mirror of
https://github.com/pgadmin-org/pgadmin4.git
synced 2026-11-03 04:40:18 -06:00
Ashesh Vashi
c88c8f612e
The container entrypoint substituted ${PGADMIN_CONFIG_CONFIG_DATABASE_URI}
into a double-quoted Python string for `python3 -c`. Combined with the
config_distro.py convention (where the env var's value must itself be a
Python literal, i.e. users set it to 'postgresql+psycopg://...'), the
entrypoint re-wrapped the already-quoted value, producing a string with
literal quotes inside that SQLAlchemy could not parse -- and the Python
crash made the first-launch check capture an empty string, silently
skipping PGADMIN_DEFAULT_EMAIL / PGADMIN_DEFAULT_PASSWORD setup.
Read the env var inside Python via os.environ so the shell no longer
participates in Python-literal quoting (also removing a shell-injection
surface), and use ast.literal_eval to unwrap the legacy quoted form while
letting raw values pass through. external_config_db_exists now stays
"False" on any Python failure so first-launch setup still runs.
Adds a 9.16 release note.
348 lines
14 KiB
Bash
Executable File
348 lines
14 KiB
Bash
Executable File
#!/usr/bin/env bash
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########################################################################
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# PUID/PGID support
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#
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# When the container runs as root (e.g. --user root), the pgadmin user
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# is reassigned to the requested UID/GID and all initialization +
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# gunicorn run via su-exec as that user.
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#
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# When the container runs as non-root (default USER 5050, or OpenShift
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# random UID), PUID/PGID are ignored and everything runs as the
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# current user.
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########################################################################
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PUID=${PUID:-5050}
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PGID=${PGID:-0}
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# Validate PUID/PGID are numeric and in acceptable range
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if ! echo "$PUID" | grep -qE '^[0-9]+$'; then
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echo "ERROR: PUID must be a numeric value, got '$PUID'"
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exit 1
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fi
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if ! echo "$PGID" | grep -qE '^[0-9]+$'; then
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echo "ERROR: PGID must be a numeric value, got '$PGID'"
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exit 1
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fi
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if [ "$PUID" -eq 0 ]; then
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echo "ERROR: PUID=0 (root) is not allowed. Use a non-root UID."
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exit 1
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fi
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if [ "$(id -u)" = "0" ]; then
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# Ensure a group with the target GID exists
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if ! getent group "$PGID" > /dev/null 2>&1; then
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if ! addgroup -g "$PGID" pggroup; then
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echo "ERROR: Failed to create group with GID=$PGID"
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exit 1
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fi
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fi
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# Reassign the pgadmin user to the desired UID/GID
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if ! usermod -o -u "$PUID" -g "$PGID" pgadmin; then
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echo "ERROR: Failed to set pgadmin user to UID=$PUID GID=$PGID"
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exit 1
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fi
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# Fix ownership of runtime directories BEFORE any initialization
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for dir in /run/pgadmin /var/lib/pgadmin; do
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if [ -d "$dir" ]; then
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chown -R "$PUID:$PGID" "$dir"
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fi
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done
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# Fix ownership of individual files (no -R needed)
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if [ -e /pgadmin4/config_distro.py ]; then
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chown "$PUID:$PGID" /pgadmin4/config_distro.py
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fi
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if [ -d /certs ]; then
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chown -R "$PUID:$PGID" /certs
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fi
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SU_EXEC="su-exec $PUID:$PGID"
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echo "pgAdmin will run as UID=$PUID, GID=$PGID"
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else
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SU_EXEC=""
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# Fixup the passwd file, in case we're on OpenShift
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if ! whoami > /dev/null 2>&1; then
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if [ "$(id -u)" -ne 5050 ]; then
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if [ -w /etc/passwd ]; then
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echo "${USER_NAME:-pgadminr}:x:$(id -u):0:${USER_NAME:-pgadminr} user:${HOME}:/sbin/nologin" >> /etc/passwd
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fi
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fi
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fi
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fi
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# Decide which python interpreter to use for gunicorn.
