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api_snap_conf_test.go
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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2014-2020 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package daemon_test
import (
"bytes"
"encoding/json"
"net/http"
"net/http/httptest"
"strings"
"gopkg.in/check.v1"
"github.com/snapcore/snapd/overlord/configstate/config"
"github.com/snapcore/snapd/testutil"
)
var _ = check.Suite(&snapConfSuite{})
type snapConfSuite struct {
apiBaseSuite
}
func (s *snapConfSuite) runGetConf(c *check.C, snapName string, keys []string, statusCode int) map[string]interface{} {
req, err := http.NewRequest("GET", "/v2/snaps/"+snapName+"/conf?keys="+strings.Join(keys, ","), nil)
c.Check(err, check.IsNil)
rec := httptest.NewRecorder()
s.req(c, req, nil).ServeHTTP(rec, req)
c.Check(rec.Code, check.Equals, statusCode)
var body map[string]interface{}
err = json.Unmarshal(rec.Body.Bytes(), &body)
c.Check(err, check.IsNil)
return body["result"].(map[string]interface{})
}
func (s *snapConfSuite) TestGetConfSingleKey(c *check.C) {
d := s.daemon(c)
// Set a config that we'll get in a moment
d.Overlord().State().Lock()
tr := config.NewTransaction(d.Overlord().State())
tr.Set("test-snap", "test-key1", "test-value1")
tr.Set("test-snap", "test-key2", "test-value2")
tr.Commit()
d.Overlord().State().Unlock()
result := s.runGetConf(c, "test-snap", []string{"test-key1"}, 200)
c.Check(result, check.DeepEquals, map[string]interface{}{"test-key1": "test-value1"})
result = s.runGetConf(c, "test-snap", []string{"test-key1", "test-key2"}, 200)
c.Check(result, check.DeepEquals, map[string]interface{}{"test-key1": "test-value1", "test-key2": "test-value2"})
}
func (s *snapConfSuite) TestGetConfCoreSystemAlias(c *check.C) {
d := s.daemon(c)
// Set a config that we'll get in a moment
d.Overlord().State().Lock()
tr := config.NewTransaction(d.Overlord().State())
tr.Set("core", "test-key1", "test-value1")
tr.Commit()
d.Overlord().State().Unlock()
result := s.runGetConf(c, "core", []string{"test-key1"}, 200)
c.Check(result, check.DeepEquals, map[string]interface{}{"test-key1": "test-value1"})
result = s.runGetConf(c, "system", []string{"test-key1"}, 200)
c.Check(result, check.DeepEquals, map[string]interface{}{"test-key1": "test-value1"})
}
func (s *snapConfSuite) TestGetConfMissingKey(c *check.C) {
s.daemon(c)
result := s.runGetConf(c, "test-snap", []string{"test-key2"}, 400)
c.Check(result, check.DeepEquals, map[string]interface{}{
"value": map[string]interface{}{
"SnapName": "test-snap",
"Key": "test-key2",
},
"message": `snap "test-snap" has no "test-key2" configuration option`,
"kind": "option-not-found",
})
}
func (s *snapConfSuite) TestGetRootDocument(c *check.C) {
d := s.daemon(c)
d.Overlord().State().Lock()
tr := config.NewTransaction(d.Overlord().State())
tr.Set("test-snap", "test-key1", "test-value1")
tr.Set("test-snap", "test-key2", "test-value2")
tr.Commit()
d.Overlord().State().Unlock()
result := s.runGetConf(c, "test-snap", nil, 200)
c.Check(result, check.DeepEquals, map[string]interface{}{"test-key1": "test-value1", "test-key2": "test-value2"})
}
func (s *snapConfSuite) TestGetConfBadKey(c *check.C) {
s.daemon(c)
// TODO: this one in particular should really be a 400 also
result := s.runGetConf(c, "test-snap", []string{"."}, 500)
c.Check(result, check.DeepEquals, map[string]interface{}{"message": `invalid option name: ""`})
}
const configYaml = `
name: config-snap
version: 1
hooks:
configure:
`
func (s *snapConfSuite) TestSetConf(c *check.C) {
d := s.daemon(c)
s.mockSnap(c, configYaml)
// Mock the hook runner
hookRunner := testutil.MockCommand(c, "snap", "")
defer hookRunner.Restore()
d.Overlord().Loop()
defer d.Overlord().Stop()
text, err := json.Marshal(map[string]interface{}{"key": "value"})
c.Assert(err, check.IsNil)
buffer := bytes.NewBuffer(text)
req, err := http.NewRequest("PUT", "/v2/snaps/config-snap/conf", buffer)
c.Assert(err, check.IsNil)
rec := httptest.NewRecorder()
s.req(c, req, nil).ServeHTTP(rec, req)
c.Check(rec.Code, check.Equals, 202)
var body map[string]interface{}
err = json.Unmarshal(rec.Body.Bytes(), &body)
c.Assert(err, check.IsNil)
