def pullC(self):
"""
This pull input image
"""
logger.debug(self.dock_pull)
if self.dock_pull:
logger.info(
"Trying to pull %s from docker repo:%s ... \n "
"\t \t \tThis can take some time, please wait...",
self.dock_image, self.repository)
if self.repository:
self.dock_image = self.repository + '/' + self.dock_image
logger.debug("Repo+image:%s", self.dock_image)
try:
ret = self.dc.pull(self.dock_image)
#logger.debug("%s", ret)
if "404" in ret:
logger.error("Failed to pull %s from provided docker repo",
self.dock_image)
return False
else:
logger.info("Successfully pulled docker image:%s" %
(self.dock_image))
return True
except Exception as e:
logger.critical("Failed to pull %s with an exception: %s",
self.dock_image, e)
return False
else:
logger.debug("Dont attempt to pull given image from docker repo")
return True
def pullC(self):
"""
This pull input image
"""
logger.debug(self.dock_pull)
if self.dock_pull:
logger.info("Trying to pull %s from docker repo:%s ... \n "
"\t \t \tThis can take some time, please wait...", self.dock_image, self.repository)
if self.repository:
self.dock_image=self.repository+'/'+self.dock_image
logger.debug("Repo+image:%s", self.dock_image)
try:
ret = self.dc.pull(self.dock_image)
#logger.debug("%s", ret)
if "404" in ret:
logger.error("Failed to pull %s from provided docker repo", self.dock_image)
return False
else:
logger.info("Successfully pulled docker image:%s" % (self.dock_image))
return True
except Exception as e:
logger.critical("Failed to pull %s with an exception: %s", self.dock_image, e)
return False
else:
logger.debug("Dont attempt to pull given image from docker repo")
return True
def gluster_install(self, version):
failed_package_nodes=[]
failed_install_nodes=[]
nodes = run_helper.get_nodes_ip()
logger.info("Trying to install gluster on %s nodes ", nodes)
gluster_package_command = 'yum -y install python-devel python-setuptools gcc deltarpm yum-utils git \
autoconf automake bison dos2unix flex glib2-devel \
libaio-devel libattr-devel libibverbs-devel \
librdmacm-devel libtool libxml2-devel make openssl-devel \
pkgconfig python-devel python-eventlet python-netifaces \
python-paste-deploy python-simplejson python-sphinx \
python-webob pyxattr readline-devel rpm-build gdb dbench \
net-tools systemtap-sdt-devel attr psmisc findutils which \
xfsprogs yajl-devel lvm2-devel e2fsprogs mock nfs-utils \
openssh-server supervisor openssl fuse-libs wget >/dev/null'
#gluster_package_command='ls'
#gluster_install_command = 'cd /root/glusterfs && make install'
gluster_install_command = "rm -rf /root/glusterfs && cd /root && git clone git://review.gluster.org/glusterfs && cd glusterfs && \
git checkout -b %s origin/release-%s && ./autogen.sh >/dev/null && ./configure>/dev/null && make >/dev/null && make install> /dev/null " %(version, version)
for node in nodes:
flag = flag1 = status1 = status2 = 0
logger.info("Configuring/installing on node:%s", node)
status1 = run_helper.run_command(node, gluster_package_command, True)
#time.sleep(20)
if status1:
logger.error('Required Gluster package installation failed on node: %s' , node)
failed_package_nodes.append(node)
flag = 1
else:
logger.info("Continuing ..")
status2 = run_helper.run_command(node, gluster_install_command, True)
time.sleep(20)
if status2:
logger.error("Failed to configure GlusterFs from source repository ")
failed_install_nodes.append(node)
flag1 = 1
else:
logger.info("Successfully configured GlusterFS binary on node:%s", node)
if status1 or status2:
logger.critical("Failed to install gluster packages on:%s or GlusterFs binary installation failed on :%s ", failed_package_nodes, failed_install_nodes)
else:
logger.info("Successful Gluster Package Installation and GlusterFS Binary installation on all the nodes!")
# if status1 == 0 and status2 == 0:
# logger.info("Everything went fine")
return
def __init__(self, *args, **kwargs):
for k, w in kwargs.items():
logger.debug("%s :%s" % (k, w))
self.proc = w
if w == "docker":
if os.path.exists("/usr/bin/systemctl"):
self.cmd = 'systemctl start docker'
else:
self.cmd = 'docker -d'
logger.debug(self.cmd)
else:
logger.error("Unknown process %s ..exiting" % (w))
self.cmd = 'exit 1'
def connectD(self):
try:
# note: "version" can play a role in functionality
self.dc = docker.Client(base_url=DOCK_SOCK,
version=DOCK_VERSION,
timeout=30)
if self.dc:
dcinfo = self.dc.info()
logger.debug("Docker information \n %s", dcinfo)
else:
logger.critical("Failed to get docker info:")
except Exception as e:
logger.error(e)
sys.exit(1)
return self.dc
def connectD(self):
try:
# note: "version" can play a role in functionality
self.dc = docker.Client(base_url=DOCK_SOCK,
version=DOCK_VERSION,
timeout=30)
if self.dc:
dcinfo = self.dc.info()
logger.debug("Docker information \n %s", dcinfo)
else:
logger.critical("Failed to get docker info:")
except Exception as e:
logger.error(e)
sys.exit(1)
return self.dc
def runC(self , image_tag, gl_flag, gluster_dict={}, ):
"""
Run the container
Creates a container that can then be `start`ed.
Parameters are similar to those for the `docker run` command
except it doesn't support the attach options (`-a`). See "Port bindings" and "Using volumes" for
more information on how to create port bindings and volume mappings.
"""
#self.command="exec >/dev/tty 2>/dev/tty </dev/tty && /usr/bin/screen -s /bin/bash"
self.c_tag = image_tag
self.container_id = ""
self.info_array = ["Hostname", "NetworkSettings"]
#todo: For now, dont enable dock_command .
