def create_services(app_name):
cmd="docker stack deploy --with-registry-auth --compose-file=" + docker_compose_file + " " + app_name
proc = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)
for line in iter(proc.stdout.readline,''):
line = line.decode("utf-8").replace("\n","")
print(line)
if line is "":
break
def get_drain_node():
cmd = "docker node ls | grep Drain | awk '{print $1}'"
proc = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)
nodes=[]
for line in iter(proc.stdout.readline,''):
line = line.decode("utf-8").replace("\n","")
if line == '':
break
else:
nodes.append(line)
return nodes
def get_swarm_node_list(status):
node_list=[]
cmd="docker node ls | grep " + status + " | awk '{print $2}'"
#cmd="docker node ls | awk '{print $2}'"
proc = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)
for line in iter(proc.stdout.readline,''):
line = line.decode("utf-8")
if line == '' :
break
elif (line != '*\n'): #not consider this node (cloud-leader-manager) and the columns title
node_list.append(line.rstrip())
return node_list
def get_node_labels(node):
cmd = "docker node inspect --format '{{ .Spec.Labels }}' " + node
proc = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)
labels = {}
for line in iter(proc.stdout.readline,''):
line = line.decode("utf-8").replace("map[","").replace("]\n","")
if line != "":
for label in line.split(" "):
element = label.split(":")
labels[element[0]] = element[1]
break
return labels
def ip_from_id(host_id):
cmd = "docker node inspect " + host_id + " | grep Addr"
proc = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)
for line in iter(proc.stdout.readline,''):
line = line.decode("utf-8").replace("\n","").replace("\"","").split("Addr:")[1]
return line.strip()
def id_from_hostname(hostname):
cmd = "docker node ls | grep " + hostname + "| awk '{print $1}'"
proc = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)
for line in iter(proc.stdout.readline,''):
return line.decode("utf-8").replace("\n","").strip()
def get_token():
cmd = "docker swarm join-token -q worker"
proc = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)
for line in iter(proc.stdout.readline,''):
return line.decode("utf-8").replace("\n","")