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|
/*
* Copyright 2004-2025 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU Lesser General Public License
* version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <bzlib.h>
#include <errno.h>
#include <netdb.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <qb/qbdefs.h>
#include <crm/common/mainloop.h>
#include <crm/common/xml.h>
G_DEFINE_QUARK(pcmk-rc-error-quark, pcmk__rc_error)
G_DEFINE_QUARK(pcmk-exitc-error-quark, pcmk__exitc_error)
// General (all result code types)
/*!
* \brief Get the name and description of a given result code
*
* A result code can be interpreted as a member of any one of several families.
*
* \param[in] code The result code to look up
* \param[in] type How \p code should be interpreted
* \param[out] name Where to store the result code's name
* \param[out] desc Where to store the result code's description
*
* \return Standard Pacemaker return code
*/
int
pcmk_result_get_strings(int code, enum pcmk_result_type type, const char **name,
const char **desc)
{
const char *code_name = NULL;
const char *code_desc = NULL;
switch (type) {
case pcmk_result_legacy:
code_name = pcmk_errorname(code);
code_desc = pcmk_strerror(code);
break;
case pcmk_result_rc:
code_name = pcmk_rc_name(code);
code_desc = pcmk_rc_str(code);
break;
case pcmk_result_exitcode:
code_name = crm_exit_name(code);
code_desc = crm_exit_str((crm_exit_t) code);
break;
default:
return pcmk_rc_undetermined;
}
if (name != NULL) {
*name = code_name;
}
if (desc != NULL) {
*desc = code_desc;
}
return pcmk_rc_ok;
}
/*!
* \internal
* \brief Get the lower and upper bounds of a result code family
*
* \param[in] type Type of result code
* \param[out] lower Where to store the lower bound
* \param[out] upper Where to store the upper bound
*
* \return Standard Pacemaker return code
*
* \note There is no true upper bound on standard Pacemaker return codes or
* legacy return codes. All system \p errno values are valid members of
* these result code families, and there is no global upper limit nor a
* constant by which to refer to the highest \p errno value on a given
* system.
*/
int
pcmk__result_bounds(enum pcmk_result_type type, int *lower, int *upper)
{
pcmk__assert((lower != NULL) && (upper != NULL));
switch (type) {
case pcmk_result_legacy:
*lower = pcmk_ok;
*upper = 256; // should be enough for almost any system error code
break;
case pcmk_result_rc:
*lower = pcmk_rc_error - pcmk__n_rc + 1;
*upper = 256;
break;
case pcmk_result_exitcode:
*lower = CRM_EX_OK;
*upper = CRM_EX_MAX;
break;
default:
*lower = 0;
*upper = -1;
return pcmk_rc_undetermined;
}
return pcmk_rc_ok;
}
/*!
* \internal
* \brief Log a failed assertion
*
* \param[in] file File making the assertion
* \param[in] function Function making the assertion
* \param[in] line Line of file making the assertion
* \param[in] assert_condition String representation of assertion
*/
static void
log_assertion_as(const char *file, const char *function, int line,
const char *assert_condition)
{
if (!pcmk__is_daemon) {
crm_enable_stderr(TRUE); // Make sure command-line user sees message
}
crm_err("%s: Triggered fatal assertion at %s:%d : %s",
function, file, line, assert_condition);
}
/* coverity[+kill] */
/*!
* \internal
* \brief Log a failed assertion and abort
*
* \param[in] file File making the assertion
* \param[in] function Function making the assertion
* \param[in] line Line of file making the assertion
* \param[in] assert_condition String representation of assertion
*
* \note This does not return
*/
_Noreturn void
pcmk__abort_as(const char *file, const char *function, int line,
const char *assert_condition)
{
log_assertion_as(file, function, line, assert_condition);
abort();
}
/* coverity[+kill] */
/*!
* \internal
* \brief Handle a failed assertion
*
* When called by a daemon, fork a child that aborts (to dump core), otherwise
* abort the current process.
