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influxdb/http/telegraf_test.go

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package http
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"net/http/httptest"
"strings"
"testing"
platform2 "github.com/influxdata/influxdb/v2/kit/platform"
platform "github.com/influxdata/influxdb/v2"
"github.com/influxdata/influxdb/v2/mock"
"go.uber.org/zap/zaptest"
)
// NewMockTelegrafBackend returns a TelegrafBackend with mock services.
func NewMockTelegrafBackend(t *testing.T) *TelegrafBackend {
return &TelegrafBackend{
log: zaptest.NewLogger(t),
TelegrafService: &mock.TelegrafConfigStore{},
UserResourceMappingService: mock.NewUserResourceMappingService(),
LabelService: mock.NewLabelService(),
UserService: mock.NewUserService(),
OrganizationService: mock.NewOrganizationService(),
}
}
func TestTelegrafHandler_handleGetTelegrafs(t *testing.T) {
type wants struct {
statusCode int
contentType string
body string
}
tests := []struct {
name string
svc *mock.TelegrafConfigStore
r *http.Request
wants wants
}{
{
name: "get telegraf configs by organization id",
r: httptest.NewRequest("GET", "http://any.url/api/v2/telegrafs?orgID=0000000000000002", nil),
svc: &mock.TelegrafConfigStore{
FindTelegrafConfigsF: func(ctx context.Context, filter platform.TelegrafConfigFilter, opt ...platform.FindOptions) ([]*platform.TelegrafConfig, int, error) {
if filter.OrgID != nil && *filter.OrgID == platform2.ID(2) {
return []*platform.TelegrafConfig{
{
ID: platform2.ID(1),
OrgID: platform2.ID(2),
Name: "tc1",
Description: "",
Config: "[[inputs.cpu]]\n",
},
}, 1, nil
}
return []*platform.TelegrafConfig{}, 0, fmt.Errorf("not found")
},
},
wants: wants{
statusCode: http.StatusOK,
contentType: "application/json; charset=utf-8",
body: `{
"configurations": [
{
"id": "0000000000000001",
"orgID": "0000000000000002",
"name": "tc1",
"config": "[[inputs.cpu]]\n",
"labels": [],
"links": {
"self": "/api/v2/telegrafs/0000000000000001",
"labels": "/api/v2/telegrafs/0000000000000001/labels",
"members": "/api/v2/telegrafs/0000000000000001/members",
"owners": "/api/v2/telegrafs/0000000000000001/owners"
}
}
]
}`,
},
},
{
name: "get telegraf configs by organization name",
r: httptest.NewRequest("GET", "http://any.url/api/v2/telegrafs?org=tc1", nil),
svc: &mock.TelegrafConfigStore{
FindTelegrafConfigsF: func(ctx context.Context, filter platform.TelegrafConfigFilter, opt ...platform.FindOptions) ([]*platform.TelegrafConfig, int, error) {
if filter.Organization != nil && *filter.Organization == "tc1" {
return []*platform.TelegrafConfig{
{
ID: platform2.ID(1),
OrgID: platform2.ID(2),
Name: "tc1",
Description: "",
Config: "[[inputs.cpu]]\n",
},
}, 1, nil
}
return []*platform.TelegrafConfig{}, 0, fmt.Errorf("not found")
},
},
wants: wants{
statusCode: http.StatusOK,
contentType: "application/json; charset=utf-8",
body: `{
"configurations": [
{
"id": "0000000000000001",
"orgID": "0000000000000002",
"name": "tc1",
"config": "[[inputs.cpu]]\n",
"labels": [],
"links": {
"self": "/api/v2/telegrafs/0000000000000001",
"labels": "/api/v2/telegrafs/0000000000000001/labels",
"members": "/api/v2/telegrafs/0000000000000001/members",
"owners": "/api/v2/telegrafs/0000000000000001/owners"
}
}
]
}`,
},
},
{
name: "return CPU plugin for telegraf",
r: httptest.NewRequest("GET", "http://any.url/api/v2/telegrafs", nil),
svc: &mock.TelegrafConfigStore{
FindTelegrafConfigsF: func(ctx context.Context, filter platform.TelegrafConfigFilter, opt ...platform.FindOptions) ([]*platform.TelegrafConfig, int, error) {
