From 391ce22b76190309f81e048ebffab778b0fdee1d Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Tue, 11 Jan 2022 20:59:54 +0100
Subject: migrator: interfaces: T4171: bugfix ConfigTreeError

---
 src/migration-scripts/interfaces/11-to-12 | 2 ++
 src/migration-scripts/interfaces/12-to-13 | 2 ++
 src/migration-scripts/interfaces/22-to-23 | 2 ++
 src/migration-scripts/interfaces/9-to-10  | 2 ++
 4 files changed, 8 insertions(+)

diff --git a/src/migration-scripts/interfaces/11-to-12 b/src/migration-scripts/interfaces/11-to-12
index 0dad24642..ca4ebe741 100755
--- a/src/migration-scripts/interfaces/11-to-12
+++ b/src/migration-scripts/interfaces/11-to-12
@@ -31,6 +31,8 @@ if __name__ == '__main__':
         config_file = f.read()
 
     config = ConfigTree(config_file)
+    if not config.exists(['interfaces']):
+        exit(0)
 
     for type in config.list_nodes(['interfaces']):
         for interface in config.list_nodes(['interfaces', type]):
diff --git a/src/migration-scripts/interfaces/12-to-13 b/src/migration-scripts/interfaces/12-to-13
index f866ca9a6..fbd7e6f47 100755
--- a/src/migration-scripts/interfaces/12-to-13
+++ b/src/migration-scripts/interfaces/12-to-13
@@ -33,6 +33,8 @@ if __name__ == '__main__':
         config_file = f.read()
 
     config = ConfigTree(config_file)
+    if not config.exists(['interfaces']):
+        exit(0)
 
     #
     # T2903
diff --git a/src/migration-scripts/interfaces/22-to-23 b/src/migration-scripts/interfaces/22-to-23
index 06e07572f..734aa1fd8 100755
--- a/src/migration-scripts/interfaces/22-to-23
+++ b/src/migration-scripts/interfaces/22-to-23
@@ -84,6 +84,8 @@ if __name__ == '__main__':
         config_file = f.read()
 
     config = ConfigTree(config_file)
+    if not config.exists(['interfaces']):
+        exit(0)
 
     #
     # Migrate "interface ethernet eth0 ip ospf" to "protocols ospf interface eth0"
diff --git a/src/migration-scripts/interfaces/9-to-10 b/src/migration-scripts/interfaces/9-to-10
index 4aa2c42b5..c6311a24d 100755
--- a/src/migration-scripts/interfaces/9-to-10
+++ b/src/migration-scripts/interfaces/9-to-10
@@ -32,6 +32,8 @@ if __name__ == '__main__':
         config_file = f.read()
 
     config = ConfigTree(config_file)
+    if not config.exists(['interfaces']):
+        exit(0)
 
     for intf_type in config.list_nodes(['interfaces']):
         for intf in config.list_nodes(['interfaces', intf_type]):
-- 
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