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Add node network statistics and utilization values

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Adds a new physical network interface stats parser to the node
keepalives, and leverages this information to provide a network
utilization overview in the Prometheus metrics.
This commit is contained in:
Joshua Boniface
2023-12-21 15:12:20 -05:00
parent d2d2a9c617
commit 3e4cc53fdd
6 changed files with 386 additions and 13 deletions
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10
node-daemon/pvcnoded/util/keepalive.py
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@ -51,7 +51,7 @@ libvirt_vm_states = {
}
def start_keepalive_timer(logger, config, zkhandler, this_node):
def start_keepalive_timer(logger, config, zkhandler, this_node, netstats):
keepalive_interval = config["keepalive_interval"]
logger.out(
f"Starting keepalive timer ({keepalive_interval} second interval)", state="s"
@ -59,7 +59,7 @@ def start_keepalive_timer(logger, config, zkhandler, this_node):
keepalive_timer = BackgroundScheduler()
keepalive_timer.add_job(
node_keepalive,
args=(logger, config, zkhandler, this_node),
args=(logger, config, zkhandler, this_node, netstats),
trigger="interval",
seconds=keepalive_interval,
)
@ -684,7 +684,7 @@ def collect_vm_stats(logger, config, zkhandler, this_node, queue):
# Keepalive update function
def node_keepalive(logger, config, zkhandler, this_node):
def node_keepalive(logger, config, zkhandler, this_node, netstats):
debug = config["debug"]
# Display node information to the terminal
@ -793,6 +793,10 @@ def node_keepalive(logger, config, zkhandler, this_node):
this_node.memfree = int(psutil.virtual_memory().free / 1024 / 1024)
this_node.cpuload = round(os.getloadavg()[0], 2)
# Get node network statistics via netstats instance
netstats.set_interfaces()
netstats.set_data()
# Join against running threads
if config["enable_hypervisor"]:
vm_stats_thread.join(timeout=config["keepalive_interval"])