return []*platform.TelegrafConfig{
{
ID: platform2.ID(1),
OrgID: platform2.ID(2),
Name: "my config",
Description: "my description",
Config: "[[inputs.cpu]]\n[[outputs.influxdb_v2]]\n",
},
}, 1, nil
},
},
wants: wants{
statusCode: http.StatusOK,
contentType: "application/json; charset=utf-8",
body: `{
"configurations": [
{
"id": "0000000000000001",
"orgID": "0000000000000002",
"name": "my config",
"description": "my description",
"config": "[[inputs.cpu]]\n[[outputs.influxdb_v2]]\n",
"labels": [],
"links": {
"self": "/api/v2/telegrafs/0000000000000001",
"labels": "/api/v2/telegrafs/0000000000000001/labels",
"members": "/api/v2/telegrafs/0000000000000001/members",
"owners": "/api/v2/telegrafs/0000000000000001/owners"
}
}
]
}`,
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
w := httptest.NewRecorder()
telegrafBackend := NewMockTelegrafBackend(t)
telegrafBackend.TelegrafService = tt.svc
h := NewTelegrafHandler(zaptest.NewLogger(t), telegrafBackend)
h.ServeHTTP(w, tt.r)
res := w.Result()
content := res.Header.Get("Content-Type")
body, _ := ioutil.ReadAll(res.Body)
if res.StatusCode != tt.wants.statusCode {
t.Errorf("%q. handleGetTelegrafs() = %v, want %v", tt.name, res.StatusCode, tt.wants.statusCode)
t.Logf("headers: %v", res.Header)
}
if tt.wants.contentType != "" && content != tt.wants.contentType {
t.Errorf("%q. handleGetTelegrafs() = %v, want %v", tt.name, content, tt.wants.contentType)
}
if tt.wants.body != "" {
if eq, diff, err := jsonEqual(string(body), tt.wants.body); err != nil {
t.Errorf("%q, handleGetTelegrafs(). error unmarshalling json %v", tt.name, err)
} else if !eq {
t.Errorf("%q. handleGetTelegrafs() = ***%s***", tt.name, diff)
}
}
})
}
}
func TestTelegrafHandler_handleGetTelegraf(t *testing.T) {
type wants struct {
statusCode int
contentType string
body string
}
tests := []struct {
name string
svc *mock.TelegrafConfigStore
r *http.Request
acceptHeader string
wants wants
}{
{
name: "return JSON telegraf config",
r: httptest.NewRequest("GET", "http://any.url/api/v2/telegrafs/0000000000000001", nil),
acceptHeader: "application/json",
svc: &mock.TelegrafConfigStore{
FindTelegrafConfigByIDF: func(ctx context.Context, id platform2.ID) (*platform.TelegrafConfig, error) {
return &platform.TelegrafConfig{
ID: platform2.ID(1),
OrgID: platform2.ID(2),
Name: "my config",
Description: "",
Config: "[[inputs.cpu]]\n[[outputs.influxdb_v2]]\n",
}, nil
},
},
wants: wants{
statusCode: http.StatusOK,
contentType: "application/json; charset=utf-8",
body: `{
"id": "0000000000000001",
"orgID": "0000000000000002",
"name": "my config",
"config": "[[inputs.cpu]]\n[[outputs.influxdb_v2]]\n",
"labels": [],
"links": {
"self": "/api/v2/telegrafs/0000000000000001",
"labels": "/api/v2/telegrafs/0000000000000001/labels",
"members": "/api/v2/telegrafs/0000000000000001/members",
"owners": "/api/v2/telegrafs/0000000000000001/owners"
}
}`,
},
},
{
name: "return JSON telegraf config using fuzzy accept header matching",
r: httptest.NewRequest("GET", "http://any.url/api/v2/telegrafs/0000000000000001", nil),
acceptHeader: "application/json, text/plain, */*",
svc: &mock.TelegrafConfigStore{
FindTelegrafConfigByIDF: func(ctx context.Context, id platform2.ID) (*platform.TelegrafConfig, error) {
return &platform.TelegrafConfig{
ID: platform2.ID(1),
OrgID: platform2.ID(2),
Name: "my config",
Description: "",
Config: "[[inputs.cpu]]\n[[outputs.influxdb_v2]]\n",
}, nil
},
},
wants: wants{
statusCode: http.StatusOK,
