def computeset_terminate(computesetid):
ret = ''
url = Comet.url("computeset/")
action = "shutdown"
puturl = "{:}{:}/{}".format(url, computesetid, action)
# print (puturl)
r = Comet.put(puturl)
if r is not None:
if '' != r.strip():
ret = r
else:
ret = "Request Accepted. " \
"In the process of terminating the computeset"
else:
ret = "Problem executing the request. " \
"Check if the computeset exists"
return ret
def computeset_terminate(computesetid):
ret = ''
url = Comet.url("computeset/")
action = "shutdown"
puturl = "{:}{:}/{}".format(url, computesetid, action)
# print (puturl)
r = Comet.put(puturl)
if r is not None:
if '' != r.strip():
ret = r
else:
ret = "Request Accepted. " \
"In the process of terminating the computeset"
else:
ret = "Problem executing the request. " \
"Check if the computeset exists"
return ret
def attach_iso(isoname, clusterid, nodeids=None, action='Attaching'):
ret = ''
# print ("Attaching ISO image")
# print ("isoname: %s" % isoname)
# print ("cluster: %s" % clusterid)
# print ("node: %s" % nodeid)
if isoname != '':
isoname = "public/{}".format(isoname)
urls = {}
# attaching to compute node
if nodeids:
nodeids = hostlist.expand_hostlist(nodeids)
for nodeid in nodeids:
url = Comet.url("cluster/{}/compute/{}/attach_iso?iso_name={}") \
.format(clusterid, nodeid, isoname)
urls["Node {}".format(nodeid)] = url
else:
# attaching to fronend node
url = Comet.url("cluster/{}/frontend/attach_iso?iso_name={}") \
.format(clusterid, isoname)
urls['Frontend'] = url
# data = {"iso_name": "%s" % isoname}
# print ("url: %s" % url)
# print ("data: %s" % data)
tofrom = {}
tofrom['Attaching'] = 'to'
tofrom['Detaching'] = 'from'
for node, url in urls.items():
r = Comet.put(url)
# print (r)
if r is not None:
if '' != r.strip():
ret += r
else:
ret += "Request Accepted. {} the iso image {} {} of cluster {}\n" \
.format(action, tofrom[action], node, clusterid)
else:
ret += "Something wrong during {} the iso image {} {} of cluster {}!" \
"Please check the command and try again\n" \
.format(action, tofrom[action], node, clusterid)
return ret
def attach_iso(isoname, clusterid, nodeids=None, action='Attaching'):
ret = ''
# print ("Attaching ISO image")
# print ("isoname: %s" % isoname)
#print ("cluster: %s" % clusterid)
# print ("node: %s" % nodeid)
if isoname != '':
isoname = "public/{}".format(isoname)
urls = {}
# attaching to compute node
if nodeids:
nodeids = hostlist.expand_hostlist(nodeids)
for nodeid in nodeids:
url = Comet.url("cluster/{}/compute/{}/attach_iso?iso_name={}")\
.format(clusterid, nodeid, isoname)
urls["Node {}".format(nodeid)] = url
else:
# attaching to fronend node
url = Comet.url("cluster/{}/frontend/attach_iso?iso_name={}")\
.format(clusterid, isoname)
urls['Frontend'] = url
#data = {"iso_name": "%s" % isoname}
# print ("url: %s" % url)
#print ("data: %s" % data)
tofrom = {}
tofrom['Attaching'] = 'to'
tofrom['Detaching'] = 'from'
for node, url in urls.iteritems():
r = Comet.put(url)
# print (r)
if r is not None:
if '' != r.strip():
ret += r
else:
ret += "Requeset Accepted. {} the image {} {} of cluster {}\n"\
.format(action, tofrom[action], node, clusterid)
else:
ret += "Something wrong during {} the image {} {} of cluster {}!"\
"Please check the command and try again\n"\
.format(action, tofrom[action], node, clusterid)
return ret
def power(clusterid, subject, param=None, action=None):
ret = ''
# print ("clusterid: %s" % clusterid)
# print ("subject: %s" % subject)
# print ("param: %s" % param)
# print ("action: %s" % action)
if subject in ['HOSTS']:
nodes_allocated = Cluster.check_nodes_computesets(
clusterid, param)[1]
if nodes_allocated:
hosts_param = hostlist.expand_hostlist(param)
