[syslog] - T1597: 'del system system' stops now rsyslog

1 files changed, 221 insertions, 197 deletions

diff --git a/src/conf_mode/syslog.py b/src/conf_mode/syslog.py
index 7b79c701b..c4f3d2c9c 100755
--- a/src/conf_mode/syslog.py
+++ b/src/conf_mode/syslog.py
@@ -24,16 +24,16 @@ import jinja2
 from vyos.config import Config
 from vyos import ConfigError
 
-########### config templates
+# config templates
 
-#### /etc/rsyslog.d/vyos-rsyslog.conf ###
+# /etc/rsyslog.d/vyos-rsyslog.conf ###
 configs = '''
 ## generated by syslog.py ##
 ## file based logging
 {% if files['global']['marker'] -%}
 $ModLoad immark
 {% if files['global']['marker-interval'] %}
-$MarkMessagePeriod  {{files['global']['marker-interval']}} 
+$MarkMessagePeriod  {{files['global']['marker-interval']}}
 {% endif %}
 {% endif -%}
 {% if files['global']['preserver_fqdn'] -%}
@@ -80,217 +80,241 @@ logrotate_configs = '''
 }
 {% endfor %}
 '''
-############# config templates end
+# config templates end
+
 
 def get_config():
-  c = Config()
-  if not c.exists('system syslog'):
-    return None
-  c.set_level('system syslog')  
-
-  config_data = {
-    'files'   : {},
-    'console' : {},
-    'hosts'   : {},
-    'user'    : {}
-  }
-
-  #####
-  # /etc/rsyslog.d/vyos-rsyslog.conf
-  # 'set system syslog global'
-  #####
-  config_data['files'].update(
-    {
-      'global'  : {
-        'log-file'            : '/var/log/messages',
-        'max-size'            : 262144,
-        'action-on-max-size'  : '/usr/sbin/logrotate /etc/logrotate.d/vyos-rsyslog',
-        'selectors'           : '*.notice;local7.debug',
-        'max-files'           : '5',
-        'preserver_fqdn'      : False
-      }
-    }
-  )
-
-  if c.exists('global marker'):
-    config_data['files']['global']['marker'] = True
-    if c.exists('global marker interval'):
-      config_data['files']['global']['marker-interval'] = c.return_value('global marker interval') 
-  if c.exists('global facility'):
-    config_data['files']['global']['selectors'] = generate_selectors(c, 'global facility')
-  if c.exists('global archive size'):
-    config_data['files']['global']['max-size'] = int(c.return_value('global archive size'))* 1024
-  if c.exists('global archive file'):
-    config_data['files']['global']['max-files'] = c.return_value('global archive file')
-  if c.exists('global preserve-fqdn'):
-    config_data['files']['global']['preserver_fqdn'] = True
-
-  ###
-  # set system syslog file
-  ###
-
-  if c.exists('file'):
-    filenames = c.list_nodes('file')
-    for filename in filenames:
-      config_data['files'].update(
-        {
-          filename  : { 
-            'log-file' : '/var/log/user/' + filename,
-            'max-files' : '5',
-            'action-on-max-size'  : '/usr/sbin/logrotate /etc/logrotate.d/' + filename,
-            'selectors'  : '*.err',
-            'max-size'  : 262144     
-          }
-        }
-      )
-
-      if c.exists('file ' + filename + ' facility'):
-        config_data['files'][filename]['selectors']  = generate_selectors(c, 'file ' + filename + ' facility')
-      if c.exists('file ' + filename + ' archive size'):
-       config_data['files'][filename]['max-size']  = int(c.return_value('file ' + filename + ' archive size'))* 1024
-      if c.exists('file ' + filename + ' archive files'):
-        config_data['files'][filename]['max-files'] = c.return_value('file ' + filename + ' archive files')
-
-  ## set system syslog console
-  if c.exists('console'):
-    config_data['console']  = {
-      '/dev/console' : {
-        'selectors' : '*.err'
-      }
+    c = Config()
+    if not c.exists('system syslog'):
+        return None
+    c.set_level('system syslog')
+
+    config_data = {
+        'files': {},
+      'console': {},
+      'hosts': {},
+      'user': {}
     }
-    
-  for f in c.list_nodes('console facility'):
-    if c.exists('console facility ' + f + ' level'):
-      config_data['console'] = {
-        '/dev/console' : {
-          'selectors' : generate_selectors(c, 'console facility')
-        }
-      }
-    
-  ## set system syslog host
-  if c.exists('host'):
-    proto = 'udp'
-    rhosts = c.list_nodes('host')
-    for rhost in rhosts:
-      for fac in c.list_nodes('host ' + rhost + ' facility'):
-        if c.exists('host ' + rhost + ' facility ' + fac + ' protocol'):
-          proto = c.return_value('host ' + rhost + ' facility ' + fac + ' protocol')
-
-      config_data['hosts'].update(
+
+    #
+    # /etc/rsyslog.d/vyos-rsyslog.conf
+    # 'set system syslog global'
+    #
+    config_data['files'].update(
         {
-          rhost : {
-           'selectors' : generate_selectors(c, 'host ' + rhost + ' facility'), 
-            'proto' : proto
-          } 
+            'global': {
+                'log-file': '/var/log/messages',
+                'max-size': 262144,
+                'action-on-max-size': '/usr/sbin/logrotate /etc/logrotate.d/vyos-rsyslog',
+                'selectors': '*.notice;local7.debug',
+                'max-files': '5',
+                'preserver_fqdn': False
+            }
         }
-      )
+    )
 