contentType: "application/json; charset=utf-8",
body: `{
"id": "0000000000000001",
"orgID": "0000000000000002",
"name": "my config",
"config": "[[inputs.cpu]]\n[[outputs.influxdb_v2]]\n",
"labels": [],
"links": {
"self": "/api/v2/telegrafs/0000000000000001",
"labels": "/api/v2/telegrafs/0000000000000001/labels",
"members": "/api/v2/telegrafs/0000000000000001/members",
"owners": "/api/v2/telegrafs/0000000000000001/owners"
}
}`,
},
},
{
name: "return TOML telegraf config with accept header application/toml",
r: httptest.NewRequest("GET", "http://any.url/api/v2/telegrafs/0000000000000001", nil),
acceptHeader: "application/toml",
svc: &mock.TelegrafConfigStore{
FindTelegrafConfigByIDF: func(ctx context.Context, id platform2.ID) (*platform.TelegrafConfig, error) {
return &platform.TelegrafConfig{
ID: platform2.ID(1),
OrgID: platform2.ID(2),
Name: "my config",
Config: `# Configuration for telegraf agent
[agent]
## Default data collection interval for all inputs
interval = "10s"
## Rounds collection interval to 'interval'
## ie, if interval="10s" then always collect on :00, :10, :20, etc.
round_interval = true
## Telegraf will send metrics to outputs in batches of at most
## metric_batch_size metrics.
## This controls the size of writes that Telegraf sends to output plugins.
metric_batch_size = 1000
## For failed writes, telegraf will cache metric_buffer_limit metrics for each
## output, and will flush this buffer on a successful write. Oldest metrics
## are dropped first when this buffer fills.
## This buffer only fills when writes fail to output plugin(s).
metric_buffer_limit = 10000
## Collection jitter is used to jitter the collection by a random amount.
## Each plugin will sleep for a random time within jitter before collecting.
## This can be used to avoid many plugins querying things like sysfs at the
## same time, which can have a measurable effect on the system.
collection_jitter = "0s"
## Default flushing interval for all outputs. Maximum flush_interval will be
## flush_interval + flush_jitter
flush_interval = "10s"
## Jitter the flush interval by a random amount. This is primarily to avoid
## large write spikes for users running a large number of telegraf instances.
## ie, a jitter of 5s and interval 10s means flushes will happen every 10-15s
flush_jitter = "0s"
## By default or when set to "0s", precision will be set to the same
## timestamp order as the collection interval, with the maximum being 1s.
## ie, when interval = "10s", precision will be "1s"
## when interval = "250ms", precision will be "1ms"
## Precision will NOT be used for service inputs. It is up to each individual
## service input to set the timestamp at the appropriate precision.
## Valid time units are "ns", "us" (or "µs"), "ms", "s".
precision = ""
## Logging configuration:
## Run telegraf with debug log messages.
debug = false
## Run telegraf in quiet mode (error log messages only).
quiet = false
## Specify the log file name. The empty string means to log to stderr.
logfile = ""
## Override default hostname, if empty use os.Hostname()
hostname = ""
## If set to true, do no set the "host" tag in the telegraf agent.
omit_hostname = false
[[inputs.cpu]]
## Whether to report per-cpu stats or not
percpu = true
## Whether to report total system cpu stats or not
totalcpu = true
## If true, collect raw CPU time metrics.
collect_cpu_time = false
## If true, compute and report the sum of all non-idle CPU states.
report_active = false
[[outputs.influxdb_v2]]
