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22ae634a87
...
487386a7cc
153
src/pgmon.py
153
src/pgmon.py
@ -497,91 +497,13 @@ def get_cluster_version():
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return cluster_version
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return cluster_version
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def version_num_to_release(version_num):
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"""
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Extract the revease from a version_num.
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In other words, this converts things like:
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90603 => 9.6
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130010 => 13
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"""
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if version_num // 10000 < 10:
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return version_num // 10000 + (version_num % 10000 // 100 / 10)
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else:
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return version_num // 10000
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def parse_version_rss(raw_rss, release):
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"""
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Parse the raw RSS from the versions.rss feed to extract the latest version of
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PostgreSQL that's availabe for the cluster being monitored.
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This sets these global variables:
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latest_version
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latest_version_next_check
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release_supported
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It is expected that the caller already holds the latest_version_lock lock.
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params:
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raw_rss: The raw rss text from versions.rss
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release: The PostgreSQL release we care about (ex: 9.2, 14)
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"""
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global latest_version
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global latest_version_next_check
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global release_supported
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# Regular expressions for parsing the RSS document
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version_line = re.compile(
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r".*?([0-9][0-9.]+) is the latest release in the {} series.*".format(release)
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)
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unsupported_line = re.compile(r"^This version is unsupported")
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# Loop through the RSS until we find the current release
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release_found = False
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for line in raw_rss.splitlines():
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m = version_line.match(line)
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if m:
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# Note that we found the version we were looking for
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release_found = True
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# Convert the version to version_num format
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version = m.group(1)
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parts = list(map(int, version.split(".")))
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if parts[0] < 10:
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latest_version = int(
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"{}{:02}{:02}".format(parts[0], parts[1], parts[2])
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)
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else:
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latest_version = int("{}00{:02}".format(parts[0], parts[1]))
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elif release_found:
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# The next line after the version tells if the version is supported
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if unsupported_line.match(line):
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release_supported = False
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else:
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release_supported = True
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break
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# Make sure we actually found it
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if not release_found:
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raise LatestVersionCheckError("Current release ({}) not found".format(release))
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log.info(
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"Got latest PostgreSQL version: {} supported={}".format(
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latest_version, release_supported
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)
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)
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log.debug(
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"Next latest PostgreSQL version check will be after: {}".format(
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latest_version_next_check
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)
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)
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def get_latest_version():
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def get_latest_version():
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"""
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"""
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Get the latest supported version of the major PostgreSQL release running on the server being monitored.
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Get the latest supported version of the major PostgreSQL release running on the server being monitored.
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"""
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"""
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global latest_version
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global latest_version_next_check
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global release_supported
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# If we don't know the latest version or it's past the recheck time, get the
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# If we don't know the latest version or it's past the recheck time, get the
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# version from the PostgreSQL RSS feed. Only one thread needs to do this, so
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# version from the PostgreSQL RSS feed. Only one thread needs to do this, so
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@ -591,10 +513,6 @@ def get_latest_version():
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or latest_version_next_check is None
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or latest_version_next_check is None
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or latest_version_next_check < datetime.now()
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or latest_version_next_check < datetime.now()
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):
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):
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# Note: we get the cluster version here before grabbing the latest_version_lock
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# lock so it's not held while trying to talk with the DB.
