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Merge pull request #33046 from poettering/varlinkctl-quiet
varlinkctl: add --quiet/-q switch for suppressing method call reply output
This commit is contained in:
Luca Boccassi
GitHub
commit
a2979bb842
@ -239,6 +239,17 @@
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--quiet</option></term>
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<term><option>-q</option></term>
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<listitem>
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<para>Suppress output of method call replies.</para>
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<xi:include href="version-info.xml" xpointer="v257"/>
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</listitem>
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</varlistentry>
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<xi:include href="standard-options.xml" xpointer="no-pager" />
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<xi:include href="standard-options.xml" xpointer="help" />
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<xi:include href="standard-options.xml" xpointer="version" />
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@ -3378,6 +3378,9 @@ _public_ int sd_json_parse_with_source(
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_cleanup_(json_source_unrefp) JsonSource *s = NULL;
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if (isempty(input))
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return -ENODATA;
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if (source) {
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s = json_source_new(source);
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if (!s)
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@ -3447,9 +3450,6 @@ _public_ int sd_json_parse_file_at(
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if (r < 0)
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return r;
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if (isempty(text))
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return -ENODATA;
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return sd_json_parse_with_source(text, path, flags, ret, reterr_line, reterr_column);
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}
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@ -21,6 +21,7 @@ static sd_json_format_flags_t arg_json_format_flags = SD_JSON_FORMAT_OFF;
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static PagerFlags arg_pager_flags = 0;
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static VarlinkMethodFlags arg_method_flags = 0;
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static bool arg_collect = false;
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static bool arg_quiet = false;
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static int help(void) {
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_cleanup_free_ char *link = NULL;
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@ -56,6 +57,7 @@ static int help(void) {
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" --oneway Do not request response\n"
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" --json=MODE Output as JSON\n"
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" -j Same as --json=pretty on tty, --json=short otherwise\n"
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" -q --quiet Do not output method reply\n"
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"\nSee the %2$s for details.\n",
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program_invocation_short_name,
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link,
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@ -90,6 +92,7 @@ static int parse_argv(int argc, char *argv[]) {
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{ "oneway", no_argument, NULL, ARG_ONEWAY },
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{ "json", required_argument, NULL, ARG_JSON },
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{ "collect", no_argument, NULL, ARG_COLLECT },
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{ "quiet", no_argument, NULL, 'q' },
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{},
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};
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@ -98,7 +101,7 @@ static int parse_argv(int argc, char *argv[]) {
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assert(argc >= 0);
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assert(argv);
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while ((c = getopt_long(argc, argv, "hj", options, NULL)) >= 0)
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while ((c = getopt_long(argc, argv, "hjq", options, NULL)) >= 0)
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switch (c) {
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@ -135,6 +138,10 @@ static int parse_argv(int argc, char *argv[]) {
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arg_json_format_flags = SD_JSON_FORMAT_PRETTY_AUTO|SD_JSON_FORMAT_COLOR_AUTO;
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break;
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case 'q':
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arg_quiet = true;
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break;
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case '?':
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return -EINVAL;
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@ -435,14 +442,16 @@ static int reply_callback(
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} else
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r = 0;
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sd_json_variant_dump(parameters, arg_json_format_flags, stdout, NULL);
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if (!arg_quiet)
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sd_json_variant_dump(parameters, arg_json_format_flags, stdout, NULL);
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return r;
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}
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static int verb_call(int argc, char *argv[], void *userdata) {
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_cleanup_(sd_json_variant_unrefp) sd_json_variant *jp = NULL;
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_cleanup_(varlink_unrefp) Varlink *vl = NULL;
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const char *url, *method, *parameter;
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const char *url, *method, *parameter, *source;
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unsigned line = 0, column = 0;
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int r;
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@ -461,15 +470,25 @@ static int verb_call(int argc, char *argv[], void *userdata) {