## The URLs of the InfluxDB cluster nodes.
##
## Multiple URLs can be specified for a single cluster, only ONE of the
## urls will be written to each interval.
## urls exp: http://127.0.0.1:8086
urls = ["http://127.0.0.1:8086"]
## Token for authentication.
token = "no_more_secrets"
## Organization is the name of the organization you wish to write to; must exist.
organization = "my_org"
## Destination bucket to write into.
bucket = "my_bucket"
`,
}, nil
},
},
wants: wants{
statusCode: http.StatusOK,
contentType: "application/toml; charset=utf-8",
body: `# Configuration for telegraf agent
[agent]
## Default data collection interval for all inputs
interval = "10s"
## Rounds collection interval to 'interval'
## ie, if interval="10s" then always collect on :00, :10, :20, etc.
round_interval = true
## Telegraf will send metrics to outputs in batches of at most
## metric_batch_size metrics.
## This controls the size of writes that Telegraf sends to output plugins.
metric_batch_size = 1000
## For failed writes, telegraf will cache metric_buffer_limit metrics for each
## output, and will flush this buffer on a successful write. Oldest metrics
## are dropped first when this buffer fills.
## This buffer only fills when writes fail to output plugin(s).
metric_buffer_limit = 10000
## Collection jitter is used to jitter the collection by a random amount.
## Each plugin will sleep for a random time within jitter before collecting.
## This can be used to avoid many plugins querying things like sysfs at the
## same time, which can have a measurable effect on the system.
collection_jitter = "0s"
## Default flushing interval for all outputs. Maximum flush_interval will be
## flush_interval + flush_jitter
flush_interval = "10s"
## Jitter the flush interval by a random amount. This is primarily to avoid
## large write spikes for users running a large number of telegraf instances.
## ie, a jitter of 5s and interval 10s means flushes will happen every 10-15s
flush_jitter = "0s"
## By default or when set to "0s", precision will be set to the same
## timestamp order as the collection interval, with the maximum being 1s.
## ie, when interval = "10s", precision will be "1s"
## when interval = "250ms", precision will be "1ms"
## Precision will NOT be used for service inputs. It is up to each individual
## service input to set the timestamp at the appropriate precision.
## Valid time units are "ns", "us" (or "µs"), "ms", "s".
precision = ""
## Logging configuration:
## Run telegraf with debug log messages.
debug = false
## Run telegraf in quiet mode (error log messages only).
quiet = false
## Specify the log file name. The empty string means to log to stderr.
logfile = ""
## Override default hostname, if empty use os.Hostname()
hostname = ""
## If set to true, do no set the "host" tag in the telegraf agent.
omit_hostname = false
[[inputs.cpu]]
## Whether to report per-cpu stats or not
percpu = true
## Whether to report total system cpu stats or not
totalcpu = true
## If true, collect raw CPU time metrics.
collect_cpu_time = false
## If true, compute and report the sum of all non-idle CPU states.
report_active = false
[[outputs.influxdb_v2]]
## The URLs of the InfluxDB cluster nodes.
##
## Multiple URLs can be specified for a single cluster, only ONE of the
## urls will be written to each interval.
## urls exp: http://127.0.0.1:8086
urls = ["http://127.0.0.1:8086"]
## Token for authentication.
token = "no_more_secrets"
## Organization is the name of the organization you wish to write to; must exist.
organization = "my_org"
## Destination bucket to write into.
bucket = "my_bucket"
`,
},
},
{
name: "return TOML telegraf config with no accept header",
r: httptest.NewRequest("GET", "http://any.url/api/v2/telegrafs/0000000000000001", nil),
svc: &mock.TelegrafConfigStore{
FindTelegrafConfigByIDF: func(ctx context.Context, id platform2.ID) (*platform.TelegrafConfig, error) {
return &platform.TelegrafConfig{
ID: platform2.ID(1),
OrgID: platform2.ID(2),
Config: `# Configuration for telegraf agent
[agent]
## Default data collection interval for all inputs
interval = "10s"
