slaprunner: fix resiliency exporter script

/reviewed-on nexedi/slapos!418

software/slaprunner/buildout.hash.cfg

@@ -22,7 +22,7 @@ md5sum = e12255a8c946b3eb8c6373fff481339f
 
 [template-runner-import-script]
 filename = template/runner-import.sh.jinja2
-md5sum = 92ac3f6982dec97e3b2df90f97111bd3
+md5sum = bdfcf6edc20cc9f390b3e34e2531377b
 
 [instance-runner-import]
 filename = instance-runner-import.cfg.in
@@ -30,7 +30,7 @@ md5sum = 7a879739afe55320ee96409bcc8a52ab
 
 [template-runner-export-script]
 filename = template/runner-export.sh.jinja2
-md5sum = d9b110db2a35c88c9eb8f87c2d2cad21
+md5sum = 231f9b74862f8991f54326511e76f5ec
 
 [instance-runner-export]
 filename = instance-runner-export.cfg.in

software/slaprunner/template/runner-export.sh.jinja2

@@ -56,7 +56,12 @@ if 1:
         print("*.pid")
         print(".installed*.cfg")
         for partition in glob.glob(path + "/instance/slappart*"):
+            try:
               os.chdir(partition)
+            except OSError as e:
+              if e.errno != errno.ENOTDIR:
+                raise
+              continue
             try:
                 with open("srv/exporter.exclude") as f:
                     exclude = f.readlines()
@@ -117,7 +122,7 @@ sleep 5
 
 # Getting files from runner backup directory, as instance backup files may be
 # explicitely excluded from the backup, using the srv/exporter.exclude
-find -path "./runner/instance/slappart*/srv/backup/*" -type f -print0 |
+find -path "./runner/instance/slappart*/srv/backup/*" -type f ! -name backup.signature -print0 |
 xargs -r0 sha256sum | sort -k 66 > "$tmp_backup_sum"
 
 # If no backup found, it's over

software/slaprunner/template/runner-import.sh.jinja2

@@ -69,7 +69,12 @@ if 1:
         print("*.pid")
         print(".installed*.cfg")
         for partition in glob.glob(path + "/instance/slappart*"):
+            try:
               os.chdir(partition)
+            except OSError as e:
+              if e.errno != errno.ENOTDIR:
+                raise
+              continue
             try:
                 with open("srv/exporter.exclude") as f:
                     exclude = f.readlines()