diff options
Diffstat (limited to 'libnetdata/log/systemd-cat-native.c')
| -rw-r--r-- | libnetdata/log/systemd-cat-native.c | 820 |
1 files changed, 0 insertions, 820 deletions
diff --git a/libnetdata/log/systemd-cat-native.c b/libnetdata/log/systemd-cat-native.c deleted file mode 100644 index de6211cc0..000000000 --- a/libnetdata/log/systemd-cat-native.c +++ /dev/null @@ -1,820 +0,0 @@ -// SPDX-License-Identifier: GPL-3.0-or-later - -#include "systemd-cat-native.h" -#include "../required_dummies.h" - -#ifdef __FreeBSD__ -#include <sys/endian.h> -#endif - -#ifdef __APPLE__ -#include <machine/endian.h> -#endif - -static void log_message_to_stderr(BUFFER *msg) { - CLEAN_BUFFER *tmp = buffer_create(0, NULL); - - for(size_t i = 0; i < msg->len ;i++) { - if(isprint(msg->buffer[i])) - buffer_putc(tmp, msg->buffer[i]); - else { - buffer_putc(tmp, '['); - buffer_print_uint64_hex(tmp, msg->buffer[i]); - buffer_putc(tmp, ']'); - } - } - - fprintf(stderr, "SENDING: %s\n", buffer_tostring(tmp)); -} - -static inline buffered_reader_ret_t get_next_line(struct buffered_reader *reader, BUFFER *line, int timeout_ms) { - while(true) { - if(unlikely(!buffered_reader_next_line(reader, line))) { - buffered_reader_ret_t ret = buffered_reader_read_timeout(reader, STDIN_FILENO, timeout_ms, false); - if(unlikely(ret != BUFFERED_READER_READ_OK)) - return ret; - - continue; - } - else { - // make sure the buffer is NULL terminated - line->buffer[line->len] = '\0'; - - // remove the trailing newlines - while(line->len && line->buffer[line->len - 1] == '\n') - line->buffer[--line->len] = '\0'; - - return BUFFERED_READER_READ_OK; - } - } -} - -static inline size_t copy_replacing_newlines(char *dst, size_t dst_len, const char *src, size_t src_len, const char *newline) { - if (!dst || !src) return 0; - - const char *current_src = src; - const char *src_end = src + src_len; // Pointer to the end of src - char *current_dst = dst; - size_t remaining_dst_len = dst_len; - size_t newline_len = newline && *newline ? strlen(newline) : 0; - - size_t bytes_copied = 0; // To track the number of bytes copied - - while (remaining_dst_len > 1 && current_src < src_end) { - if (newline_len > 0) { - const char *found = strstr(current_src, newline); - if (found && found < src_end) { - size_t copy_len = found - current_src; - if (copy_len >= remaining_dst_len) copy_len = remaining_dst_len - 1; - - memcpy(current_dst, current_src, copy_len); - current_dst += copy_len; - *current_dst++ = '\n'; - remaining_dst_len -= (copy_len + 1); - bytes_copied += copy_len + 1; // +1 for the newline character - current_src = found + newline_len; - continue; - } - } - - // Copy the remaining part of src to dst - size_t copy_len = src_end - current_src; - if (copy_len >= remaining_dst_len) copy_len = remaining_dst_len - 1; - - memcpy(current_dst, current_src, copy_len); - current_dst += copy_len; - remaining_dst_len -= copy_len; - bytes_copied += copy_len; - break; - } - - // Ensure the string is null-terminated - *current_dst = '\0'; - - return bytes_copied; -} - -static inline void buffer_memcat_replacing_newlines(BUFFER *wb, const char *src, size_t src_len, const char *newline) { - if(!src) return; - - const char *equal; - if(!newline || !*newline || !strstr(src, newline) || !