## Rounds collection interval to 'interval'
## ie, if interval="10s" then always collect on :00, :10, :20, etc.
round_interval = true
## Telegraf will send metrics to outputs in batches of at most
## metric_batch_size metrics.
## This controls the size of writes that Telegraf sends to output plugins.
metric_batch_size = 1000
## For failed writes, telegraf will cache metric_buffer_limit metrics for each
## output, and will flush this buffer on a successful write. Oldest metrics
## are dropped first when this buffer fills.
## This buffer only fills when writes fail to output plugin(s).
metric_buffer_limit = 10000
## Collection jitter is used to jitter the collection by a random amount.
## Each plugin will sleep for a random time within jitter before collecting.
## This can be used to avoid many plugins querying things like sysfs at the
## same time, which can have a measurable effect on the system.
collection_jitter = "0s"
## Default flushing interval for all outputs. Maximum flush_interval will be
## flush_interval + flush_jitter
flush_interval = "10s"
## Jitter the flush interval by a random amount. This is primarily to avoid
## large write spikes for users running a large number of telegraf instances.
## ie, a jitter of 5s and interval 10s means flushes will happen every 10-15s
flush_jitter = "0s"
## By default or when set to "0s", precision will be set to the same
## timestamp order as the collection interval, with the maximum being 1s.
## ie, when interval = "10s", precision will be "1s"
## when interval = "250ms", precision will be "1ms"
## Precision will NOT be used for service inputs. It is up to each individual
## service input to set the timestamp at the appropriate precision.
## Valid time units are "ns", "us" (or "µs"), "ms", "s".
precision = ""
## Logging configuration:
## Run telegraf with debug log messages.
debug = false
## Run telegraf in quiet mode (error log messages only).
quiet = false
## Specify the log file name. The empty string means to log to stderr.
logfile = ""
## Override default hostname, if empty use os.Hostname()
hostname = ""
## If set to true, do no set the "host" tag in the telegraf agent.
omit_hostname = false
[[inputs.cpu]]
## Whether to report per-cpu stats or not
percpu = true
## Whether to report total system cpu stats or not
totalcpu = true
## If true, collect raw CPU time metrics.
collect_cpu_time = false
## If true, compute and report the sum of all non-idle CPU states.
report_active = false
[[outputs.influxdb_v2]]
## The URLs of the InfluxDB cluster nodes.
##
## Multiple URLs can be specified for a single cluster, only ONE of the
## urls will be written to each interval.
## urls exp: http://127.0.0.1:8086
urls = ["http://127.0.0.1:8086"]
## Token for authentication.
token = "no_more_secrets"
## Organization is the name of the organization you wish to write to; must exist.
organization = "my_org"
## Destination bucket to write into.
bucket = "my_bucket"
`,
}, nil
},
},
wants: wants{
statusCode: http.StatusOK,
contentType: "application/toml; charset=utf-8",
body: `# Configuration for telegraf agent
[agent]
## Default data collection interval for all inputs
interval = "10s"
## Rounds collection interval to 'interval'
## ie, if interval="10s" then always collect on :00, :10, :20, etc.
round_interval = true
## Telegraf will send metrics to outputs in batches of at most
## metric_batch_size metrics.
## This controls the size of writes that Telegraf sends to output plugins.
metric_batch_size = 1000
## For failed writes, telegraf will cache metric_buffer_limit metrics for each
## output, and will flush this buffer on a successful write. Oldest metrics
## are dropped first when this buffer fills.
## This buffer only fills when writes fail to output plugin(s).
metric_buffer_limit = 10000
## Collection jitter is used to jitter the collection by a random amount.
## Each plugin will sleep for a random time within jitter before collecting.
## This can be used to avoid many plugins querying things like sysfs at the
## same time, which can have a measurable effect on the system.
collection_jitter = "0s"
## Default flushing interval for all outputs. Maximum flush_interval will be
## flush_interval + flush_jitter
flush_interval = "10s"
## Jitter the flush interval by a random amount. This is primarily to avoid
## large write spikes for users running a large number of telegraf instances.
## ie, a jitter of 5s and interval 10s means flushes will happen every 10-15s
flush_jitter = "0s"