# print (hosts_param)
for host in hosts_param:
url = Comet.url("cluster/{}/compute/{}".format(
clusterid, host))
if action in ["on", "off"]:
action = "power{}".format(action)
puturl = "{}/{}".format(url, action)
# print (puturl)
r = Comet.put(puturl)
if r is not None:
if '' != r.strip():
ret = r
else:
ret += "Request Accepted. " \
"In the process of {} node {}\n" \
.format(action, host)
else:
ret += "Problem executing the request. " \
"Check if the node {} belongs to the cluster" \
.format(host)
# print(ret)
else:
Console.error(
"At least one specified node is not in any "
"active computesets thus cannot be powered on.\n"
"Please start the node(s) with 'comet start' first",
traceflag=False)
elif 'FE' == subject:
url = Comet.url("cluster/{}/frontend/".format(clusterid))
if action in ["on", "off", "reboot", "reset", "shutdown"]:
if action in ["on", "off"]:
action = "power{}".format(action)
puturl = "{}{}".format(url, action)
# print (puturl)
r = Comet.put(puturl)
if r is not None:
if '' != r.strip():
ret = r
else:
ret = "Request Accepted. " \
"In the process of {} the front-end node".format(action)
else:
ret = "Problem executing the request. " \
"Check if the cluster exists"
else:
ret = "Action not supported! Try these: on/off/reboot/reset/shutdown"
elif 'COMPUTESET' == subject:
url = Comet.url("computeset/")
if action in ["on", "off"]:
ret = "Action NOT SUPPORTED! Use 'comet start/terminate'!"
elif action in ["reboot", "reset", "shutdown"]:
if action in ["off"]:
action = "power{}".format(action)
puturl = "{:}{:}/{}".format(url, param, action)
# print (puturl)
r = Comet.put(puturl)
if r is not None:
if '' != r.strip():
ret = r
else:
ret = "Request Accepted. " \
"In the process of {} the computeset".format(action)
else:
ret = "Problem executing the request. " \
"Check if the computeset exists"
else:
ret = "Action not supported! Try these: reboot/reset/shutdown"
return ret
def attach_iso(iso_id_name, clusterid, nodeids=None, action='Attaching'):
ret = ''
# print ("Attaching ISO image")
# print ("iso_id_name: %s" % iso_id_name)
# print ("cluster: %s" % clusterid)
# print ("node: %s" % nodeid)
# obtain the list of iso first to support attach by index
# and easy verification of image name
isodict = {}
isos = (Comet.list_iso())
idx = 0
for iso in isos:
if iso.startswith("public/"):
iso = iso.split("/")[1]
idx += 1
isodict[str(idx)] = iso
if iso_id_name != '':
if iso_id_name.isdigit():
if iso_id_name in isodict:
iso_id_name = isodict[iso_id_name]
else:
iso_id_name = None
else:
if not iso_id_name in list(isodict.values()):
iso_id_name = None
if iso_id_name is not None:
# currently only those in public directory is accessible
# for empty string, DO NOT append as that is for detach
if len(iso_id_name) != 0:
iso_id_name = "public/{}".format(iso_id_name)
urls = {}
# attaching to compute node
if nodeids:
nodeids = hostlist.expand_hostlist(nodeids)
for nodeid in nodeids:
url = Comet.url("cluster/{}/compute/{}/attach_iso?iso_name={}") \
.format(clusterid, nodeid, iso_id_name)
urls["Node {}".format(nodeid)] = url
else:
# attaching to fronend node
url = Comet.url("cluster/{}/frontend/attach_iso?iso_name={}") \
.format(clusterid, iso_id_name)
urls['Frontend'] = url
# data = {"iso_name": "%s" % iso_id_name}
# print ("url: %s" % url)
# print ("data: %s" % data)
tofrom = {}
tofrom['Attaching'] = 'to'
tofrom['Detaching'] = 'from'
for node, url in urls.items():
url = url.replace("+", "%2B")
r = Comet.put(url)
# print (r)
if r is not None:
if '' != r.strip():
ret += r
else:
ret += "Request Accepted. {} the iso image {} {} of cluster {}\n" \
.format(action, tofrom[action], node, clusterid)
else:
ret += "Something wrong during {} the iso image {} {} of cluster {}!" \