(equal = strchr(src, '='))) { - buffer_memcat(wb, src, src_len); - buffer_putc(wb, '\n'); - return; - } - - size_t key_len = equal - src; - buffer_memcat(wb, src, key_len); - buffer_putc(wb, '\n'); - - char *length_ptr = &wb->buffer[wb->len]; - uint64_t le_size = 0; - buffer_memcat(wb, &le_size, sizeof(le_size)); - - const char *value = ++equal; - size_t value_len = src_len - key_len - 1; - buffer_need_bytes(wb, value_len + 1); - size_t size = copy_replacing_newlines(&wb->buffer[wb->len], value_len + 1, value, value_len, newline); - wb->len += size; - buffer_putc(wb, '\n'); - - le_size = htole64(size); - memcpy(length_ptr, &le_size, sizeof(le_size)); -} - -// ---------------------------------------------------------------------------- -// log to a systemd-journal-remote - -#ifdef HAVE_CURL -#include <curl/curl.h> - -#ifndef HOST_NAME_MAX -#define HOST_NAME_MAX 256 -#endif - -char global_hostname[HOST_NAME_MAX] = ""; -char global_boot_id[UUID_COMPACT_STR_LEN] = ""; -char global_machine_id[UUID_COMPACT_STR_LEN] = ""; -char global_stream_id[UUID_COMPACT_STR_LEN] = ""; -char global_namespace[1024] = ""; -char global_systemd_invocation_id[1024] = ""; -#define BOOT_ID_PATH "/proc/sys/kernel/random/boot_id" -#define MACHINE_ID_PATH "/etc/machine-id" - -#define DEFAULT_PRIVATE_KEY "/etc/ssl/private/journal-upload.pem" -#define DEFAULT_PUBLIC_KEY "/etc/ssl/certs/journal-upload.pem" -#define DEFAULT_CA_CERT "/etc/ssl/ca/trusted.pem" - -struct upload_data { - char *data; - size_t length; -}; - -static size_t systemd_journal_remote_read_callback(void *ptr, size_t size, size_t nmemb, void *userp) { - struct upload_data *upload = (struct upload_data *)userp; - size_t buffer_size = size * nmemb; - - if (upload->length) { - size_t copy_size = upload->length < buffer_size ? upload->length : buffer_size; - memcpy(ptr, upload->data, copy_size); - upload->data += copy_size; - upload->length -= copy_size; - return copy_size; - } - - return 0; -} - -CURL* initialize_connection_to_systemd_journal_remote(const char* url, const char* private_key, const char* public_key, const char* ca_cert, struct curl_slist **headers) { - CURL *curl = curl_easy_init(); - if (!curl) { - fprintf(stderr, "Failed to initialize curl\n"); - return NULL; - } - - *headers = curl_slist_append(*headers, "Content-Type: application/vnd.fdo.journal"); - *headers = curl_slist_append(*headers, "Transfer-Encoding: chunked"); - curl_easy_setopt(curl, CURLOPT_HTTPHEADER, *headers); - curl_easy_setopt(curl, CURLOPT_URL, url); - curl_easy_setopt(curl, CURLOPT_POST, 1L); - curl_easy_setopt(curl, CURLOPT_READFUNCTION, systemd_journal_remote_read_callback); - - if (strncmp(url, "https://", 8) == 0) { - if (private_key) curl_easy_setopt(curl, CURLOPT_SSLKEY, private_key); - if (public_key) curl_easy_setopt(curl, CURLOPT_SSLCERT, public_key); - - if (strcmp(ca_cert, "all") != 0) { - curl_easy_setopt(curl, CURLOPT_CAINFO, ca_cert); - } else { - curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L); - } - } - // curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L); // Remove for less verbose output - - return curl; -} - -static void journal_remote_complete_event(BUFFER *msg, usec_t *monotonic_ut) { - usec_t ut = now_monotonic_usec(); - - if(monotonic_ut) - *monotonic_ut = ut; - - buffer_sprintf(msg, - "" - "__REALTIME_TIMESTAMP=%llu\n" - "__MONOTONIC_TIMESTAMP=%llu\n" - "_MACHINE_ID=%s\n" - "_BOOT_ID=%s\n" - "_HOSTNAME=%s\n" - "_TRANSPORT=stdout\n" - "_LINE_BREAK=nul\n" - "_STREAM_ID=%s\n" - "_RUNTIME_SCOPE=system\n" - "%s%s\n" - , now_realtime_usec() - , ut - , global_machine_id - , global_boot_id - , global_hostname - , global_stream_id - , global_namespace - , global_systemd_invocation_id - ); -} - -static CURLcode journal_remote_send_buffer(CURL* curl, BUFFER *msg) { - - // log_message_to_stderr(msg); - - struct upload_data upload = {0}; - - if (!curl || !buffer_strlen(msg)) - return CURLE_FAILED_INIT; - - upload.data = (char *) buffer_tostring(msg); - upload.length = buffer_strlen(msg); - - curl_easy_setopt(curl, CURLOPT_READDATA, &upload); - curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE, (curl_off_t)upload.length); - - return curl_easy_perform(curl); -} - -typedef enum { - LOG_TO_JOURNAL_REMOTE_BAD_PARAMS = -1, - LOG_TO_JOURNAL_REMOTE_CANNOT_INITIALIZE = -2, - LOG_TO_JOURNAL_REMOTE_CANNOT_SEND = -3, - LOG_TO_JOURNAL_REMOTE_CANNOT_READ = -4, -} log_to_journal_remote_ret_t; - -static log_to_journal_remote_ret_t log_input_to_journal_remote(const char *url, const char *key, const char *cert, const char *trust, const char *newline, int timeout_ms) { - if(!url || !*url) { - fprintf(stderr, "No URL is given.\n"); - return LOG_TO_JOURNAL_REMOTE_BAD_PARAMS; - } - - if(timeout_ms < 10) - timeout_ms = 10; - - global_boot_id[0] = '\0'; - char buffer[1024]; - if(read_file(BOOT_ID_PATH, buffer, sizeof(buffer)) == 0) { - uuid_t uuid; - if(uuid_parse_flexi(buffer, uuid) == 0) - uuid_unparse_lower_compact(uuid, global_boot_id); - else - fprintf(stderr, "WARNING: cannot parse the UUID found in '%s'.\n", BOOT_ID_PATH); - } - - if(global_boot_id[0] == '\0') { - fprintf(stderr, "WARNING: cannot read '%s'. Will generate a random _BOOT_ID.\n", BOOT_ID_PATH); - uuid_t uuid; - uuid_generate_random(uuid); - uuid_unparse_lower_compact(uuid, global_boot_id); - } - - if(read_file(MACHINE_ID_PATH, buffer, sizeof(buffer)) == 0) { - uuid_t uuid; - if(uuid_parse_flexi(buffer, uuid) == 0) - uuid_unparse_lower_compact(uuid, global_machine_id); - else - fprintf(stderr, "WARNING: cannot parse the UUID found in '%s'.\n", MACHINE_ID_PATH); - } - - if(global_machine_id[0] == '\0') { - fprintf(stderr, "WARNING: cannot read '%s'. Will generate a random _MACHINE_ID.\n", MACHINE_ID_PATH); - uuid_t uuid; - uuid_generate_random(uuid); - uuid_unparse_lower_compact(uuid, global_boot_id); - } - - if(global_stream_id[0] == '\0') { - uuid_t uuid; - uuid_generate_random(uuid); - uuid_unparse_lower_compact(uuid, global_stream_id); - } - - if(global_hostname[0] == '\0') { - if(gethostname(global_hostname, sizeof(global_hostname)) != 0) { - fprintf(stderr, "WARNING: cannot get system's hostname. Will use internal default.\n"); - snprintfz(global_hostname, sizeof(global_hostname), "systemd-cat-native-unknown-hostname"); - } - } - - if(global_systemd_invocation_id[0] == '\0' && getenv("INVOCATION_ID")) - snprintfz(global_systemd_invocation_id, sizeof(global_systemd_invocation_id), "_SYSTEMD_INVOCATION_ID=%s\n", getenv("INVOCATION_ID")); - - if(!key) - key = DEFAULT_PRIVATE_KEY; - - if(!cert) - cert = DEFAULT_PUBLIC_KEY; - - if(!trust) - trust = DEFAULT_CA_CERT; - - char full_url[4096]; - snprintfz(full_url, sizeof(full_url), "%s/upload", url); - - CURL *curl; - CURLcode res = CURLE_OK; - struct curl_slist *headers = NULL; - - curl_global_init(CURL_GLOBAL_ALL); - curl = initialize_connection_to_systemd_journal_remote(full_url, key, cert, trust, &headers); - - if(!curl) - return LOG_TO_JOURNAL_REMOTE_CANNOT_INITIALIZE; - - struct buffered_reader reader; - buffered_reader_init(&reader); - CLEAN_BUFFER *line = buffer_create(sizeof(reader.read_buffer), NULL); - CLEAN_BUFFER *msg = buffer_create(sizeof(reader.read_buffer), NULL); - - size_t msg_full_events = 0; - size_t msg_partial_fields = 0; - usec_t msg_started_ut = 0; - size_t failures = 0; - size_t messages_logged = 0; - - log_to_journal_remote_ret_t ret = 0; - - while(true) { - buffered_reader_ret_t rc = get_next_line(&reader, line, timeout_ms); - if(rc == BUFFERED_READER_READ_POLL_TIMEOUT) { - if(msg_full_events && !msg_partial_fields) { - res = journal_remote_send_buffer(curl, msg); - if(res != CURLE_OK) { - fprintf(stderr, "journal_remote_send_buffer() failed: %s\n", curl_easy_strerror(res)); - failures++; - ret = LOG_TO_JOURNAL_REMOTE_CANNOT_SEND; - goto cleanup; - } - else - messages_logged++; - - msg_full_events = 0; - buffer_flush(msg); - } - } - else if(rc == BUFFERED_READER_READ_OK) { - if(!line->len) { - // an empty line - we are done for this message - if(msg_partial_fields) { - msg_partial_fields = 0; - - usec_t ut; - journal_remote_complete_event(msg, &ut); - if(!msg_full_events) - msg_started_ut = ut; - - msg_full_events++; - - if(ut - msg_started_ut >= USEC_PER_SEC / 2) { - res = journal_remote_send_buffer(curl, msg); - if(res != CURLE_OK) { - fprintf(stderr, "journal_remote_send_buffer() failed: %s\n", curl_easy_strerror(res)); - failures++; - ret = LOG_TO_JOURNAL_REMOTE_CANNOT_SEND; - goto cleanup; - } - else - messages_logged++; - - msg_full_events = 0; - buffer_flush(msg); - } - } - } - else { - buffer_memcat_replacing_newlines(msg, line->buffer, line->len, newline); - msg_partial_fields++; - } - - buffer_flush(line); - } - else { - fprintf(stderr, "cannot read input data, failed with code %d\n", rc); - ret = LOG_TO_JOURNAL_REMOTE_CANNOT_READ; - break; - } - } - - if (msg_full_events || msg_partial_fields) { - if(msg_partial_fields) { - msg_partial_fields = 0; - msg_full_events++; - journal_remote_complete_event(msg, NULL); - } - - if(msg_full_events) { - res = journal_remote_send_buffer(curl, msg); - if(res != CURLE_OK) { - fprintf(stderr, "journal_remote_send_buffer() failed: %s\n", curl_easy_strerror(res)); - failures++; - } - else - messages_logged++; - - msg_full_events = 0; - buffer_flush(msg); - } - } - -cleanup: - curl_easy_cleanup(curl); - curl_slist_free_all(headers); - curl_global_cleanup(); - - return ret; -} - -#endif - -static int help(void) { - fprintf(stderr, - "\n" - "Netdata systemd-cat-native " PACKAGE_VERSION "\n" - "\n" - "This program reads from its standard input, lines in the format:\n" - "\n" - "KEY1=VALUE1\\n\n" - "KEY2=VALUE2\\n\n" - "KEYN=VALUEN\\n\n" - "\\n\n" - "\n" - "and sends them to systemd-journal.\n" - "\n" - " - Binary journal fields are not accepted at its input\n" - " - Binary journal fields can be generated after newline processing\n" - " - Messages have to be separated by an empty line\n" - " - Keys starting with underscore are not accepted (by journald)\n" - " - Other rules imposed by systemd-journald are imposed (by journald)\n" - "\n" - "Usage:\n" - "\n" - " %s\n" - " [--newline=STRING]\n" - " [--log-as-netdata|-N]\n" - " [--namespace=NAMESPACE] [--socket=PATH]\n" -#ifdef HAVE_CURL - " [--url=URL [--key=FILENAME] [--cert=FILENAME] [--trust=FILENAME|all]]\n" -#endif - "\n" - "The program has the following modes of logging:\n" - "\n" - " * Log to a local systemd-journald or stderr\n" - "\n" - " This is the default mode. If systemd-journald is available, logs will be\n" - " sent to systemd, otherwise logs will be printed on stderr, using logfmt\n" - " formatting. Options --socket and --namespace are available to configure\n" - " the journal destination:\n" - "\n" - " --socket=PATH\n" - " The path of a systemd-journald UNIX socket.