## By default or when set to "0s", precision will be set to the same
## timestamp order as the collection interval, with the maximum being 1s.
## ie, when interval = "10s", precision will be "1s"
## when interval = "250ms", precision will be "1ms"
## Precision will NOT be used for service inputs. It is up to each individual
## service input to set the timestamp at the appropriate precision.
## Valid time units are "ns", "us" (or "µs"), "ms", "s".
precision = ""
## Logging configuration:
## Run telegraf with debug log messages.
debug = false
## Run telegraf in quiet mode (error log messages only).
quiet = false
## Specify the log file name. The empty string means to log to stderr.
logfile = ""
## Override default hostname, if empty use os.Hostname()
hostname = ""
## If set to true, do no set the "host" tag in the telegraf agent.
omit_hostname = false
[[inputs.cpu]]
## Whether to report per-cpu stats or not
percpu = true
## Whether to report total system cpu stats or not
totalcpu = true
## If true, collect raw CPU time metrics.
collect_cpu_time = false
## If true, compute and report the sum of all non-idle CPU states.
report_active = false
[[outputs.influxdb_v2]]
## The URLs of the InfluxDB cluster nodes.
##
## Multiple URLs can be specified for a single cluster, only ONE of the
## urls will be written to each interval.
## urls exp: http://127.0.0.1:8086
urls = ["http://127.0.0.1:8086"]
## Token for authentication.
token = "no_more_secrets"
## Organization is the name of the organization you wish to write to; must exist.
organization = "my_org"
## Destination bucket to write into.
bucket = "my_bucket"
`,
},
},
{
name: "return TOML telegraf config with application/octet-stream",
r: httptest.NewRequest("GET", "http://any.url/api/v2/telegrafs/0000000000000001", nil),
acceptHeader: "application/octet-stream",
svc: &mock.TelegrafConfigStore{
FindTelegrafConfigByIDF: func(ctx context.Context, id platform2.ID) (*platform.TelegrafConfig, error) {
return &platform.TelegrafConfig{
ID: platform2.ID(1),
OrgID: platform2.ID(2),
Name: "my config",
Config: `# Configuration for telegraf agent
[agent]
## Default data collection interval for all inputs
interval = "10s"
## Rounds collection interval to 'interval'
## ie, if interval="10s" then always collect on :00, :10, :20, etc.
round_interval = true
## Telegraf will send metrics to outputs in batches of at most
## metric_batch_size metrics.
## This controls the size of writes that Telegraf sends to output plugins.
metric_batch_size = 1000
## For failed writes, telegraf will cache metric_buffer_limit metrics for each
## output, and will flush this buffer on a successful write. Oldest metrics
## are dropped first when this buffer fills.
## This buffer only fills when writes fail to output plugin(s).
metric_buffer_limit = 10000
## Collection jitter is used to jitter the collection by a random amount.
## Each plugin will sleep for a random time within jitter before collecting.
## This can be used to avoid many plugins querying things like sysfs at the
## same time, which can have a measurable effect on the system.
collection_jitter = "0s"
## Default flushing interval for all outputs. Maximum flush_interval will be
## flush_interval + flush_jitter
flush_interval = "10s"
## Jitter the flush interval by a random amount. This is primarily to avoid
## large write spikes for users running a large number of telegraf instances.
## ie, a jitter of 5s and interval 10s means flushes will happen every 10-15s
flush_jitter = "0s"