*
* \param[in] file File making the assertion
* \param[in] function Function making the assertion
* \param[in] line Line of file making the assertion
* \param[in] assert_condition String representation of assertion
*/
static void
fail_assert_as(const char *file, const char *function, int line,
const char *assert_condition)
{
int status = 0;
pid_t pid = 0;
if (!pcmk__is_daemon) {
pcmk__abort_as(file, function, line, assert_condition); // No return
}
pid = fork();
switch (pid) {
case -1: // Fork failed
crm_warn("%s: Cannot dump core for non-fatal assertion at %s:%d "
": %s", function, file, line, assert_condition);
break;
case 0: // Child process: just abort to dump core
abort();
break;
default: // Parent process: wait for child
crm_err("%s: Forked child [%d] to record non-fatal assertion at "
"%s:%d : %s", function, pid, file, line, assert_condition);
crm_write_blackbox(SIGTRAP, NULL);
do {
if (waitpid(pid, &status, 0) == pid) {
return; // Child finished dumping core
}
} while (errno == EINTR);
if (errno == ECHILD) {
// crm_mon ignores SIGCHLD
crm_trace("Cannot wait on forked child [%d] "
"(SIGCHLD is probably ignored)", pid);
} else {
crm_err("Cannot wait on forked child [%d]: %s",
pid, pcmk_rc_str(errno));
}
break;
}
}
/* coverity[+kill] */
void
crm_abort(const char *file, const char *function, int line,
const char *assert_condition, gboolean do_core, gboolean do_fork)
{
if (!do_fork) {
pcmk__abort_as(file, function, line, assert_condition); // No return
} else if (do_core) {
fail_assert_as(file, function, line, assert_condition);
} else {
log_assertion_as(file, function, line, assert_condition);
}
}
// @COMPAT Legacy function return codes
//! \deprecated Use standard return codes and pcmk_rc_name() instead
const char *
pcmk_errorname(int rc)
{
rc = abs(rc);
switch (rc) {
case pcmk_err_generic: return "pcmk_err_generic";
case pcmk_err_no_quorum: return "pcmk_err_no_quorum";
case pcmk_err_schema_validation: return "pcmk_err_schema_validation";
case pcmk_err_transform_failed: return "pcmk_err_transform_failed";
case pcmk_err_old_data: return "pcmk_err_old_data";
case pcmk_err_diff_failed: return "pcmk_err_diff_failed";
case pcmk_err_diff_resync: return "pcmk_err_diff_resync";
case pcmk_err_cib_modified: return "pcmk_err_cib_modified";
case pcmk_err_cib_backup: return "pcmk_err_cib_backup";
case pcmk_err_cib_save: return "pcmk_err_cib_save";
case pcmk_err_cib_corrupt: return "pcmk_err_cib_corrupt";
case pcmk_err_multiple: return "pcmk_err_multiple";
case pcmk_err_node_unknown: return "pcmk_err_node_unknown";
case pcmk_err_already: return "pcmk_err_already";
case pcmk_err_bad_nvpair: return "pcmk_err_bad_nvpair";
case pcmk_err_unknown_format: return "pcmk_err_unknown_format";
default: return pcmk_rc_name(rc); // system errno
}
}
//! \deprecated Use standard return codes and pcmk_rc_str() instead
const char *
pcmk_strerror(int rc)
{
return pcmk_rc_str(pcmk_legacy2rc(rc));
}
// Standard Pacemaker API return codes
/* This array is used only for nonzero values of pcmk_rc_e. Its values must be
* kept in the exact reverse order of the enum value numbering (i.e. add new
* values to the end of the array).
*/
static const struct pcmk__rc_info {
const char *name;
const char *desc;
int legacy_rc;
} pcmk__rcs[] = {
{ "pcmk_rc_error",
"Error",
-pcmk_err_generic,
},
{ "pcmk_rc_unknown_format",
"Unknown output format",
-pcmk_err_unknown_format,
},
{ "pcmk_rc_bad_nvpair",
"Bad name/value pair given",
-pcmk_err_bad_nvpair,
},
{ "pcmk_rc_already",
"Already in requested state",
-pcmk_err_already,
},
{ "pcmk_rc_node_unknown",
"Node not found",
-pcmk_err_node_unknown,
},
{ "pcmk_rc_multiple",
"Resource active on multiple nodes",
-pcmk_err_multiple,
},
{ "pcmk_rc_cib_corrupt",
"Could not parse on-disk configuration",
-pcmk_err_cib_corrupt,
},
{ "pcmk_rc_cib_save",
"Could not save new configuration to disk",
-pcmk_err_cib_save,
},
{ "pcmk_rc_cib_backup",
"Could not archive previous configuration",
-pcmk_err_cib_backup,
},
