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-rwxr-xr-xcloudinit/sources/DataSourceAzure.py15
1 files changed, 10 insertions, 5 deletions
diff --git a/cloudinit/sources/DataSourceAzure.py b/cloudinit/sources/DataSourceAzure.py
index 64165259..b7440c1d 100755
--- a/cloudinit/sources/DataSourceAzure.py
+++ b/cloudinit/sources/DataSourceAzure.py
@@ -57,7 +57,12 @@ AZURE_CHASSIS_ASSET_TAG = '7783-7084-3265-9085-8269-3286-77'
REPROVISION_MARKER_FILE = "/var/lib/cloud/data/poll_imds"
REPORTED_READY_MARKER_FILE = "/var/lib/cloud/data/reported_ready"
AGENT_SEED_DIR = '/var/lib/waagent'
+
+# In the event where the IMDS primary server is not
+# available, it takes 1s to fallback to the secondary one
+IMDS_TIMEOUT_IN_SECONDS = 2
IMDS_URL = "http://169.254.169.254/metadata/"
+
PLATFORM_ENTROPY_SOURCE = "/sys/firmware/acpi/tables/OEM0"
# List of static scripts and network config artifacts created by
@@ -582,9 +587,9 @@ class DataSourceAzure(sources.DataSource):
return
self._ephemeral_dhcp_ctx.clean_network()
else:
- return readurl(url, timeout=1, headers=headers,
- exception_cb=exc_cb, infinite=True,
- log_req_resp=False).contents
+ return readurl(url, timeout=IMDS_TIMEOUT_IN_SECONDS,
+ headers=headers, exception_cb=exc_cb,
+ infinite=True, log_req_resp=False).contents
except UrlError:
# Teardown our EphemeralDHCPv4 context on failure as we retry
self._ephemeral_dhcp_ctx.clean_network()
@@ -1291,8 +1296,8 @@ def _get_metadata_from_imds(retries):
headers = {"Metadata": "true"}
try:
response = readurl(
- url, timeout=1, headers=headers, retries=retries,
- exception_cb=retry_on_url_exc)
+ url, timeout=IMDS_TIMEOUT_IN_SECONDS, headers=headers,
+ retries=retries, exception_cb=retry_on_url_exc)
except Exception as e:
LOG.debug('Ignoring IMDS instance metadata: %s', e)
return {}