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Add ability to specify attribs from environment

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This is of particular use for passing passwords safely
into nodeattrib/nodegroupattrib.
This commit is contained in:
Jarrod Johnson 2018-02-22 09:55:46 -05:00
parent c5ce302717
commit d473d23725
4 changed files with 33 additions and 3 deletions
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6
confluent_client/bin/nodeattrib
View File

@ -37,10 +37,14 @@ import confluent.client as client
argparser = optparse.OptionParser(
usage='''\n %prog [-b] noderange [list of attributes] \
\n %prog -c noderange <list of attributes> \
\n %prog -e noderange <attribute names to set> \
\n %prog noderange attribute1=value1 attribute2=value,...
\n ''')
argparser.add_option('-b', '--blame', action='store_true',
help='Show information about how attributes inherited')
argparser.add_option('-e', '--environment', action='store_true',
help='Set attributes, but from environment variable of '
'same name')
argparser.add_option('-c', '--clear', action='store_true',
help='Clear attributes')
(options, args) = argparser.parse_args()
@ -63,7 +67,7 @@ exitcode = 0
nodetype="noderange"
if len(args) > 1:
if "=" in args[1] or options.clear:
if "=" in args[1] or options.clear or options.environment:
if "=" in args[1] and options.clear:
print("Can not clear and set at the same time!")
argparser.print_help()

8
confluent_client/bin/nodegroupattrib
View File

@ -36,11 +36,15 @@ import confluent.client as client
argparser = optparse.OptionParser(
usage='''\n %prog [options] \
\n %prog [options] nodegroup [list of attributes] \
\n %prog [options] nodegroup group=value1,value2 \
\n %prog [options] nodegroup group=value1,value2
\n %prog [options] nodegroup nodes=value1,value2 \
\n %prog -e nodegroup <attribute names to set> \
\n %prog [options] nodegroup nodes=value1,value2
\n ''')
argparser.add_option('-b', '--blame', action='store_true',
help='Show information about how attributes inherited')
argparser.add_option('-e', '--environment', action='store_true',
help='Set attributes, but from environment variable of '
'same name')
argparser.add_option('-c', '--clear', action='store_true',
help='Clear variables')
(options, args) = argparser.parse_args()

19
confluent_client/confluent/client.py
View File

@ -480,6 +480,25 @@ def updateattrib(session, updateargs, nodetype, noderange, options):
exitcode = res['errorcode']
sys.stderr.write('Error: ' + res['error'] + '\n')
sys.exit(exitcode)
elif hasattr(options, 'environment') and options.environment:
for key in updateargs[1:]:
key = key.replace('.', '_')
value = os.environ.get(
key, os.environ[key.upper()])
# Let's do one pass to make sure that there's not a usage problem
for key in updateargs[1:]:
key = key.replace('.', '_')
value = os.environ.get(
key, os.environ[key.upper()])
if (nodetype == "nodegroups"):
exitcode = session.simple_nodegroups_command(noderange,
'attributes/all',
value, key)
else:
exitcode = session.simple_noderange_command(noderange,
'attributes/all',
value, key)
sys.exit(exitcode)
else:
if "=" in updateargs[1]:
try:

3
confluent_client/doc/man/nodeattrib.ronn
View File

@ -6,6 +6,7 @@ nodeattrib(8) -- List or change confluent nodes attributes
`nodeattrib [-b] <noderange> [<nodeattribute>...]`
`nodeattrib <noderange> [<nodeattribute1=value1> <nodeattribute2=value2> ...]`
`nodeattrib -c <noderange> <nodeattribute1> <nodeattribute2> ...`
`nodeattrib -e <noderange> <nodeattribute1> <nodeattribute2> ...`
## DESCRIPTION
@ -33,6 +34,8 @@ See nodegroupattrib(8) command on how to manage attributes on a group level.
Annotate inherited and expression based attributes to show their base value.
* `-c`, `--clear`:
Clear specified nodeattributes
* `-e`, `--environment`:
Set specified attributes based on exported environment variable of matching name. Environment variable names may be lower case or all upper case. Replace . with _ as needed (e.g. info.note may be specified as either $info_note or $INFO_NOTE
## EXAMPLES
* Listing matching nodes of a simple noderange: