def get(self):
# should we put in an own class ?, maybe yes ...
fh = FileHandler()
# TODO - error if file does not exist
try:
fh.writeInstancesJsonFile()
result = json.loads(fh.getInstancesJSONFile())
except:
result = []
return result, 200
def deleteInstance(self, instance_name):
dh = DockerHandler()
fh = FileHandler()
instance_path = fh.INSTANCEPATH + instance_name
# activity service for db-stuff with activity entries
activity_service = ActivityService()
# create activity entry in db -> returns ID of created entry
activity_id = activity_service.create(f"Delete instance: {instance_name}",
"DELETE_INSTANCE")
# logger service for creating custom logger
logger_serv = DBLoggerService(activity_id, f"[DELETE] {instance_name}")
# get custom logger from logger service
logger = logger_serv.getLogger()
try:
fh.updateInstanceJsonState(instance_name, "DELETING")
except Exception as ex:
print(ex)
try:
try:
stopInstance(instance_name, called_from_deleteInstance=True)
except Exception as ex:
print("Stopping {} containers failed. Exception: {}".format(
instance_name, ex))
logger.error("Stopping {} containers failed. Exception: {}".format(
instance_name, ex))
raise
else:
print(
"Successfully stopped the {} containers".format(instance_name))
logger.info("Successfully stopped the {} containers.".format(
instance_name))
finally:
fh.updateInstanceJsonState(instance_name, "DELETING")
try:
dh.docker_deleteStoppedInstance(instance_name)
except Exception as ex:
print("Deletion of stopped {} containers failed. Exception: {}".
format(instance_name, ex))
logger.error(
"Deletion of stopped {} containers failed. Exception: {}".
format(instance_name, ex))
raise
else:
print(
"Successfully deleted the {} containers".format(instance_name))
logger.info(
"Successfully deleted the {} containers".format(instance_name))
try:
fh.removeProxyConfigFile(instance_name)
except Exception as ex:
print("Deletion of the proxy file of {} failed. Exception: {}".
format(instance_name, ex))
logger.error(
"Deletion of the proxy file of {} failed. Exception: {}".
format(instance_name, ex))
raise
else:
print("Successfully deleted the proxy file of {}.".format(
instance_name))
logger.info("Successfully deleted the proxy file of {}.".format(
instance_name))
try:
fh.removeAllFilesInDir(instance_path)
except Exception as ex:
print("Deletion of the directory {} failed. Exception: {}".format(
instance_name, ex))
logger.error(
"Deletion of the directory {} failed. Exception: {}".format(
instance_name, ex))
raise
else:
print(
"Successfully deleted the directory {}.".format(instance_name))
logger.info(
"Successfully deleted the directory {}.".format(instance_name))
# write the instances.json file
try:
fh.writeInstancesJsonFile()
except Exception as ex:
#print (" ERROR in the generation of the instances.json File")
logger.error(
"Updating the instances.json file failed. Exception: {}".
format(ex))
raise
else:
#print ("Successfully created the instances.json File")
logger.info("Successfully updated the instances.json file.")
except Exception as ex:
logger.error("Deleting instance {} failed: {}.".format(
instance_name, ex))
activity_service.update(activity_id, "ERROR", "FAILURE")
else:
logger.info("Successfully deleted instance {}.".format(instance_name))
activity_service.update(activity_id, "FINISHED", "SUCCESS")
emitInstanceDeleted(instance_name)
finally:
emitInstanceRefresh()
def installInstance(self, instanceDescr):
path_dir = INSTANCEPATH + instanceDescr['instancename']
# appinfo.json, fileinfo.json, docker-compose.yml.template,
file_handler = FileHandler()
# check if directory structure is valid, fixes structure if invalid
# needs to be called sooner, but where/when?
file_handler.checkDirectoryStructure()
# activity service for db-stuff with activity entries
activity_service = ActivityService()
# create activity entry in db -> returns ID of created entry
activity_id = activity_service.create(
f"Installing Instance: {instanceDescr['instancename']}",
"INSTALL_INSTANCE")
# logger service for creating custom logger
logger_serv = DBLoggerService(
activity_id, f"[INSTALL] {instanceDescr['instancename']}")
logger = logger_serv.getLogger()
# generate the instance directory
try:
try:
os.mkdir(path_dir)
path = INSTANCEPATH + instanceDescr[
'instancename'] + "/instance.json"
with open(path, 'w') as f:
instanceDescr['state'] = 'INSTALLING'
instanceDescrInTheFile = copy.deepcopy(instanceDescr)
del instanceDescrInTheFile['parameters']
simplejson.dump(instanceDescrInTheFile, f)
except OSError as ex:
#print ("Creation of the directory %s failed" % path)
logger.error(
"Creation of the directory {} failed. Exception: {}".format(
instanceDescr['instancename'] + "/instance.json", ex))
raise
else:
#print ("Successfully created the directory %s " % path)
logger.info("Successfully created the directory {}.".format(
instanceDescr['instancename'] + "/instance.json"))
emitInstanceRefresh()
try:
# copy all file from the APP repository to the instance Directory
logger.info("Trying to download github files...")
file_handler.downloadGithubZip(instanceDescr, logger)
except Exception as ex:
logger.error(
f"Copying files from github-repository to instance directory failed: {ex}"
)
raise
else:
logger.info(
"Successfully downloaded files from github-repository to instance directory."
