From 6a3938cbf595ea24d2d2e3802cf78a0519483339 Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Sun, 26 Apr 2020 11:31:16 +0200
Subject: salt: T2384: migrate config options

- delete log_file, log_level and user nodes
- rename hash_type to hash
- rename mine_interval to interval
---
 data/templates/salt-minion/minion.tmpl   |  4 +--
 interface-definitions/salt-minion.xml.in |  9 ++---
 src/conf_mode/salt-minion.py             | 10 +++---
 src/migration-scripts/salt/0-to-1        | 58 ++++++++++++++++++++++++++++++++
 4 files changed, 67 insertions(+), 14 deletions(-)
 create mode 100755 src/migration-scripts/salt/0-to-1

diff --git a/data/templates/salt-minion/minion.tmpl b/data/templates/salt-minion/minion.tmpl
index 0b97c0524..9369573a4 100644
--- a/data/templates/salt-minion/minion.tmpl
+++ b/data/templates/salt-minion/minion.tmpl
@@ -12,7 +12,7 @@
 #
 # Prior to changing this value, the master should be stopped and all Salt
 # caches should be cleared.
-hash_type: {{ hash_type }}
+hash_type: {{ hash }}
 
 #####         Logging settings       #####
 ##########################################
@@ -54,6 +54,6 @@ id: {{ salt_id }}
 
 
 # The number of minutes between mine updates.
-mine_interval: {{ mine_interval }}
+mine_interval: {{ interval }}
 
 verify_master_pubkey_sign: {{ verify_master_pubkey_sign }}
diff --git a/interface-definitions/salt-minion.xml.in b/interface-definitions/salt-minion.xml.in
index 1c1dee2fb..d0e8e3e2b 100644
--- a/interface-definitions/salt-minion.xml.in
+++ b/interface-definitions/salt-minion.xml.in
@@ -8,7 +8,7 @@
           <priority>500</priority>
         </properties>
         <children>
-          <leafNode name="hash_type">
+          <leafNode name="hash">
             <properties>
               <help>Hash used when discovering file on master server (default: sha256)</help>
               <completionHelp>
@@ -43,12 +43,7 @@
               <help>Explicitly declare the id for this minion to use.</help>
             </properties>
           </leafNode>
-          <leafNode name="user">
-            <properties>
-              <help>The user to run the Salt processes.</help>
-            </properties>
-          </leafNode>
-          <leafNode name="mine_interval">
+          <leafNode name="interval">
             <properties>
               <help>The number of minutes between mine updates.</help>
             </properties>
diff --git a/src/conf_mode/salt-minion.py b/src/conf_mode/salt-minion.py
index d3412b7ef..515019014 100755
--- a/src/conf_mode/salt-minion.py
+++ b/src/conf_mode/salt-minion.py
@@ -30,7 +30,7 @@ config_file = r'/etc/salt/minion'
 master_keyfile = r'/opt/vyatta/etc/config/salt/pki/minion/master_sign.pub'
 
 default_config_data = {
-    'hash_type': 'sha256',
+    'hash': 'sha256',
     'log_level': 'warning',
     'master' : 'salt',
     'user': 'nobody',
@@ -51,8 +51,8 @@ def get_config():
     else:
         conf.set_level(base)
 
-    if conf.exists(['hash_type']):
-        salt['hash_type'] = conf.return_value(['hash_type'])
+    if conf.exists(['hash']):
+        salt['hash'] = conf.return_value(['hash'])
 
     if conf.exists(['master']):
         salt['master'] = conf.return_values(['master'])
@@ -63,8 +63,8 @@ def get_config():
     if conf.exists(['user']):
         salt['user'] = conf.return_value(['user'])
 
-    if conf.exists(['mine_interval']):
-        salt['mine_interval'] = conf.return_value(['mine_interval'])
+    if conf.exists(['interval']):
+        salt['interval'] = conf.return_value(['interval'])
 
     if conf.exists(['master-key']):
         salt['master_key'] = conf.return_value(['master-key'])
diff --git a/src/migration-scripts/salt/0-to-1 b/src/migration-scripts/salt/0-to-1
new file mode 100755
index 000000000..79053c056
--- /dev/null
+++ b/src/migration-scripts/salt/0-to-1
@@ -0,0 +1,58 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2020 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Delete log_file, log_level and user nodes
+# rename hash_type to hash
+# rename mine_interval to interval
+
+from sys import argv,exit
+
+from vyos.configtree import ConfigTree
+
+if (len(argv) < 1):
+    print("Must specify file name!")
+    exit(1)
+
+file_name = argv[1]
+
+with open(file_name, 'r') as f:
+    config_file = f.read()
+
+config = ConfigTree(config_file)
+
+base = ['service', 'salt-minion']
+if not config.exists(base):
+    # Nothing to do
+    exit(0)
+else:
+
+    # delete nodes which are now populated with sane defaults
+    for node in ['log_file', 'log_level', 'user']:
+        if config.exists(base + [node]):
+            config.delete(base + [node])
+
+    if config.exists(base + ['hash_type']):
+        config.rename(base + ['hash_type'], 'hash')
+
+    if config.exists(base + ['mine_interval']):
+        config.rename(base + ['mine_interval'], 'interval')
+
+    try:
+        with open(file_name, 'w') as f:
+            f.write(config.to_string())
+    except OSError as e:
+        print("Failed to save the modified config: {}".format(e))
+        exit(1)
-- 
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