## By default or when set to "0s", precision will be set to the same
## timestamp order as the collection interval, with the maximum being 1s.
## ie, when interval = "10s", precision will be "1s"
## when interval = "250ms", precision will be "1ms"
## Precision will NOT be used for service inputs. It is up to each individual
## service input to set the timestamp at the appropriate precision.
## Valid time units are "ns", "us" (or "µs"), "ms", "s".
precision = ""
## Logging configuration:
## Run telegraf with debug log messages.
debug = false
## Run telegraf in quiet mode (error log messages only).
quiet = false
## Specify the log file name. The empty string means to log to stderr.
logfile = ""
## Override default hostname, if empty use os.Hostname()
hostname = ""
## If set to true, do no set the "host" tag in the telegraf agent.
omit_hostname = false
[[inputs.cpu]]
## Whether to report per-cpu stats or not
percpu = true
## Whether to report total system cpu stats or not
totalcpu = true
## If true, collect raw CPU time metrics.
collect_cpu_time = false
## If true, compute and report the sum of all non-idle CPU states.
report_active = false
[[outputs.influxdb_v2]]
## The URLs of the InfluxDB cluster nodes.
##
## Multiple URLs can be specified for a single cluster, only ONE of the
## urls will be written to each interval.
## urls exp: http://127.0.0.1:8086
urls = ["http://127.0.0.1:8086"]
## Token for authentication.
token = "no_more_secrets"
## Organization is the name of the organization you wish to write to; must exist.
organization = "my_org"
## Destination bucket to write into.
bucket = "my_bucket"
`,
}, nil
},
},
wants: wants{
statusCode: http.StatusOK,
contentType: "application/octet-stream",
body: `# Configuration for telegraf agent
[agent]
## Default data collection interval for all inputs
interval = "10s"
## Rounds collection interval to 'interval'
## ie, if interval="10s" then always collect on :00, :10, :20, etc.
round_interval = true
## Telegraf will send metrics to outputs in batches of at most
## metric_batch_size metrics.
## This controls the size of writes that Telegraf sends to output plugins.
metric_batch_size = 1000
## For failed writes, telegraf will cache metric_buffer_limit metrics for each
## output, and will flush this buffer on a successful write. Oldest metrics
## are dropped first when this buffer fills.
## This buffer only fills when writes fail to output plugin(s).
metric_buffer_limit = 10000
## Collection jitter is used to jitter the collection by a random amount.
## Each plugin will sleep for a random time within jitter before collecting.
## This can be used to avoid many plugins querying things like sysfs at the
## same time, which can have a measurable effect on the system.
collection_jitter = "0s"
## Default flushing interval for all outputs. Maximum flush_interval will be
## flush_interval + flush_jitter
flush_interval = "10s"
## Jitter the flush interval by a random amount. This is primarily to avoid
## large write spikes for users running a large number of telegraf instances.
## ie, a jitter of 5s and interval 10s means flushes will happen every 10-15s
flush_jitter = "0s"
## By default or when set to "0s", precision will be set to the same
## timestamp order as the collection interval, with the maximum being 1s.
## ie, when interval = "10s", precision will be "1s"
## when interval = "250ms", precision will be "1ms"
## Precision will NOT be used for service inputs. It is up to each individual
## service input to set the timestamp at the appropriate precision.
## Valid time units are "ns", "us" (or "µs"), "ms", "s".
precision = ""
## Logging configuration:
## Run telegraf with debug log messages.
debug = false
## Run telegraf in quiet mode (error log messages only).
quiet = false
## Specify the log file name. The empty string means to log to stderr.
logfile = ""
## Override default hostname, if empty use os.Hostname()
hostname = ""
## If set to true, do no set the "host" tag in the telegraf agent.
omit_hostname = false
[[inputs.cpu]]
## Whether to report per-cpu stats or not
percpu = true
## Whether to report total system cpu stats or not
totalcpu = true
## If true, collect raw CPU time metrics.
collect_cpu_time = false
## If true, compute and report the sum of all non-idle CPU states.
report_active = false
[[outputs.influxdb_v2]]
