def copyApp(fromdir, to, appDir=None):
"Private: Copy application files to the other blades"
logdir = os.getenv("ASP_LOGDIR")
if logdir:
logFileName = logdir + os.sep + 'appdeploy.log'
else:
logFileName = 'appdeploy.log'
try:
fout = file(logFileName, 'w+')
except: # lack of debug logging should not be fatal
fout = None
exp = pexpect.spawn('bash')
exp.delaybeforesend = 0 # to make sessions a lot faster
i = exp.expect([pexpect.TIMEOUT, '[$#>]'], timeout=10)
if i == 0: # timeout
raise DeployError("Could not start bash session")
exp.setwinsize(200, 1024)
exp.logfile = fout
exp.sendline("export PS1='_expectpromptlocal_'")
pshell = psh.Psh(exp, '_expectpromptlocal_')
# the "to" argument can be a string containing the node name, slot number or IP address, OR it can be an AmfNodeEntity
if type(to) is type(""):
node = clusterinfo.ci.nodes[to]
else:
node = to
try:
fout2 = file(logFileName + "1", 'w+')
except:
fout2 = None
retries = 0
while retries < 4:
retries += 1
tgtexp = pxssh.pxssh()
tgtexp.logfile = fout2
log.info("Connecting to %s user %s pw %s" %
(node.localIp, node.localUser, node.localPasswd))
try:
result = tgtexp.login(node.localIp,
node.localUser,
node.localPasswd,
login_timeout=30)
retries = 10000
except pxssh.ExceptionPxssh, e: # Could not synchronize with original prompt
if retries > 3:
raise DeployError("Cannot connect to %s exception: %s" %
(node.localIp, str(e)))
def copyApp(fromdir,to,appDir=None):
"Private: Copy application files to the other blades"
logdir = os.getenv("ASP_LOGDIR")
if logdir:
logFileName = logdir + os.sep + 'appdeploy.log'
else:
logFileName = 'appdeploy.log'
try:
fout = file(logFileName, 'w+')
except: # lack of debug logging should not be fatal
fout = None
exp = pexpect.spawn('bash')
exp.delaybeforesend = 0 # to make sessions a lot faster
i = exp.expect([pexpect.TIMEOUT, '[$#>]'], timeout=10)
if i==0: # timeout
raise DeployError("Could not start bash session")
exp.setwinsize(200, 1024)
exp.logfile = fout
exp.sendline("export PS1='_expectpromptlocal_'")
pshell = psh.Psh(exp, '_expectpromptlocal_')
# the "to" argument can be a string containing the node name, slot number or IP address, OR it can be an AmfNodeEntity
if type(to) is type(""):
node = clusterinfo.ci.nodes[to]
else:
node = to
try:
fout2 = file(logFileName + "1", 'w+')
except:
fout2 = None
retries = 0
while retries<4:
retries += 1
tgtexp = pxssh.pxssh()
tgtexp.logfile = fout2
log.info("Connecting to %s user %s pw %s" % (node.localIp, node.localUser, node.localPasswd))
try:
result = tgtexp.login(node.localIp, node.localUser, node.localPasswd, login_timeout=30)
retries = 10000
except pxssh.ExceptionPxssh,e: # Could not synchronize with original prompt
if retries>3: raise DeployError("Cannot connect to %s exception: %s" % (node.localIp,str(e)))
def ReloadApps(self):
"""Reload the entire DB from archive files in the AppArchiveDir"""
self.apps = {} # Clear the old objects
# Find all .tgz files in the app dir and process them
for base, dirs, files in os.walk(self.appdir):
# Blow away all the temporary directories
for d in dirs:
os.removedirs(base + os.sep + d)
for f in files:
(noext, ext) = os.path.splitext(f)
if ext == ".tgz" or ext == ".tar.gz":
try:
self.NewAppFile(base + os.sep + f)
except Error, e: # Bad file
log.info("Bad archive [%s] error: [%s]" % (base + os.sep + f, str(e)))
os.remove(base + os.sep + f)
except xml2dict.BadConfigFile, e:
log.info("Bad archive [%s] error: [%s]" % (base + os.sep + f, str(e)))
def createModel(fromdir,cfg,tgtblades,specifiedNodes):
ci = clusterinfo.ci
notes = []
errors = []
# Create the SAF AMF entities corresponding to this application
for (appname,appcfg) in cfg.items():
integration = appcfg.get("GuiIntegration",None)