{ "pcmk_rc_cib_modified",
"On-disk configuration was manually modified",
-pcmk_err_cib_modified,
},
{ "pcmk_rc_diff_resync",
"Application of update diff failed, requesting full refresh",
-pcmk_err_diff_resync,
},
{ "pcmk_rc_diff_failed",
"Application of update diff failed",
-pcmk_err_diff_failed,
},
{ "pcmk_rc_old_data",
"Update was older than existing configuration",
-pcmk_err_old_data,
},
{ "pcmk_rc_transform_failed",
"Schema transform failed",
-pcmk_err_transform_failed,
},
{ "pcmk_rc_schema_unchanged",
"Schema is already the latest available",
-pcmk_err_schema_unchanged,
},
{ "pcmk_rc_schema_validation",
"Update does not conform to the configured schema",
-pcmk_err_schema_validation,
},
{ "pcmk_rc_no_quorum",
"Operation requires quorum",
-pcmk_err_no_quorum,
},
{ "pcmk_rc_ipc_unauthorized",
"IPC server is blocked by unauthorized process",
-pcmk_err_generic,
},
{ "pcmk_rc_ipc_unresponsive",
"IPC server is unresponsive",
-pcmk_err_generic,
},
{ "pcmk_rc_ipc_pid_only",
"IPC server process is active but not accepting connections",
-pcmk_err_generic,
},
{ "pcmk_rc_op_unsatisfied",
"Not applicable under current conditions",
-pcmk_err_generic,
},
{ "pcmk_rc_undetermined",
"Result undetermined",
-pcmk_err_generic,
},
{ "pcmk_rc_before_range",
"Result occurs before given range",
-pcmk_err_generic,
},
{ "pcmk_rc_within_range",
"Result occurs within given range",
-pcmk_err_generic,
},
{ "pcmk_rc_after_range",
"Result occurs after given range",
-pcmk_err_generic,
},
{ "pcmk_rc_no_output",
"Output message produced no output",
-pcmk_err_generic,
},
{ "pcmk_rc_no_input",
"Input file not available",
-pcmk_err_generic,
},
{ "pcmk_rc_underflow",
"Value too small to be stored in data type",
-pcmk_err_generic,
},
{ "pcmk_rc_dot_error",
"Error writing dot(1) file",
-pcmk_err_generic,
},
{ "pcmk_rc_graph_error",
"Error writing graph file",
-pcmk_err_generic,
},
{ "pcmk_rc_invalid_transition",
"Cluster simulation produced invalid transition",
-pcmk_err_generic,
},
{ "pcmk_rc_unpack_error",
"Unable to parse CIB XML",
-pcmk_err_generic,
},
{ "pcmk_rc_duplicate_id",
"Two or more XML elements have the same ID",
-pcmk_err_generic,
},
{ "pcmk_rc_disabled",
"Disabled",
-pcmk_err_generic,
},
{ "pcmk_rc_bad_input",
"Bad input value provided",
-pcmk_err_generic,
},
{ "pcmk_rc_bad_xml_patch",
"Bad XML patch format",
-pcmk_err_generic,
},
{ "pcmk_rc_no_transaction",
"No active transaction found",
-pcmk_err_generic,
},
{ "pcmk_rc_ns_resolution",
"Nameserver resolution error",
-pcmk_err_generic,
},
{ "pcmk_rc_compression",
"Compression/decompression error",
-pcmk_err_generic,
},
{ "pcmk_rc_no_dc",
"DC is not yet elected",
-pcmk_err_generic,
},
{ "pcmk_rc_ipc_more",
"More IPC message fragments to send",
-pcmk_err_generic,
},
};
/*!
* \internal
* \brief The number of <tt>enum pcmk_rc_e</tt> values, excluding \c pcmk_rc_ok
*
* This constant stores the number of negative standard Pacemaker return codes.
* These represent Pacemaker-custom error codes. The count does not include
* positive system error numbers, nor does it include \c pcmk_rc_ok (success).
*/
const size_t pcmk__n_rc = PCMK__NELEM(pcmk__rcs);
/*!
* \brief Get a return code constant name as a string
*
* \param[in] rc Integer return code to convert
*
* \return String of constant name corresponding to rc
*/
const char *
pcmk_rc_name(int rc)
{
if ((rc <= pcmk_rc_error) && ((pcmk_rc_error - rc) < pcmk__n_rc)) {
return pcmk__rcs[pcmk_rc_error - rc].name;
}
switch (rc) {
case pcmk_rc_ok: return "pcmk_rc_ok";
case E2BIG: return "E2BIG";
case EACCES: return "EACCES";
case EADDRINUSE: return "EADDRINUSE";
case EADDRNOTAVAIL: return "EADDRNOTAVAIL";
case EAFNOSUPPORT: return "EAFNOSUPPORT";
case EAGAIN: return "EAGAIN";
case EALREADY: return "EALREADY";
case EBADF: return "EBADF";
case EBADMSG: return "EBADMSG";
case EBUSY: return "EBUSY";
case ECANCELED: return "ECANCELED";
case ECHILD: return "ECHILD";
case ECOMM: return "ECOMM";
case ECONNABORTED: return "ECONNABORTED";