\n" - " The program will use the default systemd-journald socket when this\n" - " option is not used.\n" - "\n" - " --namespace=NAMESPACE\n" - " The name of a configured and running systemd-journald namespace.\n" - " The program will produce the socket path based on its internal\n" - " defaults, to send the messages to the systemd journal namespace.\n" - "\n" - " * Log as Netdata, enabled with --log-as-netdata or -N\n" - "\n" - " In this mode the program uses environment variables set by Netdata for\n" - " the log destination. Only log fields defined by Netdata are accepted.\n" - " If the environment variables expected by Netdata are not found, it\n" - " falls back to stderr logging in logfmt format.\n" -#ifdef HAVE_CURL - "\n" - " * Log to a systemd-journal-remote TCP socket, enabled with --url=URL\n" - "\n" - " In this mode, the program will directly sent logs to a remote systemd\n" - " journal (systemd-journal-remote expected at the destination)\n" - " This mode is available even when the local system does not support\n" - " systemd, or even it is not Linux, allowing a remote Linux systemd\n" - " journald to become the logs database of the local system.\n" - "\n" - " Unfortunately systemd-journal-remote does not accept compressed\n" - " data over the network, so the stream will be uncompressed.\n" - "\n" - " --url=URL\n" - " The destination systemd-journal-remote address and port, similarly\n" - " to what /etc/systemd/journal-upload.conf accepts.\n" - " Usually it is in the form: https://ip.address:19532\n" - " Both http and https URLs are accepted. When using https, the\n" - " following additional options are accepted:\n" - "\n" - " --key=FILENAME\n" - " The filename of the private key of the server.\n" - " The default is: " DEFAULT_PRIVATE_KEY "\n" - "\n" - " --cert=FILENAME\n" - " The filename of the public key of the server.\n" - " The default is: " DEFAULT_PUBLIC_KEY "\n" - "\n" - " --trust=FILENAME | all\n" - " The filename of the trusted CA public key.\n" - " The default is: " DEFAULT_CA_CERT "\n" - " The keyword 'all' can be used to trust all CAs.\n" - "\n" - " --namespace=NAMESPACE\n" - " Set the namespace of the messages sent.\n" - "\n" - " --keep-trying\n" - " Keep trying to send the message, if the remote journal is not there.\n" -#endif - "\n" - " NEWLINES PROCESSING\n" - " systemd-journal logs entries may have newlines in them. However the\n" - " Journal Export Format uses binary formatted data to achieve this,\n" - " making it hard for text processing.\n" - "\n" - " To overcome this limitation, this program allows single-line text\n" - " formatted values at its input, to be binary formatted multi-line Journal\n" - " Export Format at its output.\n" - "\n" - " To achieve that it allows replacing a given string to a newline.\n" - " The parameter --newline=STRING allows setting the string to be replaced\n" - " with newlines.\n" - "\n" - " For example by setting --newline='--NEWLINE--', the program will replace\n" - " all occurrences of --NEWLINE-- with the newline character, within each\n" - " VALUE of the KEY=VALUE lines. Once this this done, the program will\n" - " switch the field to the binary Journal Export Format before sending the\n" - " log event to systemd-journal.