#self.dock_command=''
self.brick_ext = 0
self.gflag=gl_flag
self.brick_set=[]
logger.info(" Create and start containers with image :%s ", self.c_tag)
if self.gflag:
bricks = gluster_dict['BRICKS']
self.brick_set = []
for b in bricks.split(','):
self.brick_set.append(b)
logger.info("Bricks will be using in order:%s", self.brick_set)
logging.info( "Enable Gluster Volume :%s" ,self.gflag)
try:
#docker run -i -t ubuntu /bin/bash
for num in range(0,self.dock_numc):
#todo: If we just want to enable auto dir creation inside same directory
# self_note : when tty=False, the containers were just exited
# as soon as it is created or executed the provided command
# when its True ,containers are up and running , u can attach.
# also stdin_open to True, for docker attach comand
# ctrl+P+Q can detach the container
# detach=False means it wont exit the shell ?
if self.gflag:
self.brick_mount=gluster_dict['SERVER_EXPORT_DIR']
if len(self.brick_set ) < self.dock_numc:
logger.critical("Number of bricks given to me is less than number of nodes, check configfile")
return False
else:
print "..."
self.dock_command =''
self.container_id = self.dc.create_container(
self.c_tag, command=self.dock_command, hostname=None, user=None,
detach=True, stdin_open=True, tty=True, mem_limit=0,
ports=[22, 80], environment=None, dns=None, volumes=[self.brick_mount],
volumes_from=None, network_disabled=False, name=None,
entrypoint=None, cpu_shares=None, working_dir=None)
else:
#self.dock_command ='/bin/bash'
self.container_id = self.dc.create_container(
self.c_tag, command=self.dock_command, hostname=None, user=None,
detach=True, stdin_open=True, tty=True, mem_limit=0,
ports=[22, 80], environment=None, dns=None, volumes=None,
volumes_from=None, network_disabled=False, name=None,
entrypoint=None, cpu_shares=None, working_dir=None)
self.cons_ids.append(self.container_id)
logger.debug("Container Ids : %s" ,self.cons_ids)
if not self.cons_ids:
logger.critical( "Failed when creating Containers")
return False
for ids in self.cons_ids:
try:
if self.gflag:
#For legacy reasons :), keeping below comments.
#self.brick_ext += 1
#self.brick_mount = '/rhs_bricks/brick'+str(self.brick_ext)
self.brick_source = self.brick_set[self.brick_ext]
self.brick_ext += 1
# TODO : look at other options
#mostly need to link these containers using link option
#http://blog.docker.io/2013/10/docker-0-6-5-links-container-naming-advanced-port-redirects-host-integration/
#regarding lxc_conf you can give me in dict formats
#also it helps when changing to static ips .etc
#-n flag looks similar:
#https://github.com/dotcloud/docker-py/issues/79
ret = self.dc.start(
ids, binds={self.brick_source:self.brick_mount}, port_bindings={22: None, 80: None},
lxc_conf=None,publish_all_ports=False, links=None, privileged=True)
else:
ret = self.dc.start(ids, binds=None, port_bindings={22: None, 80: None}, lxc_conf=None,
publish_all_ports=False, links=None, privileged=True)
logger.debug("Container with ID :%s is started", ids)
time.sleep(10)
# TODO: may be I need to commit these containers later with a different workflow.
except Exception as e:
logger.critical("Exception raised when starting Container with id:%s", ids)
logger.error(e)
return False
#TODO: This may not be the right place to put list containers
#and capturing the requested information
#logger.debug "Going to list the containers"
#cons = self.dc.containers(quiet=False, all=False, trunc=True, latest=False, since=None,
# before=None, limit=-1)
#for c in cons:
# self.c_id = dict(cons[0])['Id']
# self.cons_ids.append( self.c_id)
logger.info(" Information about running containers ")
for ids in self.cons_ids:
try:
insp_obj = self.dc.inspect_container(ids)
hostname =insp_obj['Config']['Hostname']
ipaddr = insp_obj['NetworkSettings']['IPAddress']
if not ipaddr :
logger.critical("Not able to get IP address of %s", hostname)
self.container_ips.append(insp_obj['NetworkSettings']['IPAddress'])
except Exception as e:
logger.critical('Exception raised when inspecting Containers')
logger.debug(e)
return False
except Exception as e:
logger.critical('Exception raised when creating/starting Containers')
logger.debug(e)
return False
return True
def main(dryr=0, dockit_log=dockit_log_file):
parser = OptionParser()
parser = add_options(parser)
options, arguments = parser.parse_args()
globalopts = dict(options.__dict__)
pull_option_args = ['image', 'dockerrepo']
build_option_args = ['dockerfile', 'imgtag']
start_option_args = ['image', 'imgtag', 'count']
# gluster_optins_args = ['gluvolume', 'gluinst']
anyopt = [options.pullimg, options.buildimg, options.startc,
options.dry]
anyopt_dict = {'pullimg': pull_option_args, 'buildimg':
build_option_args, 'startc': start_option_args}
check = [o for o in anyopt if o]
if not check:
logging.error("You missed one of the must required option.. "
"reread and execute.... exiting .")
print_menu()
sys.exit(1)
if options.gluinst or options.gluvolume:
if not options.glumode:
logger.error("You can not use gluster actions without -g option")
sys.exit(1)
if options.glumode and not options.gluvolume and not options.gluinst:
logger.warn("-g dont have any effect without --gv or --gi options")
final_true_list = [
[key, value] for key, value in globalopts.items()
if value]
logger.debug("Input \t :%s", final_true_list)
final_list = []
for it in final_true_list:
for k, v in anyopt_dict.items():
if k == it[0]:
final_list.append(v)
# print final_list
my_good = list(set([item for sublist in final_list for item in sublist]))
if options.startc and options.buildimg:
my_good.remove('image')
logger.debug("Required Parameters for your request:%s", my_good)
if options.pullimg and options.startc:
if options.imgtag is None:
options.imgtag = 'latest'
logger.debug("image tag : %s , docker repo:%s",
options.imgtag, options.dockerrepo)
if options.pullimg and options.buildimg:
logger.error("Only one at a time, pull or build")
sys.exit(1)
for good in my_good:
if not options.__dict__[good]:
logger.error("\n \t Unfortunately You Missed:%s", good)
parser.print_help()
sys.exit(1)
logger.info(
"Dockit starting.. Process logs are available at:%s", dockit_log_file)
if options.count:
options.count = int(options.count)
if options.startc:
options = process_startc_option(options)
if options.dry:
logger.info("Dry run : Dockit will not attempt to install any package")
dryr = 1
else:
logger.debug("Install packages if required, this is not a dry run...")
