from nepi.execution.attribute import Attribute, Flags, Types
from nepi.execution.trace import Trace, TraceAttr
from nepi.execution.resource import clsinit_copy, ResourceState, \
- ResourceAction
-from nepi.resources.linux.ccn.ccnapplication import LinuxCCNApplication
+ ResourceAction, reschedule_delay
+from nepi.resources.linux.application import LinuxApplication
from nepi.resources.linux.ccn.ccnd import LinuxCCND
from nepi.util.timefuncs import tnow
import os
@clsinit_copy
-class LinuxCCNR(LinuxCCNApplication):
+class LinuxCCNR(LinuxApplication):
_rtype = "LinuxCCNR"
@classmethod
super(LinuxCCNR, self).__init__(ec, guid)
self._home = "ccnr-%s" % self.guid
+ @property
+ def ccnd(self):
+ ccnd = self.get_connected(LinuxCCND.rtype())
+ if ccnd: return ccnd[0]
+ return None
+
+ @property
+ def node(self):
+ if self.ccnd: return self.ccnd.node
+ return None
+
def deploy(self):
if not self.ccnd or self.ccnd.state < ResourceState.READY:
self.debug("---- RESCHEDULING DEPLOY ---- CCND state %s " % self.ccnd.state )
- reschedule_delay = "0.5s"
# ccnr needs to wait until ccnd is deployed and running
self.ec.schedule(reschedule_delay, self.deploy)
else:
- command = self._start_command
- env = self._environment
+ try:
+ if not self.get("command"):
+ self.set("command", self._start_command)
- self.set("command", command)
- self.set("env", env)
+ if not self.get("env"):
+ self.set("env", self._environment)
- self.info("Deploying command '%s' " % command)
+ command = self.get("command")
- self.node.mkdir(self.app_home)
+ self.info("Deploying command '%s' " % command)
- # upload sources
- self.upload_sources()
+ self.discover()
+ self.provision()
+ except:
+ self.fail()
+ raise
+
+ self.debug("----- READY ---- ")
+ self._ready_time = tnow()
+ self._state = ResourceState.READY
+ def upload_start_command(self):
+ command = self.get("command")
+ env = self.get("env")
+
+ if command:
# We want to make sure the repository is running
# before the experiment starts.
# Run the command as a bash script in background,
env = self.replace_paths(env)
command = self.replace_paths(command)
- self.node.run_and_wait(command, self.app_home,
+ shfile = os.path.join(self.app_home, "start.sh")
+ self.node.run_and_wait(command, self.run_home,
+ shfile = shfile,
+ overwrite = False,
env = env,
- shfile = "app.sh",
raise_on_error = True)
-
- self.debug("----- READY ---- ")
- self._ready_time = tnow()
- self._state = ResourceState.READY
-
+
def start(self):
if self._state == ResourceState.READY:
command = self.get("command")
"ccnsSyncScope": "CCNS_SYNC_SCOPE",
})
- env = "PATH=$PATH:${EXP_HOME}/ccnx/bin "
+ env = self.ccnd.path
env += " ".join(map(lambda k: "%s=%s" % (envs.get(k), self.get(k)) \
if self.get(k) else "", envs.keys()))