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#
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# /venv/bin/python3-cap is a symlink to /usr/local/bin/python3-cap, a copy
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# of the system python carrying CAP_NET_BIND_SERVICE. It is needed to bind
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# to privileged ports (the default 80/443) as the non-root pgadmin user.
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#
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# Some platforms refuse to honor file capabilities, in which case execing
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# the capped binary either fails outright or silently strips the caps so
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# bind() to a port <1024 still returns EPERM:
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#
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# - NoNewPrivs=1 (--security-opt=no-new-privileges, OpenShift's
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# allowPrivilegeEscalation: false): the kernel silently strips file
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# capabilities on exec.
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# - CAP_NET_BIND_SERVICE missing from the bounding set (--cap-drop=ALL,
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# OpenShift restricted-v2 SCC): exec of the capped binary returns
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# EPERM.
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#
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# Detect either condition via /proc/self/status. When restricted, fall
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# back to the un-capped venv python and (if the user has not picked a
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# port) default PGADMIN_LISTEN_PORT to 8080/8443 so the server can
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# actually bind.
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PYTHON_BIN=/venv/bin/python3-cap
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restricted=0
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if grep -q '^NoNewPrivs:[[:space:]]*1' /proc/self/status 2>/dev/null; then
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restricted=1
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fi
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if [ "$restricted" = "0" ]; then
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cap_bnd=$(awk '/^CapBnd:/ { print $2 }' /proc/self/status 2>/dev/null)
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if [ -n "$cap_bnd" ] && [ "$(( 0x${cap_bnd} & 0x400 ))" -eq 0 ]; then
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restricted=1
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fi
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fi
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if [ "$restricted" = "1" ] || [ ! -x /venv/bin/python3-cap ]; then
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PYTHON_BIN=/venv/bin/python3
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if [ -z "${PGADMIN_LISTEN_PORT}" ]; then
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if [ -n "${PGADMIN_ENABLE_TLS}" ]; then
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export PGADMIN_LISTEN_PORT=8443
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else
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export PGADMIN_LISTEN_PORT=8080
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fi
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echo "Restricted security context detected; defaulting PGADMIN_LISTEN_PORT to ${PGADMIN_LISTEN_PORT}."
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fi
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fi
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# usage: file_env VAR [DEFAULT] ie: file_env 'XYZ_DB_PASSWORD' 'example'
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# (will allow for "$XYZ_DB_PASSWORD_FILE" to fill in the value of
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# "$XYZ_DB_PASSWORD" from a file, for Docker's secrets feature)
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function file_env() {
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local var="$1"
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local fileVar="${var}_FILE"
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local def="${2:-}"
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if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
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printf >&2 'error: both %s and %s are set (but are exclusive)\n' "$var" "$fileVar"
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exit 1
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fi
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local val="$def"
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if [ "${!var:-}" ]; then
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val="${!var}"
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elif [ "${!fileVar:-}" ] && [ ! -r "${!fileVar}" ]; then
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printf >&2 'error: %s is set to "%s" but the file does not exist or is not readable\n' \
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"$fileVar" "${!fileVar}"
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exit 1
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elif [ "${!fileVar:-}" ]; then
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val="$(< "${!fileVar}")"
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fi
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export "$var"="$val"
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unset "$fileVar"
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}
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# Set values for config variables that can be passed using secrets
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if [ -n "${PGADMIN_CONFIG_CONFIG_DATABASE_URI_FILE}" ]; then
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file_env PGADMIN_CONFIG_CONFIG_DATABASE_URI
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fi
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file_env PGADMIN_DEFAULT_PASSWORD
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# TO enable custom path for config_distro, pass config distro path via environment variable.
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export CONFIG_DISTRO_FILE_PATH="${PGADMIN_CUSTOM_CONFIG_DISTRO_FILE:-/pgadmin4/config_distro.py}"
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# Populate config_distro.py. This has some default config, as well as anything
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# provided by the user through the PGADMIN_CONFIG_* environment variables.
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# Only update the file on first launch. The empty file is created only in default path during the
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# container build so it can have the required ownership.