try:
sysobj = Packageinst(dryr)
if sysobj:
sysobj.getsysinfo()
ret = sysobj.checkprereq()
if ret:
logger.info("Success:Pre-requisites are installed")
else:
logger.debug("Either install it or let me install ")
sys.exit(1)
logger.debug("Going to check/start docker daemon")
procd = Procstart(process="docker")
checkret = procd.checkproc()
if not checkret:
ret = procd.execproc()
if ret:
logger.info("Successfully started docker deamon... ")
else:
logger.error('Exiting')
sys.exit(1)
procd.infoproc()
logger.debug("Connecting to the docker deamon")
talktoDocker(
options.pullimg, options.image, options.imgtag,
options.count, options.dockerfile, options.dockerrepo,
options.buildimg, options.startc, options.glumode,
options.gluinst, options.gluvolume)
except Exception as e:
logger.debug(e)
sys.exit(1)
def process_startc_option(options):
prefer = raw_input("Do you want to continue (y/n)")
if prefer != 'y':
logger.debug("Exiting ")
sys.exit(1)
logger.info("Proceeding ")
if options.glumode:
if options.gluinst:
logger.info("Need to install gluster inside containers")
gluster_config['GLUSTER_VERSION'] = options.gluinst
if options.gluvolume:
logger.info("\n Need to configure gluster volume..\n")
g_voltype = ''
if not options.configfile:
g_voltype = raw_input(
"Gluster Volume Type (ex: 2x2x1 where "
"(distribute,replica, stripe count in order)\t :")
g_volname = raw_input(
"Gluster Volume Name (ex: glustervol)\t :")
g_export = raw_input(
"Gluster Export Dir Name (ex: /rhs_bricks)\t :")
g_brick_file = raw_input(
"Gluster brick file (ex: /home/configfile)\t :")
else:
logger.info(
"Reading gluster configuration from config file")
print read_config_file(options.configfile)
try:
if g_voltype:
volumeconfig = re.search(
r'([0-9]+)x([0-9]+)x([0-9]+)', g_voltype)
else:
gluster_config['VOL_TYPE'] = gluster_config.get(
'VOL_TYPE', '1x2x1')
gluster_config['VOLNAME'] = gluster_config.get(
'VOLNAME', 'defaultVol')
gluster_config['SERVER_EXPORT_DIR'] = gluster_config.get(
'SERVER_EXPORT_DIR', '/defaultExport')
volumeconfig = re.search(
r'([0-9]+)x([0-9]+)x([0-9]+)',
gluster_config['VOL_TYPE'])
distributecount = volumeconfig.group(1)
replicacount = volumeconfig.group(2)
stripevcount = volumeconfig.group(3)
except Exception as e:
logger.debug(
"Error in parsing volume type string..exiting")
logger.debug(e)
sys.exit(1)
if distributecount == '0':
distributecount = 1
if replicacount == '0':
replicacount = 1
if stripevcount == '0':
stripevcount = 1
options.count = int(distributecount) * \
int(replicacount) * int(stripevcount)
logger.info("No of gluster containers to spawn:%s",
options.count)
prefer = raw_input("Do you want to continue (y/n):")
if prefer == 'y':
if not options.configfile:
gluster_config['VOLNAME'] = g_volname
gluster_config['VOL_TYPE'] = g_voltype
gluster_config['SERVER_EXPORT_DIR'] = g_export
gluster_config['BRICK_FILE'] = g_brick_file
# gluster_config['BRICKS'] =
# read_config_file_b(g_brick_file)
read_config_file_b(g_brick_file)
else:
logger.info(
"Configuration read from configuration file")
logger.info("%s", gluster_config)
else:
logger.error(
"Exiting.. Invoke dockit command with proper "
"option of gluster mode")
sys.exit(1)
else:
logger.info("Run containers natively, no mode configured")
prefer = ''
return options
def talktoDocker(
pulloption, baseimage, imagetag, numcontainers, dockerfile,
dockerrepo, buildoption, startoption, gluster_mode,
gluster_install, gluster_volume):
new_image_tag = ''
flag = flag1 = gluster_flag = 0
cons_ids = []
logger.debug(
"Docker image name :%s \t Image Tag:%s \t number of Containers:%s",
baseimage, imagetag, numcontainers)
try:
connret = dockit.DockerCli(
"connect", pulloption, baseimage, imagetag, numcontainers,
dockerfile, dockit_log_file, dockerrepo, buildoption)
if connret:
logger.info("Successfully connected to docker deamon: \n"
"\t \t \t pull/build/start containers accordingly.")
else:
logger.error("Connection return failed..exiting.")
sys.exit(1)
if pulloption:
logger.debug("Proceeding with actions on Image:%s", baseimage)
# if dockerrepo == None:
# logger.debug(
# "Base image pulling is not supported with "
# "this version of dockit \n"
# " please provide dockerrepo")
# sys.exit(1)
pullret = connret.pullC()
if pullret:
logger.info("Done with pulling.. continuing")
if dockerrepo and baseimage:
new_image_tag = dockerrepo+'/'+baseimage+':'+'latest'
flag1 = 1
logger.debug("new_image_tag:%s", new_image_tag)
else:
logger.error("Error when pulling ")
else:
logger.info("Not trying to pull image:%s.. continuing", baseimage)
if buildoption:
logger.debug("Continuing build process with %s", dockerfile)
built_image = connret.buildC()
if built_image:
logger.info(
" Image built from docker file :%s with id:%s and tag:%s",
built_image, built_image['Id'], built_image['RepoTags'])
if imagetag:
logger.debug("Image tag:%s", imagetag)
new_image_tag = imagetag+':latest'
flag = 1
logger.debug("new_image_tag:%s", new_image_tag)
else:
logger.error(
"Failed when building from docker file:\n"
"Check docker file path and options ")
else:
logger.debug("Not trying to build the image from docker file")
if startoption:
if flag or flag1:
logger.debug("Flag:%s \t Flag1:%s image tag:\t %s",
flag, flag1, new_image_tag)
else:
if baseimage and imagetag:
new_image_tag = baseimage+':'+imagetag
logger.debug("Using image tag :%s", new_image_tag)
ret_exist = connret.image_by_tag(new_image_tag)
if ret_exist:
logger.debug("Image exists :%s with ID:%s ",
ret_exist, ret_exist['Id'])
logger.info("Going to run the containers")
if gluster_mode:
if gluster_volume:
gluster_flag = 1
else:
gluster_flag = 0
runret = connret.runC(
ret_exist['RepoTags'][0], gluster_flag, gluster_config, )
if runret:
if not connret.container_ips:
logger.critical(
"Something went wrong when spawning "
"containers:exiting")
sys.exit(1)
logger.info(
"Containers are running successfully.."
