jthan is whining about adding him to acknowledgments
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brent s
parent
6519ce2f19
commit
837d7a4703
140
aif/config.py
140
aif/config.py
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import os
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import re
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##
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import requests
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from lxml import etree
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# https://stackoverflow.com/questions/30232031/how-can-i-strip-namespaces-out-of-an-lxml-tree/30233635#30233635 ?
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_patterns = {'raw': re.compile(r'^\s*(?P<xml><(\?xml|aif)\s+.*)\s*$', re.DOTALL|re.MULTILINE),
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'remote': re.compile(r'^(?P<uri>(?P<proto>(https?|ftps?)://)(?P<path>.*))\s*$'),
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'local': re.compile(r'^(file://)?(?P<path>(/?[^/]+)+/?)$')}
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class Config(object):
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def __init__(self):
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def __init__(self, *args, **kwargs):
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self.tree = None
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self.namespaced_tree = None
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self.xml = None
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self.namespaced_xml = None
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self.raw = None
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self.xsd = None
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def parseLocalFile(self, fpath):
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fpath = os.path.abspath(os.path.expanduser(fpath))
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pass
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def main(self, validate = True):
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self.fetch()
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self.parseRaw()
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if validate:
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self.validate()
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def parseRemoteFile(self, url):
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pass
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return()
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def parseRawContent(self, content):
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def fetch(self): # Just a fail-safe; this is overridden by specific subclasses.
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pass
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return()
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def getXSD(self, xsdpath = None):
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raw_xsd = None
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if xsdpath:
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xsdpath = os.path.abspath(os.path.expanduser(xsdpath))
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if not os.path.isfile(xsdpath):
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raise ValueError(('An explicit XSD path was specified but '
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'does not exist on the local filesystem'))
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with open(xsdpath, 'rb') as fh:
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raw_xsd = fh.read()
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else:
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xsi = self.xml.nsmap.get('xsi', 'http://www.w3.org/2001/XMLSchema-instance')
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schemaLocation = '{{{0}}}schemaLocation'.format(xsi)
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schemaURL = self.xml.attrib.get(schemaLocation,
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'https://aif-ng.io/aif.xsd?ref={0}'.format(self.xml.attrib['version']))
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req = requests.get(schemaURL)
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if not req.ok():
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raise RuntimeError('Could not download XSD')
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raw_xsd = req.content
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self.xsd = etree.XMLSchema(etree.XML(raw_xsd))
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return()
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def parseRaw(self):
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self.tree = etree.parse(self.raw)
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self.namespaced_tree = etree.parse(self.raw)
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self.xml = self.tree.getroot()
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self.namespaced_xml = self.namespaced_tree.getroot()
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self.tree.xinclude()
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self.namespaced_tree.xinclude()
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return()
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def stripNS(self):
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# https://stackoverflow.com/questions/30232031/how-can-i-strip-namespaces-out-of-an-lxml-tree/30233635#30233635
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for x in (self.tree, self.xml):
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for e in x.xpath("descendant-or-self::*[namespace-uri()!='']"):
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e.tag = etree.QName(e).localname
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return()
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def validate(self):
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if not self.xsd:
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self.getXSD()
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return()
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class LocalFile(Config):
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def __init__(self, path, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.source = ['local', _patterns['local'].search(path).group('path')]
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def fetch(self):
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self.source[1] = os.path.abspath(os.path.expanduser(self.source[1]))
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if not os.path.isfile(self.source[1]):
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raise ValueError('{0} does not exist'.format(self.source[1]))
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with open(self.source[1], 'rb') as fh:
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self.raw = fh.read()
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return()
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class RemoteFile(Config):
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def __init__(self, uri, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.source = ('remote', uri)
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def fetch(self):
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r = requests.get(self.source[1])
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if not r.ok():
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raise RuntimeError('Could not download XML')
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self.raw = r.content
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return()
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class ConfigStr(Config):
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def __init__(self, rawxml, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.source = ('raw', rawxml)
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def fetch(self):
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self.raw = self.source[1].encode('utf-8')
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return()
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class ConfigBin(Config):
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def __init__(self, rawbinaryxml, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.source = ('raw_binary', rawbinaryxml)
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def fetch(self):
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self.raw = self.source[1]
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return()
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def getConfig(cfg_ref, validate = True):
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cfgobj = None
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# This is kind of gross.
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for configtype, pattern in _patterns.items():
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try:
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if pattern.search(cfg_ref):
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if configtype == 'raw':
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cfgobj = ConfigStr(cfg_ref)
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elif configtype == 'remote':
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cfgobj = RemoteFile(cfg_ref)
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elif configtype == 'local':
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cfgobj = LocalFile(cfg_ref)
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if cfgobj:
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break
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except TypeError:
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ptrn = re.compile(_patterns['raw'].pattern.encode('utf-8'))
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if not ptrn.search(cfg_ref):
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raise ValueError('Received junk data for cfg_ref')
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else:
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cfgobj = ConfigBin(cfg_ref)
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break
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return(cfgobj)
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3
docs/THANKS
Normal file
3
docs/THANKS
Normal file
@ -0,0 +1,3 @@
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AIF-NG owes thanks to:
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* jthan for being a good rubber ducky
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@ -1,14 +1,14 @@
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<?xml version="1.0" encoding="UTF-8" ?>
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<aif xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns="http://aif-ng.io/"
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xsi:schemaLocation="AIF http://aif-ng.io/aif.xsd"
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version="0.2.0">
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xsi:schemaLocation="http://aif-ng.io/ http://aif-ng.io/aif.xsd"
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version="v2_rewrite"><!-- When we release, this should match the tagged release (e.g. 0.2.0) -->
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<storage>
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<blockDevices>
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<disk device="/dev/sda" diskFormat="gpt">
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<!-- Partitions are numbered *in the order they are specified*. -->
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<part id="boot" name="BOOT" label="/boot" start="0%" stop="10%"
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fsType="fat32"/><!-- e.g. this would be /dev/sda1 -->
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<!-- e.g. "boot" would be /dev/sda1, "secrets1" would be /dev/sda2, etc. -->
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<part id="boot" name="BOOT" label="/boot" start="0%" stop="10%" fsType="fat32"/>
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<part id="secrets1" name="crypted" label="shh" start="10%" stop="20%" fsType="ext4"/>
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<part id="lvm_member1" name="jbod" label="dynamic" start="20%" stop="30%" fsType="ext4"/>
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<part id="raid1_d1" start="30%" stop="55%" fsType="ext4"/>
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@ -46,8 +46,8 @@
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</lvmGroup>
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</lvm>
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<mdadm>
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<!-- level can be 0, 1, 4, 5, or 6. RAID 10 would be done by creating an array with members of a
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previously assembled array. -->
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<!-- level can be 0, 1, 4, 5, 6, or 10. RAID 1+0 (which is different from mdadm RAID10) would be done by
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creating an array with members of a previously assembled array. -->
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<array id="mdadm1" name="md0" meta="1.2" level="1">
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<member source="raid1_d1"/>
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<member source="raid1_d2"/>
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