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ver 1.4.0 connect local host? #1347
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please provide more details config
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By the way, official docker image (nabo.codimd.dev/hackmdio/hackmd:1.4.0) will check the connectivity of CMD_DB_URL, It seems your CMD_DB_URL is incorrect |
Hi @a60814billy
I have used hackmdio/hackmd:1.4.0.
The item was set correctly, and it worked fine with the 1.3 series.
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I got also bit by this issue. Just like @pyama86, this regressed in version Sequelize still resolves correctly, but it seems that there is something going with the host resolving in the In my case, I have the database at
However, when I resolve the host from inside the container, I get a different IP address:
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portchecker not working properly caused by golang not correct use /etc/host in docker container, we will fix it in 1.4.1 |
Hi @dsprenkels and @pyama86, This has been tested in the Docker CE 1.13, 17 on Debian Jessie, below is the
Also, this has been tested in Kubernetes on GCP of version 1.12, config file as follows:
But all of above seems fine to me, it all can resolve the DB connection and the port checker (pchecker) is working. Could you let me know what's your environment like the OS, k8s, docker versions and your config file? We're trying hard to reproduce this condition and to lure down this issue carefully. Thank you! |
I am not completely sure what kind of info would be helpful, as the docker-container itself sure is identical to yours (except for the patch that disables I myself use docker-compose with docker, to spin up a bunch of different containers that run my webservices, of which CodiMD is one. They are all behind a single nginx reverse-proxy. My Then there's a bunch of info that may be of use to you. An important detail could be that the container has 2 external network interfaces (one that has the nginx container and one that has the database container). Host
Container
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I think I may have a clue. I `strace` output``` md_db:5432/hackmdc:/home/hackmd/app# strace pcheck -constr postgres://hackmd@codim execve("/usr/local/bin/pcheck", ["pcheck", "-constr", "postgres://hackmd@codimd_db:5432"...], [/* 32 vars */]) = 0 arch_prctl(ARCH_SET_FS, 0x645950) = 0 sched_getaffinity(0, 8192, {3, 0, 0, 0, 0, 0, 0, 0}) = 64 mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f12407b8000 mmap(0xc000000000, 67108864, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xc000000000 mmap(0xc000000000, 67108864, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xc000000000 mmap(NULL, 33554432, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f123e7b8000 mmap(NULL, 2164736, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f123e5a7000 mmap(NULL, 65536, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f123e597000 clock_gettime(CLOCK_MONOTONIC, {7290960, 737130545}) = 0 mmap(NULL, 65536, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f123e587000 clock_gettime(CLOCK_MONOTONIC, {7290960, 737342223}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 737399740}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 737454618}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 737498804}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 737562801}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 737636045}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 737685402}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 737730468}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 737774911}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 737814732}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 737880230}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 737925969}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 737973626}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 738015653}) = 0 rt_sigprocmask(SIG_SETMASK, NULL, [], 8) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 738254308}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 738301400}) = 0 sigaltstack(NULL, {ss_sp=0, ss_flags=SS_DISABLE, ss_size=0}) = 0 sigaltstack({ss_sp=0xc000002000, ss_flags=0, ss_size=32768}, NULL) = 0 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 gettid() = 338 rt_sigaction(SIGHUP, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGHUP, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGINT, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGINT, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGQUIT, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGQUIT, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGILL, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGILL, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGTRAP, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGTRAP, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGABRT, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGABRT, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGBUS, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGBUS, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGFPE, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGFPE, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGUSR1, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGUSR1, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGSEGV, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGUSR2, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGUSR2, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGPIPE, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGPIPE, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGALRM, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGALRM, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGTERM, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGTERM, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGSTKFLT, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGSTKFLT, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGCHLD, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGCHLD, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGURG, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGURG, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGXCPU, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGXCPU, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGXFSZ, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGXFSZ, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGVTALRM, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGVTALRM, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGPROF, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGPROF, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGWINCH, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGWINCH, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGIO, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGIO, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGPWR, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGPWR, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGSYS, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGSYS, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRTMIN, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_1, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_2, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_2, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_3, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_3, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_4, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_4, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_5, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_5, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_6, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_6, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_7, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_7, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_8, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_8, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_9, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