"please login and work!!!!")
print (60 * '-')
logger.info("Details about running containers..\n")
logger.info(
"Container IPs \t : %s\n ", connret.container_ips)
for c in connret.cons_ids:
c_id = dict(connret.cons_ids[0])['Id']
cons_ids.append(c_id)
logger.info("Container Ids \t : %s \n ", cons_ids)
print (60 * '-')
# todo : Its possible to auto login to these containers
# via below , commenting it out for now
# loginC(connret.container_ips, connret.cons_ids)
if gluster_mode:
gluster_cli = create_vol.glusteractions()
if gluster_cli:
logger.debug("Successfully created gluster client")
run_helper.rh_config_dict[
'SERVER_IP_ADDRS'] = connret.container_ips
else:
logger.error("Failed to create gluster client")
run_helper.con_pass = getpass.getpass()
if gluster_install:
ginst = gluster_config.get(
'GLUSTER_VERSION', '3.5')
if ginst:
gluster_cli.gluster_install(ginst)
else:
logger.debug(
"Failed to get Gluster Version from dict.")
else:
logger.info("Gluster installation not required")
if gluster_volume:
run_helper.rh_config_dict[
'VOL_TYPE'] = gluster_config['VOL_TYPE']
run_helper.rh_config_dict['SERVER_EXPORT_DIR'] = \
gluster_config['SERVER_EXPORT_DIR']
run_helper.rh_config_dict['TRANS_TYPE'] = 'tcp'
run_helper.rh_config_dict[
'VOLNAME'] = gluster_config['VOLNAME']
logger.debug(
"Successfully filled configuration details:%s",
run_helper.rh_config_dict)
gluster_cli.create_gluster_volume(start=True)
logging.info(
'Gluster Volume operations done! '
'Please mount volume :%s in your client',
gluster_config['VOLNAME'])
else:
logger.debug(
"Gluster Volume creation not required")
else:
logger.info("Done!")
else:
logger.error("Failed when starting/inspecting containers")
else:
logger.error(
"Image + tag does not exist.. "
"I cant start container from this..exiting")
sys.exit(1)
else:
logger.debug("Not trying to start containers..")
logger.info("Dockit finished...")
return True
except Exception as e:
logger.critical("Failed on :%s", e)
sys.exit(1)
def checkprereq(self):
"""
This function will check for pre-req packages
which need to be installed and if its not available
it will be installed
"""
rhelflag = 0
if sysdict['dist'] == "fedora":
req_pcks = fedora_req_pcks
rhelflag = 1
elif sysdict['dist'] == "redhat":
if sysdict['ver'] < 7:
req_pcks = rhel_req_pcks
else:
req_pcks = rhel7_req_pcks
rhelflag = 1
elif sysdict['dist'] == "centos":
if sysdict['ver'] < 7:
req_pcks = centos_req_pcks
else:
req_pcks = centos7_req_pcks
rhelflag = 1
elif sysdict['dist'] == "Ubuntu":
req_pcks = ubuntu_req_pcks
else:
logger.error("Unknown Distribution.")
sys.exit(1)
logger.info(
"Distribution:%s Required %s packages \n\t \t \t "
"Making yum transactions", sysdict['dist'], req_pcks)
if rhelflag == 1:
try:
import yum
except Exception as e:
print "Error when importing yum module"
sys.exit(1)
yb = yum.YumBase()
yb.conf.cache = os.geteuid() != 1
for pck in req_pcks:
if yb.rpmdb.searchNevra(name=pck):
logger.info("%s -> Installed" % (pck))
avail_pcks.append(pck)
else:
logger.info("%s -> not installed" % (pck))
mis_pcks.append(pck)
if not self.skipflag:
try:
if pck == "python-docker-py":
logger.debug("Trying with pip")
cmd = "sudo pip install {0} -U "
cmd += ">/dev/null".format("docker-py")
os.system(cmd)
mis_pcks.remove(pck)
else:
logger.info(
"Unknown package for me to install "
"via pip.. Proceeding")
except Exception as e:
logger.error(e)
logger.error(
"Error occurred when trying to install %s "
"using pip -> Try to install "
"manually" % (pck))
sys.exit(1)
try:
yb.install(name=pck)
time.sleep(5)
except yum.Errors.InstallError, err:
logger.error(
"exiting : Error when installing "
"package %s", pck)
logger.error("%s", (str(err)))
sys.exit(1)
except Exception as e:
logger.critical(e)
logger.error(
"Error occurred when trying to install %s "
"-> Try to install manually" % (pck))
sys.exit(1)
def runC(self , image_tag, gl_flag, gluster_dict={}, ):
"""
Run the container
Creates a container that can then be `start`ed.
Parameters are similar to those for the `docker run` command
except it doesn't support the attach options (`-a`). See "Port bindings" and "Using volumes" for
more information on how to create port bindings and volume mappings.