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if [ ! -e "${CONFIG_DISTRO_FILE_PATH}" ] || [ "$(wc -m "${CONFIG_DISTRO_FILE_PATH}" 2>/dev/null | awk '{ print $1 }')" = "0" ]; then
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cat << EOF > "${CONFIG_DISTRO_FILE_PATH}"
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CA_FILE = '/etc/ssl/certs/ca-certificates.crt'
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LOG_FILE = '/dev/null'
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HELP_PATH = '../../docs'
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DEFAULT_BINARY_PATHS = {
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'pg': '/usr/local/pgsql-18',
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'pg-18': '/usr/local/pgsql-18',
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'pg-17': '/usr/local/pgsql-17',
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'pg-16': '/usr/local/pgsql-16',
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'pg-15': '/usr/local/pgsql-15',
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'pg-14': '/usr/local/pgsql-14',
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'pg-13': '/usr/local/pgsql-13'
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}
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EOF
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# This is a bit kludgy, but necessary as the container uses BusyBox/ash as
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# it's shell and not bash which would allow a much cleaner implementation
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for var in $(env | grep "^PGADMIN_CONFIG_" | cut -d "=" -f 1); do
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# Get the raw value
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val=$(eval "echo \"\$$var\"")
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# This normalization step is what makes 'true', 'True'
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case "$(echo "$val" | tr '[:upper:]' '[:lower:]')" in
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true) val="True" ;;
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false) val="False" ;;
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esac
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echo "${var#PGADMIN_CONFIG_} = $val" >> "${CONFIG_DISTRO_FILE_PATH}"
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done
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# If running as root with custom config distro path, fix ownership
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if [ "$(id -u)" = "0" ] && [ "${CONFIG_DISTRO_FILE_PATH}" != "/pgadmin4/config_distro.py" ]; then
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chown "$PUID:$PGID" "${CONFIG_DISTRO_FILE_PATH}"
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fi
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fi
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# Check whether the external configuration database exists if it is being used.
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#
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# The URI is read inside Python via os.environ — the shell no longer
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# participates in Python-literal quoting. `ast.literal_eval` unwraps the
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# legacy `'url'` form that the config_distro.py generation convention
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# requires; raw values pass through unchanged. On any Python failure the
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# "False" default below is preserved so first-launch user setup still
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# runs (see #9984).
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external_config_db_exists="False"
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if [ -n "${PGADMIN_CONFIG_CONFIG_DATABASE_URI}" ]; then
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result=$(cd /pgadmin4/pgadmin/utils && $SU_EXEC /venv/bin/python3 -c "
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import os, ast
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from check_external_config_db import check_external_config_db
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raw = os.environ['PGADMIN_CONFIG_CONFIG_DATABASE_URI']
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try:
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uri = ast.literal_eval(raw)
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except (ValueError, SyntaxError):
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uri = raw
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print(check_external_config_db(uri))
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" 2>/dev/null)
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if [ -n "$result" ]; then
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external_config_db_exists="$result"
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fi
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fi
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# DRY of the code to load the PGADMIN_SERVER_JSON_FILE
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function load_server_json_file() {
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export PGADMIN_SERVER_JSON_FILE="${PGADMIN_SERVER_JSON_FILE:-/pgadmin4/servers.json}"
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EXTRA_ARGS=""
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if [ "${PGADMIN_REPLACE_SERVERS_ON_STARTUP}" = "True" ]; then
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EXTRA_ARGS="--replace"
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fi
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if [ -f "${PGADMIN_SERVER_JSON_FILE}" ]; then
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# When running in Desktop mode, no user is created
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# so we have to import servers anonymously
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if [ "${PGADMIN_CONFIG_SERVER_MODE}" = "False" ]; then
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$SU_EXEC /venv/bin/python3 /pgadmin4/setup.py load-servers "${PGADMIN_SERVER_JSON_FILE}" ${EXTRA_ARGS}
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else
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$SU_EXEC /venv/bin/python3 /pgadmin4/setup.py load-servers "${PGADMIN_SERVER_JSON_FILE}" --user "${PGADMIN_DEFAULT_EMAIL}" ${EXTRA_ARGS}
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fi
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fi
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}
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if [ ! -f /var/lib/pgadmin/pgadmin4.db ] && [ "${external_config_db_exists}" = "False" ]; then
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if [ -z "${PGADMIN_DEFAULT_EMAIL}" ] || { [ -z "${PGADMIN_DEFAULT_PASSWORD}" ] && [ -z "${PGADMIN_DEFAULT_PASSWORD_FILE}" ]; }; then
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echo 'You need to define the PGADMIN_DEFAULT_EMAIL and PGADMIN_DEFAULT_PASSWORD or PGADMIN_DEFAULT_PASSWORD_FILE environment variables.'