case ECONNREFUSED: return "ECONNREFUSED";
case ECONNRESET: return "ECONNRESET";
/* case EDEADLK: return "EDEADLK"; */
case EDESTADDRREQ: return "EDESTADDRREQ";
case EDOM: return "EDOM";
case EDQUOT: return "EDQUOT";
case EEXIST: return "EEXIST";
case EFAULT: return "EFAULT";
case EFBIG: return "EFBIG";
case EHOSTDOWN: return "EHOSTDOWN";
case EHOSTUNREACH: return "EHOSTUNREACH";
case EIDRM: return "EIDRM";
case EILSEQ: return "EILSEQ";
case EINPROGRESS: return "EINPROGRESS";
case EINTR: return "EINTR";
case EINVAL: return "EINVAL";
case EIO: return "EIO";
case EISCONN: return "EISCONN";
case EISDIR: return "EISDIR";
case ELIBACC: return "ELIBACC";
case ELOOP: return "ELOOP";
case EMFILE: return "EMFILE";
case EMLINK: return "EMLINK";
case EMSGSIZE: return "EMSGSIZE";
#ifdef EMULTIHOP // Not available on OpenBSD
case EMULTIHOP: return "EMULTIHOP";
#endif
case ENAMETOOLONG: return "ENAMETOOLONG";
case ENETDOWN: return "ENETDOWN";
case ENETRESET: return "ENETRESET";
case ENETUNREACH: return "ENETUNREACH";
case ENFILE: return "ENFILE";
case ENOBUFS: return "ENOBUFS";
case ENODATA: return "ENODATA";
case ENODEV: return "ENODEV";
case ENOENT: return "ENOENT";
case ENOEXEC: return "ENOEXEC";
case ENOKEY: return "ENOKEY";
case ENOLCK: return "ENOLCK";
#ifdef ENOLINK // Not available on OpenBSD
case ENOLINK: return "ENOLINK";
#endif
case ENOMEM: return "ENOMEM";
case ENOMSG: return "ENOMSG";
case ENOPROTOOPT: return "ENOPROTOOPT";
case ENOSPC: return "ENOSPC";
#ifdef ENOSR
case ENOSR: return "ENOSR";
#endif
#ifdef ENOSTR
case ENOSTR: return "ENOSTR";
#endif
case ENOSYS: return "ENOSYS";
case ENOTBLK: return "ENOTBLK";
case ENOTCONN: return "ENOTCONN";
case ENOTDIR: return "ENOTDIR";
case ENOTEMPTY: return "ENOTEMPTY";
case ENOTSOCK: return "ENOTSOCK";
#if ENOTSUP != EOPNOTSUPP
case ENOTSUP: return "ENOTSUP";
#endif
case ENOTTY: return "ENOTTY";
case ENOTUNIQ: return "ENOTUNIQ";
case ENXIO: return "ENXIO";
case EOPNOTSUPP: return "EOPNOTSUPP";
case EOVERFLOW: return "EOVERFLOW";
case EPERM: return "EPERM";
case EPFNOSUPPORT: return "EPFNOSUPPORT";
case EPIPE: return "EPIPE";
case EPROTO: return "EPROTO";
case EPROTONOSUPPORT: return "EPROTONOSUPPORT";
case EPROTOTYPE: return "EPROTOTYPE";
case ERANGE: return "ERANGE";
case EREMOTE: return "EREMOTE";
case EREMOTEIO: return "EREMOTEIO";
case EROFS: return "EROFS";
case ESHUTDOWN: return "ESHUTDOWN";
case ESPIPE: return "ESPIPE";
case ESOCKTNOSUPPORT: return "ESOCKTNOSUPPORT";
case ESRCH: return "ESRCH";
case ESTALE: return "ESTALE";
case ETIME: return "ETIME";
case ETIMEDOUT: return "ETIMEDOUT";
case ETXTBSY: return "ETXTBSY";
#ifdef EUNATCH
case EUNATCH: return "EUNATCH";
#endif
case EUSERS: return "EUSERS";
/* case EWOULDBLOCK: return "EWOULDBLOCK"; */
case EXDEV: return "EXDEV";
#ifdef EBADE // Not available on OS X
case EBADE: return "EBADE";
case EBADFD: return "EBADFD";
case EBADSLT: return "EBADSLT";
case EDEADLOCK: return "EDEADLOCK";
case EBADR: return "EBADR";
case EBADRQC: return "EBADRQC";
case ECHRNG: return "ECHRNG";
#ifdef EISNAM // Not available on OS X, Illumos, Solaris
case EISNAM: return "EISNAM";
case EKEYEXPIRED: return "EKEYEXPIRED";
case EKEYREVOKED: return "EKEYREVOKED";
#endif
case EKEYREJECTED: return "EKEYREJECTED";
case EL2HLT: return "EL2HLT";
case EL2NSYNC: return "EL2NSYNC";
case EL3HLT: return "EL3HLT";
case EL3RST: return "EL3RST";
case ELIBBAD: return "ELIBBAD";
case ELIBMAX: return "ELIBMAX";
case ELIBSCN: return "ELIBSCN";
case ELIBEXEC: return "ELIBEXEC";
#ifdef ENOMEDIUM // Not available on OS X, Illumos, Solaris
case ENOMEDIUM: return "ENOMEDIUM";
case EMEDIUMTYPE: return "EMEDIUMTYPE";
#endif
case ENONET: return "ENONET";
case ENOPKG: return "ENOPKG";
case EREMCHG: return "EREMCHG";
case ERESTART: return "ERESTART";
case ESTRPIPE: return "ESTRPIPE";
#ifdef EUCLEAN // Not available on OS X, Illumos, Solaris
case EUCLEAN: return "EUCLEAN";
#endif
case EXFULL: return "EXFULL";
#endif // EBADE
default: return "Unknown";
}
}
/*!
