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CLEANUP: vars: make the error message clearer on missing arguments for set-var

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The error message after "http-response set-var" isn't very clear:

  [ALERT] 070/115043 (30526) : parsing [/dev/stdin:2] : error detected in proxy 'f' while parsing 'http-response set-var' rule : invalid variable 'set-var'. Expects 'set-var(<var-name>)' or 'unset-var(<var-name>)'.

Let's change it to this instead:

  [ALERT] 070/115608 (30799) : parsing [/dev/stdin:2] : error detected in proxy 'f' while parsing 'http-response set-var' rule : invalid or incomplete action 'set-var'. Expects 'set-var(<var-name>)' or 'unset-var(<var-name>)'.

With a wrong action name, it also works better (it's handled as a prefix
due to the opening parenthesis):

  [ALERT] 070/115608 (30799) : parsing [/dev/stdin:2] : error detected in proxy 'f' while parsing 'http-response set-varxxx' rule : invalid or incomplete action 'set-varxxx'. Expects 'set-var(<var-name>)' or 'unset-var(<var-name>)'.
This commit is contained in:
Willy Tarreau 2021-03-12 11:53:19 +01:00
parent 72d012fbd9
commit 3d1d178933
1 changed files with 2 additions and 2 deletions
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4
src/vars.c
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@ -737,7 +737,7 @@ static enum act_parse_ret parse_store(const char **args, int *arg, struct proxy
} }
if (*var_name != '(') { if (*var_name != '(') {
memprintf(err, "invalid variable '%s'. Expects 'set-var(<var-name>)' or 'unset-var(<var-name>)'", memprintf(err, "invalid or incomplete action '%s'. Expects 'set-var(<var-name>)' or 'unset-var(<var-name>)'",
args[*arg-1]); args[*arg-1]);
return ACT_RET_PRS_ERR; return ACT_RET_PRS_ERR;
} }
@ -745,7 +745,7 @@ static enum act_parse_ret parse_store(const char **args, int *arg, struct proxy
var_len = strlen(var_name); var_len = strlen(var_name);
var_len--; /* remove the ')' */ var_len--; /* remove the ')' */
if (var_name[var_len] != ')') { if (var_name[var_len] != ')') {
memprintf(err, "invalid variable '%s'. Expects 'set-var(<var-name>)' or 'unset-var(<var-name>)'", memprintf(err, "incomplete expression after action '%s'. Expects 'set-var(<var-name>)' or 'unset-var(<var-name>)'",
args[*arg-1]); args[*arg-1]);
return ACT_RET_PRS_ERR; return ACT_RET_PRS_ERR;
} }