def parse_cs_str(self, src, tooling):
"""
Description:
Parse the provides parameters text message sent from the
Config Server.
Input:
The provides parameters string obtained from the Config Server.
The delimiters will be an | and an &
To ensure all the data was received the entire string will be
terminated with an "|".
This will be a continuous text string (no CR or New Line).
Format:
|name1&name2...&nameN|
e.g.:
|ipaddress&virtual|
Returns:
- Provides populated with param names
as the keys and None as the value
"""
CSClient.validate_message(src)
# split and prune the payload
src = src[1:-1].split("|")
if len(src) >= 1:
for provides in src[0].split("&"):
if provides:
self[provides] = None
return self
def parse_cs_str(self, src, tooling):
'''
Description:
Parse the provides parameters text message sent from the
Config Server.
Input:
The provides parameters string obtained from the Config Server.
The delimiters will be an | and an &
To ensure all the data was received the entire string will be
terminated with an "|".
This will be a continuous text string (no CR or New Line).
Format:
|name1&name2...&nameN|
e.g.:
|ipaddress&virtual|
Returns:
- Provides populated with param names
as the keys and None as the value
'''
CSClient.validate_message(src)
# split and prune the payload
src = src[1:-1].split('|')
if len(src) >= 1:
for provides in src[0].split('&'):
if provides:
self[provides] = None
return self
def parse_require_config(src, tooling):
'''
Description:
Parse the required config text message sent from the Config Server.
Input:
The required config string obtained from the Config Server,
delimited by an | and an &
Two tags will mark the sections of the data,
'|service|' and '|parameters|'
To ensure all the data was received the entire string will be
terminated with an "|".
The string "|service|" will precede a service names.
The string "|parameters|" will precede the parameters for
the preceeding service, in the form: names&<b64 encoded values>.
This will be a continuous text string (no CR or New Line).
Format (repeating for each service):
|service|<s1>|parameters|name1&<b64val>|name2&<b64val>|nameN&<b64v>|
e.g.:
|service|ssh::server|parameters|ssh_port&<b64('22')>
|service|apache2::common|apache_port&<b64('8081')>|
Returns:
- A list of ServiceParams objects.
'''
services = []
new = None
CSClient.validate_message(src)
# Message specific validation
if src == '||':
# special case indicating no required config needed.
return []
# split on pipe and chop of first and last, they will always be empty
src = src.split('|')[1:-1]
# get the indexes of the service identifiers
srvs = deque([i for i, x in enumerate(src) if x == 'service'])
srvs.append(len(src))
if srvs[0] != 0:
raise AAError(('|service| is not the first tag found. %s') % (src))
while len(srvs) > 1:
# rebuild a single service's cs string
svc_str = "|%s|" % "|".join(src[srvs[0]:srvs[1]])
name = src[srvs[0] + 1]
if name in ['service', 'parameters'] or '&' in name:
raise AAError('invalid service name: %s' % name)
# instanciate the service with it's name
svc = Service(name, tooling)
svc.parse_configs(svc_str)
services.append(svc)
srvs.popleft()
return services
def parse_require_config(src, tooling):
'''
Description:
Parse the required config text message sent from the Config Server.
Input:
The required config string obtained from the Config Server,
delimited by an | and an &
Two tags will mark the sections of the data,
'|service|' and '|parameters|'
To ensure all the data was received the entire string will be
terminated with an "|".
The string "|service|" will precede a service names.
The string "|parameters|" will precede the parameters for
the preceeding service, in the form: names&<b64 encoded values>.
This will be a continuous text string (no CR or New Line).
Format (repeating for each service):
|service|<s1>|parameters|name1&<b64val>|name2&<b64val>|nameN&<b64v>|
e.g.:
|service|ssh::server|parameters|ssh_port&<b64('22')>
|service|apache2::common|apache_port&<b64('8081')>|
Returns:
- A list of ServiceParams objects.
'''
services = []
new = None
CSClient.validate_message(src)
# Message specific validation
if src == '||':
# special case indicating no required config needed.
return []
# split on pipe and chop of first and last, they will always be empty
src = src.split('|')[1:-1]
# get the indexes of the service identifiers
srvs = deque([i for i,x in enumerate(src) if x == 'service'])
srvs.append(len(src))
if srvs[0] != 0:
raise AAError(('|service| is not the first tag found. %s') % (src))
while len(srvs) > 1:
# rebuild a single service's cs string
svc_str = "|%s|" % "|".join(src[srvs[0]:srvs[1]])
name = src[srvs[0]+1]
if name in ['service', 'parameters'] or '&' in name:
raise AAError('invalid service name: %s' % name)
# instanciate the service with it's name
svc = Service(name, tooling)
svc.parse_configs(svc_str)
services.append(svc)
srvs.popleft()
return services
