def crawl_for_peers(v1, namespace, seed, seed_daemon_port, max_crawl_requests=10):
peer_table = {}
queried_peers = set()
unqueried_peers = {}
def contains_error(resp):
try:
resp['error']
return True
except KeyError :
return False
def no_error(resp):
return (not (contains_error(resp)))
def add_resp(resp, direct_queried_peers):
# we use ast instead of json to handle properties with single quotes instead of double quotes (which the response seems to often contain)
resps = [ ast.literal_eval(s) for s in resp.split('\n') if s != '' ]
peers = list(filter(no_error,resps))
error_resps = list(filter(contains_error,resps))
key_value_peers = [ ((p['node_ip_addr'], p['node_peer_id']), p) for p in peers ]
for (k,v) in key_value_peers:
if k not in peer_table:
peer_table[k] = v
queried_peers.update([ p['node_peer_id'] for p in peers ])
queried_peers.update([ p['peer_id'] for p in direct_queried_peers ])
for p in itertools.chain(*[ p['peers'] for p in peers ]):
unqueried_peers[p['peer_id']] = p
for p in queried_peers:
if p in unqueried_peers:
del unqueried_peers[p]
cmd = "mina advanced node-status -daemon-port " + seed_daemon_port + " -daemon-peers" + " -show-errors"
resp = util.exec_on_pod(v1, namespace, seed, 'coda', cmd)
add_resp(resp, [])
requests = 0
while len(unqueried_peers) > 0 and requests < max_crawl_requests:
peers_to_query = list(unqueried_peers.values())
peers = ','.join(peer_to_multiaddr(p) for p in peers_to_query)
print ('Queried ' + str(len(queried_peers)) + ' peers. Gathering node status on %s unqueried peers'%(str(len(unqueried_peers))))
resp = util.exec_on_pod(v1, namespace, seed, 'coda', "mina advanced node-status -daemon-port " + seed_daemon_port + " -peers " + peers + " -show-errors")
add_resp(resp, peers_to_query)
requests += 1
return peer_table
def get_chain_id(v1, namespace):
for (pod_name, container_name) in daemon_containers(v1, namespace):
resp = util.exec_on_pod(v1, namespace, pod_name, container_name, 'mina client status --json')
try:
resp = resp.strip()
if resp[0] != '{':
#first line could be 'Using password from environment variable CODA_PRIVKEY_PASS'
resp = resp.split("\n", 1)[1]
resp = json.loads(resp.strip())
print("Chain ID: {}".format(resp['chain_id']))
return resp['chain_id']
except Exception as e:
print("Exception when extracting chain id: {}\n mina client status response: {}".format(e, resp))
continue