"Please check the command and try again\n" \
.format(action, tofrom[action], node, clusterid)
else:
ret = "ERROR: The specified index or image name not matching any from the ISO list!\n"\
"Check 'cm comet iso list'"
return ret
def power(clusterid, subject, param=None, action=None,
allocation=None, walltime=None, numnodes=None):
# print("SUBJECT to perform action on: {}".format(subject))
# print("\ton cluster: {}".format(clusterid))
# print("\tAction: {}".format(action))
# print("\tParameter: {}".format(param))
# print("\tAllocation: {}".format(allocation))
# print("\tWalltime: {}".format(walltime))
# the API is now accepting hostlist format directly
# computeIdsHostlist = hostlist.collect_hostlist(computeids)
# print (computeIdsHostlist)
ret = ''
#
# Now it accepts
# {"cluster":"vc3","computes":"compute[1-2]"},
# {"cluster":"vc3","computes":["compute1","compute2"]} and
# {"cluster":"vc3","count":2}
#
if subject in ['HOSTS', 'HOST']:
# power on N arbitrary nodes
if numnodes:
if "on" == action:
if not allocation:
cluster = Cluster.list(clusterid, format='rest')
# use the first one if no provided
allocation = cluster[0]['allocations'][0]
if not walltime:
walltime = Cluster.WALLTIME_MINS
posturl = Comet.url("computeset/")
data = {"cluster":"%s" % clusterid,
"count": "%s" % numnodes,
"walltime_mins": "%s" % walltime,
"allocation": "%s" % allocation}
r = Comet.post(posturl, data=data)
# print("RETURNED RESULTS:")
# print (r)
if 'cluster' in r:
if 'state' in r and \
('queued' == r['state'] or \
'submitted' == r['state'] or \
'created' == r['state']):
computesetid = r['id']
ret = 'Request accepted! Check status with:\n' \
'comet cluster {}\n'.format(clusterid) + \
'or:\n' \
'comet computeset {}\n'.format(computesetid)
else:
# in case of some internal problem
ret = ''
elif 'error' in r:
ret = "An error occurred: {}".format(r['error'])
else:
ret = "An internal error occured. "\
"Please submit a ticket with the "\
"following info:\n {}\n"\
.format(r)
# cannot power off or reboot N arbitrary nodes
else:
ret = "Action NOT SUPPORTED! Try with explicit "\
"node name(s) or computeset id"
# parse based on NODEPARAM parameter
# could be computeset id; front end; or hostlist named compute nodes
else:
hosts_param = hostlist.expand_hostlist(param)
hosts_param_set = set(hosts_param)
nodes_free = True
nodes_allocated = False
nodes_checked = False
# computesetid = -1
computesets = Comet.get_computeset()
for computeset in computesets:
if computeset["cluster"] == clusterid \
and (computeset["state"] == "started" or
computeset["state"] == "running"):
computesetid = computeset["id"]
# print (computesetid)
hosts = set()
for compute in computeset["computes"]:
hosts.add(compute["name"])
# print (hosts)
if hosts_param_set <= hosts:
nodes_allocated = True
nodes_free = False
nodes_checked = True
# at least one specified host not in any Active computeset
else:
for host in hosts_param:
# some specified nodes are in Active computeset
if host in hosts:
nodes_free = False
nodes_checked = True
break
# a cluster could have multiple 'started' set
if nodes_checked:
break
# print ("nodes_checked: %s" % nodes_checked)
# print ("nodes_allocated: %s" % nodes_allocated)
# print ("nodes_free: %s" % nodes_free)
if not (nodes_free or nodes_allocated):
ret = "Error: Some nodes are already in active computesets"
else:
if "on" == action:
if not allocation:
cluster = Cluster.list(clusterid, format='rest')
# use the first one if no provided
allocation = cluster[0]['allocations'][0]
if not walltime:
walltime = Cluster.WALLTIME_MINS
data = {"computes": "%s" % param,
"cluster": "%s" % clusterid,
"walltime_mins": "%s" % walltime,
"allocation": "%s" % allocation}
if nodes_free:
# print("Issuing request to poweron nodes...")
url = Comet.url("computeset/")
posturl = url
# print (data)
r = Comet.post(posturl, data=data)
# print("RETURNED RESULTS:")
# print (r)
if 'cluster' in r:
if 'state' in r and \
('queued' == r['state'] or 'submitted' == r['state']):
computesetid = r['id']
ret = 'Request accepted! Check status with:\n' \
'comet cluster {}\n'.format(clusterid) + \
'or:\n' \
'comet computeset {}\n'.format(computesetid)
else:
# in case of some internal problem
ret = ''
elif 'error' in r:
ret = "An error occurred: {}".format(r['error'])
else:
ret = "An internal error occured. "\
"Please submit a ticket with the "\
"following info:\n {}\n"\
.format(r)
elif nodes_allocated:
ret = ""
for host in hosts_param:
url = Comet.url("cluster/{}/compute/{}/"
.format(clusterid, host))
action = "poweron"
puturl = "{}{}".format(url, action)
# print (puturl)
r = Comet.put(puturl)
if r is not None:
if '' != r.strip():
ret += r
else:
ret += "Requeset Accepted. "\
"In the process of power on node {}\n"\
.format(host)
else:
ret += "Problem executing the request. "\
"Check if the node {} belongs to the cluster"\
.format(host)
# print(ret)
elif action in ["off", "reboot", "reset", "shutdown"]:
if action in ["off"]:
action = "power{}".format(action)
if nodes_allocated:
ret = ""
for host in hosts_param:
url = Comet.url("cluster/{}/compute/{}/"
.format(clusterid, host))
puturl = "{}{}".format(url, action)
# print (puturl)
r = Comet.put(puturl)
if r is not None:
if '' != r.strip():
ret = r
else:
ret += "Requeset Accepted. "\
"In the process of {} node {}\n"\
.format(action, host)
else:
ret += "Problem executing the request. "\
"Check if the node {} belongs to the cluster"\
.format(host)
elif nodes_free:
ret = "Error: The specified nodes are "\
"not in active computesets"
else:
ret = "Action not supported! Try these: "\
"on/off/reboot/reset/shutdown"
elif 'FE' == subject:
url = Comet.url("cluster/{}/frontend/".format(clusterid))
if action in ["on", "off", "reboot", "reset", "shutdown"]:
if action in ["on", "off"]:
action = "power{}".format(action)
puturl = "{}{}".format(url, action)
# print (puturl)
r = Comet.put(puturl)
if r is not None:
if '' != r.strip():
ret = r
else:
ret = "Requeset Accepted. "\
"In the process of {} the front-end node".format(action)
else:
ret = "Problem executing the request. "\
"Check if the cluster exists"
else:
ret = "Action not supported! Try these: on/off/reboot/reset/shutdown"
elif 'COMPUTESET' == subject:
url = Comet.url("computeset/")
if 'on' == action:
ret = "NOT SUPPORTED! Use hostslist to specify the hosts to power on!"