_9, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_10, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_10, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_11, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_11, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_12, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_12, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_13, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_13, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_14, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_14, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_15, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_15, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_16, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_16, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_17, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_17, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_18, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_18, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_19, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_19, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_20, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_20, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_21, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_21, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_22, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_22, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_23, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_23, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_24, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_24, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_25, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_25, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_26, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_26, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_27, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_27, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_28, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_28, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_29, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_29, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_30, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_30, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_31, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_31, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigaction(SIGRT_32, NULL, {SIG_DFL, [], 0}, 8) = 0 rt_sigaction(SIGRT_32, {0x4577c0, ~[], SA_RESTORER|SA_STACK|SA_RESTART|SA_SIGINFO, 0x4578f0}, NULL, 8) = 0 rt_sigprocmask(SIG_SETMASK, ~[], [], 8) = 0 clone(child_stack=0xc000046000, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM) = 339 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 rt_sigprocmask(SIG_SETMASK, ~[], [], 8) = 0 clone(child_stack=0xc000048000, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM) = 340 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 744744403}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 744800435}) = 0 rt_sigprocmask(SIG_SETMASK, ~[], [], 8) = 0 clone(child_stack=0xc000042000, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM) = 341 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 futex(0xc000036848, FUTEX_WAKE_PRIVATE, 1) = 1 futex(0xc0000364c8, FUTEX_WAKE_PRIVATE, 1) = 1 clock_gettime(CLOCK_MONOTONIC, {7290960, 745451781}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/usr/local/bin/pcheck", 128) = 21 fcntl(0, F_GETFL) = 0x8002 (flags O_RDWR|O_LARGEFILE) futex(0xc000036848, FUTEX_WAKE_PRIVATE, 1) = 1 mmap(NULL, 262144, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f123e547000 fcntl(1, F_GETFL) = 0x8002 (flags O_RDWR|O_LARGEFILE) fcntl(2, F_GETFL) = 0x8002 (flags O_RDWR|O_LARGEFILE) mmap(NULL, 1439992, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f123e3e7000 clock_gettime(CLOCK_REALTIME, {1574891506, 583382377}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 746625066}) = 0 futex(0xc000036848, FUTEX_WAKE_PRIVATE, 1) = 1 openat(AT_FDCWD, "/etc/nsswitch.conf", O_RDONLY|O_CLOEXEC) = 3 epoll_create1(EPOLL_CLOEXEC) = 4 epoll_ctl(4, EPOLL_CTL_ADD, 3, {EPOLLIN|EPOLLOUT|EPOLLRDHUP|EPOLLET, {u32=1045758008, u64=139716331896888}}) = -1 EPERM (Operation not permitted) epoll_ctl(4, EPOLL_CTL_DEL, 3, c00007c9fc) = -1 EPERM (Operation not permitted) read(3, "# /etc/nsswitch.conf\n#\n# Example"..., 1024) = 497 read(3, "", 1024) = 0 close(3) = 0 openat(AT_FDCWD, "/etc/resolv.conf", O_RDONLY|O_CLOEXEC) = 3 epoll_ctl(4, EPOLL_CTL_ADD, 3, {EPOLLIN|EPOLLOUT|EPOLLRDHUP|EPOLLET, {u32=1045758008, u64=139716331896888}}) = -1 EPERM (Operation not permitted) epoll_ctl(4, EPOLL_CTL_DEL, 3, c00007c8cc) = -1 EPERM (Operation not permitted) fstat(3, {st_mode=S_IFREG|0644, st_size=38, ...}) = 0 read(3, "nameserver 127.0.0.11\noptions nd"..., 65536) = 38 read(3, "", 65498) = 0 read(3, "", 65536) = 0 uname({sys="Linux", node="f5df4b8f969c", ...}) = 0 close(3) = 0 newfstatat(AT_FDCWD, "/etc/mdns.allow", 0xc00006cc68, 0) = -1 ENOENT (No such file or directory) clock_gettime(CLOCK_REALTIME, {1574891506, 585226733}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 748430382}) = 0 newfstatat(AT_FDCWD, "/etc/hosts", {st_mode=S_IFREG|0644, st_size=200, ...}, 0) = 0 openat(AT_FDCWD, "/etc/hosts", O_RDONLY|O_CLOEXEC) = 3 epoll_ctl(4, EPOLL_CTL_ADD, 3, {EPOLLIN|EPOLLOUT|EPOLLRDHUP|EPOLLET, {u32=1045758008, u64=139716331896888}}) = -1 EPERM (Operation not permitted) epoll_ctl(4, EPOLL_CTL_DEL, 3, c00009ce1c) = -1 EPERM (Operation not permitted) read(3, "127.0.0.1\tlocalhost\n::1\tlocalhos"..., 65536) = 200 read(3, "", 65336) = 0 read(3, "", 65536) = 0 close(3) = 0 clock_gettime(CLOCK_REALTIME, {1574891506, 586038554}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 749260662}) = 0 clock_gettime(CLOCK_REALTIME, {1574891506, 586188363}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 749368291}) = 0 futex(0xc000036848, FUTEX_WAKE_PRIVATE, 1) = 1 clock_gettime(CLOCK_REALTIME, {1574891506, 586388406}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 749592663}) = 0 clock_gettime(CLOCK_REALTIME, {1574891506, 586519613}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 749713465}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 749780963}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 749829330}) = 0 clock_gettime(CLOCK_REALTIME, {1574891506, 586749781}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 749926876}) = 0 clock_gettime(CLOCK_REALTIME, {1574891506, 586853628}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 750032661}) = 0 socket(PF_INET, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP) = 3 setsockopt(3, SOL_SOCKET, SO_BROADCAST, [1], 4) = 0 connect(3, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("127.0.0.11")}, 16) = 0 epoll_ctl(4, EPOLL_CTL_ADD, 3, {EPOLLIN|EPOLLOUT|EPOLLRDHUP|EPOLLET, {u32=1045758008, u64=139716331896888}}) = 0 getsockname(3, {sa_family=AF_INET, sin_port=htons(38974), sin_addr=inet_addr("127.0.0.1")}, [16]) = 0 getpeername(3, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("127.0.0.11")}, [16]) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 750439578}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 750496319}) = 0 write(3, "z\344\1\0\0\1\0\0\0\0\0\0\6codimd\0\0\34\0\1", 24) = 24 read(3, 0xc0000c0200, 512) = -1 EAGAIN (Resource temporarily unavailable) clock_gettime(CLOCK_MONOTONIC, {7290960, 750709777}) = 0 clock_gettime(CLOCK_MONOTONIC, {7290960, 750758211}) = 0 futex(0x647c40, FUTEX_WAIT_PRIVATE, 0, {4, 999052055}dial tcp 172.21.0.3:5432: connect: connection refused dial tcp 172.21.0.3:5432: connect: connection refused ^CProcess 338 detached ```Close to the end, we see that the DNS request seems to be If we request the IP for the
So I guess I should fix the incorrect hostname of my @pyama86, is this consistent with your configurations? |
Small update: Removing the underscore from the hostname fixed the issue for me. |
Hi team!
I found the following log.
We use hackmd with kubernetes and apply configure below.
What log is this connection connected to?
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