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libplugin: don't spew datastore errors to LOG_DEBUG.

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People get upset, especially as our "not found" error can be a bit
hard to read!

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
See-also: #5990
This commit is contained in:
Rusty Russell
2023-02-10 14:53:53 +10:30
committed by Alex Myers
parent dd9400df99
commit 70aee52903
6 changed files with 56 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
plugins/autoclean.c
View File

@@ -574,8 +574,11 @@ static const char *init(struct plugin *p,
cleantimer = plugin_timer(p, time_from_sec(cycle_seconds), do_clean_timer, NULL);
/* We don't care if this fails (it usually does, since entries
* don't exist! */
for (enum subsystem i = 0; i < NUM_SUBSYSTEM; i++) {
rpc_scan_datastore_str(plugin, datastore_path(tmpctx, i, "num"),
rpc_scan_datastore_str(tmpctx, plugin,
datastore_path(tmpctx, i, "num"),
JSON_SCAN(json_to_u64, &total_cleaned[i]));
}

12
plugins/commando.c
View File

@@ -989,6 +989,7 @@ static const char *init(struct plugin *p,
const char *buf UNUSED, const jsmntok_t *config UNUSED)
{
struct secret rune_secret;
const char *err;
outgoing_commands = tal_arr(p, struct commando *, 0);
incoming_commands = tal_arr(p, struct commando *, 0);
@@ -1000,13 +1001,16 @@ static const char *init(struct plugin *p,
#endif
rune_counter = tal(p, u64);
if (!rpc_scan_datastore_str(plugin, "commando/rune_counter",
JSON_SCAN(json_to_u64, rune_counter)))
/* If this fails, it probably doesn't exist */
err = rpc_scan_datastore_str(tmpctx, plugin, "commando/rune_counter",
JSON_SCAN(json_to_u64, rune_counter));
if (err)
rune_counter = tal_free(rune_counter);
/* Old python commando used to store secret */
if (!rpc_scan_datastore_hex(plugin, "commando/secret",
JSON_SCAN(json_to_secret, &rune_secret))) {
err = rpc_scan_datastore_hex(tmpctx, plugin, "commando/secret",
JSON_SCAN(json_to_secret, &rune_secret));
if (err) {
rpc_scan(plugin, "makesecret",
/* $ i commando
* 99 0x63 0143 0b1100011 'c'

40
plugins/libplugin.c
View File

@@ -627,14 +627,14 @@ static void json_add_keypath(struct json_out *jout, const char *fieldname, const
json_out_end(jout, ']');
}
static bool rpc_scan_datastore(struct plugin *plugin,
const char *path,
const char *hex_or_string,
va_list ap)
static const char *rpc_scan_datastore(const tal_t *ctx,
struct plugin *plugin,
const char *path,
const char *hex_or_string,
va_list ap)
{
const char *guide;
struct json_out *params;
const char *err;
params = json_out_new(NULL);
json_out_start(params, NULL, '{');
@@ -643,37 +643,35 @@ static bool rpc_scan_datastore(struct plugin *plugin,
json_out_finished(params);
guide = tal_fmt(tmpctx, "{datastore:[0:{%s:%%}]}", hex_or_string);
/* FIXME: Could be some other error, but that's probably a caller bug! */
err = rpc_scan_core(tmpctx, plugin, "listdatastore", take(params), guide, ap);
if (!err)
return true;
plugin_log(plugin, LOG_DBG, "listdatastore error %s: %s", path, err);
return false;
return rpc_scan_core(ctx, plugin, "listdatastore", take(params),
guide, ap);
}
bool rpc_scan_datastore_str(struct plugin *plugin,
const char *path,
...)
const char *rpc_scan_datastore_str(const tal_t *ctx,
struct plugin *plugin,
const char *path,
...)
{
bool ret;
const char *ret;
va_list ap;
va_start(ap, path);
ret = rpc_scan_datastore(plugin, path, "string", ap);
ret = rpc_scan_datastore(ctx, plugin, path, "string", ap);
va_end(ap);
return ret;
}
/* This variant scans the hex encoding, not the string */
bool rpc_scan_datastore_hex(struct plugin *plugin,
const char *path,
...)
const char *rpc_scan_datastore_hex(const tal_t *ctx,
struct plugin *plugin,
const char *path,
...)
{
bool ret;
const char *ret;
va_list ap;
va_start(ap, path);
ret = rpc_scan_datastore(plugin, path, "hex", ap);
ret = rpc_scan_datastore(ctx, plugin, path, "hex", ap);
va_end(ap);
return ret;
}