if integration:
install = integration.install
exec install in globals(), {}
basename = appcfg.get("deployPrefix",appname) # Deploy preferentially with the deployment prefix, but use the app name if there isn't one
nameIndex = 0
for existingSg in ci.sgList:
if basename + "SGi" in existingSg.name:
i = int(existingSg.name.replace(basename + "SGi",""))
if i >= nameIndex: nameIndex = i+1
if nameIndex:
notes.append("Name %s exists, so appending the numeral %d." % (basename,nameIndex))
compNames = appcfg.programNames.values()
nodes = []
ninst = 1
if appcfg.modifiers.has_key('instancesPerNode'):
ninst = int(appcfg.modifiers.instancesPerNode)
tgtblades = tgtblades * ninst
if specifiedNodes:
numNodes = len(tgtblades) # We deploy to where the user selected
else:
numNodes = min(appcfg.totalNodes*ninst,len(tgtblades)) # If no blades chosen, we just deploy the recommended instance(s)
if appcfg.redundancyModel in ["2N", "2n", "2"]:
log.info("%s uses 2N redundancy model" % basename)
appcfg.rModel = "2N"
appcfg.activePerSg = 1
appcfg.standbyPerSg = 1
nodesPerSg = 2
elif appcfg.redundancyModel.lower() == "custom":
appcfg.rModel = "custom"
nodesPerSg = appcfg.totalNodes
appcfg.setdefault("activePerSg", nodesPerSg)
appcfg.setdefault("standbyPerSg", 0)
else:
log.info("%s uses N+M redundancy model" % basename)
regexp = r'\s*(?P<active>\d+)\s*\+\s*(?P<standby>\d+)\s*'
m = re.match(regexp, appcfg.redundancyModel)
d = m.groupdict()
appcfg.rModel = "M+N"
# This configures the SG exactly as suggested in the appcfg.xml
# appcfg.activePerSg = int(d['active'])
# appcfg.standbyPerSg = int(d['standby'])
# nodesPerSg = appcfg.activePerSg + appcfg.standbyPerSg
try: # If the # active is not a number then that's ok (see below)
active = int(d['active'])
except:
active = None
standby = int(d['standby'])
if numNodes<3 and standby>0: # If there's 1 or 2 nodes, use 1+1
appcfg.activePerSg = 1
appcfg.standbyPerSg = 1
elif active is None: # (N+1) Keep the specified # of standby and let active grow.
appcfg.standbyPerSg = standby
appcfg.activePerSg = max(1,numNodes-standby) # But at least 1 active of course
else: # (3+1) Make sure there's at least 1 standby, otherwise keep the ratio intact
sbratio = float(standby)/(float(active)+float(standby))
nstandby = int(numNodes*sbratio)
if nstandby < 1: nstandby = 1
appcfg.standbyPerSg = nstandby
appcfg.activePerSg = max(1,numNodes-standby) # But at least 1 active of course
# Assign each node to an SG.
if 0: # This logic generates multiple SGs if more nodes are passed than numNodes
nodeCnt = 0
while nodeCnt < numNodes:
sgNodes = []
for perSg in range(0,nodesPerSg):
if nodeCnt >= numNodes: break
sgNodes.append(tgtblades[nodeCnt])
nodeCnt +=1
nodes.append(sgNodes) # Make a list of sgs which is therefore a list of lists of nodes
else: # Instead, I'm just going to create a bigger SG
nodes.append(tgtblades[0:numNodes])
log.debug("Nodes: %s" % str([[x.name for x in y] for y in nodes]))
entities = aspAmfCreate.CreateApp(compNames,nodes,appcfg,appcfg.get('work', None),basename, {},nameIndex)
return (entities,(errors,notes))
def ConnectToServiceGroups(self, cinfo=None):
""" Iterate through the clusterinfo service groups and connect them up to apps and appfiles
"""
if cinfo is None:
cinfo = ci
# Clear out the old connections
for e in self.entities.values():
e.sg = []
log.info("Connecting App Database to existing Service Groups")
for sg in cinfo.sgList:
if sg.associatedData:
log.info("Service Group %s, data: %s" % (sg.name, sg.associatedData))
try:
[appName, appVer] = sg.associatedData.split()
except ValueError: # The data isn't in the right format, so it is probably not for me
log.info(
"Improperly formatted entity associated data [%s]. Expecting 'appName version'."
