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Improve database connection failure logging

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Log the output of PQerrorStatus() in a couple of places where it was missing.

Additionally, always log the output of PQerrorStatus() starting with a blank
line, otherwise the first line looks like it was emitted by repmgr, and
it's harder to scan the error message.

Before:

    [2019-03-20 11:24:15] [DETAIL] could not connect to server: Connection refused
            Is the server running on host "localhost" (::1) and accepting
            TCP/IP connections on port 5501?
    could not connect to server: Connection refused
            Is the server running on host "localhost" (127.0.0.1) and accepting
            TCP/IP connections on port 5501?

After:

    [2019-03-20 11:27:21] [DETAIL]
    could not connect to server: Connection refused
            Is the server running on host "localhost" (::1) and accepting
            TCP/IP connections on port 5501?
    could not connect to server: Connection refused
            Is the server running on host "localhost" (127.0.0.1) and accepting
            TCP/IP connections on port 5501?
This commit is contained in:
Ian Barwick
2019-03-20 11:27:12 +09:00
parent 426759ca8e
commit 46efe57cd0
6 changed files with 47 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
repmgr-action-witness.c
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@@ -56,8 +56,7 @@ do_witness_register(void)
log_error(_("unable to connect to witness node \"%s\" (ID: %i)"),
config_file_options.node_name,
config_file_options.node_id);
log_detail("%s",
PQerrorMessage(witness_conn));
log_detail("\n%s", PQerrorMessage(witness_conn));
log_hint(_("the witness node must be running before it can be registered"));
exit(ERR_BAD_CONFIG);
}
@@ -411,7 +410,7 @@ do_witness_unregister(void)
log_error(_("unable to connect to node \"%s\" (ID: %i)"),
config_file_options.node_name,
config_file_options.node_id);
log_detail("%s", PQerrorMessage(local_conn));
log_detail("\n%s", PQerrorMessage(local_conn));
exit(ERR_BAD_CONFIG);
}
@@ -437,7 +436,7 @@ do_witness_unregister(void)
if (PQstatus(primary_conn) != CONNECTION_OK)
{
log_error(_("unable to connect to primary"));
log_detail("%s", PQerrorMessage(primary_conn));
log_detail("\n%s", PQerrorMessage(primary_conn));
if (local_node_available == true)
{