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-rw-r--r--src/mon/health_check.h201
1 files changed, 201 insertions, 0 deletions
diff --git a/src/mon/health_check.h b/src/mon/health_check.h
new file mode 100644
index 00000000..94adbcb3
--- /dev/null
+++ b/src/mon/health_check.h
@@ -0,0 +1,201 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#pragma once
+
+#include <string>
+#include <map>
+
+#include "include/health.h"
+#include "common/Formatter.h"
+
+struct health_check_t {
+ health_status_t severity;
+ std::string summary;
+ std::list<std::string> detail;
+
+ DENC(health_check_t, v, p) {
+ DENC_START(1, 1, p);
+ denc(v.severity, p);
+ denc(v.summary, p);
+ denc(v.detail, p);
+ DENC_FINISH(p);
+ }
+
+ friend bool operator==(const health_check_t& l,
+ const health_check_t& r) {
+ return l.severity == r.severity &&
+ l.summary == r.summary &&
+ l.detail == r.detail;
+ }
+ friend bool operator!=(const health_check_t& l,
+ const health_check_t& r) {
+ return !(l == r);
+ }
+
+ void dump(Formatter *f) const {
+ f->dump_stream("severity") << severity;
+
+ f->open_object_section("summary");
+ f->dump_string("message", summary);
+ f->close_section();
+
+ f->open_array_section("detail");
+ for (auto& p : detail) {
+ f->open_object_section("detail_item");
+ f->dump_string("message", p);
+ f->close_section();
+ }
+ f->close_section();
+ }
+
+ static void generate_test_instances(std::list<health_check_t*>& ls) {
+ ls.push_back(new health_check_t);
+ ls.push_back(new health_check_t);
+ ls.back()->severity = HEALTH_ERR;
+ ls.back()->summary = "summarization";
+ ls.back()->detail = {"one", "two", "three"};
+ }
+};
+WRITE_CLASS_DENC(health_check_t)
+
+
+struct health_check_map_t {
+ std::map<std::string,health_check_t> checks;
+
+ DENC(health_check_map_t, v, p) {
+ DENC_START(1, 1, p);
+ denc(v.checks, p);
+ DENC_FINISH(p);
+ }
+
+ void dump(Formatter *f) const {
+ for (auto& p : checks) {
+ f->dump_object(p.first.c_str(), p.second);
+ }
+ }
+
+ static void generate_test_instances(std::list<health_check_map_t*>& ls) {
+ ls.push_back(new health_check_map_t);
+ ls.push_back(new health_check_map_t);
+ {
+ auto& d = ls.back()->add("FOO", HEALTH_WARN, "foo");
+ d.detail.push_back("a");
+ d.detail.push_back("b");
+ }
+ {
+ auto& d = ls.back()->add("BAR", HEALTH_ERR, "bar!");
+ d.detail.push_back("c");
+ d.detail.push_back("d");
+ }
+ }
+
+ void clear() {
+ checks.clear();
+ }
+ bool empty() const {
+ return checks.empty();
+ }
+ void swap(health_check_map_t& other) {
+ checks.swap(other.checks);
+ }
+
+ health_check_t& add(const std::string& code,
+ health_status_t severity,
+ const std::string& summary) {
+ ceph_assert(checks.count(code) == 0);
+ health_check_t& r = checks[code];
+ r.severity = severity;
+ r.summary = summary;
+ return r;
+ }
+ health_check_t& get_or_add(const std::string& code,
+ health_status_t severity,
+ const std::string& summary) {
+ health_check_t& r = checks[code];
+ r.severity = severity;
+ r.summary = summary;
+ return r;
+ }
+
+ void merge(const health_check_map_t& o) {
+ for (auto& p : o.checks) {
+ auto q = checks.find(p.first);
+ if (q == checks.end()) {
+ // new check
+ checks[p.first] = p.second;
+ } else {
+ // merge details, and hope the summary matches!
+ q->second.detail.insert(
+ q->second.detail.end(),
+ p.second.detail.begin(),
+ p.second.detail.end());
+ }
+ }
+ }
+
+ health_status_t dump_summary(Formatter *f, std::string *plain,
+ const char *sep, bool detail) const {
+ health_status_t r = HEALTH_OK;
+ for (auto& p : checks) {
+ if (r > p.second.severity) {
+ r = p.second.severity;
+ }
+ if (f) {
+ f->open_object_section(p.first.c_str());
+ f->dump_stream("severity") << p.second.severity;
+
+ f->open_object_section("summary");
+ f->dump_string("message", p.second.summary);
+ f->close_section();
+
+ if (detail) {
+ f->open_array_section("detail");
+ for (auto& d : p.second.detail) {
+ f->open_object_section("detail_item");
+ f->dump_string("message", d);
+ f->close_section();
+ }
+ f->close_section();
+ }
+ f->close_section();
+ } else {
+ if (!plain->empty()) {
+ *plain += sep;
+ }
+ *plain += p.second.summary;
+ }
+ }
+ return r;
+ }
+
+ void dump_summary_compat(Formatter *f) const {
+ for (auto& p : checks) {
+ f->open_object_section("item");
+ f->dump_stream("severity") << p.second.severity;
+ f->dump_string("summary", p.second.summary);
+ f->close_section();
+ }
+ }
+
+ void dump_detail(std::string *plain) const {
+ for (auto& p : checks) {
+ *plain += p.first + " " + p.second.summary + "\n";
+ for (auto& d : p.second.detail) {
+ *plain += " ";
+ *plain += d;
+ *plain += "\n";
+ }
+ }
+ }
+
+ friend bool operator==(const health_check_map_t& l,
+ const health_check_map_t& r) {
+ return l.checks == r.checks;
+ }
+ friend bool operator!=(const health_check_map_t& l,
+ const health_check_map_t& r) {
+ return !(l == r);
+ }
+};
+WRITE_CLASS_DENC(health_check_map_t)