-  ## set system syslog user
-  if c.exists('user'):
-    usrs = c.list_nodes('user')
-    for usr in usrs:
-      config_data['user'].update(
-        {
-          usr : {
-            'selectors' : generate_selectors(c, 'user ' + usr + ' facility')
-          }
+    if c.exists('global marker'):
+        config_data['files']['global']['marker'] = True
+        if c.exists('global marker interval'):
+            config_data['files']['global'][
+                'marker-interval'] = c.return_value('global marker interval')
+    if c.exists('global facility'):
+        config_data['files']['global'][
+            'selectors'] = generate_selectors(c, 'global facility')
+    if c.exists('global archive size'):
+        config_data['files']['global']['max-size'] = int(
+            c.return_value('global archive size')) * 1024
+    if c.exists('global archive file'):
+        config_data['files']['global'][
+            'max-files'] = c.return_value('global archive file')
+    if c.exists('global preserve-fqdn'):
+        config_data['files']['global']['preserver_fqdn'] = True
+
+    #
+    # set system syslog file
+    #
+
+    if c.exists('file'):
+        filenames = c.list_nodes('file')
+        for filename in filenames:
+            config_data['files'].update(
+                {
+                    filename: {
+                        'log-file': '/var/log/user/' + filename,
+                        'max-files': '5',
+                        'action-on-max-size': '/usr/sbin/logrotate /etc/logrotate.d/' + filename,
+                        'selectors': '*.err',
+                        'max-size': 262144
+                    }
+                }
+            )
+
+            if c.exists('file ' + filename + ' facility'):
+                config_data['files'][filename]['selectors'] = generate_selectors(
+                    c, 'file ' + filename + ' facility')
+            if c.exists('file ' + filename + ' archive size'):
+                config_data['files'][filename]['max-size'] = int(
+                    c.return_value('file ' + filename + ' archive size')) * 1024
+            if c.exists('file ' + filename + ' archive files'):
+                config_data['files'][filename]['max-files'] = c.return_value(
+                    'file ' + filename + ' archive files')
+
+    # set system syslog console
+    if c.exists('console'):
+        config_data['console'] = {
+            '/dev/console': {
+                'selectors': '*.err'
+            }
         }
-      )
-  
-  return config_data
+
+    for f in c.list_nodes('console facility'):
+        if c.exists('console facility ' + f + ' level'):
+            config_data['console'] = {
+                '/dev/console': {
+                    'selectors': generate_selectors(c, 'console facility')
+                }
+            }
+
+    # set system syslog host
+    if c.exists('host'):
+        proto = 'udp'
+        rhosts = c.list_nodes('host')
+        for rhost in rhosts:
+            for fac in c.list_nodes('host ' + rhost + ' facility'):
+                if c.exists('host ' + rhost + ' facility ' + fac + ' protocol'):
+                    proto = c.return_value(
+                        'host ' + rhost + ' facility ' + fac + ' protocol')
+
+            config_data['hosts'].update(
+                {
+                    rhost: {
+                        'selectors': generate_selectors(c, 'host ' + rhost + ' facility'),
+                        'proto': proto
+                    }
+                }
+            )
+
+    # set system syslog user
+    if c.exists('user'):
+        usrs = c.list_nodes('user')
+        for usr in usrs:
+            config_data['user'].update(
+                {
+                    usr: {
+                        'selectors': generate_selectors(c, 'user ' + usr + ' facility')
+                    }
+                }
+            )
+
+    return config_data
+
 