"""
#self.command="exec >/dev/tty 2>/dev/tty </dev/tty && /usr/bin/screen -s /bin/bash"
self.c_tag = image_tag
self.container_id = ""
self.info_array = ["Hostname", "NetworkSettings"]
self.brick_ext = 0
self.gflag=gl_flag
self.brick_set=[]
logger.info(" Create and start containers with image :%s ", self.c_tag)
if self.gflag:
bricks = gluster_dict['BRICKS']
self.brick_set = []
for b in bricks.split(','):
self.brick_set.append(b)
logger.info("Bricks will be using in order:%s", self.brick_set)
logging.info( "Enable Gluster Volume :%s" ,self.gflag)
try:
for num in range(0,self.dock_numc):
if self.gflag:
self.brick_mount=gluster_dict['SERVER_EXPORT_DIR']
if len(self.brick_set ) < self.dock_numc:
logger.critical("Number of bricks given to me is less than number of nodes, check configfile")
return False
else:
print "..."
self.dock_command =''
self.container_id = self.dc.create_container(
self.c_tag, command=self.dock_command, hostname=None, user=None,
detach=True, stdin_open=True, tty=True, mem_limit=0,
ports=[22, 80], environment=None, dns=None, volumes=[self.brick_mount],
volumes_from=None, network_disabled=False, name=None,
entrypoint=None, cpu_shares=None, working_dir=None)
else:
self.dock_command ='/bin/bash'
self.container_id = self.dc.create_container(
self.c_tag, command=self.dock_command, hostname=None, user=None,
detach=True, stdin_open=True, tty=True, mem_limit=0,
ports=[22, 80], environment=None, dns=None, volumes=None,
volumes_from=None, network_disabled=False, name=None,
entrypoint=None, cpu_shares=None, working_dir=None)
self.cons_ids.append(self.container_id)
logger.debug("Container Ids : %s" ,self.cons_ids)
if not self.cons_ids:
logger.critical( "Failed when creating Containers")
return False
for ids in self.cons_ids:
try:
if self.gflag:
self.brick_source = self.brick_set[self.brick_ext]
self.brick_ext += 1
ret = self.dc.start(
ids, binds={self.brick_source:self.brick_mount}, port_bindings={22: None, 80: None},
lxc_conf=None,publish_all_ports=False, links=None, privileged=True)
else:
ret = self.dc.start(ids, binds=None, port_bindings={22: None, 80: None}, lxc_conf=None,
publish_all_ports=False, links=None, privileged=True)
logger.debug("Container with ID :%s is started", ids)
time.sleep(10)
except Exception as e:
logger.critical("Exception raised when starting Container with id:%s", ids)
logger.error(e)
return False
#cons = self.dc.containers(quiet=False, all=False, trunc=True, latest=False, since=None,
# before=None, limit=-1)
#for c in cons:
# self.c_id = dict(cons[0])['Id']
# self.cons_ids.append( self.c_id)
logger.info(" Information about running containers ")
for ids in self.cons_ids:
try:
insp_obj = self.dc.inspect_container(ids)
hostname =insp_obj['Config']['Hostname']
ipaddr = insp_obj['NetworkSettings']['IPAddress']
if not ipaddr :
logger.critical("Not able to get IP address of %s", hostname)
self.container_ips.append(insp_obj['NetworkSettings']['IPAddress'])
except Exception as e:
logger.critical('Exception raised when inspecting Containers')
logger.debug(e)
return False
except Exception as e:
logger.critical('Exception raised when creating/starting Containers')
logger.debug(e)
return False
return True
def runC(
self,
image_tag,
gl_flag,
gluster_dict={},
):
"""
Run the container
Creates a container that can then be `start`ed.
Parameters are similar to those for the `docker run` command
except it doesn't support the attach options (`-a`). See "Port bindings" and "Using volumes" for
more information on how to create port bindings and volume mappings.
"""
#self.command="exec >/dev/tty 2>/dev/tty </dev/tty && /usr/bin/screen -s /bin/bash"
self.c_tag = image_tag
self.container_id = ""
self.info_array = ["Hostname", "NetworkSettings"]
self.brick_ext = 0
self.gflag = gl_flag
self.brick_set = []
logger.info(" Create and start containers with image :%s ", self.c_tag)
if self.gflag:
bricks = gluster_dict['BRICKS']
self.brick_set = []
for b in bricks.split(','):
self.brick_set.append(b)
logger.info("Bricks will be using in order:%s", self.brick_set)
logging.info("Enable Gluster Volume :%s", self.gflag)
try:
for num in range(0, self.dock_numc):
if self.gflag:
self.brick_mount = gluster_dict['SERVER_EXPORT_DIR']
if len(self.brick_set) < self.dock_numc:
logger.critical(
"Number of bricks given to me is less than number of nodes, check configfile"
)
return False
else:
print "..."
self.dock_command = ''
self.container_id = self.dc.create_container(
self.c_tag,
command=self.dock_command,
hostname=None,
user=None,
detach=True,
stdin_open=True,
tty=True,
mem_limit=0,
ports=[22, 80],
environment=None,
dns=None,
volumes=[self.brick_mount],
volumes_from=None,
network_disabled=False,
name=None,
entrypoint=None,
cpu_shares=None,
working_dir=None)
else:
self.dock_command = '/bin/bash'
self.container_id = self.dc.create_container(
self.c_tag,
command=self.dock_command,
hostname=None,
user=None,
detach=True,
stdin_open=True,
tty=True,
mem_limit=0,
ports=[22, 80],
environment=None,
dns=None,
volumes=None,
volumes_from=None,
network_disabled=False,
name=None,
entrypoint=None,
cpu_shares=None,
working_dir=None)
self.cons_ids.append(self.container_id)
logger.debug("Container Ids : %s", self.cons_ids)
if not self.cons_ids:
logger.critical("Failed when creating Containers")
return False
for ids in self.cons_ids:
try:
if self.gflag:
self.brick_source = self.brick_set[self.brick_ext]
self.brick_ext += 1
ret = self.dc.start(
ids,
binds={self.brick_source: self.brick_mount},
port_bindings={
22: None,
80: None
},
lxc_conf=None,
publish_all_ports=False,
links=None,
privileged=True)
else:
ret = self.dc.start(ids,
binds=None,
port_bindings={
22: None,
80: None
},
lxc_conf=None,
publish_all_ports=False,
links=None,
privileged=True)
logger.debug("Container with ID :%s is started", ids)
time.sleep(10)
except Exception as e:
logger.critical(
"Exception raised when starting Container with id:%s",
ids)
logger.error(e)
return False
#cons = self.dc.containers(quiet=False, all=False, trunc=True, latest=False, since=None,
# before=None, limit=-1)
#for c in cons:
# self.c_id = dict(cons[0])['Id']
# self.cons_ids.append( self.c_id)
logger.info(" Information about running containers ")
for ids in self.cons_ids:
try:
insp_obj = self.dc.inspect_container(ids)
hostname = insp_obj['Config']['Hostname']
ipaddr = insp_obj['NetworkSettings']['IPAddress']
if not ipaddr:
logger.critical("Not able to get IP address of %s",
hostname)
self.container_ips.append(
insp_obj['NetworkSettings']['IPAddress'])
except Exception as e:
logger.critical(
'Exception raised when inspecting Containers')
logger.debug(e)
return False
except Exception as e:
logger.critical(
'Exception raised when creating/starting Containers')