% (sg.associatedData)
)
continue
# appName = None # skip the rest of the logic for this SG
app = self.entities.get(appName, None)
if app:
log.info("App %s found" % (app.name))
app.sg.append(sg)
appFile = app.version.get(appVer, None)
sg.app = app
if appFile:
log.info("AppFile %s found" % (appFile.name))
appFile.sg.append(sg)
sg.appVer = appFile
else:
log.info("Service Group %s, no app data" % (sg.name))
def createModel(fromdir, cfg, tgtblades, specifiedNodes):
ci = clusterinfo.ci
notes = []
errors = []
# Create the SAF AMF entities corresponding to this application
for (appname, appcfg) in cfg.items():
integration = appcfg.get("GuiIntegration", None)
if integration:
install = integration.install
exec install in globals(), {}
basename = appcfg.get(
"deployPrefix", appname
) # Deploy preferentially with the deployment prefix, but use the app name if there isn't one
nameIndex = 0
for existingSg in ci.sgList:
if basename + "SGi" in existingSg.name:
i = int(existingSg.name.replace(basename + "SGi", ""))
if i >= nameIndex: nameIndex = i + 1
if nameIndex:
notes.append("Name %s exists, so appending the numeral %d." %
(basename, nameIndex))
compNames = appcfg.programNames.values()
nodes = []
ninst = 1
if appcfg.modifiers.has_key('instancesPerNode'):
ninst = int(appcfg.modifiers.instancesPerNode)
tgtblades = tgtblades * ninst
if specifiedNodes:
numNodes = len(tgtblades) # We deploy to where the user selected
else:
numNodes = min(
appcfg.totalNodes * ninst, len(tgtblades)
) # If no blades chosen, we just deploy the recommended instance(s)
if appcfg.redundancyModel in ["2N", "2n", "2"]:
log.info("%s uses 2N redundancy model" % basename)
appcfg.rModel = "2N"
appcfg.activePerSg = 1
appcfg.standbyPerSg = 1
nodesPerSg = 2
elif appcfg.redundancyModel.lower() == "custom":
appcfg.rModel = "custom"
nodesPerSg = appcfg.totalNodes
appcfg.setdefault("activePerSg", nodesPerSg)
appcfg.setdefault("standbyPerSg", 0)
else:
log.info("%s uses N+M redundancy model" % basename)
regexp = r'\s*(?P<active>\d+)\s*\+\s*(?P<standby>\d+)\s*'
m = re.match(regexp, appcfg.redundancyModel)
d = m.groupdict()
appcfg.rModel = "M+N"
# This configures the SG exactly as suggested in the appcfg.xml
# appcfg.activePerSg = int(d['active'])
# appcfg.standbyPerSg = int(d['standby'])
# nodesPerSg = appcfg.activePerSg + appcfg.standbyPerSg
try: # If the # active is not a number then that's ok (see below)
active = int(d['active'])
except:
active = None
standby = int(d['standby'])
if numNodes < 3 and standby > 0: # If there's 1 or 2 nodes, use 1+1
appcfg.activePerSg = 1
appcfg.standbyPerSg = 1
elif active is None: # (N+1) Keep the specified # of standby and let active grow.
appcfg.standbyPerSg = standby
appcfg.activePerSg = max(
1, numNodes - standby) # But at least 1 active of course
else: # (3+1) Make sure there's at least 1 standby, otherwise keep the ratio intact
sbratio = float(standby) / (float(active) + float(standby))
nstandby = int(numNodes * sbratio)
if nstandby < 1: nstandby = 1
appcfg.standbyPerSg = nstandby
appcfg.activePerSg = max(
1, numNodes - standby) # But at least 1 active of course
# Assign each node to an SG.
if 0: # This logic generates multiple SGs if more nodes are passed than numNodes
nodeCnt = 0
while nodeCnt < numNodes:
sgNodes = []
for perSg in range(0, nodesPerSg):
if nodeCnt >= numNodes: break
sgNodes.append(tgtblades[nodeCnt])
nodeCnt += 1
nodes.append(
sgNodes
) # Make a list of sgs which is therefore a list of lists of nodes
else: # Instead, I'm just going to create a bigger SG
nodes.append(tgtblades[0:numNodes])
log.debug("Nodes: %s" % str([[x.name for x in y] for y in nodes]))
entities = aspAmfCreate.CreateApp(compNames, nodes, appcfg,
appcfg.get('work', None), basename,
{}, nameIndex)
return (entities, (errors, notes))