elif action in ["off", "reboot", "reset", "shutdown"]:
if action in ["off"]:
action = "power{}".format(action)
puturl = "{:}{:}/{}".format(url, param, action)
# print (puturl)
r = Comet.put(puturl)
if r is not None:
if '' != r.strip():
ret = r
else:
ret = "Requeset Accepted. "\
"In the process of {} the nodes".format(action)
else:
ret = "Problem executing the request. "\
"Check if the computeset exists"
else:
ret = "Action not supported! Try these: on/off/reboot/reset/shutdown"
'''
elif 'HOST' == subject:
computesets = Comet.get_computeset()
pprint (computesets)
for computeset in computesets:
if computeset["cluster"] == clusterid \
and (computeset["state"] == "started" \
or computeset["state"] == "running"):
computesetid = computeset["id"]
# print (computesetid)
hosts = set()
for compute in computeset["computes"]:
hosts.add(compute["name"])
# print (hosts)
is_valid_set = True
hostsparam = Parameter.expand(param)
for host in hostsparam:
if host not in hosts:
is_valid_set = False
break
url = Comet.url("cluster/{}/compute/{}/".format(clusterid, param))
if action in ["on", "off", "reboot", "reset", "shutdown"]:
if action in ["on", "off"]:
action = "power{}".format(action)
puturl = "{}{}".format(url, action)
# print (puturl)
r = Comet.put(puturl)
if r is not None:
if '' != r.strip():
ret = r
else:
ret = "Requeset Accepted. "\
"In the process of {} the nodes".format(action)
else:
ret = "Problem executing the request. "\
"Check if the node belongs to the cluster"
else:
ret = "Action not supported! Try these: on/off/reboot/reset/shutdown"
'''
# """
return ret
def power(clusterid, subject, param=None, action=None):
ret = ''
# print ("clusterid: %s" % clusterid)
# print ("subject: %s" % subject)
# print ("param: %s" % param)
# print ("action: %s" % action)
if subject in ['HOSTS']:
nodes_allocated = Cluster.check_nodes_computesets(clusterid, param)[1]
if nodes_allocated:
hosts_param = hostlist.expand_hostlist(param)
# print (hosts_param)
for host in hosts_param:
url = Comet.url("cluster/{}/compute/{}"
.format(clusterid, host))
if action in ["on", "off"]:
action = "power{}".format(action)
puturl = "{}/{}".format(url, action)
# print (puturl)
r = Comet.put(puturl)
if r is not None:
if '' != r.strip():
ret = r
else:
ret += "Request Accepted. " \
"In the process of {} node {}\n" \
.format(action, host)
else:
ret += "Problem executing the request. " \
"Check if the node {} belongs to the cluster" \
.format(host)
# print(ret)
else:
Console.error("At least one specified node is not in any "
"active computesets thus cannot be powered on.\n"
"Please start the node(s) with 'comet start' first",
traceflag=False)
elif 'FE' == subject:
url = Comet.url("cluster/{}/frontend/".format(clusterid))
if action in ["on", "off", "reboot", "reset", "shutdown"]:
if action in ["on", "off"]:
action = "power{}".format(action)
puturl = "{}{}".format(url, action)
# print (puturl)
r = Comet.put(puturl)
if r is not None:
if '' != r.strip():
ret = r
else:
ret = "Request Accepted. " \
"In the process of {} the front-end node".format(action)
else:
ret = "Problem executing the request. " \
"Check if the cluster exists"
else:
ret = "Action not supported! Try these: on/off/reboot/reset/shutdown"
elif 'COMPUTESET' == subject:
url = Comet.url("computeset/")
if action in ["on", "off"]:
ret = "Action NOT SUPPORTED! Use 'comet start/terminate'!"