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release = version_num_to_release(get_cluster_version())
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with latest_version_lock:
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with latest_version_lock:
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# Only check if nobody already got the version before us
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# Only check if nobody already got the version before us
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if (
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if (
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@ -603,17 +521,74 @@ def get_latest_version():
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or latest_version_next_check < datetime.now()
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or latest_version_next_check < datetime.now()
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):
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):
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log.info("Checking latest PostgreSQL version")
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log.info("Checking latest PostgreSQL version")
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cluster_version = get_cluster_version()
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latest_version_next_check = datetime.now() + timedelta(
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latest_version_next_check = datetime.now() + timedelta(
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seconds=int(config["latest_version_check_period"])
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seconds=int(config["latest_version_check_period"])
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)
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)
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# Extract the release
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# 90603 => 9.6
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# 130010 => 13
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if cluster_version // 10000 < 10:
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release = cluster_version // 10000 + (
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cluster_version % 10000 // 100 / 10
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)
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else:
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release = cluster_version // 10000
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# Grab the RSS feed
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# Grab the RSS feed
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raw_rss = requests.get("https://www.postgresql.org/versions.rss")
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raw_rss = requests.get("https://www.postgresql.org/versions.rss")
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if raw_rss.status_code != 200:
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if raw_rss.status != 200:
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raise LatestVersionCheckError("code={}".format(r.status_code))
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raise LatestVersionCheckError("code={}".format(r.status))
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# Parse the RSS body and set global variables
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# Regular expressions for parsing the RSS document
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parse_version_rss(raw_rss.text, release)
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version_line = re.compile(
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r"([0-9][0-9.]+) is the latest release in the ([0-9][0-9.]+) series"
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)
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unsupported_line = re.compile(r"^This version is unsupported")
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# Loop through the RSS until we find the current release
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release_found = False
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for line in raw_rss.text.lines():
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m = version_line.match(line)
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if m:
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if release == int(m.group(2)):
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release_found = True
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version = float(m.group(1))
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if version < 10:
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parts = list(map(int, version.split(".")))
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latest_version = int(
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"{}{:02}{:02}".format(parts[0], parts[1], parts[2])
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)
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else:
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parts = list(map(int, version.split(".")))
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latest_version = int(
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"{}00{:02}".format(parts[0], parts[1])
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)
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release_found = True
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elif release_found:
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if unsupported.match(line):
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release_supported = False
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else:
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release_supported = True
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break
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# Make sure we actually found it
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if not release_found:
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raise LatestVersionCheckError(
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"Current release ({}) not found".format(release)
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)
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log.info(
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"Got latest PostgreSQL version: {} supported={}".format(
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latest_version, release_supported
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)
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)
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log.debug(
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"Next latest PostgreSQL version check will be after: {}".format(
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latest_version_next_check
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)
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)
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return latest_version
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return latest_version
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@ -661,115 +661,3 @@ metrics:
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)
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)
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self.assertEqual(pgmon.config["dbuser"], "postgres")
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self.assertEqual(pgmon.config["dbuser"], "postgres")
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self.assertEqual(pgmon.config["metrics"]["test1"]["query"][0], "TEST1")
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self.assertEqual(pgmon.config["metrics"]["test1"]["query"][0], "TEST1")
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def test_version_num_to_release(self):
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self.assertEqual(pgmon.version_num_to_release(90602), 9.6)
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self.assertEqual(pgmon.version_num_to_release(130002), 13)
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def test_parse_version_rss(self):
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rss = """
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<?xml version="1.0" encoding="utf-8"?>
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<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>PostgreSQL latest versions</title><link>https://www.postgresql.org/</link><description>PostgreSQL latest versions</description><atom:link href="https://www.postgresql.org/versions.rss" rel="self"/><language>en-us</language><lastBuildDate>Thu, 08 May 2025 00:00:00 +0000</lastBuildDate><item><title>17.5
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</title><link>https://www.postgresql.org/docs/17/release-17-5.html</link><description>17.5 is the latest release in the 17 series.
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</description><pubDate>Thu, 08 May 2025 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/17/release-17-5.html</guid></item><item><title>16.9
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</title><link>https://www.postgresql.org/docs/16/release-16-9.html</link><description>16.9 is the latest release in the 16 series.
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</description><pubDate>Thu, 08 May 2025 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/16/release-16-9.html</guid></item><item><title>15.13
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</title><link>https://www.postgresql.org/docs/15/release-15-13.html</link><description>15.13 is the latest release in the 15 series.
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</description><pubDate>Thu, 08 May 2025 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/15/release-15-13.html</guid></item><item><title>14.18
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</title><link>https://www.postgresql.org/docs/14/release-14-18.html</link><description>14.18 is the latest release in the 14 series.
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</description><pubDate>Thu, 08 May 2025 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/14/release-14-18.html</guid></item><item><title>13.21
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</title><link>https://www.postgresql.org/docs/13/release-13-21.html</link><description>13.21 is the latest release in the 13 series.
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</description><pubDate>Thu, 08 May 2025 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/13/release-13-21.html</guid></item><item><title>12.22
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</title><link>https://www.postgresql.org/docs/12/release-12-22.html</link><description>12.22 is the latest release in the 12 series.
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This version is unsupported!
