* allow mapping processes to multiple init-scripts

* reverse-ish the version logic

config.cfg

@@ -1,16 +1,16 @@
 # Default settings in the default section (obviously)
 [default]
-# version_diff represents (hopefully) the compatibility change for the package.
-# It works by starting with the number of dots in the version scheme + 1, and
-# then removes 1 for every field that is the same in the current and new
-# version. Some examples:
-# 1.0.0 -> 1.0.0 (level 0, a reinstall of the same version)
-# 1.0.0 -> 1.0.1 (level 1)
-# 1.0.0 -> 1.1.0 (level 2)
-# 1.0.0 -> 2.0.0 (level 3)
-# 1.0.0.0 -> 2.0.0.0 (level 4)
-# 1.0.1 -> 1.0.1.1 (level 2, because that's how it turned out...)
-min_version_diff=2
+# version_sensitivity represents how many point fields (counting from left) that must
+# match in the versioning scheme for automatic upgrades to be allowed. Typically
+# you want to set this to 1 to not auto-update major version that may brake things
+# Some examples:
+# 1.0.0 -> 1.0.0 (3)
+# 1.0.0 -> 1.0.1 (2)
+# 1.0.0 -> 1.1.0 (1)
+# 1.0.0 -> 2.0.0 (0)
+# 1.0.0.0 -> 2.0.0.0 (0)
+# 1.0.1 -> 1.0.1.1 (3)
+version_sensitivity=1
 
 # sau can reboot on system upgrades (FreeBSD) or if the service restarts does
 # not close all deleted files (any platform)
@@ -36,18 +36,20 @@ stderr_loglevel=debug
 syslog_loglevel=info
 
 
-# The packages section contains <package>=<version_diff> pairs to override the
-# default min_version_diff. Note that package naming may differ depending on
+# The packages section contains <package>=<version_sensitivity> pairs to override the
+# default version_sensitivity. Note that package naming may differ depending on
 # platform
 [packages]
-# Gentoo kernel stuff should be updated manually
-sys-kernel/gentoo-sources=0
-sys-kernel/spl=0
-sys-fs/zfs-kmod=0
-dev-db/postgresql=1
+# Gentoo uses the category/package naming scheme
+dev-db/postgresql=2
 
-# FreeBSD uses the short package name
-gitlab=1
+# Gentoo kernel stuff should be updated manually
+sys-kernel/gentoo-sources=-1
+sys-kernel/spl=-1
+sys-fs/zfs-kmod=-1
+
+# FreeBSD uses the short package name (without category)
+gitlab=2
 
 
 # The processes section contains <process-name>=<service-name>
@@ -58,6 +60,9 @@ gitlab=1
 gitlab-workhorse=gitlab
 qemu-system-x86_64=
 
+# sometimes multiple services will have to be restarted
+#ruby24=puppetserver puppetdb
+
 # The services section contains restart policy for specific services.
 # valid policies are 'ignore', 'warn', 'restart' and 'silent-restart'.
 # 'silent-restart' is like 'restart', but will not log a warning when

sau/freebsd.py

@@ -107,16 +107,16 @@ def pkg_upgrade():
             log.warning('stderr: {}'.format(line))
         return False
 
-    default_version_diff = conf.getint('default', 'min_version_diff', fallback=2)
+    default_version_sens = conf.getint('default', 'version_sensitivity', fallback=1)
     for pkg in upgrades:
         pkg['upgrade_level'] = sau.helpers.version_diff(pkg['version_new'], pkg['version_old'])
         log.info('pkg upgrade available {}'.format(pkg))
-        diff = conf.getint('packages', pkg['pkg'], fallback=default_version_diff)
-        if diff >= pkg['upgrade_level']:
-            log.debug('configured level {} >= pkg level {}'.format(diff, pkg['upgrade_level']))
+        sens = conf.getint('packages', pkg['pkg'], fallback=default_version_sens)
+        if sens <= pkg['upgrade_level']:
+            log.debug('configured level {} <= pkg level {}'.format(sens, pkg['upgrade_level']))
             pkg['upgrade'] = True
         else:
-            log.debug('configured level {} < pkg level {}'.format(diff, pkg['upgrade_level']))
+            log.debug('configured level {} > pkg level {}'.format(sens, pkg['upgrade_level']))
             pkg['upgrade'] = False
 
     for pkg in [x for x in upgrades if not x['upgrade']]:

sau/gentoo.py

@@ -113,7 +113,7 @@ def pkg_upgrade():
 
     ignore_re = re.compile(r'^(|.*caus.* rebuilds.*|.*scheduled for merge.*|.*waiting for lock on.*)$')
     
-    default_version_diff = conf.getint('default', 'min_version_diff', fallback=2)
+    default_version_sens = conf.getint('default', 'version_sensitivity', fallback=1)
 
     cmd = [ EMERGE_PATH, '--color', 'n', '-uDNpq', '@world' ]
     ret, out, err = sau.helpers.exec_cmd(cmd)
@@ -144,12 +144,12 @@ def pkg_upgrade():
         name = nmatch.group(1)
         version = nmatch.group(2)
 
-        min_diff = conf.getint('packages', name, fallback=default_version_diff)
-        diff = sau.helpers.version_diff(version, old)
-        if min_diff >= diff:
-            log.info('{}-{} -> {} configured level {} >= pkg level {}'.format(name, old, version, min_diff, diff))
+        sens = conf.getint('packages', name, fallback=default_version_sens)
+        common = sau.helpers.version_diff(version, old)
+        if sens <= common:
+            log.info('{}-{} -> {} configured level {} <= pkg level {}'.format(name, old, version, sens, common))
         else:
-            log.warning('{}-{} -> {} configured level {} < pkg level {}'.format(name, old, version, min_diff, diff))
+            log.warning('{}-{} -> {} configured level {} > pkg level {}'.format(name, old, version, sens, common))
             do_rebuild = False
 
     if not do_rebuild:

sau/helpers.py

@@ -27,18 +27,14 @@ def exec_cmd(cmd, timeout=600, env = None):
 
 
 def version_diff(new, old):
-    """ This will return 100 if the versions are not properly compareable,
-    otherwise it will return the number of points that differ. Typically 3 is a
-    major upgrade, 2 minor, 1 point release and patch-levels. It can also
-    return 0 if both versions are the same."""
-    new_list = list(new.rsplit('.'))
-    old_list = list(old.rsplit('.'))
+    """ This will return the number of common fields in the version scheme,
+    counted from the left. """
+    new_list = list(new.split('.'))
+    old_list = list(old.split('.'))
     common = min(len(new_list), len(old_list))
-    longest = max(len(new_list), len(old_list))
-    diff = longest-common
     for i in range(0, common):
         if new_list[i] == old_list[i]:
             continue
-        return len(new_list) - i + diff
-    return 0
+        return i
+    return common
 

sau/services.py

@@ -136,7 +136,8 @@ def restart_services():
         services[proc_name] = service_name
         processes[service_name] = [proc]
 
-    for service in [x for x in services.values() if x]:
+    for service_all in [x for x in services.values() if x]:
+        for service in service_all.split():
             policy = _get_service_restart_policy(service)
             if policy == 'ignore':
                 log.info('Service "{}" ignored by configuration'.format(service))