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MINOR: debug: add features and build options to "show dev"

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The "show dev" CLI command is still missing useful elements such as the
build options, SSL version etc. Let's just add the build features and
the build options there so that it's possible to collect all of this
from a running process without having to start the executable with -vv.

This is still dumped all at once from the parsing function since the
output is small. If it were to grow, this would possibly require to be
reworked to support a context.

It might be helpful to backport this to 2.9 since it can help narrow
down certain issues.
This commit is contained in:
Willy Tarreau 2024-01-02 11:08:04 +01:00
parent afba58f21e
commit 9d869b10de
1 changed files with 9 additions and 0 deletions
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9
src/debug.c
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@ -493,11 +493,20 @@ static int debug_parse_cli_show_libs(char **args, char *payload, struct appctx *
/* parse a "show dev" command. It returns 1 if it emits anything otherwise zero. */
static int debug_parse_cli_show_dev(char **args, char *payload, struct appctx *appctx, void *private)
{
const char **build_opt;
if (*args[2])
return cli_err(appctx, "This command takes no argument.\n");
chunk_reset(&trash);
chunk_appendf(&trash, "Features\n %s\n", build_features);
chunk_appendf(&trash, "Build options\n");
for (build_opt = NULL; (build_opt = hap_get_next_build_opt(build_opt)); )
if (append_prefixed_str(&trash, *build_opt, " ", '\n', 0) == 0)
chunk_strcat(&trash, "\n");
chunk_appendf(&trash, "Platform info\n");
if (*post_mortem.platform.hw_vendor)
chunk_appendf(&trash, " machine vendor: %s\n", post_mortem.platform.hw_vendor);