def get_lisk_block_height(host):
try:
uri = host["host"] + "/api/node/status"
response = requests.get(uri, timeout=10)
if response.status_code == 200:
json_response = response.json()
return json_response["data"]["height"]
elif response.status_code == 403:
__print("403 block height, " + host["name"])
return 403
else:
__print("500 block height, " + host["name"])
return 500
except Exception as e:
__print('Unable to get block height ' + host["host"])
print(e)
return 0
def get_block_height(host):
try:
uri = host["host"] + "/api/blocks/getHeight"
response = requests.get(uri, timeout=5)
if response.status_code == 200:
json_response = response.json()
if json_response["success"]:
return json_response["height"]
elif response.status_code == 403:
__print("403 block height, " + host["name"])
return 403
else:
__print("500 block height, " + host["name"])
return 500
except Exception as e:
__print('Unable to get block height ' + host["host"])
print(e)
return 0
def get_version(host):
try:
uri = host["host"] + "/api/peers/version"
response = requests.get(uri, timeout=5)
if response.status_code == 200:
json_response = response.json()
if json_response["success"]:
return json_response["version"]
elif response.status_code == 403:
__print("403 version, " + host["name"])
return "403"
else:
__print("500 version, " + host["name"])
return "500"
except Exception as e:
__print('Unable to get version ' + host["host"])
print(e)
return ""
def get_arkv2_block_height(host):
try:
uri = host["host"] + "/api/node/status"
headers = {'Content-Type': 'application/json', 'API-Version': '2'}
response = requests.get(uri, timeout=10, headers=headers)
if response.status_code == 200:
json_response = response.json()
return json_response["data"]["now"]
elif response.status_code == 403:
__print("403 block height, " + host["name"])
return 403
else:
__print("500 block height, " + host["name"])
return 500
except Exception as e:
__print('Unable to get block height ' + host["host"])
print(e)
return 0
def get_lisk_consensus_messages(status_result, max_block_height):
block_height_consensus = 0
total_nodes = 0
for host in status_result["base_hosts"]:
total_nodes += 1
try:
if host.block_height == max_block_height:
block_height_consensus += 1
for peer in host.peers:
total_nodes += 1
if "height" in peer:
if max_block_height >= peer["height"] >= max_block_height - 2:
block_height_consensus += 1
except Exception as e:
__print('Unable to get block height and version messages')
print(e)
for host in status_result["peer_nodes"]:
total_nodes += 1
try:
if host.block_height == max_block_height:
block_height_consensus += 1
for peer in host.peers:
total_nodes += 1
if "height" in peer:
if max_block_height >= peer["height"] >= max_block_height - 2:
block_height_consensus += 1
except Exception as e:
__print('Unable to get block height and version messages')
print(e)
for host in status_result["nodes_to_monitor"]:
total_nodes += 1
try:
if host.block_height == max_block_height:
block_height_consensus += 1
for peer in host.peers:
total_nodes += 1
if "height" in peer:
if max_block_height >= peer["height"] >= max_block_height - 2:
block_height_consensus += 1
except Exception as e:
__print('Unable to get block height and version messages')
print(e)
return {"block_height_consensus": block_height_consensus,
"version_consensus": total_nodes, "total_nodes": total_nodes}
def get_consensus_messages(status_result, max_block_height, version):
block_height_consensus = 0
version_consensus = 0
for host in status_result["base_hosts"]:
try:
if host.block_height == max_block_height:
block_height_consensus += 1
if host.version == version:
version_consensus += 1
except Exception as e:
__print('Unable to get block height and version messages')
print(e)
for host in status_result["peer_nodes"]:
try:
if host.block_height == max_block_height:
block_height_consensus += 1
if host.version == version:
version_consensus += 1
except Exception as e:
__print('Unable to get block height and version messages')
print(e)
for host in status_result["nodes_to_monitor"]:
try:
if host.block_height == max_block_height:
block_height_consensus += 1
if host.version == version:
version_consensus += 1
except Exception as e:
__print('Unable to get block height and version messages')
print(e)
return {
"block_height_consensus": block_height_consensus,
"version_consensus": version_consensus
}
def get_max_block_height_and_version(status_result):
try:
max_block_height = 0
version = "0.0.0"
for host in status_result["base_hosts"]:
if conf["check_block_height"] and host.block_height > max_block_height:
max_block_height = host.block_height
if conf["check_version"] and StrictVersion(
host.version) > StrictVersion(version):
version = host.version
for peer in host.peers:
if "height" in peer:
if conf["check_block_height"] and peer[
"height"] > max_block_height:
max_block_height = peer["height"]
if "version" in peer:
try:
if conf["check_version"] and StrictVersion(
peer["version"]) > StrictVersion(version):
version = peer["version"]
except Exception as exception:
print(exception)
for host in status_result["peer_nodes"]:
if conf["check_block_height"] and host.block_height > max_block_height:
max_block_height = host.block_height
if conf["check_version"] and StrictVersion(
host.version) > StrictVersion(version):
version = host.version
for peer in host.peers:
if "height" in peer:
if conf["check_block_height"] and peer[
"height"] > max_block_height:
max_block_height = peer["height"]
if "version" in peer:
try:
if conf["check_version"] and StrictVersion(
peer["version"]) > StrictVersion(version):
version = peer["version"]
except Exception as exception:
print(exception)
for host in status_result["nodes_to_monitor"]:
if conf["check_block_height"] and host.block_height > max_block_height:
max_block_height = host.block_height
if conf["check_version"] and StrictVersion(
host.version) > StrictVersion(version):
version = host.version
for peer in host.peers:
if "height" in peer:
if conf["check_block_height"] and peer[
"height"] > max_block_height:
max_block_height = peer["height"]
if "version" in peer:
try:
if conf["check_version"] and StrictVersion(
peer["version"]) > StrictVersion(version):
version = peer["version"]
except Exception as exception:
print(exception)
return {"max_block_height": max_block_height, "version": version}
except Exception as e:
__print('Unable to get max block height and version')
print(e)
return {"max_block_height": 0, "version": "0.0.0"}
def check_arkv2_block_height(host, max_block_height, block_height_consensus,
total_nodes):
if host.block_height == 0:
return host.name + ":\nCould not reach the server, it might be down!\n"
elif host.block_height == 403:
return host.name + ":\nNode api access denied. Is the monitoring server ip whitelisted in the node's config?\n"
elif host.block_height == 500:
return host.name + ":\nNo (valid) response from the server, it might be down!\n"
elif host.block_height < max_block_height - conf["max_blocks_behind"]:
consensus_percentage = int(
(block_height_consensus / total_nodes * 100) * 100) / 100
block_height_difference = max_block_height - host.block_height
line1 = host.name
line2 = ":\nincorrect block height " + str(
host.block_height) + " (-" + str(block_height_difference) + ")"
line3 = "\nshould be " + str(max_block_height)
line4 = "\nconsensus " + str(consensus_percentage) + "% " + str(
block_height_consensus) + "/" + str(total_nodes) + "\n"
return line1 + line2 + line3 + line4
return None
try:
conf = json.load(open(args.cfile, 'r'))
set_telegram_conf(conf["telegram_settings"])
check_all_nodes()
except Exception as ex:
__print('Unable to load config file.')
print(ex)
sys.exit()