 def generate_selectors(c, config_node):
-## protocols and security are being mapped here
-## for backward compatibility with old configs
-## security and protocol mappings can be removed later
-  if c.is_tag(config_node):
-    nodes = c.list_nodes(config_node)
-    selectors = ""
-    for node in nodes:
-      lvl = c.return_value( config_node + ' ' + node + ' level')
-      if lvl == None:
-        lvl = "err"
-      if lvl == 'all':
-        lvl = '*'
-      if node == 'all' and node != nodes[-1]:
-        selectors += "*." + lvl + ";"
-      elif node == 'all':
-        selectors += "*." + lvl
-      elif node != nodes[-1]:
-        if node == 'protocols':
-          node = 'local7'
-        if node == 'security':
-          node = 'auth'
-        selectors += node + "." + lvl + ";"
-      else:
-        if node == 'protocols':
-          node = 'local7'
-        if node == 'security':
-          node = 'auth'
-        selectors += node + "." + lvl
-    return selectors
+# protocols and security are being mapped here
+# for backward compatibility with old configs
+# security and protocol mappings can be removed later
+    if c.is_tag(config_node):
+        nodes = c.list_nodes(config_node)
+        selectors = ""
+        for node in nodes:
+            lvl = c.return_value(config_node + ' ' + node + ' level')
+            if lvl == None:
+                lvl = "err"
+            if lvl == 'all':
+                lvl = '*'
+            if node == 'all' and node != nodes[-1]:
+                selectors += "*." + lvl + ";"
+            elif node == 'all':
+                selectors += "*." + lvl
+            elif node != nodes[-1]:
+                if node == 'protocols':
+                    node = 'local7'
+                if node == 'security':
+                    node = 'auth'
+                selectors += node + "." + lvl + ";"
+            else:
+                if node == 'protocols':
+                    node = 'local7'
+                if node == 'security':
+                    node = 'auth'
+                selectors += node + "." + lvl
+        return selectors
+
 
 def generate(c):
-  if c == None:
-    return None
+    if c == None:
+        return None
 
-  tmpl = jinja2.Template(configs, trim_blocks=True)
-  config_text = tmpl.render(c)
-  with open('/etc/rsyslog.d/vyos-rsyslog.conf', 'w') as f:
-    f.write(config_text)
+    tmpl = jinja2.Template(configs, trim_blocks=True)
+    config_text = tmpl.render(c)
+    with open('/etc/rsyslog.d/vyos-rsyslog.conf', 'w') as f:
+        f.write(config_text)
+
+    # eventually write for each file its own logrotate file, since size is
+    # defined it shouldn't matter
+    tmpl = jinja2.Template(logrotate_configs, trim_blocks=True)
+    config_text = tmpl.render(c)
+    with open('/etc/logrotate.d/vyos-rsyslog', 'w') as f:
+        f.write(config_text)
 
