1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#include "remote/modifyobjecthandler.hpp"
#include "remote/configobjectslock.hpp"
#include "remote/httputility.hpp"
#include "remote/filterutility.hpp"
#include "remote/apiaction.hpp"
#include "base/exception.hpp"
#include <boost/algorithm/string/case_conv.hpp>
#include <set>
using namespace icinga;
REGISTER_URLHANDLER("/v1/objects", ModifyObjectHandler);
bool ModifyObjectHandler::HandleRequest(
const WaitGroup::Ptr& waitGroup,
AsioTlsStream& stream,
const ApiUser::Ptr& user,
boost::beast::http::request<boost::beast::http::string_body>& request,
const Url::Ptr& url,
boost::beast::http::response<boost::beast::http::string_body>& response,
const Dictionary::Ptr& params,
boost::asio::yield_context& yc,
HttpServerConnection& server
)
{
namespace http = boost::beast::http;
if (url->GetPath().size() < 3 || url->GetPath().size() > 4)
return false;
if (request.method() != http::verb::post)
return false;
Type::Ptr type = FilterUtility::TypeFromPluralName(url->GetPath()[2]);
if (!type) {
HttpUtility::SendJsonError(response, params, 400, "Invalid type specified.");
return true;
}
QueryDescription qd;
qd.Types.insert(type->GetName());
qd.Permission = "objects/modify/" + type->GetName();
params->Set("type", type->GetName());
if (url->GetPath().size() >= 4) {
String attr = type->GetName();
boost::algorithm::to_lower(attr);
params->Set(attr, url->GetPath()[3]);
}
std::vector<Value> objs;
try {
objs = FilterUtility::GetFilterTargets(qd, params, user);
} catch (const std::exception& ex) {
HttpUtility::SendJsonError(response, params, 404,
"No objects found.",
DiagnosticInformation(ex));
return true;
}
Value attrsVal = params->Get("attrs");
if (attrsVal.GetReflectionType() != Dictionary::TypeInstance && attrsVal.GetType() != ValueEmpty) {
HttpUtility::SendJsonError(response, params, 400,
"Invalid type for 'attrs' attribute specified. Dictionary type is required."
"Or is this a POST query and you missed adding a 'X-HTTP-Method-Override: GET' header?");
return true;
}
Dictionary::Ptr attrs = attrsVal;
Value restoreAttrsVal = params->Get("restore_attrs");
if (restoreAttrsVal.GetReflectionType() != Array::TypeInstance && restoreAttrsVal.GetType() != ValueEmpty) {
HttpUtility::SendJsonError(response, params, 400,
"Invalid type for 'restore_attrs' attribute specified. Array type is required.");
return true;
}
Array::Ptr restoreAttrs = restoreAttrsVal;
if (!(attrs || restoreAttrs)) {
HttpUtility::SendJsonError(response, params, 400,
"Missing both 'attrs' and 'restore_attrs'. "
"Or is this a POST query and you missed adding a 'X-HTTP-Method-Override: GET' header?");
return true;
}
bool verbose = false;
if (params)
verbose = HttpUtility::GetLastParameter(params, "verbose");
ConfigObjectsSharedLock lock (std::try_to_lock);
if (!lock) {
HttpUtility::SendJsonError(response, params, 503, "Icinga is reloading");
return true;
}
ArrayData results;
std::shared_lock wgLock{*waitGroup, std::try_to_lock};
if (!wgLock) {
HttpUtility::SendJsonError(response, params, 503, "Shutting down.");
return true;
}
for (ConfigObject::Ptr obj : objs) {
Dictionary::Ptr result1 = new Dictionary();
result1->Set("type", type->GetName());
result1->Set("name", obj->GetName());
if (!waitGroup->IsLockable()) {
if (wgLock) {
wgLock.unlock();
}
result1->Set("code", 503);
result1->Set("status", "Action skipped: Shutting down.");
results.emplace_back(std::move(result1));
continue;
}
String key;
// Lock the object name of the given type to prevent from being modified/deleted concurrently.
ObjectNameLock objectNameLock(type, obj->GetName());
try {
if (restoreAttrs) {
ObjectLock oLock (restoreAttrs);
for (auto& attr : restoreAttrs) {
key = attr;
obj->RestoreAttribute(key);
}
}
} catch (const std::exception& ex) {
result1->Set("code", 500);
result1->Set("status", "Attribute '" + key + "' could not be restored: " + DiagnosticInformation(ex, false));
if (verbose)
result1->Set("diagnostic_information", DiagnosticInformation(ex));
results.push_back(std::move(result1));
continue;
}
try {
if (attrs) {
ObjectLock olock(attrs);
for (const Dictionary::Pair& kv : attrs) {
key = kv.first;
obj->ModifyAttribute(kv.first, kv.second);
}
}
} catch (const std::exception& ex) {
result1->Set("code", 500);
result1->Set("status", "Attribute '" + key + "' could not be set: " + DiagnosticInformation(ex, false));
if (verbose)
result1->Set("diagnostic_information", DiagnosticInformation(ex));
results.push_back(std::move(result1));
continue;
}
result1->Set("code", 200);
result1->Set("status", "Attributes updated.");
results.push_back(std::move(result1));
}
Dictionary::Ptr result = new Dictionary({
{ "results", new Array(std::move(results)) }
});
response.result(http::status::ok);
HttpUtility::SendJsonBody(response, params, result);
return true;
}
|