20
plugins/libplugin.h
View File

@@ -310,17 +310,19 @@ void rpc_scan(struct plugin *plugin,
const char *guide,
...);
/* Helper to scan datastore: can only be used in init callback. *
Returns false if field does not exist. * path is /-separated. Final
arg is JSON_SCAN or JSON_SCAN_TAL.
/* Helper to scan datastore: can only be used in init callback. Returns error
* msg (usually meaning field does not exist), or NULL on success. path is
* /-separated. Final arg is JSON_SCAN or JSON_SCAN_TAL.
*/
bool rpc_scan_datastore_str(struct plugin *plugin,
const char *path,
...);
const char *rpc_scan_datastore_str(const tal_t *ctx,
struct plugin *plugin,
const char *path,
...);
/* This variant scans the hex encoding, not the string */
bool rpc_scan_datastore_hex(struct plugin *plugin,
const char *path,
...);
const char *rpc_scan_datastore_hex(const tal_t *ctx,
struct plugin *plugin,
const char *path,
...);
/* This sets batching of database commitments */
void rpc_enable_batching(struct plugin *plugin);

20
tests/plugins/test_libplugin.c
View File

@@ -131,7 +131,7 @@ static const char *init(struct plugin *p,
const char *buf UNUSED,
const jsmntok_t *config UNUSED)
{
const char *name;
const char *name, *err_str, *err_hex;
const u8 *binname;
plugin_log(p, LOG_DBG, "test_libplugin initialised!");
@@ -143,19 +143,21 @@ static const char *init(struct plugin *p,
return "Disabled via selfdisable option";
/* Test rpc_scan_datastore funcs */
if (!rpc_scan_datastore_str(p, "test_libplugin/name",
JSON_SCAN_TAL(tmpctx, json_strdup,
&name)))
err_str = rpc_scan_datastore_str(tmpctx, p, "test_libplugin/name",
JSON_SCAN_TAL(tmpctx, json_strdup,
&name));
if (err_str)
name = NULL;
if (!rpc_scan_datastore_hex(p, "test_libplugin/name",
JSON_SCAN_TAL(tmpctx, json_tok_bin_from_hex,
&binname)))
err_hex = rpc_scan_datastore_hex(tmpctx, p, "test_libplugin/name",
JSON_SCAN_TAL(tmpctx, json_tok_bin_from_hex,
&binname));
if (err_hex)
binname = NULL;
plugin_log(p, LOG_INFORM, "String name from datastore: %s",
name ? name : "NOT FOUND");
name ? name : err_str);
plugin_log(p, LOG_INFORM, "Hex name from datastore: %s",
binname ? tal_hex(tmpctx, binname) : "NOT FOUND");
binname ? tal_hex(tmpctx, binname) : err_hex);
return NULL;
}

6
tests/test_plugin.py
View File

@@ -1499,8 +1499,8 @@ def test_libplugin(node_factory):
# Test startup
assert l1.daemon.is_in_log("test_libplugin initialised!")
assert l1.daemon.is_in_log("String name from datastore: NOT FOUND")
assert l1.daemon.is_in_log("Hex name from datastore: NOT FOUND")
assert l1.daemon.is_in_log("String name from datastore:.*token has no index 0")
assert l1.daemon.is_in_log("Hex name from datastore:.*token has no index 0")
# This will look on datastore for default, won't find it.
assert l1.rpc.call("helloworld") == {"hello": "NOT FOUND"}
@@ -1519,7 +1519,7 @@ def test_libplugin(node_factory):
# yet whether strings are allowed:
l1.daemon.wait_for_log(r"test_libplugin: [0-9]*\[OUT\]")
l1.daemon.wait_for_log("String name from datastore: NOT FOUND")
l1.daemon.wait_for_log("String name from datastore:.*object does not have member string")
l1.daemon.wait_for_log("Hex name from datastore: 00010203")
# Test commands