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March 5, 2016 03:07
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Golang read from systemd journal
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| package journal | |
| // #cgo pkg-config: --cflags --libs libsystemd-journal | |
| // #include <systemd/sd-journal.h> | |
| import ( | |
| "C" | |
| ) | |
| func New() (j *C.struct_sd_journal) { | |
| j = new(C.struct_sd_journal) | |
| C.sd_journal_open(&j, C.SD_JOURNAL_LOCAL_ONLY) | |
| j.SeekNext() | |
| return j | |
| } | |
| func (j *C.struct_sd_journal) Close() { | |
| C.sd_journal_close(j) | |
| } | |
| func (j *C.struct_sd_journal) SeekNext() (r int) { | |
| return int(C.sd_journal_next(j)) | |
| } | |
| func (j *C.struct_sd_journal) SeekPrev() (r int) { | |
| return int(C.sd_journal_previous(j)) | |
| } | |
| func (j *C.struct_sd_journal) SeekHead() (r int) { | |
| return int(C.sd_journal_seek_head(j)) | |
| } | |
| func (j *C.struct_sd_journal) SeekTail() (r int) { | |
| return int(C.sd_journal_seek_tail(j)) | |
| } | |
| func (j *C.struct_sd_journal) GetCursor() (scursor string) { | |
| var cursor *C.char | |
| C.sd_journal_get_cursor(j, &cursor) | |
| scursor = C.GoString(cursor) | |
| return | |
| } |
Hey @stuart-warren, do you know how to statically link a binary built from this code? I'm trying to get a static journald reader for CoreOS, which--incredibly--does not supply libsystemd-journal.
Thanks in advance.
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https://github.com/coreos/go-systemd/tree/master/sdjournal