* \brief Get a user-friendly description of a return code
*
* \param[in] rc Integer return code to convert
*
* \return String description of rc
*/
const char *
pcmk_rc_str(int rc)
{
if (rc == pcmk_rc_ok) {
return "OK";
}
if ((rc <= pcmk_rc_error) && ((pcmk_rc_error - rc) < pcmk__n_rc)) {
return pcmk__rcs[pcmk_rc_error - rc].desc;
}
if (rc < 0) {
return "Error";
}
// Handle values that could be defined by system or by portability.h
switch (rc) {
#ifdef PCMK__ENOTUNIQ
case ENOTUNIQ: return "Name not unique on network";
#endif
#ifdef PCMK__ECOMM
case ECOMM: return "Communication error on send";
#endif
#ifdef PCMK__ELIBACC
case ELIBACC: return "Can not access a needed shared library";
#endif
#ifdef PCMK__EREMOTEIO
case EREMOTEIO: return "Remote I/O error";
#endif
#ifdef PCMK__ENOKEY
case ENOKEY: return "Required key not available";
#endif
#ifdef PCMK__ENODATA
case ENODATA: return "No data available";
#endif
#ifdef PCMK__ETIME
case ETIME: return "Timer expired";
#endif
#ifdef PCMK__EKEYREJECTED
case EKEYREJECTED: return "Key was rejected by service";
#endif
default: return strerror(rc);
}
}
// This returns negative values for errors
//! \deprecated Use standard return codes instead
int
pcmk_rc2legacy(int rc)
{
if (rc >= 0) {
return -rc; // OK or system errno
}
if ((rc <= pcmk_rc_error) && ((pcmk_rc_error - rc) < pcmk__n_rc)) {
return pcmk__rcs[pcmk_rc_error - rc].legacy_rc;
}
return -pcmk_err_generic;
}
//! \deprecated Use standard return codes instead
int
pcmk_legacy2rc(int legacy_rc)
{
legacy_rc = abs(legacy_rc);
switch (legacy_rc) {
case pcmk_err_no_quorum: return pcmk_rc_no_quorum;
case pcmk_err_schema_validation: return pcmk_rc_schema_validation;
case pcmk_err_schema_unchanged: return pcmk_rc_schema_unchanged;
case pcmk_err_transform_failed: return pcmk_rc_transform_failed;
case pcmk_err_old_data: return pcmk_rc_old_data;
case pcmk_err_diff_failed: return pcmk_rc_diff_failed;
case pcmk_err_diff_resync: return pcmk_rc_diff_resync;
case pcmk_err_cib_modified: return pcmk_rc_cib_modified;
case pcmk_err_cib_backup: return pcmk_rc_cib_backup;
case pcmk_err_cib_save: return pcmk_rc_cib_save;
case pcmk_err_cib_corrupt: return pcmk_rc_cib_corrupt;
case pcmk_err_multiple: return pcmk_rc_multiple;
case pcmk_err_node_unknown: return pcmk_rc_node_unknown;
case pcmk_err_already: return pcmk_rc_already;
case pcmk_err_bad_nvpair: return pcmk_rc_bad_nvpair;
case pcmk_err_unknown_format: return pcmk_rc_unknown_format;
case pcmk_err_generic: return pcmk_rc_error;
case pcmk_ok: return pcmk_rc_ok;
default: return legacy_rc; // system errno
}
}
// Exit status codes
const char *
crm_exit_name(crm_exit_t exit_code)
{
switch (exit_code) {
case CRM_EX_OK: return "CRM_EX_OK";
case CRM_EX_ERROR: return "CRM_EX_ERROR";
case CRM_EX_INVALID_PARAM: return "CRM_EX_INVALID_PARAM";
case CRM_EX_UNIMPLEMENT_FEATURE: return "CRM_EX_UNIMPLEMENT_FEATURE";
case CRM_EX_INSUFFICIENT_PRIV: return "CRM_EX_INSUFFICIENT_PRIV";
case CRM_EX_NOT_INSTALLED: return "CRM_EX_NOT_INSTALLED";
case CRM_EX_NOT_CONFIGURED: return "CRM_EX_NOT_CONFIGURED";
case CRM_EX_NOT_RUNNING: return "CRM_EX_NOT_RUNNING";
case CRM_EX_PROMOTED: return "CRM_EX_PROMOTED";
case CRM_EX_FAILED_PROMOTED: return "CRM_EX_FAILED_PROMOTED";
case CRM_EX_USAGE: return "CRM_EX_USAGE";
case CRM_EX_DATAERR: return "CRM_EX_DATAERR";
case CRM_EX_NOINPUT: return "CRM_EX_NOINPUT";
case CRM_EX_NOUSER: return "CRM_EX_NOUSER";
case CRM_EX_NOHOST: return "CRM_EX_NOHOST";
case CRM_EX_UNAVAILABLE: return "CRM_EX_UNAVAILABLE";
case CRM_EX_SOFTWARE: return "CRM_EX_SOFTWARE";
case CRM_EX_OSERR: return "CRM_EX_OSERR";
case CRM_EX_OSFILE: return "CRM_EX_OSFILE";
case CRM_EX_CANTCREAT: return "CRM_EX_CANTCREAT";
case CRM_EX_IOERR: return "CRM_EX_IOERR";
case CRM_EX_TEMPFAIL: return "CRM_EX_TEMPFAIL";
