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fix bailout if there is no TXT entry

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This commit is contained in:
holger krekel 2024-03-04 19:48:46 +01:00
parent 21778fa4f3
commit ccd6e3e99c
1 changed files with 3 additions and 4 deletions
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7
cmdeploy/src/cmdeploy/dns.py
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@ -36,12 +36,11 @@ class DNS:
cmd = "ip a | grep inet6 | grep 'scope global' | sed -e 's#/64 scope global##' | sed -e 's#inet6##'"
return self.shell(cmd).strip()
def get(self, typ: str, domain: str) -> Optional[str]:
"""Get a DNS entry"""
def get(self, typ: str, domain: str) -> str:
"""Get a DNS entry or empty string if there is none."""
dig_result = self.shell(f"dig -r -q {domain} -t {typ} +short")
line = dig_result.partition("\n")[0]
if line:
return line
return line
def check_ptr_record(self, ip: str, mail_domain) -> bool:
"""Check the PTR record for an IPv4 or IPv6 address."""