logger.debug(e)
return False
return True
def main(dryr=0, dockit_log=dockit_log_file):
parser = OptionParser()
parser.add_option("-d", "--dry_run",
action="store_true", dest="dry", default=False,
help="Do dry run - dont try to install any packages")
parser.add_option("-p", "--pullimage",
action="store_true", dest="pullimg", default=False,
help="Whether to pull from the docker repo ? Need to specify dockerrepo and image name ")
parser.add_option("-s", "--startc",
action="store_true", dest="startc", default=False,
help="Whether to start from an image ? Need to specify image and tag ")
parser.add_option("-b", "--buildimage",
action="store_true", dest="buildimg", default=False,
help="Whether to build image from the dockerfile? Need to specify dockerfile path, and imagetag")
parser.add_option("-g", "--gluster_mode",
action="store_true", dest="glumode", default=False,
help="Configure gluster volume in containers")
parser.add_option("-i", "--image",
dest="image", help="Image name - Containers will be based on this image", metavar="IMAGE")
parser.add_option("-t", "--imgtag",
dest="imgtag", help="Image tag name - Containers will be assigned this tag", metavar="IMAGETAG")
parser.add_option("-n", "--count",
dest="count", help="Number of containers to start - ", metavar="COUNT")
parser.add_option("-c", "--configfile",
dest="configfile", help="COnfig file path to read gluster configuration - ", metavar="CONFIGFILE")
parser.add_option("-f", "--dockerfile",
dest="dockerfile", help="Docker file path to build the container - ", metavar="DOCKERFILE")
parser.add_option("-r", "--dockerrepo",
dest="dockerrepo", help="Docker repository name with a trailing blackslash - ", metavar="DOCKERREPO")
parser.add_option("--gv", "--glustervolume",
action="store_true", dest = "gluvolume", default=False,help="Gluster Volume Creation inside containers - Valid with -g option ")
# dest="gluvolume", help="Gluster Volume Creation inside containers - Valid with -g option ", metavar="GLUSTERVOLUME")
parser.add_option("--gi", "--glusterinstall",
dest="gluinst", help="Install gluster inside containers - Valid with -g option ", metavar="GLUSTERVERSION")
logger.info("Dockit starting.. Process logs are available at:%s", dockit_log_file)
options, arguments = parser.parse_args()
globalopts=dict(options.__dict__)
pull_option_args = ['image','dockerrepo']
#pull_option_args = ['image']
build_option_args = ['dockerfile','imgtag']
start_option_args = ['image', 'imgtag', 'count']
gluster_optins_args = ['gluvolume','gluinst']
anyopt = [ options.pullimg , options.buildimg , options.startc , options.dry]
anyopt_dict = { 'pullimg':pull_option_args , 'buildimg':build_option_args , 'startc':start_option_args }
check = [o for o in anyopt if o]
if not check:
logging.error( "You missed one of the must required option.. reread and execute.... exiting .")
print_menu()
sys.exit(1)
if options.gluinst or options.gluvolume:
if not options.glumode:
logger.error("You can not use gluster actions without -g option")
sys.exit(1)
if options.glumode and not options.gluvolume and not options.gluinst:
logger.warn("-g dont have any effect without --gv or --gi options")
final_true_list = [[key,value] for key,value in globalopts.items() if value != False if value != None]
logger.debug("Input \t :%s" ,final_true_list)
final_list=[]
for it in final_true_list:
for k,v in anyopt_dict.items():
if k == it[0]:
final_list.append(v)
#print final_list
my_good = list(set([item for sublist in final_list for item in sublist]))
if options.startc and options.buildimg:
my_good.remove('image')
logger.debug("Required Parameters for your request:%s", my_good)
if options.pullimg and options.startc:
if options.imgtag== None:
options.imgtag='latest'
logger.debug("image tag : %s , docker repo:%s", options.imgtag, options.dockerrepo)
if options.pullimg and options.buildimg:
logger.error( "Only one at a time, pull or build")
sys.exit(1)
for good in my_good:
if not options.__dict__[good]:
logger.error("\n \t Unfortunately You Missed:%s", good)
parser.print_help()
sys.exit(1)
if options.count:
options.count=int(options.count)
if options.startc:
prefer = raw_input ("Do you want to continue (y/n)")
if prefer=='y':
logger.info( "Proceeding ")
if options.glumode:
if options.gluinst:
logger.info( "Need to install gluster inside containers")
gluster_config['GLUSTER_VERSION'] = options.gluinst
if options.gluvolume:
logger.info( "\n Need to configure gluster volume..\n")
g_voltype=''
if not options.configfile:
g_voltype = raw_input("Gluster Volume Type (ex: 2x2x1 where (distribute,replica, stripe count in order)\t :")
g_volname = raw_input("Gluster Volume Name (ex: glustervol)\t :")
g_export = raw_input("Gluster Export Dir Name (ex: /rhs_bricks)\t :")
g_brick_file = raw_input("Gluster brick file (ex: /home/configfile)\t :")
else:
logger.info( "Reading gluster configuration from config file")
print read_config_file(options.configfile)
try:
if g_voltype:
volumeconfig = re.search(r'([0-9]+)x([0-9]+)x([0-9]+)', g_voltype)
else:
gluster_config['VOL_TYPE'] = gluster_config.get('VOL_TYPE', '1x2x1')
gluster_config['VOLNAME']=gluster_config.get('VOLNAME', 'defaultVol')
gluster_config['SERVER_EXPORT_DIR']=gluster_config.get('SERVER_EXPORT_DIR','/defaultExport')
volumeconfig = re.search(r'([0-9]+)x([0-9]+)x([0-9]+)',gluster_config['VOL_TYPE'])
distributecount = volumeconfig.group(1)
replicacount = volumeconfig.group(2)
stripevcount = volumeconfig.group(3)
except Exception as e:
logger.debug( "Error in parsing volume type string..exiting")
logger.debug(e)
sys.exit(1)
if distributecount == '0':
distributecount = 1
if replicacount == '0':
replicacount = 1
if stripevcount == '0':
stripevcount = 1
options.count = int(distributecount) * int(replicacount) * int(stripevcount)
logger.info( "No of gluster containers to spawn:%s" , options.count)
prefer = raw_input ("Do you want to continue (y/n):")
if prefer == 'y':
if not options.configfile:
gluster_config['VOLNAME']=g_volname
gluster_config['VOL_TYPE']=g_voltype
gluster_config['SERVER_EXPORT_DIR']=g_export
gluster_config['BRICK_FILE']=g_brick_file
#gluster_config['BRICKS'] = read_config_file_b(g_brick_file)
read_config_file_b(g_brick_file)
else:
logger.info( "Configuration read from configuration file")
logger.info("%s", gluster_config)
else:
logger.error( "Exiting.. Invoke dockit command with proper option of gluster mode")
sys.exit(1)
else:
logger.info( "Run containers natively, no mode configured")
prefer=''
else:
logger.debug( "Exiting ")
sys.exit(1)
if options.dry:
logger.info("Dry run : Dockit will not attempt to install any package")
dryr= 1
else:
logger.debug("Install packages if required, this is not a dry run...")