case CRM_EX_PROTOCOL: return "CRM_EX_PROTOCOL";
case CRM_EX_NOPERM: return "CRM_EX_NOPERM";
case CRM_EX_CONFIG: return "CRM_EX_CONFIG";
case CRM_EX_FATAL: return "CRM_EX_FATAL";
case CRM_EX_PANIC: return "CRM_EX_PANIC";
case CRM_EX_DISCONNECT: return "CRM_EX_DISCONNECT";
case CRM_EX_DIGEST: return "CRM_EX_DIGEST";
case CRM_EX_NOSUCH: return "CRM_EX_NOSUCH";
case CRM_EX_QUORUM: return "CRM_EX_QUORUM";
case CRM_EX_UNSAFE: return "CRM_EX_UNSAFE";
case CRM_EX_EXISTS: return "CRM_EX_EXISTS";
case CRM_EX_MULTIPLE: return "CRM_EX_MULTIPLE";
case CRM_EX_EXPIRED: return "CRM_EX_EXPIRED";
case CRM_EX_NOT_YET_IN_EFFECT: return "CRM_EX_NOT_YET_IN_EFFECT";
case CRM_EX_INDETERMINATE: return "CRM_EX_INDETERMINATE";
case CRM_EX_UNSATISFIED: return "CRM_EX_UNSATISFIED";
case CRM_EX_NO_DC: return "CRM_EX_NO_DC";
case CRM_EX_OLD: return "CRM_EX_OLD";
case CRM_EX_TIMEOUT: return "CRM_EX_TIMEOUT";
case CRM_EX_DEGRADED: return "CRM_EX_DEGRADED";
case CRM_EX_DEGRADED_PROMOTED: return "CRM_EX_DEGRADED_PROMOTED";
case CRM_EX_NONE: return "CRM_EX_NONE";
case CRM_EX_MAX: return "CRM_EX_UNKNOWN";
}
return "CRM_EX_UNKNOWN";
}
const char *
crm_exit_str(crm_exit_t exit_code)
{
switch (exit_code) {
case CRM_EX_OK: return "OK";
case CRM_EX_ERROR: return "Error occurred";
case CRM_EX_INVALID_PARAM: return "Invalid parameter";
case CRM_EX_UNIMPLEMENT_FEATURE: return "Unimplemented";
case CRM_EX_INSUFFICIENT_PRIV: return "Insufficient privileges";
case CRM_EX_NOT_INSTALLED: return "Not installed";
case CRM_EX_NOT_CONFIGURED: return "Not configured";
case CRM_EX_NOT_RUNNING: return "Not running";
case CRM_EX_PROMOTED: return "Promoted";
case CRM_EX_FAILED_PROMOTED: return "Failed in promoted role";
case CRM_EX_USAGE: return "Incorrect usage";
case CRM_EX_DATAERR: return "Invalid data given";
case CRM_EX_NOINPUT: return "Input file not available";
case CRM_EX_NOUSER: return "User does not exist";
case CRM_EX_NOHOST: return "Host does not exist";
case CRM_EX_UNAVAILABLE: return "Necessary service unavailable";
case CRM_EX_SOFTWARE: return "Internal software bug";
case CRM_EX_OSERR: return "Operating system error occurred";
case CRM_EX_OSFILE: return "System file not available";
case CRM_EX_CANTCREAT: return "Cannot create output file";
case CRM_EX_IOERR: return "I/O error occurred";
case CRM_EX_TEMPFAIL: return "Temporary failure, try again";
case CRM_EX_PROTOCOL: return "Protocol violated";
case CRM_EX_NOPERM: return "Insufficient privileges";
case CRM_EX_CONFIG: return "Invalid configuration";
case CRM_EX_FATAL: return "Fatal error occurred, will not respawn";
case CRM_EX_PANIC: return "System panic required";
case CRM_EX_DISCONNECT: return "Not connected";
case CRM_EX_DIGEST: return "Digest mismatch";
case CRM_EX_NOSUCH: return "No such object";
case CRM_EX_QUORUM: return "Quorum required";
case CRM_EX_UNSAFE: return "Operation not safe";
case CRM_EX_EXISTS: return "Requested item already exists";
case CRM_EX_MULTIPLE: return "Multiple items match request";
case CRM_EX_EXPIRED: return "Requested item has expired";
case CRM_EX_NOT_YET_IN_EFFECT: return "Requested item is not yet in effect";
case CRM_EX_INDETERMINATE: return "Could not determine status";
case CRM_EX_UNSATISFIED: return "Not applicable under current conditions";
case CRM_EX_NO_DC: return "DC is not yet elected";
case CRM_EX_OLD: return "Update was older than existing configuration";
case CRM_EX_TIMEOUT: return "Timeout occurred";
case CRM_EX_DEGRADED: return "Service is active but might fail soon";
case CRM_EX_DEGRADED_PROMOTED: return "Service is promoted but might fail soon";
case CRM_EX_NONE: return "No exit status available";
case CRM_EX_MAX: return "Error occurred";
}
if ((exit_code > 128) && (exit_code < CRM_EX_MAX)) {
return "Interrupted by signal";
}
return "Unknown exit status";
}
/*!