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</description><pubDate>Thu, 21 Nov 2024 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/12/release-12-22.html</guid></item><item><title>11.22
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</title><link>https://www.postgresql.org/docs/11/release-11-22.html</link><description>11.22 is the latest release in the 11 series.
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This version is unsupported!
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</description><pubDate>Thu, 09 Nov 2023 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/11/release-11-22.html</guid></item><item><title>10.23
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</title><link>https://www.postgresql.org/docs/10/release-10-23.html</link><description>10.23 is the latest release in the 10 series.
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This version is unsupported!
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</description><pubDate>Thu, 10 Nov 2022 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/10/release-10-23.html</guid></item><item><title>9.6.24
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</title><link>https://www.postgresql.org/docs/9.6/release-9-6-24.html</link><description>9.6.24 is the latest release in the 9.6 series.
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This version is unsupported!
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</description><pubDate>Thu, 11 Nov 2021 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/9.6/release-9-6-24.html</guid></item><item><title>9.5.25
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</title><link>https://www.postgresql.org/docs/9.5/release-9-5-25.html</link><description>9.5.25 is the latest release in the 9.5 series.
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This version is unsupported!
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</description><pubDate>Thu, 11 Feb 2021 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/9.5/release-9-5-25.html</guid></item><item><title>9.4.26
|
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</title><link>https://www.postgresql.org/docs/9.4/release-9-4-26.html</link><description>9.4.26 is the latest release in the 9.4 series.
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This version is unsupported!
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</description><pubDate>Thu, 13 Feb 2020 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/9.4/release-9-4-26.html</guid></item><item><title>9.3.25
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</title><link>https://www.postgresql.org/docs/9.3/release-9-3-25.html</link><description>9.3.25 is the latest release in the 9.3 series.
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This version is unsupported!
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</description><pubDate>Thu, 08 Nov 2018 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/9.3/release-9-3-25.html</guid></item><item><title>9.2.24
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</title><link>https://www.postgresql.org/docs/9.2/release-9-2-24.html</link><description>9.2.24 is the latest release in the 9.2 series.
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This version is unsupported!
|
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</description><pubDate>Thu, 09 Nov 2017 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/9.2/release-9-2-24.html</guid></item><item><title>9.1.24
|
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</title><link>https://www.postgresql.org/docs/9.1/release-9-1-24.html</link><description>9.1.24 is the latest release in the 9.1 series.
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This version is unsupported!
|
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</description><pubDate>Thu, 27 Oct 2016 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/9.1/release-9-1-24.html</guid></item><item><title>9.0.23
|
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</title><link>https://www.postgresql.org/docs/9.0/release-9-0-23.html</link><description>9.0.23 is the latest release in the 9.0 series.
|
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This version is unsupported!
|
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</description><pubDate>Thu, 08 Oct 2015 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/9.0/release-9-0-23.html</guid></item><item><title>8.4.22
|
|
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</title><link>https://www.postgresql.org/docs/8.4/release-8-4-22.html</link><description>8.4.22 is the latest release in the 8.4 series.
|
|
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This version is unsupported!
|
|
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</description><pubDate>Thu, 24 Jul 2014 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/8.4/release-8-4-22.html</guid></item><item><title>8.3.23
|
|
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</title><link>https://www.postgresql.org/docs/8.3/release-8-3-23.html</link><description>8.3.23 is the latest release in the 8.3 series.
|
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This version is unsupported!
|
|
||||||
</description><pubDate>Thu, 07 Feb 2013 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/8.3/release-8-3-23.html</guid></item><item><title>8.2.23
|
|
||||||
</title><link>https://www.postgresql.org/docs/8.2/release-8-2-23.html</link><description>8.2.23 is the latest release in the 8.2 series.
|
|
||||||
This version is unsupported!
|
|
||||||
</description><pubDate>Mon, 05 Dec 2011 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/8.2/release-8-2-23.html</guid></item><item><title>8.1.23
|
|
||||||
</title><link>https://www.postgresql.org/docs/8.1/release.html</link><description>8.1.23 is the latest release in the 8.1 series.
|
|
||||||
This version is unsupported!