-  ## eventually write for each file its own logrotate file, since size is defined it shouldn't matter
-  tmpl = jinja2.Template(logrotate_configs, trim_blocks=True)
-  config_text = tmpl.render(c)
-  with open('/etc/logrotate.d/vyos-rsyslog', 'w') as f:
-    f.write(config_text)
 
 def verify(c):
-  if c == None:
-    return None
-  #
-  # /etc/rsyslog.conf is generated somewhere and copied over the original (exists in /opt/vyatta/etc/rsyslog.conf)
-  # it interferes with the global logging, to make sure we are using a single base, template is enforced here 
-  #
-  if not os.path.islink('/etc/rsyslog.conf'):
-    os.remove('/etc/rsyslog.conf')
-    os.symlink('/usr/share/vyos/templates/rsyslog/rsyslog.conf', '/etc/rsyslog.conf')
-
-  # /var/log/vyos-rsyslog were the old files, we may want to clean those up, but currently there
-  # is a chance that someone still needs it, so I don't automatically remove them 
-
-  if c == None:
-    return None
-
-  fac = ['*','auth','authpriv','cron','daemon','kern','lpr','mail','mark','news','protocols','security',\
-        'syslog','user','uucp','local0','local1','local2','local3','local4','local5','local6','local7']
-  lvl = ['emerg','alert','crit','err','warning','notice','info','debug','*']
-
-  for conf in c:
-    if c[conf]:
-      for item in c[conf]:
-        for s in c[conf][item]['selectors'].split(";"):
-          f = re.sub("\..*$","",s)
-          if f not in fac:
-            print (c[conf])
-            raise ConfigError('Invalid facility ' + s + ' set in '+ conf + ' ' + item)
-          l = re.sub("^.+\.","",s)
-          if l not in lvl:
-            raise ConfigError('Invalid logging level ' + s + ' set in '+ conf + ' ' + item)
+    if c == None:
+        return None
+    #
+    # /etc/rsyslog.conf is generated somewhere and copied over the original (exists in /opt/vyatta/etc/rsyslog.conf)
+    # it interferes with the global logging, to make sure we are using a single base, template is enforced here
+    #
+    if not os.path.islink('/etc/rsyslog.conf'):
+        os.remove('/etc/rsyslog.conf')
+        os.symlink(
+            '/usr/share/vyos/templates/rsyslog/rsyslog.conf', '/etc/rsyslog.conf')
+
+    # /var/log/vyos-rsyslog were the old files, we may want to clean those up, but currently there
+    # is a chance that someone still needs it, so I don't automatically remove
+    # them
+
+    if c == None:
+        return None
+
+    fac = [
+        '*', 'auth', 'authpriv', 'cron', 'daemon', 'kern', 'lpr', 'mail', 'mark', 'news', 'protocols', 'security',
+          'syslog', 'user', 'uucp', 'local0', 'local1', 'local2', 'local3', 'local4', 'local5', 'local6', 'local7']
+    lvl = ['emerg', 'alert', 'crit', 'err',
+           'warning', 'notice', 'info', 'debug', '*']
+
+    for conf in c:
+        if c[conf]:
+            for item in c[conf]:
+                for s in c[conf][item]['selectors'].split(";"):
+                    f = re.sub("\..*$", "", s)
+                    if f not in fac:
+                        print (c[conf])
+                        raise ConfigError(
+                            'Invalid facility ' + s + ' set in ' + conf + ' ' + item)
+                    l = re.sub("^.+\.", "", s)
+                    if l not in lvl:
+                        raise ConfigError(
+                            'Invalid logging level ' + s + ' set in ' + conf + ' ' + item)
+
 
 def apply(c):
-  if not os.path.exists('/var/run/rsyslogd.pid'):
-    os.system("sudo systemctl start rsyslog >/dev/null")
-  else:
-    os.system("sudo systemctl restart rsyslog >/dev/null")
+    if not c and os.path.exists('/var/run/rsyslogd.pid'):
+        os.system("sudo systemctl stop syslog.socket")
+        os.system("sudo systemctl stop rsyslog")
+    else:
+        if not os.path.exists('/var/run/rsyslogd.pid'):
+            os.system("sudo systemctl start rsyslog >/dev/null")
+        else:
+            os.system("sudo systemctl restart rsyslog >/dev/null")
 
 
 if __name__ == '__main__':
-  try:
-    c = get_config()
-    verify(c)
-    generate(c)
-    apply(c)
-  except ConfigError as e:
-    print(e)
-    sys.exit(1)
+    try:
+        c = get_config()
+        verify(c)
+        generate(c)
+        apply(c)
+    except ConfigError as e:
+        print(e)
+        sys.exit(1)