* \brief Map a function return code to the most similar exit code
*
* \param[in] rc Function return code
*
* \return Most similar exit code
*/
crm_exit_t
pcmk_rc2exitc(int rc)
{
switch (rc) {
case pcmk_rc_ok:
case pcmk_rc_no_output: // quiet mode, or nothing to output
return CRM_EX_OK;
case pcmk_rc_no_quorum:
return CRM_EX_QUORUM;
case pcmk_rc_old_data:
return CRM_EX_OLD;
case pcmk_rc_cib_corrupt:
case pcmk_rc_schema_validation:
case pcmk_rc_transform_failed:
case pcmk_rc_unpack_error:
return CRM_EX_CONFIG;
case pcmk_rc_bad_nvpair:
return CRM_EX_INVALID_PARAM;
case EACCES:
return CRM_EX_INSUFFICIENT_PRIV;
case EBADF:
case EINVAL:
case EFAULT:
case ENOSYS:
case EOVERFLOW:
case pcmk_rc_underflow:
case pcmk_rc_compression:
return CRM_EX_SOFTWARE;
case EBADMSG:
case EMSGSIZE:
case ENOMSG:
case ENOPROTOOPT:
case EPROTO:
case EPROTONOSUPPORT:
case EPROTOTYPE:
return CRM_EX_PROTOCOL;
case ECOMM:
case ENOMEM:
return CRM_EX_OSERR;
case ECONNABORTED:
case ECONNREFUSED:
case ECONNRESET:
case ENOTCONN:
return CRM_EX_DISCONNECT;
case EEXIST:
case pcmk_rc_already:
return CRM_EX_EXISTS;
case EIO:
case pcmk_rc_dot_error:
case pcmk_rc_graph_error:
return CRM_EX_IOERR;
case ENOTSUP:
#if EOPNOTSUPP != ENOTSUP
case EOPNOTSUPP:
#endif
return CRM_EX_UNIMPLEMENT_FEATURE;
case ENOTUNIQ:
case pcmk_rc_multiple:
return CRM_EX_MULTIPLE;
case ENODEV:
case ENOENT:
case ENXIO:
case pcmk_rc_no_transaction:
case pcmk_rc_unknown_format:
return CRM_EX_NOSUCH;
case pcmk_rc_node_unknown:
case pcmk_rc_ns_resolution:
return CRM_EX_NOHOST;
case ETIME:
case ETIMEDOUT:
return CRM_EX_TIMEOUT;
case EAGAIN:
case EBUSY:
return CRM_EX_UNSATISFIED;
case pcmk_rc_before_range:
return CRM_EX_NOT_YET_IN_EFFECT;
case pcmk_rc_after_range:
return CRM_EX_EXPIRED;
case pcmk_rc_undetermined:
return CRM_EX_INDETERMINATE;
case pcmk_rc_op_unsatisfied:
return CRM_EX_UNSATISFIED;
case pcmk_rc_within_range:
return CRM_EX_OK;
case pcmk_rc_no_input:
return CRM_EX_NOINPUT;
case pcmk_rc_duplicate_id:
return CRM_EX_MULTIPLE;
case pcmk_rc_bad_input:
case pcmk_rc_bad_xml_patch:
return CRM_EX_DATAERR;
case pcmk_rc_no_dc:
return CRM_EX_NO_DC;
default:
return CRM_EX_ERROR;
}
}
/*!
* \brief Map a function return code to the most similar OCF exit code
*
* \param[in] rc Function return code
*
* \return Most similar OCF exit code
*/
enum ocf_exitcode
pcmk_rc2ocf(int rc)
{
switch (rc) {
case pcmk_rc_ok:
return PCMK_OCF_OK;
case pcmk_rc_bad_nvpair:
return PCMK_OCF_INVALID_PARAM;
case EACCES:
return PCMK_OCF_INSUFFICIENT_PRIV;
case ENOTSUP:
#if EOPNOTSUPP != ENOTSUP
case EOPNOTSUPP:
#endif
return PCMK_OCF_UNIMPLEMENT_FEATURE;
default:
return PCMK_OCF_UNKNOWN_ERROR;
}
}
// Other functions
/*!
* \brief Map a getaddrinfo() return code to the most similar Pacemaker
* return code
*
* \param[in] gai getaddrinfo() return code
*
* \return Most similar Pacemaker return code
*/
int
pcmk__gaierror2rc(int gai)
{
switch (gai) {
case 0:
return pcmk_rc_ok;
case EAI_AGAIN:
return EAGAIN;
case EAI_BADFLAGS:
case EAI_SERVICE:
return EINVAL;
case EAI_FAMILY:
return EAFNOSUPPORT;
case EAI_MEMORY:
return ENOMEM;
case EAI_NONAME:
return pcmk_rc_node_unknown;
case EAI_SOCKTYPE:
return ESOCKTNOSUPPORT;
case EAI_SYSTEM:
return errno;
default:
return pcmk_rc_ns_resolution;
}
}
/*!