## The URLs of the InfluxDB cluster nodes.
##
## Multiple URLs can be specified for a single cluster, only ONE of the
## urls will be written to each interval.
## urls exp: http://127.0.0.1:8086
urls = ["http://127.0.0.1:8086"]
## Token for authentication.
token = "no_more_secrets"
## Organization is the name of the organization you wish to write to; must exist.
organization = "my_org"
## Destination bucket to write into.
bucket = "my_bucket"
`,
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
tt.r.Header.Set("Accept", tt.acceptHeader)
w := httptest.NewRecorder()
telegrafBackend := NewMockTelegrafBackend(t)
telegrafBackend.TelegrafService = tt.svc
h := NewTelegrafHandler(zaptest.NewLogger(t), telegrafBackend)
h.ServeHTTP(w, tt.r)
res := w.Result()
content := res.Header.Get("Content-Type")
body, _ := ioutil.ReadAll(res.Body)
if res.StatusCode != tt.wants.statusCode {
t.Errorf("%q. handleGetTelegraf() = %v, want %v", tt.name, res.StatusCode, tt.wants.statusCode)
t.Logf("headers: %v", res.Header)
}
if tt.wants.contentType != "" && content != tt.wants.contentType {
t.Errorf("%q. handleGetTelegraf() = %v, want %v", tt.name, content, tt.wants.contentType)
return
}
if strings.Contains(tt.wants.contentType, "application/json") {
if eq, diff, _ := jsonEqual(string(body), tt.wants.body); tt.wants.body != "" && !eq {
t.Errorf("%q. handleGetTelegraf() = ***%s***", tt.name, diff)
}
} else if string(body) != tt.wants.body {
t.Errorf("%q. handleGetTelegraf() = \n***%v***\nwant\n***%v***", tt.name, string(body), tt.wants.body)
}
})
}
}
func Test_newTelegrafResponses(t *testing.T) {
type args struct {
tcs []*platform.TelegrafConfig
}
tests := []struct {
name string
args args
want string
}{
{
args: args{
tcs: []*platform.TelegrafConfig{
{
ID: platform2.ID(1),
OrgID: platform2.ID(2),
Name: "my config",
Description: "",
Config: "[[inputs.cpu]]\n[[outputs.influxdb_v2]]\n",
},
},
},
want: `{
"configurations": [
{
"id": "0000000000000001",
"orgID": "0000000000000002",
"name": "my config",
"config": "[[inputs.cpu]]\n[[outputs.influxdb_v2]]\n",
"labels": [],
"links": {
"self": "/api/v2/telegrafs/0000000000000001",
"labels": "/api/v2/telegrafs/0000000000000001/labels",
"members": "/api/v2/telegrafs/0000000000000001/members",
"owners": "/api/v2/telegrafs/0000000000000001/owners"
}
}
]
}`,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
ctx := context.Background()
res := newTelegrafResponses(ctx, tt.args.tcs, mock.NewLabelService())
got, err := json.Marshal(res)
if err != nil {
t.Fatalf("newTelegrafResponses() JSON marshal %v", err)
}
if eq, diff, _ := jsonEqual(string(got), tt.want); tt.want != "" && !eq {
t.Errorf("%q. newTelegrafResponses() = ***%s***", tt.name, diff)
}
})
}
}
func Test_newTelegrafResponse(t *testing.T) {
type args struct {
tc *platform.TelegrafConfig
}
tests := []struct {
name string
args args
want string
}{
{
args: args{
tc: &platform.TelegrafConfig{
ID: platform2.ID(1),
OrgID: platform2.ID(2),
Name: "my config",
Description: "my description",
Config: "[[inputs.cpu]]\n[[outputs.influxdb_v2]]\n",
},
},
want: `{
"id": "0000000000000001",
"orgID": "0000000000000002",
"name": "my config",
"description": "my description",
"config": "[[inputs.cpu]]\n[[outputs.influxdb_v2]]\n",
"labels": [],
"links": {
"self": "/api/v2/telegrafs/0000000000000001",
"labels": "/api/v2/telegrafs/0000000000000001/labels",
"members": "/api/v2/telegrafs/0000000000000001/members",
"owners": "/api/v2/telegrafs/0000000000000001/owners"
}
}`,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
res := newTelegrafResponse(tt.args.tc, []*platform.Label{})
got, err := json.Marshal(res)
if err != nil {
t.Fatalf("newTelegrafResponse() JSON marshal %v", err)
}
if eq, diff, _ := jsonEqual(string(got), tt.want); tt.want != "" && !eq {
fmt.Println(string(got))
t.Errorf("%q. newTelegrafResponse() = ***%s***", tt.name, diff)
}
})
}
}
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