\n" - "\n", - program_name); - - return 1; -} - -// ---------------------------------------------------------------------------- -// log as Netdata - -static void lgs_reset(struct log_stack_entry *lgs) { - for(size_t i = 1; i < _NDF_MAX ;i++) { - if(lgs[i].type == NDFT_TXT && lgs[i].set && lgs[i].txt) - freez((void *)lgs[i].txt); - - lgs[i] = ND_LOG_FIELD_TXT(i, NULL); - } - - lgs[0] = ND_LOG_FIELD_TXT(NDF_MESSAGE, NULL); - lgs[_NDF_MAX] = ND_LOG_FIELD_END(); -} - -static const char *strdupz_replacing_newlines(const char *src, const char *newline) { - if(!src) src = ""; - - size_t src_len = strlen(src); - char *buffer = mallocz(src_len + 1); - copy_replacing_newlines(buffer, src_len + 1, src, src_len, newline); - return buffer; -} - -static int log_input_as_netdata(const char *newline, int timeout_ms) { - struct buffered_reader reader; - buffered_reader_init(&reader); - CLEAN_BUFFER *line = buffer_create(sizeof(reader.read_buffer), NULL); - - ND_LOG_STACK lgs[_NDF_MAX + 1] = { 0 }; - ND_LOG_STACK_PUSH(lgs); - lgs_reset(lgs); - - size_t fields_added = 0; - size_t messages_logged = 0; - ND_LOG_FIELD_PRIORITY priority = NDLP_INFO; - - while(get_next_line(&reader, line, timeout_ms) == BUFFERED_READER_READ_OK) { - if(!line->len) { - // an empty line - we are done for this message - - nd_log(NDLS_HEALTH, priority, - "added %d fields", // if the user supplied a MESSAGE, this will be ignored - fields_added); - - lgs_reset(lgs); - fields_added = 0; - messages_logged++; - } - else { - char *equal = strchr(line->buffer, '='); - if(equal) { - const char *field = line->buffer; - size_t field_len = equal - line->buffer; - ND_LOG_FIELD_ID id = nd_log_field_id_by_name(field, field_len); - if(id != NDF_STOP) { - const char *value = ++equal; - - if(lgs[id].txt) - freez((void *) lgs[id].txt); - - lgs[id].txt = strdupz_replacing_newlines(value, newline); - lgs[id].set = true; - - fields_added++; - - if(id == NDF_PRIORITY) - priority = nd_log_priority2id(value); - } - else { - struct log_stack_entry backup = lgs[NDF_MESSAGE]; - lgs[NDF_MESSAGE] = ND_LOG_FIELD_TXT(NDF_MESSAGE, NULL); - - nd_log(NDLS_COLLECTORS, NDLP_ERR, - "Field '%.*s' is not a Netdata field. Ignoring it.", - field_len, field); - - lgs[NDF_MESSAGE] = backup; - } - } - else { - struct log_stack_entry backup = lgs[NDF_MESSAGE]; - lgs[NDF_MESSAGE] = ND_LOG_FIELD_TXT(NDF_MESSAGE, NULL); - - nd_log(NDLS_COLLECTORS, NDLP_ERR, - "Line does not contain an = sign; ignoring it: %s", - line->buffer); - - lgs[NDF_MESSAGE] = backup; - } - } - - buffer_flush(line); - } - - if(fields_added) { - nd_log(NDLS_HEALTH, priority, "added %d fields", fields_added); - messages_logged++; - } - - return messages_logged ? 0 : 1; -} - -// ---------------------------------------------------------------------------- -// log to a local systemd-journald - -static bool journal_local_send_buffer(int fd, BUFFER *msg) { - // log_message_to_stderr(msg); - - bool ret = journal_direct_send(fd, msg->buffer, msg->len); - if (!ret) - fprintf(stderr, "Cannot send message to systemd journal.