105 lines
4.0 KiB
Bash
Executable File
105 lines
4.0 KiB
Bash
Executable File
#!/usr/bin/dumb-init /bin/sh
|
|
set -e
|
|
|
|
# Note above that we run dumb-init as PID 1 in order to reap zombie processes
|
|
# as well as forward signals to all processes in its session. Normally, sh
|
|
# wouldn't do either of these functions so we'd leak zombies as well as do
|
|
# unclean termination of all our sub-processes.
|
|
|
|
# Prevent core dumps
|
|
ulimit -c 0
|
|
|
|
# Allow setting VAULT_REDIRECT_ADDR and VAULT_CLUSTER_ADDR using an interface
|
|
# name instead of an IP address. The interface name is specified using
|
|
# VAULT_REDIRECT_INTERFACE and VAULT_CLUSTER_INTERFACE environment variables. If
|
|
# VAULT_*_ADDR is also set, the resulting URI will combine the protocol and port
|
|
# number with the IP of the named interface.
|
|
get_addr () {
|
|
local if_name=$1
|
|
local uri_template=$2
|
|
ip addr show dev $if_name | awk -v uri=$uri_template '/\s*inet\s/ { \
|
|
ip=gensub(/(.+)\/.+/, "\\1", "g", $2); \
|
|
print gensub(/^(.+:\/\/).+(:.+)$/, "\\1" ip "\\2", "g", uri); \
|
|
exit}'
|
|
}
|
|
|
|
if [ -n "$VAULT_REDIRECT_INTERFACE" ]; then
|
|
export VAULT_REDIRECT_ADDR=$(get_addr $VAULT_REDIRECT_INTERFACE ${VAULT_REDIRECT_ADDR:-"http://0.0.0.0:8200"})
|
|
echo "Using $VAULT_REDIRECT_INTERFACE for VAULT_REDIRECT_ADDR: $VAULT_REDIRECT_ADDR"
|
|
fi
|
|
if [ -n "$VAULT_CLUSTER_INTERFACE" ]; then
|
|
export VAULT_CLUSTER_ADDR=$(get_addr $VAULT_CLUSTER_INTERFACE ${VAULT_CLUSTER_ADDR:-"https://0.0.0.0:8201"})
|
|
echo "Using $VAULT_CLUSTER_INTERFACE for VAULT_CLUSTER_ADDR: $VAULT_CLUSTER_ADDR"
|
|
fi
|
|
|
|
# VAULT_CONFIG_DIR isn't exposed as a volume but you can compose additional
|
|
# config files in there if you use this image as a base, or use
|
|
# VAULT_LOCAL_CONFIG below.
|
|
VAULT_CONFIG_DIR=/vault/config
|
|
|
|
# You can also set the VAULT_LOCAL_CONFIG environment variable to pass some
|
|
# Vault configuration JSON without having to bind any volumes.
|
|
if [ -n "$VAULT_LOCAL_CONFIG" ]; then
|
|
echo "$VAULT_LOCAL_CONFIG" > "$VAULT_CONFIG_DIR/local.json"
|
|
fi
|
|
|
|
# If the user is trying to run Vault directly with some arguments, then
|
|
# pass them to Vault.
|
|
if [ "${1:0:1}" = '-' ]; then
|
|
set -- vault "$@"
|
|
fi
|
|
|
|
# Look for Vault subcommands.
|
|
if [ "$1" = 'server' ]; then
|
|
shift
|
|
set -- vault server \
|
|
-config="$VAULT_CONFIG_DIR" \
|
|
-dev-root-token-id="$VAULT_DEV_ROOT_TOKEN_ID" \
|
|
-dev-listen-address="${VAULT_DEV_LISTEN_ADDRESS:-"0.0.0.0:8200"}" \
|
|
"$@"
|
|
elif [ "$1" = 'version' ]; then
|
|
# This needs a special case because there's no help output.
|
|
set -- vault "$@"
|
|
elif vault --help "$1" 2>&1 | grep -q "vault $1"; then
|
|
# We can't use the return code to check for the existence of a subcommand, so
|
|
# we have to use grep to look for a pattern in the help output.
|
|
set -- vault "$@"
|
|
fi
|
|
|
|
# If we are running Vault, make sure it executes as the proper user.
|
|
if [ "$1" = 'vault' ]; then
|
|
if [ -z "$SKIP_CHOWN" ]; then
|
|
# If the config dir is bind mounted then chown it
|
|
if [ "$(stat -c %u /vault/config)" != "$(id -u vault)" ]; then
|
|
chown -R vault:vault /vault/config || echo "Could not chown /vault/config (may not have appropriate permissions)"
|
|
fi
|
|
|
|
# If the logs dir is bind mounted then chown it
|
|
if [ "$(stat -c %u /vault/logs)" != "$(id -u vault)" ]; then
|
|
chown -R vault:vault /vault/logs
|
|
fi
|
|
|
|
# If the file dir is bind mounted then chown it
|
|
if [ "$(stat -c %u /vault/file)" != "$(id -u vault)" ]; then
|
|
chown -R vault:vault /vault/file
|
|
fi
|
|
fi
|
|
|
|
if [ -z "$SKIP_SETCAP" ]; then
|
|
# Allow mlock to avoid swapping Vault memory to disk
|
|
setcap cap_ipc_lock=+ep $(readlink -f $(which vault))
|
|
|
|
# In the case vault has been started in a container without IPC_LOCK privileges
|
|
if ! vault -version 1>/dev/null 2>/dev/null; then
|
|
>&2 echo "Couldn't start vault with IPC_LOCK. Disabling IPC_LOCK, please use --cap-add IPC_LOCK"
|
|
setcap cap_ipc_lock=-ep $(readlink -f $(which vault))
|
|
fi
|
|
fi
|
|
|
|
if [ "$(id -u)" = '0' ]; then
|
|
set -- su-exec vault "$@"
|
|
fi
|
|
fi
|
|
|
|
exec "$@"
|