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arg_json_format_flags |= SD_JSON_FORMAT_NEWLINE;
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if (parameter) {
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source = "<argv[4]>";
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/* <argv[4]> is correct, as dispatch_verb() shifts arguments by one for the verb. */
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r = sd_json_parse_with_source(parameter, "<argv[4]>", 0, &jp, &line, &column);
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if (r < 0)
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return log_error_errno(r, "Failed to parse parameters at <argv[4]>:%u:%u: %m", line, column);
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r = sd_json_parse_with_source(parameter, source, 0, &jp, &line, &column);
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} else {
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r = sd_json_parse_file_at(stdin, AT_FDCWD, "<stdin>", 0, &jp, &line, &column);
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if (r < 0)
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return log_error_errno(r, "Failed to parse parameters at <stdin>:%u:%u: %m", line, column);
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if (isatty(STDIN_FILENO) > 0 && !arg_quiet)
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log_notice("Expecting method call parameter JSON object on standard input. (Provide empty string or {} for no parameters.)");
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source = "<stdin>";
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r = sd_json_parse_file_at(stdin, AT_FDCWD, source, 0, &jp, &line, &column);
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}
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if (r < 0 && r != -ENODATA)
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return log_error_errno(r, "Failed to parse parameters at %s:%u:%u: %m", source, line, column);
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/* If parsing resulted in ENODATA the provided string was empty. As convenience to users we'll accept
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* that and treat it as equivalent to an empty object: as a call with empty set of parameters. This
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* mirrors how we do this in our C APIs too, where we are happy to accept NULL instead of a proper
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* JsonVariant object for method calls. */
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r = varlink_connect_auto(&vl, url);
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if (r < 0)
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@ -490,6 +509,9 @@ static int verb_call(int argc, char *argv[], void *userdata) {
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} else
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r = 0;
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if (arg_quiet)
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return r;
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pager_open(arg_pager_flags);
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sd_json_variant_dump(reply, arg_json_format_flags, stdout, NULL);
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return r;
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@ -552,6 +574,9 @@ static int verb_call(int argc, char *argv[], void *userdata) {
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} else
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r = 0;
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if (arg_quiet)
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return r;
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pager_open(arg_pager_flags);
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sd_json_variant_dump(reply, arg_json_format_flags, stdout, NULL);
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@ -598,6 +623,9 @@ static int verb_validate_idl(int argc, char *argv[], void *userdata) {
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if (r < 0)
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return log_error_errno(r, "Failed to check interface for consistency: %m");
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if (arg_quiet)
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return 0;
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pager_open(arg_pager_flags);
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r = varlink_idl_dump(stdout, /* use_colors= */ -1, vi);
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@ -40,9 +40,11 @@ varlinkctl introspect -j /run/systemd/journal/io.systemd.journal io.systemd.Jour
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if command -v userdbctl >/dev/null; then
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systemctl start systemd-userdbd
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varlinkctl call /run/systemd/userdb/io.systemd.Multiplexer io.systemd.UserDatabase.GetUserRecord '{ "userName" : "testuser", "service" : "io.systemd.Multiplexer" }'
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varlinkctl call -q /run/systemd/userdb/io.systemd.Multiplexer io.systemd.UserDatabase.GetUserRecord '{ "userName" : "testuser", "service" : "io.systemd.Multiplexer" }'
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varlinkctl call -j /run/systemd/userdb/io.systemd.Multiplexer io.systemd.UserDatabase.GetUserRecord '{ "userName" : "testuser", "service" : "io.systemd.Multiplexer" }' | jq .
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# We ignore the return value of the following two calls, since if no memberships are defined at all this will return a NotFound error, which is OK
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(varlinkctl call --more /run/systemd/userdb/io.systemd.Multiplexer io.systemd.UserDatabase.GetMemberships '{ "service" : "io.systemd.Multiplexer" }' ||:)
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(varlinkctl call --quiet --more /run/systemd/userdb/io.systemd.Multiplexer io.systemd.UserDatabase.GetMemberships '{ "service" : "io.systemd.Multiplexer" }' ||:)
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(varlinkctl call --more -j /run/systemd/userdb/io.systemd.Multiplexer io.systemd.UserDatabase.GetMemberships '{ "service" : "io.systemd.Multiplexer" }' ||:) | jq --seq .
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varlinkctl call --oneway /run/systemd/userdb/io.systemd.Multiplexer io.systemd.UserDatabase.GetMemberships '{ "service" : "io.systemd.Multiplexer" }'
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(! varlinkctl call --oneway /run/systemd/userdb/io.systemd.Multiplexer io.systemd.UserDatabase.GetMemberships '{ "service" : "io.systemd.Multiplexer" }' | grep .)
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