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systemctl: prefix list-units and list-machines output with a circle indicating a failure state

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(Subject to --no-legend)
This commit is contained in:
Lennart Poettering 2014-03-18 03:51:24 +01:00
parent 12c0d47c60
commit 90c3f79dc7
1 changed files with 49 additions and 20 deletions
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69
src/systemctl/systemctl.c
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@ -341,7 +341,7 @@ static bool output_show_unit(const UnitInfo *u, char **patterns) {
}
static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
unsigned id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len;
unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len;
const UnitInfo *u;
unsigned n_shown = 0;
int job_count = 0;
@ -363,13 +363,18 @@ static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
job_len = MAX(job_len, strlen(u->job_type));
job_count++;
}
if (!arg_no_legend &&
(streq(u->active_state, "failed") ||
STR_IN_SET(u->load_state, "error", "not-found", "masked")))
circle_len = 2;
}
if (!arg_full && original_stdout_is_tty) {
unsigned basic_len;
id_len = MIN(max_id_len, 25u);
basic_len = 5 + id_len + 5 + active_len + sub_len;
basic_len = circle_len + 5 + id_len + 5 + active_len + sub_len;
if (job_count)
basic_len += job_len + 1;
@ -397,11 +402,17 @@ static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
for (u = unit_infos; u < unit_infos + c; u++) {
_cleanup_free_ char *e = NULL, *j = NULL;
const char *on_loaded, *off_loaded, *on = "";
const char *on_active, *off_active, *off = "";
const char *on_loaded = "", *off_loaded = "";
const char *on_active = "", *off_active = "";
const char *on_circle = "", *off_circle = "";
const char *id;
bool circle = false;
if (!n_shown && !arg_no_legend) {
if (circle_len > 0)
fputs(" ", stdout);
printf("%-*s %-*s %-*s %-*s ",
id_len, "UNIT",
load_len, "LOAD",
@ -419,18 +430,18 @@ static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
n_shown++;
if (streq(u->load_state, "error") ||
streq(u->load_state, "not-found")) {
on_loaded = on = ansi_highlight_red();
off_loaded = off = ansi_highlight_off();
} else
on_loaded = off_loaded = "";
if (STR_IN_SET(u->load_state, "error", "not-found", "masked")) {
on_loaded = ansi_highlight_red();
on_circle = ansi_highlight_yellow();
off_loaded = off_circle = ansi_highlight_off();
circle = true;
}
if (streq(u->active_state, "failed")) {
on_active = on = ansi_highlight_red();
off_active = off = ansi_highlight_off();
} else
on_active = off_active = "";
on_circle = on_active = ansi_highlight_red();
off_circle = off_active = ansi_highlight_off();
circle = true;
}
if (u->machine) {
j = strjoin(u->machine, ":", u->id, NULL);
@ -449,8 +460,11 @@ static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
id = e;
}
if (circle_len > 0)
printf("%s%s%s", on_circle, circle ? draw_special_char(DRAW_BLACK_CIRCLE) : " ", off_circle);
printf("%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s",
on, id_len, id, off,
on_active, id_len, id, off_active,
on_loaded, load_len, u->load_state, off_loaded,
on_active, active_len, u->active_state,
sub_len, u->sub_state, off_active,
@ -466,7 +480,8 @@ static int output_units_list(const UnitInfo *unit_infos, unsigned c) {
const char *on, *off;
if (n_shown) {
puts("\nLOAD = Reflects whether the unit definition was properly loaded.\n"
puts("\n"
"LOAD = Reflects whether the unit definition was properly loaded.\n"
"ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
"SUB = The low-level unit activation state, values depend on unit type.");
puts(job_count ? "JOB = Pending job for the unit.\n" : "");
@ -1670,6 +1685,7 @@ static int get_machine_list(
static void output_machines_list(struct machine_info *machine_infos, unsigned n) {
struct machine_info *m;
unsigned
circle_len = 0,
namelen = sizeof("NAME") - 1,
statelen = sizeof("STATE") - 1,
failedlen = sizeof("FAILED") - 1,
@ -1682,26 +1698,36 @@ static void output_machines_list(struct machine_info *machine_infos, unsigned n)
statelen = MAX(statelen, m->state ? strlen(m->state) : 0);
failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units));
jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs));
if (!arg_no_legend && !streq_ptr(m->state, "running"))
circle_len = 2;
}
if (!arg_no_legend)
if (!arg_no_legend) {
if (circle_len > 0)
fputs(" ", stdout);
printf("%-*s %-*s %-*s %-*s\n",
namelen, "NAME",
statelen, "STATE",
failedlen, "FAILED",
jobslen, "JOBS");
}
for (m = machine_infos; m < machine_infos + n; m++) {
const char *on_state, *off_state, *on_failed, *off_failed;
const char *on_state = "", *off_state = "";
const char *on_failed = "", *off_failed = "";
bool circle = false;
if (streq_ptr(m->state, "degraded")) {
on_state = ansi_highlight_red();
off_state = ansi_highlight_off();
circle = true;
} else if (!streq_ptr(m->state, "running")) {
on_state = ansi_highlight_yellow();
off_state = ansi_highlight_off();
} else
on_state = off_state = "";
circle = true;
}
if (m->n_failed_units > 0) {
on_failed = ansi_highlight_red();
@ -1709,6 +1735,9 @@ static void output_machines_list(struct machine_info *machine_infos, unsigned n)
} else
on_failed = off_failed = "";
if (circle_len > 0)
printf("%s%s%s", on_state, circle ? draw_special_char(DRAW_BLACK_CIRCLE) : " ", off_state);
if (m->is_host)
printf("%-*s (host) %s%-*s%s %s%*u%s %*u\n",
(int) (namelen - (sizeof(" (host)")-1)), strna(m->name),