)
try:
objects_to_set_permissions = file_handler.getPermissionsFromFileinfo(
instanceDescr['instancename'])
logger.info("Trying to set permissions now...")
for object, permission in objects_to_set_permissions.items():
current_path = os.path.join(file_handler.INSTANCEPATH,
instanceDescr['instancename'],
object)
if int(permission) not in range(0, 778):
logger.warning(
f'Numeric Permission Value not valid! Value: {permission}, valid range: 000-777. Skipping ...'
)
continue
if os.path.exists(current_path):
res_code = os.system(
f'chmod -R {permission} {current_path}')
logger.info(
f"Setting permissions for object {object} to {permission}. Result code: {res_code}"
)
else:
logger.warning(
f"Setting permissions for object {object} failed. Path {os.path.join(file_handler.INSTANCEPATH, object)} does not exist. Skipping..."
)
except Exception as ex:
logger.error(
"Setting permissions for {} failed. Exception: {}".format(
instanceDescr['instancename'], ex))
raise
else:
logger.info("Successfully set permissions")
instance = None
try:
# now we can generate an Instance object
instance = Instance(instanceDescr['instancename'])
except Exception as ex:
logger.error(f"Creating instance object failed: {ex}")
raise
# add the container names to the instance.json file
try:
template_str = instance.composeTemplate()
instance_handler = InstanceHandler(template_str, instanceDescr)
container_names = instance_handler.getContainerNames()
file_handler.updateInstanceJsonContainerNames(
instanceDescr['instancename'], container_names)
except Exception as ex:
logger.error(
"Updating {} instance.json file with container_names failed. Exception: {}"
.format(instanceDescr['instancename'], ex))
raise
else:
logger.info(
"Successfully updated the {} instance.json file with container_names."
.format(instanceDescr['instancename']))
emitInstanceRefresh()
compose_file_name = INSTANCEPATH + instanceDescr[
'instancename'] + "/docker-compose.yml"
proxy_file_name = PROXYPATH + '005-' + instanceDescr[
'instancename'] + ".conf"
# generate the docker-compose file
try:
template_str = instance.composeTemplate()
instance_handler = InstanceHandler(template_str, instanceDescr)
docker_compose = yaml.dump(instance_handler.getCompose(),
default_flow_style=False)
with open(compose_file_name, 'w') as f:
f.write(docker_compose)
except Exception as ex:
#print ("ERROR in the generation of the Docker Compose" )
logger.error(
"Creation of the {} docker-compose file failed. Exception: {}".
format(instanceDescr['instancename'] + "/docker-compose.yml",
ex))
raise
else:
#print ("Successfully created the docker-compose" )
logger.info(
"Successfully created the {} docker-compose file.".format(
instanceDescr['instancename'] + "/docker-compose.yml"))
# generate the docker-compose local file
try:
template_str = instance.composeTemplate()
instance_handler = InstanceHandler(template_str, instanceDescr)
docker_compose = yaml.dump(instance_handler.getComposeLocal(),
default_flow_style=False)
compose_file_name_local = compose_file_name + '.local'
with open(compose_file_name_local, 'w') as f:
f.write(docker_compose)
except Exception as ex:
#print ("ERROR in the generation of the Docker Compose" )
logger.error(
"Creation of the {} docker-compose-local file failed. Exception: {}"
.format(
instanceDescr['instancename'] +
"/docker-compose.yml.local", ex))
raise
else:
#print ("Successfully created the docker-compose" )
logger.info(
"Successfully created the {} docker-compose file.".format(
instanceDescr['instancename'] +
"/docker-compose.yml.local"))
# write the proxy file
try:
template_str = instance.composeTemplate()
instance_handler = InstanceHandler(template_str, instanceDescr)
instance_handler.generateProxyFile()
except Exception as ex:
#print ("ERROR in the generation of the Proxy File" )
logger.error(
"Creation of the {} proxy file failed. Exception: {}".format(
'005-' + instanceDescr['instancename'] + ".conf", ex))
raise
else:
#print ("Successfully created the proxy file" )
logger.info("Successfully created the {} proxy file.".format(
'005-' + instanceDescr['instancename'] + ".conf"))
emitInstanceRefresh()
# write the instances.json file
try:
file_handler.writeInstancesJsonFile()
except Exception as ex:
#print (" ERROR in the generation of the instances.json File")
logger.error(
"Creation of the instances.json file failed. Exception: {}".
format(ex))
raise
else:
#print ("Successfully created the instances.json File")
logger.info("Successfully created the instances.json file.")
