Re: [libvirt] [PATCH] tests: don't assume "localhost" only resolves to 1/2 IPs

On Debian derived distros "localhost" can resolve to the normal "127.0.0.1" and "::1", but it can also resolve to "127.0.1.1" Rewrite the code so that it doesn't assume a fixed number of IPs. Signed-off-by: Daniel P. Berrangé <berrange(a)redhat.com&gt; --- tests/virsystemdtest.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/tests/virsystemdtest.c b/tests/virsystemdtest.c index cd031914ab..dd87caeebf 100644 --- a/tests/virsystemdtest.c +++ b/tests/virsystemdtest.c @@ -548,22 +548,21 @@ testActivation(bool useNames) size_t nsockIP; int ret = -1; size_t i; - const char *names2 = "demo-unix.socket:demo-ip.socket"; - const char *names3 = "demo-unix.socket:demo-ip.socket:demo-ip.socket"; char nfdstr[INT_BUFSIZE_BOUND(size_t)]; char pidstr[INT_BUFSIZE_BOUND(pid_t)]; virSystemdActivationMap map[2]; int *fds = NULL; size_t nfds = 0; VIR_AUTOPTR(virSystemdActivation) act = NULL; + virBuffer names = VIR_BUFFER_INITIALIZER;

+ + virBufferAddLit(&names, "demo-unix.socket"); if (testActivationCreateFDs(&sockUNIX, &sockIP, &nsockIP) < 0) return -1; - if (nsockIP != 1 && nsockIP != 2) { - fprintf(stderr, "Got %zu IP sockets but expected only 1 or 2\n", nsockIP); - goto cleanup; - } + for (i = 0; i < nsockIP; i++) + virBufferAddLit(&names, ":demo-ip.socket"); snprintf(nfdstr, sizeof(nfdstr), "%zu", 1 + nsockIP); snprintf(pidstr, sizeof(pidstr), "%lld", (long long)getpid()); @@ -571,8 +570,11 @@ testActivation(bool useNames) setenv("LISTEN_FDS", nfdstr, 1); setenv("LISTEN_PID", pidstr, 1); + if (virBufferError(&names)) + goto cleanup; + if (useNames) - setenv("LISTEN_FDNAMES", nsockIP == 1 ? names2 : names3, 1); + setenv("LISTEN_FDNAMES", virBufferCurrentContent(&names), 1); else unsetenv("LISTEN_FDNAMES"); @@ -627,6 +629,7 @@ testActivation(bool useNames) ret = 0; cleanup: + virBufferFreeAndReset(&names);

virObjectUnref(sockUNIX); for (i = 0; i < nsockIP; i++) virObjectUnref(sockIP[i]);