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authorDaniil Baturin <daniil@baturin.org>2018-05-29 23:07:52 +0200
committerDaniil Baturin <daniil@baturin.org>2018-05-29 23:07:52 +0200
commit737d72dc07e630231202fe1ae513c6195b6d250b (patch)
tree057ced5d09ae9567c889ee8bdea442e028467cf0
parenta331911473ddf3d9313a45a9cf126a4d1ead4753 (diff)
downloadvyos-1x-737d72dc07e630231202fe1ae513c6195b6d250b.tar.gz
vyos-1x-737d72dc07e630231202fe1ae513c6195b6d250b.zip
T667: add a migration script for converting "system gateway-address" to "protocols static route 0.0.0.0".
Code-wise that option was in vyatta-cfg-quagga, but the syntax is inside "system", so let's keep the script under system too.
-rwxr-xr-xdebian/rules8
-rwxr-xr-xsrc/migration-scripts/system/7-to-845
2 files changed, 53 insertions, 0 deletions
diff --git a/debian/rules b/debian/rules
index 31deefeff..749b0d46b 100755
--- a/debian/rules
+++ b/debian/rules
@@ -7,6 +7,8 @@ VYOS_LIBEXEC_DIR := usr/libexec/vyos
VYOS_CFG_TMPL_DIR := /opt/vyatta/share/vyatta-cfg/templates
VYOS_OP_TMPL_DIR := /opt/vyatta/share/vyatta-op/templates
+MIGRATION_SCRIPTS_DIR := /opt/vyatta/etc/config-migrate/migrate/
+
%:
dh $@ --with python3, --with quilt
@@ -40,8 +42,14 @@ override_dh_auto_install:
# Install helper scripts
cp -r src/helpers/* $(DIR)/$(VYOS_LIBEXEC_DIR)/
+ # Install migration scripts
+ mkdir -p $(DIR)/$(MIGRATION_SCRIPTS_DIR)
+ cp -r src/migration-scripts/* $(DIR)/$(MIGRATION_SCRIPTS_DIR)
+
+ # Install configuration command definitions
mkdir -p $(DIR)/$(VYOS_CFG_TMPL_DIR)
cp -r templates-cfg/* $(DIR)/$(VYOS_CFG_TMPL_DIR)
+ # Install operational command definitions
mkdir -p $(DIR)/$(VYOS_OP_TMPL_DIR)
cp -r templates-op/* $(DIR)/$(VYOS_OP_TMPL_DIR)
diff --git a/src/migration-scripts/system/7-to-8 b/src/migration-scripts/system/7-to-8
new file mode 100755
index 000000000..4cbb21f17
--- /dev/null
+++ b/src/migration-scripts/system/7-to-8
@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+
+# Converts "system gateway-address" option to "protocols static route 0.0.0.0/0 next-hop $gw"
+
+import sys
+
+from vyos.configtree import ConfigTree
+
+if (len(sys.argv) < 1):
+ print("Must specify file name!")
+ sys.exit(1)
+
+file_name = sys.argv[1]
+
+with open(file_name, 'r') as f:
+ config_file = f.read()
+
+config = ConfigTree(config_file)
+
+if not config.exists(['system', 'gateway-address']):
+ # Nothing to do
+ sys.exit(0)
+else:
+ # Save the address
+ gw = config.return_value(['system', 'gateway-address'])
+
+ # Create the node for the new syntax
+ # Note: next-hop is a tag node, gateway address is its child, not a value
+ config.set(['protocols', 'static', 'route', '0.0.0.0/0', 'next-hop', gw])
+
+ # Delete the node with the old syntax
+ config.delete(['system', 'gateway-address'])
+
+ # Now, the interesting part. Both route and next-hop are supposed to be tag nodes,
+ # which you can verify with "cli-shell-api isTag $configPath".
+ # They must be formatted as such to load correctly.
+ config.set_tag(['protocols', 'static', 'route'])
+ config.set_tag(['protocols', 'static', 'route', '0.0.0.0/0', 'next-hop'])
+
+ 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))
+ sys.exit(1)