\n"); - - return ret; -} - -static int log_input_to_journal(const char *socket, const char *namespace, const char *newline, int timeout_ms) { - char path[FILENAME_MAX + 1]; - int fd = -1; - - if(socket) - snprintfz(path, sizeof(path), "%s", socket); - else - journal_construct_path(path, sizeof(path), NULL, namespace); - - fd = journal_direct_fd(path); - if (fd == -1) { - fprintf(stderr, "Cannot open '%s' as a UNIX socket (errno = %d)\n", - path, errno); - return 1; - } - - struct buffered_reader reader; - buffered_reader_init(&reader); - CLEAN_BUFFER *line = buffer_create(sizeof(reader.read_buffer), NULL); - CLEAN_BUFFER *msg = buffer_create(sizeof(reader.read_buffer), NULL); - - size_t messages_logged = 0; - size_t failed_messages = 0; - - while(get_next_line(&reader, line, timeout_ms) == BUFFERED_READER_READ_OK) { - if (!line->len) { - // an empty line - we are done for this message - if (msg->len) { - if(journal_local_send_buffer(fd, msg)) - messages_logged++; - else { - failed_messages++; - goto cleanup; - } - } - - buffer_flush(msg); - } - else - buffer_memcat_replacing_newlines(msg, line->buffer, line->len, newline); - - buffer_flush(line); - } - - if (msg && msg->len) { - if(journal_local_send_buffer(fd, msg)) - messages_logged++; - else - failed_messages++; - } - -cleanup: - return !failed_messages && messages_logged ? 0 : 1; -} - -int main(int argc, char *argv[]) { - clocks_init(); - nd_log_initialize_for_external_plugins(argv[0]); - - int timeout_ms = -1; // wait forever - bool log_as_netdata = false; - const char *newline = NULL; - const char *namespace = NULL; - const char *socket = getenv("NETDATA_SYSTEMD_JOURNAL_PATH"); -#ifdef HAVE_CURL - const char *url = NULL; - const char *key = NULL; - const char *cert = NULL; - const char *trust = NULL; - bool keep_trying = false; -#endif - - for(int i = 1; i < argc ;i++) { - const char *k = argv[i]; - - if(strcmp(k, "--help") == 0 || strcmp(k, "-h") == 0) - return help(); - - else if(strcmp(k, "--log-as-netdata") == 0 || strcmp(k, "-N") == 0) - log_as_netdata = true; - - else if(strncmp(k, "--namespace=", 12) == 0) - namespace = &k[12]; - - else if(strncmp(k, "--socket=", 9) == 0) - socket = &k[9]; - - else if(strncmp(k, "--newline=", 10) == 0) - newline = &k[10]; - -#ifdef HAVE_CURL - else if (strncmp(k, "--url=", 6) == 0) - url = &k[6]; - - else if (strncmp(k, "--key=", 6) == 0) - key = &k[6]; - - else if (strncmp(k, "--cert=", 7) == 0) - cert = &k[7]; - - else if (strncmp(k, "--trust=", 8) == 0) - trust = &k[8]; - - else if (strcmp(k, "--keep-trying") == 0) - keep_trying = true; -#endif - else { - fprintf(stderr, "Unknown parameter '%s'\n", k); - return 1; - } - } - -#ifdef HAVE_CURL - if(log_as_netdata && url) { - fprintf(stderr, "Cannot log to a systemd-journal-remote URL as Netdata. " - "Please either give --url or --log-as-netdata, not both.\n"); - return 1; - } - - if(socket && url) { - fprintf(stderr, "Cannot log to a systemd-journal-remote URL using a UNIX socket. " - "Please either give --url or --socket, not both.\n"); - return 1; - } - -#endif - - if(log_as_netdata && namespace) { - fprintf(stderr, "Cannot log as netdata using a namespace. " - "Please either give --log-as-netdata or --namespace, not both.\n"); - return 1; - } - - if(log_as_netdata) - return log_input_as_netdata(newline, timeout_ms); - -#ifdef HAVE_CURL - if(url) { - if(url && namespace && *namespace) - snprintfz(global_namespace, sizeof(global_namespace), "_NAMESPACE=%s\n", namespace); - - log_to_journal_remote_ret_t rc; - do { - rc = log_input_to_journal_remote(url, key, cert, trust, newline, timeout_ms); - } while(keep_trying && rc == LOG_TO_JOURNAL_REMOTE_CANNOT_SEND); - } -#endif - - return log_input_to_journal(socket, namespace, newline, timeout_ms); -} |