# testing to update instance json
file_handler.updateInstanceJsonState(instanceDescr['instancename'],
"INSTALLING")
file_handler.updateInstanceJsonProxy(
instanceDescr['instancename'],
instance_handler.getProxyInformation())
emitInstanceRefresh()
# call docker-compose up
print(compose_file_name)
# process = subprocess.Popen(['ls', '-la', '/opt/bibbox/instances'], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, encoding="utf8")
logger.info("Running docker-compose up.")
process = subprocess.Popen(
['docker-compose', '-f', compose_file_name, 'up', '-d'],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
encoding="utf8")
# TOOO
# put this in a helper function for calling system commands
ansi_regex = r'\x1b+\[+\d+\d+;+\d+\d+[m]|' \
r'\x1b(' \
r'(\[\??\d+[hl])|' \
r'([=<>a-kzmNM78])|' \
r'([\(\)][a-b0-2])|' \
r'(\[\d{0,2}[ma-dgkjqi])|' \
r'(\[\d+;\d+[hfy]?)|' \
r'(\[;?[hf])|' \
r'(#[3-68])|' \
r'([01356]n)|' \
r'(O[mlnp-z]?)|' \
r'(/Z)|' \
r'(\d+)|' \
r'(\[\?\d;\d0c)|' \
r'(\d;\dR)|' \
r'(\[*\d*\d*;*\d*\d*[m]))'
ansi_escape = re.compile(ansi_regex, flags=re.IGNORECASE)
while True:
line = process.stdout.readline()
lineerror = process.stderr.readline()
if not line and not lineerror:
break
#the real code does filtering here
if line:
# look what we have to strip
# if there are some escape code, that the öine is overwritten, the last line in the log should be replaced
result = ansi_escape.sub('', line).rstrip()
print(line.rstrip())
print(result)
if lineerror:
# same stuff here, also write this in the log file
print(lineerror.rstrip())
#######
####### setting permissions again afterwards is not needed afaik, as the permission handling code was just not working correctly,
####### as the os.system chmod command wants the absolute path, not the relative path. Should be fixed now - Lukas
#######
# try:
# objects_to_set_permissions = file_handler.getPermissionsFromFileinfo(instanceDescr['instancename'])
# logger.info("Trying to set permissions now...")
# for folder, permission in objects_to_set_permissions.items():
# current_path = os.path.join(file_handler.INSTANCEPATH, instanceDescr['instancename'], folder)
# if int(permission) not in range(0, 778):
# logger.warning(f'Numeric Permission Value not valid! Value: {permission}, valid range: 000-777. Skipping ...')
# continue
# if os.path.exists(current_path):
# logger.info(f"Setting permissions for object {folder} to {permission}.")
# os.system(f'chmod -R {permission} {folder}')
# else:
# logger.warning(f"Setting permissions for object {folder} failed. Path {os.path.join(file_handler.INSTANCEPATH, folder)} does not exist.")
# except Exception as ex:
# logger.error("Setting permissions for {} failed. Exception: {}".format(instanceDescr['instancename'], ex))
# raise
# else:
# logger.info("Successfully set permissions")
# try:
# objects_to_set_permissions = file_handler.getPermissionsFromFileinfo(instanceDescr['instancename'])
# logger.info("Trying to set permissions now...")
# for folder, permission in objects_to_set_permissions.items():
# current_path = os.path.join(file_handler.INSTANCEPATH, instanceDescr['instancename'], folder)
# if int(permission) not in range(0, 778):
# logger.warning(f'Numeric Permission Value not valid! Value: {permission}, valid range: 000-777. Skipping ...')
# continue
# if os.path.exists(current_path):
# logger.info(f"Setting permissions for object {folder} to {permission}.")
# os.system(f'chmod -R {permission} {folder}')
# else:
# logger.warning(f"Setting permissions for object {folder} failed. Path {os.path.join(file_handler.INSTANCEPATH, folder)} does not exist.")
# except Exception as ex:
# logger.error("Setting permissions for {} failed. Exception: {}".format(instanceDescr['instancename'], ex))
# raise
# else:
# logger.info("Successfully set permissions")
logger.info("Graceful reloading bibbox-sys-commander-apacheproxy...")
process = subprocess.Popen([
'docker', 'exec', 'bibbox-sys-commander-apacheproxy', 'httpd',
'-k', 'graceful'
],
shell=False,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
encoding="utf8")
while True:
line = process.stdout.readline()
lineerror = process.stderr.readline()
if not line and not lineerror:
break
#the real code does filtering here
if line:
# look what we have to strip
# if there are some escape code, that the line is overwritten, the last line in the log should be replaced
result = ansi_escape.sub('', line).rstrip()
print(line.rstrip())
print(result)
if lineerror:
# same stuff here, also write this in the log file
print(lineerror.rstrip())
except Exception as ex:
print(ex)
logger.error("Installing instance {} failed: {}.".format(
instanceDescr['instancename'], ex))
file_handler.updateInstanceJsonState(instanceDescr['instancename'],
"ERROR")
activity_service.update(activity_id, "ERROR", "FAILURE")
else:
logger.info("Successfully installed instance {}.".format(
instanceDescr['instancename']))
file_handler.updateInstanceJsonState(instanceDescr['instancename'],
"RUNNING")
activity_service.update(activity_id, "FINISHED", "SUCCESS")
finally:
emitInstanceRefresh()