id := body["change"].(string)
st := d.Overlord().State()
st.Lock()
chg := st.Change(id)
st.Unlock()
c.Assert(chg, check.NotNil)
<-chg.Ready()
st.Lock()
err = chg.Err()
st.Unlock()
c.Assert(err, check.IsNil)
// Check that the configure hook was run correctly
c.Check(hookRunner.Calls(), check.DeepEquals, [][]string{{
"snap", "run", "--hook", "configure", "-r", "unset", "config-snap",
}})
}
func (s *snapConfSuite) TestSetConfCoreSystemAlias(c *check.C) {
d := s.daemon(c)
s.mockSnap(c, `
name: core
version: 1
`)
// Mock the hook runner
hookRunner := testutil.MockCommand(c, "snap", "")
defer hookRunner.Restore()
d.Overlord().Loop()
defer d.Overlord().Stop()
text, err := json.Marshal(map[string]interface{}{"proxy.ftp": "value"})
c.Assert(err, check.IsNil)
buffer := bytes.NewBuffer(text)
req, err := http.NewRequest("PUT", "/v2/snaps/system/conf", buffer)
c.Assert(err, check.IsNil)
rec := httptest.NewRecorder()
s.req(c, req, nil).ServeHTTP(rec, req)
c.Check(rec.Code, check.Equals, 202)
var body map[string]interface{}
err = json.Unmarshal(rec.Body.Bytes(), &body)
c.Assert(err, check.IsNil)
id := body["change"].(string)
st := d.Overlord().State()
st.Lock()
chg := st.Change(id)
st.Unlock()
c.Assert(chg, check.NotNil)
<-chg.Ready()
st.Lock()
err = chg.Err()
c.Assert(err, check.IsNil)
tr := config.NewTransaction(st)
st.Unlock()
c.Assert(err, check.IsNil)
var value string
tr.Get("core", "proxy.ftp", &value)
c.Assert(value, check.Equals, "value")
}
func (s *snapConfSuite) TestSetConfNumber(c *check.C) {
d := s.daemon(c)
s.mockSnap(c, configYaml)
// Mock the hook runner
hookRunner := testutil.MockCommand(c, "snap", "")
defer hookRunner.Restore()
d.Overlord().Loop()
defer d.Overlord().Stop()
text, err := json.Marshal(map[string]interface{}{"key": 1234567890})
c.Assert(err, check.IsNil)
buffer := bytes.NewBuffer(text)
req, err := http.NewRequest("PUT", "/v2/snaps/config-snap/conf", buffer)
c.Assert(err, check.IsNil)
rec := httptest.NewRecorder()
s.req(c, req, nil).ServeHTTP(rec, req)
c.Check(rec.Code, check.Equals, 202)
var body map[string]interface{}
err = json.Unmarshal(rec.Body.Bytes(), &body)
c.Assert(err, check.IsNil)
id := body["change"].(string)
st := d.Overlord().State()
st.Lock()
chg := st.Change(id)
st.Unlock()
c.Assert(chg, check.NotNil)
<-chg.Ready()
st.Lock()
defer st.Unlock()
tr := config.NewTransaction(d.Overlord().State())
var result interface{}
c.Assert(tr.Get("config-snap", "key", &result), check.IsNil)
c.Assert(result, check.DeepEquals, json.Number("1234567890"))
}
func (s *snapConfSuite) TestSetConfBadSnap(c *check.C) {
s.daemonWithOverlordMockAndStore(c)
text, err := json.Marshal(map[string]interface{}{"key": "value"})
c.Assert(err, check.IsNil)
buffer := bytes.NewBuffer(text)
req, err := http.NewRequest("PUT", "/v2/snaps/config-snap/conf", buffer)
c.Assert(err, check.IsNil)
rec := httptest.NewRecorder()
s.req(c, req, nil).ServeHTTP(rec, req)
c.Check(rec.Code, check.Equals, 404)
var body map[string]interface{}
err = json.Unmarshal(rec.Body.Bytes(), &body)
c.Assert(err, check.IsNil)
c.Check(body, check.DeepEquals, map[string]interface{}{
"status-code": 404.,
"status": "Not Found",
"result": map[string]interface{}{
"message": `snap "config-snap" is not installed`,
"kind": "snap-not-found",
"value": "config-snap",
},
"type": "error"})
}
func (s *snapConfSuite) TestSetConfChangeConflict(c *check.C) {
s.daemon(c)
s.mockSnap(c, configYaml)
s.simulateConflict("config-snap")
text, err := json.Marshal(map[string]interface{}{"key": "value"})
c.Assert(err, check.IsNil)
buffer := bytes.NewBuffer(text)
req, err := http.NewRequest("PUT", "/v2/snaps/config-snap/conf", buffer)
c.Assert(err, check.IsNil)
rec := httptest.NewRecorder()
s.req(c, req, nil).ServeHTTP(rec, req)
c.Check(rec.Code, check.Equals, 409)
var body map[string]interface{}
err = json.Unmarshal(rec.Body.Bytes(), &body)
c.Assert(err, check.IsNil)
c.Check(body, check.DeepEquals, map[string]interface{}{
"status-code": 409.,
"status": "Conflict",
"result": map[string]interface{}{
"message": `snap "config-snap" has "manip" change in progress`,
"kind": "snap-change-conflict",
"value": map[string]interface{}{
"change-kind": "manip",
"snap-name": "config-snap",
},
},
"type": "error"})
}