elif action in ["reboot", "reset", "shutdown"]:
if action in ["off"]:
action = "power{}".format(action)
puturl = "{:}{:}/{}".format(url, param, action)
# print (puturl)
r = Comet.put(puturl)
if r is not None:
if '' != r.strip():
ret = r
else:
ret = "Request Accepted. " \
"In the process of {} the computeset".format(action)
else:
ret = "Problem executing the request. " \
"Check if the computeset exists"
else:
ret = "Action not supported! Try these: reboot/reset/shutdown"
return ret
def power(clusterid, subject, param=None, action=None):
# print("SUBJECT to perform action on: {}".format(subject))
# print("\ton cluster: {}".format(clusterid))
# print("\tAction: {}".format(action))
# print("\tParameter: {}".format(param))
# the API is now accepting hostlist format directly
# computeIdsHostlist = hostlist.collect_hostlist(computeids)
# print (computeIdsHostlist)
ret = ''
if 'HOSTS' == subject:
url = Comet.url("computeset/")
# data = {
# "computes": [{"name": vm, "host": "comet-{:}".format(vm)} for vm in
# computeids], "cluster": "%s" % id}
data = {"computes": "%s" % param,
"cluster": "%s" % clusterid,
"walltime_mins": "%s" % Cluster.WALLTIME_MINS}
# print (data)
if "on" == action:
# print("Issuing request to poweron nodes...")
posturl = url
# print (data)
r = Comet.post(posturl, data=data)
# print("RETURNED RESULTS:")
# print (r)
if 'cluster' in r:
if 'state' in r and \
('queued' == r['state'] or 'submitted' == r['state']):
computesetid = r['id']
ret = 'Request accepted! Check status with:\n' \
'comet cluster {}\n'.format(clusterid) + \
'or:\n' \
'comet computeset {}\n'.format(computesetid)
else:
# in case of some internal problem
ret = ''
elif 'error' in r:
ret = "An error occurred: {}".format(r['error'])
else:
ret = "An internal error occured. " \
"Please submit a ticket with following info:\n {}\n" \
.format(r)
# print(ret)
elif action in ["off", "reboot", "reset", "shutdown"]:
if action in ["off"]:
action = "power{}".format(action)
# print("finding the computesetid of the specified nodes...")
computesets = Comet.get_computeset()
# print ("computesets")
# pprint (computesets)
is_valid_set = False
# computesetid = -1
for computeset in computesets:
if computeset["cluster"] == clusterid \
and (computeset["state"] == "started" \
or computeset["state"] == "running"):
computesetid = computeset["id"]
# print (computesetid)
hosts = set()
for compute in computeset["computes"]:
hosts.add(compute["name"])
# print (hosts)
is_valid_set = True
hostsparam = Parameter.expand(param)
for host in hostsparam:
if host not in hosts:
is_valid_set = False
break
# a cluster could have multiple 'started' set
if is_valid_set:
break
if is_valid_set:
# print("Issuing request to poweroff nodes...")
# print("computesetid: {}".format(computesetid))
puturl = "{:}{:}/{}".format(url, computesetid, action)
# print (puturl)
r = Comet.put(puturl)
# print("RETURNED RESULTS:")
# print(r)
if r is not None:
if '' != r.strip():
ret = r
# print(r)
else:
ret = "Requeset Accepted. "\
"In the process of {} the nodes".format(action)
else:
ret = "Unknown error: POWER, HOSTS"
else:
ret = "All the nodes are not in the specified cluster, "\
"or they are not running"
else:
ret = "Action not supported! Try these: on/off/reboot/reset/shutdown"
elif 'FE' == subject:
url = Comet.url("cluster/{}/frontend/".format(clusterid))
if action in ["on", "off", "reboot", "reset", "shutdown"]:
if action in ["on", "off"]:
action = "power{}".format(action)
puturl = "{}{}".format(url, action)
# print (puturl)
r = Comet.put(puturl)
if r is not None:
if '' != r.strip():
ret = r
else:
ret = "Requeset Accepted. "\
"In the process of {} the nodes".format(action)
else:
ret = "Problem executing the request. "\
"Check if the cluster exists"
else:
ret = "Action not supported! Try these: on/off/reboot/reset/shutdown"
elif 'COMPUTESET' == subject:
url = Comet.url("computeset/")
if 'on' == action:
ret = "NOT SUPPORTED! Use hostslist to specify the hosts to power on!"
