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Diffstat (limited to 'plugins/check_apt.c')
-rw-r--r--plugins/check_apt.c119
1 files changed, 99 insertions, 20 deletions
diff --git a/plugins/check_apt.c b/plugins/check_apt.c
index 8d020f50..867fe41e 100644
--- a/plugins/check_apt.c
+++ b/plugins/check_apt.c
@@ -33,15 +33,20 @@ const char *email = "nagiosplug-devel@lists.sourceforge.net";
#define APTGET_UPGRADE "/usr/bin/apt-get -o 'Debug::NoLocking=true' -s -qq upgrade"
#define APTGET_DISTUPGRADE "/usr/bin/apt-get -o 'Debug::NoLocking=true' -s -qq dist-upgrade"
-#define APTGET_UPDATE "/usr/bin/apt-get update"
+#define APTGET_UPDATE "/usr/bin/apt-get -q update"
int process_arguments(int, char **);
void print_help(void);
void print_usage(void);
+int run_update(void);
int run_upgrade(int *pkgcount);
static int verbose = 0;
+static int do_update = 0;
+static int dist_upgrade = 0;
+static int stderr_warning = 0;
+static int exec_warning = 0;
int main (int argc, char **argv) {
int result=STATE_UNKNOWN, packages_available=0;
@@ -57,17 +62,31 @@ int main (int argc, char **argv) {
/* handle timeouts gracefully... */
alarm (timeout_interval);
+ /* if they want to run apt-get update first... */
+ if(do_update) result = run_update();
+
/* apt-get upgrade */
- result = run_upgrade(&packages_available);
+ result = max_state(result, run_upgrade(&packages_available));
+
+ if(stderr_warning){
+ fprintf(stderr, "warning, output detected on stderr. ");
+ fprintf(stderr, "re-run with -v for more information.\n");
+ }
if(packages_available > 0){
- result = STATE_WARNING;
- printf("APT WARNING: ");
+ result = max_state(result, STATE_WARNING);
} else {
- result = STATE_OK;
- printf("APT OK: ");
+ result = max_state(result, STATE_OK);
}
- printf("%d packages available for upgrade\n", packages_available);
+
+ printf("APT %s: %d packages available for %s.%s%s%s\n",
+ state_text(result),
+ packages_available,
+ (dist_upgrade)?"dist-upgrade":"upgrade",
+ (stderr_warning)?" (warnings detected)":"",
+ (stderr_warning && exec_warning)?",":"",
+ (exec_warning)?" (errors detected)":""
+ );
return result;
}
@@ -81,11 +100,13 @@ int process_arguments (int argc, char **argv) {
{"help", no_argument, 0, 'h'},
{"verbose", no_argument, 0, 'v'},
{"timeout", required_argument, 0, 't'},
+ {"update", no_argument, 0, 'u'},
+ {"dist-upgrade", no_argument, 0, 'd'},
{0, 0, 0, 0}
};
while(1) {
- c = getopt_long(argc, argv, "hVvt", longopts, NULL);
+ c = getopt_long(argc, argv, "hVvt:ud", longopts, NULL);
if(c == -1 || c == EOF || c == 1) break;
@@ -102,6 +123,12 @@ int process_arguments (int argc, char **argv) {
case 't':
timeout_interval=atoi(optarg);
break;
+ case 'd':
+ dist_upgrade=1;
+ break;
+ case 'u':
+ do_update=1;
+ break;
default:
/* print short usage statement if args not parsable */
usage_va(_("Unknown argument - %s"), optarg);
@@ -123,15 +150,21 @@ found in Debian GNU/Linux\n\
\n\n"));
print_usage();
printf(_(UT_HELP_VRSN));
- printf(_("\
- -t, --timeout=INTEGER\n\
- Seconds to wait for plugin execution to complete\n\
-"));
+ printf(_(UT_TIMEOUT), timeout_interval);
+ printf(_("\n\
+ -d, --dist-upgrade\n\
+ Perform a dist-upgrade instead of normal upgrade.\n\n\
+The following options require root privileges and should be used with care: \
+\n\n"));
+ printf(_("\
+ -u, --update\n\
+ First perform an 'apt-get update' (note: you may also need to use -t)\
+\n\n"));
}
/* simple usage heading */
void print_usage(void){
- printf ("Usage: %s [-u] [-t timeout]\n", progname);
+ printf ("Usage: %s [-du] [-t timeout]\n", progname);
}
/* run an apt-get upgrade */
@@ -140,15 +173,26 @@ int run_upgrade(int *pkgcount){
struct output chld_out, chld_err;
/* run the upgrade */
- if((result = np_runcmd(APTGET_UPGRADE, &chld_out, &chld_err, 0)) != 0)
- result = STATE_WARNING;
+ if(dist_upgrade==0){
+ result = np_runcmd(APTGET_UPGRADE, &chld_out, &chld_err, 0);
+ } else {
+ result = np_runcmd(APTGET_DISTUPGRADE, &chld_out, &chld_err, 0);
+ }
+ /* apt-get only changes exit status if there is an internal error */
+ if(result != 0){
+ exec_warning=1;
+ result = STATE_UNKNOWN;
+ fprintf(stderr, "'%s' exited with non-zero status.\n%s\n",
+ APTGET_UPGRADE,
+ "Run again with -v for more info.");
+ }
/* parse the output, which should only consist of lines like
*
* Inst package ....
* Conf package ....
*
- * so we'll filter based on "Inst"
+ * so we'll filter based on "Inst". If we ever want to do
*/
for(i = 0; i < chld_out.lines; i++) {
if(strncmp(chld_out.line[i], "Inst", 4)==0){
@@ -162,12 +206,47 @@ int run_upgrade(int *pkgcount){
/* If we get anything on stderr, at least set warning */
if(chld_err.buflen){
- fprintf(stderr, "warning, output detected on stderr\n");
- for(i = 0; i < chld_err.lines; i++) {
- printf("got this: %s\n", chld_err.line[i]);
- result = max_state (result, STATE_WARNING);
+ stderr_warning=1;
+ result = max_state(result, STATE_WARNING);
+ if(verbose){
+ for(i = 0; i < chld_err.lines; i++) {
+ printf("%s\n", chld_err.line[i]);
+ }
+ }
+ }
+ return result;
+}
+
+/* run an apt-get update (needs root) */
+int run_update(void){
+ int i=0, result=STATE_UNKNOWN;
+ struct output chld_out, chld_err;
+
+ /* run the upgrade */
+ result = np_runcmd(APTGET_UPDATE, &chld_out, &chld_err, 0);
+ /* apt-get only changes exit status if there is an internal error */
+ if(result != 0){
+ exec_warning=1;
+ result = STATE_UNKNOWN;
+ fprintf(stderr, "'%s' exited with non-zero status.\n",
+ APTGET_UPDATE);
+ }
+
+ if(verbose){
+ for(i = 0; i < chld_out.lines; i++) {
+ printf("%s\n", chld_out.line[i]);
}
}
+ /* If we get anything on stderr, at least set warning */
+ if(chld_err.buflen){
+ stderr_warning=1;
+ result = max_state(result, STATE_WARNING);
+ if(verbose){
+ for(i = 0; i < chld_err.lines; i++) {
+ printf("%s\n", chld_err.line[i]);
+ }
+ }
+ }
return result;
}