|
|
||||||
</description><pubDate>Thu, 16 Dec 2010 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/8.1/release.html</guid></item><item><title>8.0.26
|
|
||||||
</title><link>https://www.postgresql.org/docs/8.0/release.html</link><description>8.0.26 is the latest release in the 8.0 series.
|
|
||||||
This version is unsupported!
|
|
||||||
</description><pubDate>Mon, 04 Oct 2010 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/8.0/release.html</guid></item><item><title>7.4.30
|
|
||||||
</title><link>https://www.postgresql.org/docs/7.4/release.html</link><description>7.4.30 is the latest release in the 7.4 series.
|
|
||||||
This version is unsupported!
|
|
||||||
</description><pubDate>Mon, 04 Oct 2010 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/7.4/release.html</guid></item><item><title>7.3.21
|
|
||||||
</title><link>https://www.postgresql.org/docs/7.3/release.html</link><description>7.3.21 is the latest release in the 7.3 series.
|
|
||||||
This version is unsupported!
|
|
||||||
</description><pubDate>Mon, 07 Jan 2008 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/7.3/release.html</guid></item><item><title>7.2.8
|
|
||||||
</title><link>https://www.postgresql.org/docs/7.2/release.html</link><description>7.2.8 is the latest release in the 7.2 series.
|
|
||||||
This version is unsupported!
|
|
||||||
</description><pubDate>Mon, 09 May 2005 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/7.2/release.html</guid></item><item><title>7.1.3
|
|
||||||
</title><link>https://www.postgresql.org/docs/7.1/release.html</link><description>7.1.3 is the latest release in the 7.1 series.
|
|
||||||
This version is unsupported!
|
|
||||||
</description><pubDate>Fri, 17 Aug 2001 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/7.1/release.html</guid></item><item><title>7.0.3
|
|
||||||
</title><link>https://www.postgresql.org/docs/7.0/release.htm</link><description>7.0.3 is the latest release in the 7.0 series.
|
|
||||||
This version is unsupported!
|
|
||||||
</description><pubDate>Sun, 12 Nov 2000 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/7.0/release.htm</guid></item><item><title>6.5.3
|
|
||||||
</title><link>https://www.postgresql.org/docs/6.5/release.htm</link><description>6.5.3 is the latest release in the 6.5 series.
|
|
||||||
This version is unsupported!
|
|
||||||
</description><pubDate>Thu, 04 Nov 1999 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/6.5/release.htm</guid></item><item><title>6.4.2
|
|
||||||
</title><link>https://www.postgresql.org/docs/6.4/release.htm</link><description>6.4.2 is the latest release in the 6.4 series.
|
|
||||||
This version is unsupported!
|
|
||||||
</description><pubDate>Sun, 03 Jan 1999 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/6.4/release.htm</guid></item><item><title>6.3.2
|
|
||||||
</title><link>https://www.postgresql.org/docs/6.3/c2701.htm</link><description>6.3.2 is the latest release in the 6.3 series.
|
|
||||||
This version is unsupported!
|
|
||||||
</description><pubDate>Mon, 23 Feb 1998 00:00:00 +0000</pubDate><guid>https://www.postgresql.org/docs/6.3/c2701.htm</guid></item></channel></rss>
|
|
||||||
"""
|
|
||||||
pgmon.parse_version_rss(rss, 13)
|
|
||||||
self.assertEqual(pgmon.latest_version, 130021)
|
|
||||||
self.assertTrue(pgmon.release_supported)
|
|
||||||
|
|
||||||
pgmon.parse_version_rss(rss, 9.6)
|
|
||||||
self.assertEqual(pgmon.latest_version, 90624)
|
|
||||||
self.assertFalse(pgmon.release_supported)
|
|
||||||
|
|
||||||
def test_get_latest_version(self):
|
|
||||||
# Define a cluster version here so the test doesn't need a database
|
|
||||||
pgmon.cluster_version_next_check = datetime.now() + timedelta(hours=1)
|
|
||||||
pgmon.cluster_version = 90623
|
|
||||||
|
|
||||||
# Set up a default config
|
|
||||||
pgmon.update_deep(pgmon.config, pgmon.default_config)
|
|
||||||
|
|
||||||
# Make sure we can pull the RSS file (we assume the 9.6 series won't be getting any more updates)
|
|
||||||
self.assertEqual(pgmon.get_latest_version(), 90624)
|
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user