Environment force recovery option

If specified environment variable:

  TARANTOOL_FORCE_RECOVERY

When set to "true" Tarantool tries to continue if there is an
error while reading a snapshot file or a write-ahead log file.
Skips invalid records, reads as much data as possible, print
a warning in console and start the database.

Author: nekufa

README.md

@@ -287,6 +287,10 @@ decreased if most of the tuples are very small. Default is 16.
 Optional. Specifies how often snapshots will be made, in seconds.
 Default is 3600 (every 1 hour).
 
+### `TARANTOOL_FORCE_RECOVERY`
+
+Optional. When set to "true" Tarantool tries to continue if there is an error while reading a snapshot file or a write-ahead log file. Skips invalid records, reads as much data as possible, print a warning in console and start the database.
+
 # Reporting problems and getting help
 
 You can report problems and request

files/tarantool-entrypoint.lua

@@ -181,6 +181,7 @@ local function wrapper_cfg(override)
         file_cfg.TARANTOOL_SLAB_ALLOC_MINIMAL = os.getenv('TARANTOOL_SLAB_ALLOC_MINIMAL')
         file_cfg.TARANTOOL_SLAB_ALLOC_MAXIMAL = os.getenv('TARANTOOL_SLAB_ALLOC_MAXIMAL')
         file_cfg.TARANTOOL_PORT = os.getenv('TARANTOOL_PORT')
+        file_cfg.TARANTOOL_FORCE_RECOVERY = os.getenv('TARANTOOL_FORCE_RECOVERY')
         file_cfg.TARANTOOL_WAL_MODE = os.getenv('TARANTOOL_WAL_MODE')
         file_cfg.TARANTOOL_REPLICATION_SOURCE = os.getenv('TARANTOOL_REPLICATION_SOURCE')
         file_cfg.TARANTOOL_REPLICATION = os.getenv('TARANTOOL_REPLICATION')
@@ -234,6 +235,8 @@ local function wrapper_cfg(override)
     cfg.wal_mode = file_cfg.TARANTOOL_WAL_MODE or
         override.wal_mode
 
+    cfg.force_recovery = file_cfg.TARANTOOL_FORCE_RECOVERY == 'true'
+
     cfg.wal_dir = override.wal_dir or '/var/lib/tarantool'
     cfg.vinyl_dir = override.vinyl_dir or '/var/lib/tarantool'
     cfg.pid_file = override.pid_file or '/var/run/tarantool/tarantool.pid'

files/tarantool_set_config.lua

@@ -86,6 +86,7 @@ local vars = {
     TARANTOOL_SLAB_ALLOC_MAXIMAL=nop,
     TARANTOOL_SLAB_ALLOC_MINIMAL=nop,
     TARANTOOL_PORT=nop,
+    TARANTOOL_FORCE_RECOVERY=nop,
     TARANTOOL_WAL_MODE=nop,
     TARANTOOL_USER_NAME=update_credentials,
     TARANTOOL_USER_PASSWORD=update_credentials,