* \brief Map a bz2 return code to the most similar Pacemaker return code
*
* \param[in] bz2 bz2 return code
*
* \return Most similar Pacemaker return code
*/
int
pcmk__bzlib2rc(int bz2)
{
switch (bz2) {
case BZ_OK:
case BZ_RUN_OK:
case BZ_FLUSH_OK:
case BZ_FINISH_OK:
case BZ_STREAM_END:
return pcmk_rc_ok;
case BZ_MEM_ERROR:
return ENOMEM;
case BZ_DATA_ERROR:
case BZ_DATA_ERROR_MAGIC:
case BZ_UNEXPECTED_EOF:
return pcmk_rc_bad_input;
case BZ_IO_ERROR:
return EIO;
case BZ_OUTBUFF_FULL:
return EFBIG;
default:
return pcmk_rc_compression;
}
}
crm_exit_t
crm_exit(crm_exit_t exit_status)
{
/* A compiler could theoretically use any type for crm_exit_t, but an int
* should always hold it, so cast to int to keep static analysis happy.
*/
if ((((int) exit_status) < 0) || (((int) exit_status) > CRM_EX_MAX)) {
exit_status = CRM_EX_ERROR;
}
crm_info("Exiting %s " QB_XS " with status %d (%s: %s)",
pcmk__s(crm_system_name, "process"), exit_status,
crm_exit_name(exit_status), crm_exit_str(exit_status));
pcmk_common_cleanup();
exit(exit_status);
}
/*
* External action results
*/
/*!
* \internal
* \brief Set the result of an action
*
* \param[out] result Where to set action result
* \param[in] exit_status OCF exit status to set
* \param[in] exec_status Execution status to set
* \param[in] exit_reason Human-friendly description of event to set
*/
void
pcmk__set_result(pcmk__action_result_t *result, int exit_status,
enum pcmk_exec_status exec_status, const char *exit_reason)
{
if (result == NULL) {
return;
}
result->exit_status = exit_status;
result->execution_status = exec_status;
if (!pcmk__str_eq(result->exit_reason, exit_reason, pcmk__str_none)) {
free(result->exit_reason);
result->exit_reason = (exit_reason == NULL)? NULL : strdup(exit_reason);
}
}
/*!
* \internal
* \brief Set the result of an action, with a formatted exit reason
*
* \param[out] result Where to set action result
* \param[in] exit_status OCF exit status to set
* \param[in] exec_status Execution status to set
* \param[in] format printf-style format for a human-friendly
* description of reason for result
* \param[in] ... arguments for \p format
*/
G_GNUC_PRINTF(4, 5)
void
pcmk__format_result(pcmk__action_result_t *result, int exit_status,
enum pcmk_exec_status exec_status,
const char *format, ...)
{
va_list ap;
int len = 0;
char *reason = NULL;
if (result == NULL) {
return;
}
result->exit_status = exit_status;
result->execution_status = exec_status;
if (format != NULL) {
va_start(ap, format);
len = vasprintf(&reason, format, ap);
pcmk__assert(len > 0);
va_end(ap);
}
free(result->exit_reason);
result->exit_reason = reason;
}
/*!
* \internal
* \brief Set the output of an action
*
* \param[out] result Action result to set output for
* \param[in] out Action output to set (must be dynamically
* allocated)
* \param[in] err Action error output to set (must be dynamically
* allocated)
*
* \note \p result will take ownership of \p out and \p err, so the caller
* should not free them.
*/
void
pcmk__set_result_output(pcmk__action_result_t *result, char *out, char *err)
{
if (result == NULL) {
return;
}
free(result->action_stdout);
result->action_stdout = out;
free(result->action_stderr);
result->action_stderr = err;
}
/*!
* \internal
* \brief Clear a result's exit reason, output, and error output
*
* \param[in,out] result Result to reset
*/
void
pcmk__reset_result(pcmk__action_result_t *result)
{
if (result == NULL) {
return;
}
free(result->exit_reason);
result->exit_reason = NULL;
free(result->action_stdout);
result->action_stdout = NULL;
free(result->action_stderr);
result->action_stderr = NULL;
}
/*!
* \internal
* \brief Copy the result of an action
*
* \param[in] src Result to copy
* \param[out] dst Where to copy \p src to
*/
void
pcmk__copy_result(const pcmk__action_result_t *src, pcmk__action_result_t *dst)
{
CRM_CHECK((src != NULL) && (dst != NULL), return);
dst->exit_status = src->exit_status;
dst->execution_status = src->execution_status;
dst->exit_reason = pcmk__str_copy(src->exit_reason);
dst->action_stdout = pcmk__str_copy(src->action_stdout);
dst->action_stderr = pcmk__str_copy(src->action_stderr);
}
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