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exit 1
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fi
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# Validate PGADMIN_DEFAULT_EMAIL
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CHECK_EMAIL_DELIVERABILITY="False"
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if [ -n "${PGADMIN_CONFIG_CHECK_EMAIL_DELIVERABILITY}" ]; then
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CHECK_EMAIL_DELIVERABILITY=${PGADMIN_CONFIG_CHECK_EMAIL_DELIVERABILITY}
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fi
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ALLOW_SPECIAL_EMAIL_DOMAINS="[]"
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if [ -n "${PGADMIN_CONFIG_ALLOW_SPECIAL_EMAIL_DOMAINS}" ]; then
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ALLOW_SPECIAL_EMAIL_DOMAINS=${PGADMIN_CONFIG_ALLOW_SPECIAL_EMAIL_DOMAINS}
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fi
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GLOBALLY_DELIVERABLE="True"
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if [ -n "${PGADMIN_CONFIG_GLOBALLY_DELIVERABLE}" ]; then
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GLOBALLY_DELIVERABLE=${PGADMIN_CONFIG_GLOBALLY_DELIVERABLE}
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fi
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email_config="{'CHECK_EMAIL_DELIVERABILITY': ${CHECK_EMAIL_DELIVERABILITY}, 'ALLOW_SPECIAL_EMAIL_DOMAINS': ${ALLOW_SPECIAL_EMAIL_DOMAINS}, 'GLOBALLY_DELIVERABLE': ${GLOBALLY_DELIVERABLE}}"
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echo "email config is ${email_config}"
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is_valid_email=$(cd /pgadmin4/pgadmin/utils && $SU_EXEC /venv/bin/python3 -c "from validation_utils import validate_email; val = validate_email('${PGADMIN_DEFAULT_EMAIL}', ${email_config}); print(val)")
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if echo "${is_valid_email}" | grep "False" > /dev/null; then
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echo "'${PGADMIN_DEFAULT_EMAIL}' does not appear to be a valid email address. Please reset the PGADMIN_DEFAULT_EMAIL environment variable and try again."
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echo "Validation output: ${is_valid_email}"
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exit 1
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fi
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# Switch back to root directory for further process
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cd /pgadmin4
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# Set the default username and password in a
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# backwards compatible way
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export PGADMIN_SETUP_EMAIL="${PGADMIN_DEFAULT_EMAIL}"
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export PGADMIN_SETUP_PASSWORD="${PGADMIN_DEFAULT_PASSWORD}"
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# Initialize DB before starting Gunicorn
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# Importing pgadmin4 (from this script) is enough
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$SU_EXEC /venv/bin/python3 run_pgadmin.py
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export PGADMIN_PREFERENCES_JSON_FILE="${PGADMIN_PREFERENCES_JSON_FILE:-/pgadmin4/preferences.json}"
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# Pre-load any required servers
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load_server_json_file
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# Pre-load any required preferences
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if [ -f "${PGADMIN_PREFERENCES_JSON_FILE}" ]; then
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if [ "${PGADMIN_CONFIG_SERVER_MODE}" = "False" ]; then
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DESKTOP_USER=$(cd /pgadmin4 && $SU_EXEC /venv/bin/python3 -c 'import config; print(config.DESKTOP_USER)')
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$SU_EXEC /venv/bin/python3 /pgadmin4/setup.py set-prefs "${DESKTOP_USER}" --input-file "${PGADMIN_PREFERENCES_JSON_FILE}"
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else
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$SU_EXEC /venv/bin/python3 /pgadmin4/setup.py set-prefs "${PGADMIN_DEFAULT_EMAIL}" --input-file "${PGADMIN_PREFERENCES_JSON_FILE}"
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fi
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fi
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# Copy the pgpass file passed using secrets
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if [ -n "${PGPASS_FILE}" ] && [ -f "${PGPASS_FILE}" ]; then
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if [ "${PGADMIN_CONFIG_SERVER_MODE}" = "False" ]; then
