write information/errors to stderr.

Signed-off-by: Kai Xia <[email protected]>

bk_ssm_secrets/bksecrets.py

@@ -1,5 +1,6 @@
 import os
 import logging
+import sys
 
 from . import config, helpers, ssm_parameter_store
 
@@ -48,7 +49,7 @@ def parse_ssh(self):
             f"Starting an ephemeral ssh-agent for `{self.base}/ssh/key`"
         )
         envvars = helpers.start_ssh_agent(self.store['ssh']['key'])
-        print(f"Added key `{self.base}/ssh/key` to ssh agent.")
+        print(f"Added key `{self.base}/ssh/key` to ssh agent.", file=sys.stderr)
 
         os.environ.update({
             "AWS_PARAMSTORE_SECRETS_AGENT_PID": envvars["SSH_AGENT_PID"],

hooks/environment

@@ -20,11 +20,9 @@ fi
 
 exports=$(/usr/local/bin/bk-ssm-secrets)
 
-echo "$exports" | grep -v "^export " || true
-
 set -o allexport
 # shellcheck disable=SC1090
-source <( echo "$exports" | grep "^export " || true)
+source <( echo "$exports" )
 set +o allexport
 
 unset -f get-ssm