elif action in ["off", "reboot", "reset", "shutdown"]:
if action in ["off"]:
action = "power{}".format(action)
puturl = "{:}{:}/{}".format(url, param, action)
# print (puturl)
r = Comet.put(puturl)
if r is not None:
if '' != r.strip():
ret = r
else:
ret = "Requeset Accepted. "\
"In the process of {} the nodes".format(action)
else:
ret = "Problem executing the request. "\
"Check if the computeset exists"
else:
ret = "Action not supported! Try these: on/off/reboot/reset/shutdown"
elif 'HOST' == subject:
url = Comet.url("cluster/{}/compute/{}/".format(clusterid, param))
if action in ["on", "off", "reboot", "reset", "shutdown"]:
if action in ["on", "off"]:
action = "power{}".format(action)
puturl = "{}{}".format(url, action)
# print (puturl)
r = Comet.put(puturl)
if r is not None:
if '' != r.strip():
ret = r
else:
ret = "Requeset Accepted. "\
"In the process of {} the nodes".format(action)
else:
ret = "Problem executing the request. "\
"Check if the node belongs to the cluster"
else:
ret = "Action not supported! Try these: on/off/reboot/reset/shutdown"
return ret
def attach_iso(iso_id_name, clusterid, nodeids=None, action='Attaching'):
ret = ''
# print ("Attaching ISO image")
# print ("iso_id_name: %s" % iso_id_name)
# print ("cluster: %s" % clusterid)
# print ("node: %s" % nodeid)
# obtain the list of iso first to support attach by index
# and easy verification of image name
isodict = {}
isos = (Comet.list_iso())
idx = 0
for iso in isos:
if iso.startswith("public/"):
iso = iso.split("/")[1]
idx += 1
isodict[str(idx)] = iso
if iso_id_name != '':
if iso_id_name.isdigit():
if iso_id_name in isodict:
iso_id_name = isodict[iso_id_name]
else:
iso_id_name = None
else:
if not iso_id_name in list(isodict.values()):
iso_id_name = None
if iso_id_name is not None:
iso_id_name = "public/{}".format(iso_id_name)
urls = {}
# attaching to compute node
if nodeids:
nodeids = hostlist.expand_hostlist(nodeids)
for nodeid in nodeids:
url = Comet.url("cluster/{}/compute/{}/attach_iso?iso_name={}") \
.format(clusterid, nodeid, iso_id_name)
urls["Node {}".format(nodeid)] = url
else:
# attaching to fronend node
url = Comet.url("cluster/{}/frontend/attach_iso?iso_name={}") \
.format(clusterid, iso_id_name)
urls['Frontend'] = url
# data = {"iso_name": "%s" % iso_id_name}
# print ("url: %s" % url)
# print ("data: %s" % data)
tofrom = {}
tofrom['Attaching'] = 'to'
tofrom['Detaching'] = 'from'
for node, url in urls.items():
r = Comet.put(url)
# print (r)
if r is not None:
if '' != r.strip():
ret += r
else:
ret += "Request Accepted. {} the iso image {} {} of cluster {}\n" \
.format(action, tofrom[action], node, clusterid)
else:
ret += "Something wrong during {} the iso image {} {} of cluster {}!" \
"Please check the command and try again\n" \
.format(action, tofrom[action], node, clusterid)
else:
ret = "ERROR: The specified index or image name not matching any from the ISO list!\n"\
"Check 'cm comet iso list'"
return ret