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cp "${PGPASS_FILE}" /var/lib/pgadmin/.pgpass
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chmod 600 /var/lib/pgadmin/.pgpass
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# Fix ownership when running as root
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if [ "$(id -u)" = "0" ]; then
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chown "$PUID:$PGID" /var/lib/pgadmin/.pgpass
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fi
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else
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PGADMIN_USER_CONFIG_DIR=$(echo "${PGADMIN_DEFAULT_EMAIL}" | sed 's/@/_/g')
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mkdir -p "/var/lib/pgadmin/storage/${PGADMIN_USER_CONFIG_DIR}"
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cp "${PGPASS_FILE}" "/var/lib/pgadmin/storage/${PGADMIN_USER_CONFIG_DIR}/.pgpass"
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chmod 600 "/var/lib/pgadmin/storage/${PGADMIN_USER_CONFIG_DIR}/.pgpass"
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# Fix ownership when running as root
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if [ "$(id -u)" = "0" ]; then
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chown -R "$PUID:$PGID" "/var/lib/pgadmin/storage/${PGADMIN_USER_CONFIG_DIR}"
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fi
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fi
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fi
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# If already initialised and PGADMIN_REPLACE_SERVERS_ON_STARTUP is set to true, then load the server json file.
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elif [ "${PGADMIN_REPLACE_SERVERS_ON_STARTUP}" = "True" ]; then
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load_server_json_file
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fi
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# Start Postfix to handle password resets etc.
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if [ -z "${PGADMIN_DISABLE_POSTFIX}" ]; then
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sudo /usr/sbin/postfix start
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fi
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# Get the session timeout from the pgAdmin config. We'll use this (in seconds)
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# to define the Gunicorn worker timeout
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TIMEOUT=$(cd /pgadmin4 && $SU_EXEC /venv/bin/python3 -c 'import config; print(config.SESSION_EXPIRATION_TIME * 60 * 60 * 24)')
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# NOTE: currently pgadmin can run only with 1 worker due to sessions implementation
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# Using --threads to have multi-threaded single-process worker
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if [ -n "${PGADMIN_ENABLE_SOCK}" ]; then
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BIND_ADDRESS="unix:/run/pgadmin/pgadmin.sock"
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else
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if [ -n "${PGADMIN_ENABLE_TLS}" ]; then
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BIND_ADDRESS="${PGADMIN_LISTEN_ADDRESS:-[::]}:${PGADMIN_LISTEN_PORT:-443}"
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else
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BIND_ADDRESS="${PGADMIN_LISTEN_ADDRESS:-[::]}:${PGADMIN_LISTEN_PORT:-80}"
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fi
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fi
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if [ -n "${PGADMIN_ENABLE_TLS}" ]; then
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exec $SU_EXEC "${PYTHON_BIN}" /venv/bin/gunicorn --limit-request-line "${GUNICORN_LIMIT_REQUEST_LINE:-8190}" --timeout "${TIMEOUT}" --bind "${BIND_ADDRESS}" -w 1 --threads "${GUNICORN_THREADS:-25}" --access-logfile "${GUNICORN_ACCESS_LOGFILE:--}" --keyfile /certs/server.key --certfile /certs/server.cert -c gunicorn_config.py run_pgadmin:app
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else
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exec $SU_EXEC "${PYTHON_BIN}" /venv/bin/gunicorn --limit-request-line "${GUNICORN_LIMIT_REQUEST_LINE:-8190}" --limit-request-fields "${GUNICORN_LIMIT_REQUEST_FIELDS:-100}" --limit-request-field_size "${GUNICORN_LIMIT_REQUEST_FIELD_SIZE:-8190}" --timeout "${TIMEOUT}" --bind "${BIND_ADDRESS}" -w 1 --threads "${GUNICORN_THREADS:-25}" --access-logfile "${GUNICORN_ACCESS_LOGFILE:--}" -c gunicorn_config.py run_pgadmin:app
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fi
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