try:
sysobj = Packageinst(dryr)
if sysobj:
sysobj.getsysinfo()
ret = sysobj.checkprereq()
if ret:
logger.info("Success:Pre-requisites are installed")
else:
logger.debug("Either install it or let me install ")
sys.exit(1)
logger.debug("Going to check/start docker daemon")
procd = Procstart(process="docker")
checkret = procd.checkproc()
if not checkret:
ret = procd.execproc()
if ret:
logger.info("Successfully started docker deamon... ")
else:
logger.error('Exiting')
sys.exit(1)
procd.infoproc()
logger.debug("Connecting to the docker deamon")
talktoDocker(options.pullimg, options.image, options.imgtag, options.count, options.dockerfile,
options.dockerrepo , options.buildimg, options.startc, options.glumode, options.gluinst, options.gluvolume)
except Exception as e:
logger.debug(e)
sys.exit(1)
def gluster_install(self, version):
failed_package_nodes = []
failed_install_nodes = []
nodes = run_helper.get_nodes_ip()
logger.info("Trying to install gluster on %s nodes ", nodes)
gluster_package_command = (
'yum -y install python-devel python-setuptools deltarpm yum-utils '
'gcc git autoconf automake bison dos2unix flex glib2-devel '
'libaio-devel libattr-devel libibverbs-devel '
'librdmacm-devel libtool libxml2-devel make openssl-devel '
'pkgconfig python-devel python-eventlet python-netifaces '
'python-paste-deploy python-simplejson python-sphinx '
'python-webob pyxattr readline-devel rpm-build gdb dbench '
'net-tools systemtap-sdt-devel attr psmisc findutils which '
'xfsprogs yajl-devel lvm2-devel e2fsprogs mock nfs-utils '
'openssh-server supervisor openssl fuse-libs wget >/dev/null')
# gluster_package_command='ls'
# gluster_install_command = 'cd /root/glusterfs && make install'
gluster_install_command = (
"rm -rf /root/glusterfs && cd /root && git clone "
"git://review.gluster.org/glusterfs && cd glusterfs "
"&& git checkout -b {0} origin/release-{1} && "
"./autogen.sh >/dev/null && ./configure>/dev/null "
"&& make >/dev/null && make install> /dev/null ".format(
version, version))
for node in nodes:
status1 = status2 = 0
logger.info("Configuring/installing on node:%s", node)
status1 = run_helper.run_command(node, gluster_package_command,
True)
if status1:
logger.error(
'Required Gluster package installation '
'failed on node: %s', node)
failed_package_nodes.append(node)
else:
logger.info("Continuing ..")
status2 = run_helper.run_command(node, gluster_install_command,
True)
time.sleep(20)
if status2:
logger.error("Failed to configure GlusterFs from "
"source repository ")
failed_install_nodes.append(node)
else:
logger.info(
"Successfully configured GlusterFS "
"binary on node:%s", node)
if status1 or status2:
logger.critical(
"Failed to install gluster packages on:%s or GlusterFs "
"binary installation failed on :%s ", failed_package_nodes,
failed_install_nodes)
else:
logger.info(
"Successful Gluster Package Installation and GlusterFS "
"Binary installation on all the nodes!")
return
def create_gluster_volume(self, start=True):
nodes = run_helper.get_nodes_ip()
logger.info("nodes are %s", nodes)
masternode = nodes[0]
export_dir = run_helper.get_server_export_dir()
if export_dir is None:
export_dir = '/rhs_bricks'
vol_type = run_helper.get_volume_type()
if vol_type is not None:
volconfig = re.search(r'([0-9]+)x([0-9]+)x([0-9]+)', vol_type)
distcount = volconfig.group(1)
repcount = volconfig.group(2)
stripecount = volconfig.group(3)
else:
distcount = '2'
repcount = '2'
stripecount = '1'
trans_type = run_helper.get_trans_type()
if trans_type == '':
trans_type = 'tcp'
volname = run_helper.get_vol_name()
if volname == '':
volname = 'hosdu'
number_nodes = len(nodes)
logger.info("Number of nodes: %s", number_nodes)
if distcount == '0':
distcount = 1
if repcount == '0':
repcount = 1
if stripecount == '0':
stripecount = 1
number_bricks = int(distcount) * int(repcount) * int(stripecount)
logger.info("number of bricks:%s", number_bricks)
if number_bricks > number_nodes:
logger.critical(
"number of bricks and number of servers don't match.\n")
logger.critical("The support to have more than 1 brick per "
"container is not there yet \n")
return 1
if repcount == '1':
replica_count = ''
else:
replica_count = "replica %s" % repcount
if stripecount == '1':
stripe_count = ''
else:
stripe_count = "stripe %s" % stripecount
# pre_create_cleanup(nodes, export_dir)
brick_list = []
node_index = 0
for i in range(0, number_bricks):
brick = "%s:%s/%s_brick%d" % (nodes[node_index], export_dir,
volname, i)
brick_list.append(brick)
node_index = node_index + 1
if node_index > number_nodes:
node_index = 0
vol_create_cmd = ("gluster --mode=script volume create %s %s %s "
"transport %s %s force" %
(volname, replica_count, stripe_count, trans_type,
' '.join(brick_list)))
flag = 0
for node in nodes:
status = run_helper.run_command(node, 'pgrep glusterd || glusterd',
True)
if status:
logger.error('glusterd can not be started in node: %s', node)
flag = 1
if flag:
logger.info(
'glusterd can not be started successfully in all nodes. '
'Exiting...')
