58 lines
2.1 KiB
Diff
58 lines
2.1 KiB
Diff
diff --git a/src/metadataserver/user_data/templates/snippets/maas_ipmi_autodetect.py b/src/metadataserver/user_data/templates/snippets/maas_ipmi_autodetect.py
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index e2c3ce5..7370963 100644
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--- a/src/metadataserver/user_data/templates/snippets/maas_ipmi_autodetect.py
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+++ b/src/metadataserver/user_data/templates/snippets/maas_ipmi_autodetect.py
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@@ -229,17 +229,40 @@ def make_ipmi_user_settings(username, password):
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return user_settings
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+def configure_ipmi_user_with_backoff(username):
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+ """Create/configure an IPMI user, but with several tries"""
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+ attempt = 1
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+ max_attempts = 5
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+ backoff_amount = 30
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+ while attempt <= max_attempts:
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+ password = None
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+ try:
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+ password = configure_ipmi_user(username)
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+ except:
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+ if (attempt + 1) > max_attempts:
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+ # This is our last attempt, don't catch anything:
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+ raise
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+
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+ if password is None:
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+ time.sleep(attempt * backoff_amount)
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+ else:
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+ return password
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+ attempt += 1
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+
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+
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def configure_ipmi_user(username):
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"""Create or configure an IPMI user for remote use."""
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+ exceptions_caught = []
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for password in [generate_random_password(),
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generate_random_password(with_special_chars=True)]:
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user_settings = make_ipmi_user_settings(username, password)
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try:
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apply_ipmi_user_settings(user_settings)
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return password
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- except subprocess.CalledProcessError:
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- pass
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- raise IPMIError("Unable to set BMC password.")
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+ except subprocess.CalledProcessError as e:
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+ exceptions_caught.append(e)
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+ raise IPMIError(
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+ "Unable to set BMC password:\n{}".format(exceptions_caught))
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def set_ipmi_lan_channel_settings():
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@@ -357,7 +380,7 @@ def main():
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IPMI_MAAS_USER = "maas"
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IPMI_MAAS_PASSWORD = None
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- IPMI_MAAS_PASSWORD = configure_ipmi_user(IPMI_MAAS_USER)
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+ IPMI_MAAS_PASSWORD = configure_ipmi_user_with_backoff(IPMI_MAAS_USER)
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# Attempt to enable IPMI Over Lan. If it is disabled, MAAS won't
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# be able to remotely communicate to the BMC.
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