=15 PGPASSWORD="$PGPOOL_POSTGRES_PASSWORD" psql -U "$PGPOOL_POSTGRES_USERNAME" \
-d postgres -h "$PGPOOL_TMP_DIR" -p "$PGPOOL_PORT_NUMBER" -tA -c "SHOW pool_nodes;")"
if [[ "$backends" ]]; then
# look up backends that are marked offline
for node in $(echo "${backends}" | grep "down"); do
node_id=$(echo "${node}" | cut -d'|' -f1)
node_host=$(echo "${node}" | cut -d'|' -f2)
for node in $(echo "${backends}" | grep "down" | tr -d ' '); do
IFS="|" read -ra node_info <<< "$node"
local -r node_id="${node_info[0]}"
local -r node_host="${node_info[1]}"
if [[ $(PGCONNECT_TIMEOUT=3 PGPASSWORD="${PGPOOL_POSTGRES_PASSWORD}" psql -U "${PGPOOL_POSTGRES_USERNAME}" \
-d postgres -h "${node_host}" -p "${PGPOOL_PORT_NUMBER}" -tA -c "SELECT 1" || true) == 1 ]]; then
# attach backend if it has come back online
@@ -634,6 +635,18 @@ pgpool_initialize() {
am_i_root && configure_permissions_ownership "$PGPOOL_TMP_DIR $PGPOOL_LOG_DIR" -u "$PGPOOL_DAEMON_USER" -g "$PGPOOL_DAEMON_GROUP"
am_i_root && configure_permissions_ownership "$PGPOOL_DATA_DIR" -u "$PGPOOL_DAEMON_USER" -g "$PGPOOL_DAEMON_GROUP" -d "755" -f "644"
# Wait for postgresql to be running
read -r -a nodes <<<"$(tr ',;' ' ' <<<"${PGPOOL_BACKEND_NODES}")"
for node in "${nodes[@]}"; do
read -r -a fields <<<"$(tr ':' ' ' <<<"${node}")"
local -r host="${fields[1]}"
local -r port="${fields[2]}"
if ! retry_while "debug_execute wait-for-port --timeout 5 --host ${host} ${port}"; then
error "Could not connect to PostgreSQL at ${host}:${port}"
return 1
fi
done
pgpool_create_pghba
pgpool_create_config
pgpool_generate_password_file