sys.exit(1)
flag = 0
for node in nodes:
if node != masternode:
status = run_helper.run_command(masternode,
'gluster peer probe ' + node,
False)
time.sleep(20)
if status:
logger.error('peer probe went wrong in %s', node)
flag = 1
if flag:
logger.critical(
'Peer probe went wrong in some machines. Exiting...')
sys.exit(1)
status = run_helper.run_command(masternode, vol_create_cmd, True)
if status:
logger.critical('volume creation failed.')
if status == 0 and start:
status = run_helper.run_command(
masternode, "gluster --mode=script volume start %s" % volname,
False)
return status
nodes.append(client_ip)
if remoterun == True:
for node in nodes:
run_command(node, cmd, True)
if threaded_run == True:
threads = []
for node in nodes:
t = threading.Thread(target=run_command, args=(node, cmd, True))
t.start()
threads.append(t)
if scpsend == True:
for node in nodes:
rcopy(node, sfile, destpath, True)
if not scpsend and not remoterun and not threaded_run:
logger.error ('Option unhandled. Please execute with proper option')
usage()
sys.exit(1)
return 0
#read_config_file()
if __name__ == '__main__':
main()
else:
logger.info("%s -> not installed" % (pck))
mis_pcks.append(pck)
if not self.skipflag:
try:
if pck == "python-docker-py":
logger.debug("Trying with pip")
cmd = ("sudo pip install {0} -U >"
"/dev/null".format("docker-py"))
os.system(cmd)
mis_pcks.remove(pck)
else:
logger.info("Unknown package to install "
"via pip.. Proceeding")
except Exception as e:
logger.error(e)
logger.error(
"Error occurred when trying to install %s "
"using pip -> Try to install manually", pck)
sys.exit(1)
if len(mis_pcks) > 0:
if self.skipflag:
logger.info("Please install the %s packages and "
"try again.", mis_pcks)
sys.exit(1)
else:
try:
for pkgs in mis_pcks:
os_cmd = ("sudo apt-get install -y %s && "
logger.critical(e)
logger.error("Error occurred when trying to install %s -> Try to install manually" % (pck))
sys.exit(1)
if len(mis_pcks) > 0:
if self.skipflag:
logger.info("Please install the %s packages and try again.", mis_pcks)
sys.exit(1)
else:
try:
yb.resolveDeps()
yb.buildTransaction()
yb.processTransaction()
return True
except Exception as e:
logger.error(
"Yum transaction failure:%s .. Giving one more try", e)
for pkgs in mis_pcks:
os_cmd = "yum install -y %s >/dev/null" %(pkgs)
if os.system(os_cmd):
print "Failed again to install %s package" % (pkgs)
sys.exit(1)
except Exception as e:
logger.critical("Exiting..%s", e)
sys.exit(1)
return True
class Procstart:
def create_gluster_volume(self,start=True):
nodes = run_helper.get_nodes_ip()
logger.info( "nodes are %s" , nodes)
masternode = nodes[0]
export_dir = run_helper.get_server_export_dir()
if export_dir == None:
export_dir = '/rhs_bricks'
vol_type = run_helper.get_volume_type()
if vol_type != None:
volconfig = re.search(r'([0-9]+)x([0-9]+)x([0-9]+)', vol_type)
distcount = volconfig.group(1)
repcount = volconfig.group(2)
stripecount = volconfig.group(3)
else:
distcount = '2'
repcount = '2'
stripecount = '1'
trans_type = run_helper.get_trans_type()
if trans_type == '':
trans_type = 'tcp'
volname = run_helper.get_vol_name()
if volname == '':
volname = 'hosdu'
number_nodes = len(nodes)
logger.info( "Number of nodes: %s" ,number_nodes)
if distcount == '0':
distcount = 1
if repcount == '0':
repcount = 1
if stripecount == '0':
stripecount = 1
number_bricks = int(distcount) * int(repcount) * int(stripecount)
logger.info( "number of bricks:%s" , number_bricks)
if number_bricks > number_nodes:
logger.critical("number of bricks and number of servers don't match.\n")
logger.critical("The support to have more than 1 brick per container is not there yet \n")
return 1
if repcount == '1':
replica_count = ''
else:
replica_count = "replica %s" % repcount
if stripecount == '1':
stripe_count = ''
else:
stripe_count = "stripe %s" % stripecount
#pre_create_cleanup(nodes, export_dir)
brick_list = []
node_index = 0
for i in range(0, number_bricks):
brick = "%s:%s/%s_brick%d" % (nodes[node_index], export_dir, volname, i)
brick_list.append(brick)
node_index = node_index + 1
if node_index > number_nodes:
node_index = 0
vol_create_cmd = "gluster --mode=script volume create %s %s %s transport %s %s force" % (volname, replica_count, stripe_count, trans_type, ' '.join(brick_list))
flag = 0
for node in nodes:
status = run_helper.run_command(node, 'pgrep glusterd || glusterd', True)
if status:
logger.error('glusterd can not be started in node: %s' , node)
flag = 1
if flag:
logger.info('glusterd can not be started successfully in all nodes. Exiting...')
sys.exit(1)
flag = 0
for node in nodes:
if node != masternode:
status = run_helper.run_command(masternode, 'gluster peer probe ' + node, False)
time.sleep(20)
if status:
logger.error('peer probe went wrong in %s' , node)
flag = 1
if flag:
logger.critical('Peer probe went wrong in some machines. Exiting...')
sys.exit(1)
status = run_helper.run_command(masternode, vol_create_cmd, True)
if status:
logger.critical('volume creation failed.')
if status == 0 and start == True:
status = run_helper.run_command(masternode, "gluster --mode=script volume start %s" % volname, False)
return status
