diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..8f4f6db --- /dev/null +++ b/Dockerfile @@ -0,0 +1,23 @@ +FROM golang:alpine AS builder + +RUN apk add --quiet --no-cache build-base git + +WORKDIR /src + +ENV GO111MODULE=on + +ADD go.* ./ + +RUN go mod download + +ADD . . + +RUN cd cmd/selenosis && \ + go install -ldflags="-linkmode external -extldflags '-static' -s -w" + + +FROM scratch + +COPY --from=builder /go/bin/selenosis / + +ENTRYPOINT ["/selenosis"] \ No newline at end of file diff --git a/README.md b/README.md index 9280edd..74d2027 100644 --- a/README.md +++ b/README.md @@ -1,2 +1,437 @@ # selenosis -Scallable, stateless selenium hub for Kubernetes cluster +Scalable, stateless selenium hub for Kubernetes cluster. + +## Overview +### Available flags +``` +[user@host]# ./selenosis --help +Scallable, stateless selenium grid for Kubernetes cluster + +Usage: + selenosis [flags] + +Flags: + --port string port for selenosis (default ":4444") + --proxy-port string proxy continer port (default "4445") + --browsers-config string browsers config (default "config/browsers.yaml") + --namespace string kubernetes namespace (default "default") + --service-name string kubernetes service name for browsers (default "selenosis") + --browser-wait-timeout duration time in seconds that a browser will be ready (default 30s) + --session-wait-timeout duration time in seconds that a session will be ready (default 1m0s) + --session-iddle-timeout duration time in seconds that a session will iddle (default 5m0s) + --session-retry-count int session retry count (default 3) + --graceful-shutdown-timeout duration time in seconds gracefull shutdown timeout (default 5m0s) + -h, --help help for selenosis + +``` + +### Available endpoints +| Protocol | Endpoint | +|--------- |---------------------------- | +| HTTP | /wd/hub/session | +| HTTP | /wd/hub/session/{sessionId}/ | +| HTTP | /wd/hub/status | +| WS | /vnc/{sessionId} | +| WS/HTTP | /devtools/{sessionId} | +| HTTP | /download/{sessionId} | +| HTTP | /clipboard/{sessionId} | +
+ +## Configuration +Selenosis requires config to start browsers in K8 cluster. Config can be JSON or YAML file.
+Basic configuration be like (all fields in this example are mandatory): + +```json +{ + "chrome": { + "defaultVersion": "85.0", + "path": "/", + "versions": { + "85.0": { + "image": "selenoid/vnc:chrome:85.0" + }, + "86.0": { + "image": "selenoid/vnc:chrome:86.0" + } + } + }, + "firefox": { + "defaultVersion": "82.0", + "path": "/wd/hub", + "versions": { + "81.0": { + "image": "selenoid/vnc:firefox_81.0" + }, + "82.0": { + "image": "selenoid/vnc:firefox_82.0" + } + } + }, + + "opera" : { + "defaultVersion": "70.0", + "path": "/", + "versions": { + "70.0": { + "image": "selenoid/vnc:opera_70.0" + }, + "71.0": { + "image": "selenoid/vnc:opera_71.0" + } + } + } +} +``` +``` yaml +--- +chrome: + defaultVersion: "85.0" + path: "/" + versions: + '85.0': + image: selenoid/vnc:chrome:85.0 + '86.0': + image: selenoid/vnc:chrome:86.0 +firefox: + defaultVersion: "82.0" + path: "/wd/hub" + versions: + '81.0': + image: selenoid/vnc:firefox_81.0 + '82.0': + image: selenoid/vnc:firefox_82.0 +opera: + defaultVersion: "70.0" + path: "/" + versions: + '70.0': + image: selenoid/vnc:opera_70.0 + '71.0': + image: selenoid/vnc:opera_71.0 +``` + + +Browser name and browser version are taken from Selenium desired capabilities.
+ +Each browser can have default spec/annotations/labels, they will merged to all browsers listed in the versions section. + +``` json +{ + "chrome": { + "defaultVersion": "85.0", + "path": "/", + "meta": { + "labels": { + "environment": "aqa", + "app": "myCoolApp" + }, + "annotations": { + "build": "dev-v1.11.2", + "builder": "jenkins" + } + }, + "spec": { + "resources": { + "requests": { + "memory": "500Mi", + "cpu": "0.5" + }, + "limits": { + "memory": "1000Gi", + "cpu": "1" + } + }, + "hostAliases": [ + { + "ip": "127.0.0.1", + "hostnames": [ + "foo.local", + "bar.local" + ] + }, + { + "ip": "10.1.2.3", + "hostnames": [ + "foo.remote", + "bar.remote" + ] + } + ], + "env": [ + { + "name": "TZ", + "value": "Europe/Kiev" + }, + { + "name": "SCREEN_RESOLUTION", + "value": "1920x1080x24" + }, + { + "name": "ENABLE_VNC", + "value": "true" + } + ] + }, + "versions": { + "85.0": { + "image": "selenoid/vnc:chrome:85.0" + }, + "86.0": { + "image": "selenoid/vnc:chrome:86.0" + } + } + } +} +``` + +``` yaml +--- +chrome: + defaultVersion: "85.0" + path: "/" + meta: + labels: + environment: aqa + app: myCoolApp + annotations: + build: dev-v1.11.2 + builder: jenkins + spec: + resources: + requests: + memory: 500Mi + cpu: '0.5' + limits: + memory: 1000Gi + cpu: '1' + hostAliases: + - ip: 127.0.0.1 + hostnames: + - foo.local + - bar.local + - ip: 10.1.2.3 + hostnames: + - foo.remote + - bar.remote + env: + - name: TZ + value: Europe/Kiev + - name: SCREEN_RESOLUTION + value: 1920x1080x24 + - name: ENABLE_VNC + value: 'true' + versions: + '85.0': + image: selenoid/vnc:chrome:85.0 + '86.0': + image: selenoid/vnc:chrome:86.0 +``` +You can override default browser spec/annotation/labels by providing individual spec/annotation/labels to browser version +``` json +{ + "chrome": { + "defaultVersion": "85.0", + "path": "/", + "meta": { + "labels": { + "environment": "aqa", + "app": "myCoolApp" + }, + "annotations": { + "build": "dev-v1.11.2", + "builder": "jenkins" + } + }, + "spec": { + "resources": { + "requests": { + "memory": "500Mi", + "cpu": "0.5" + }, + "limits": { + "memory": "1000Gi", + "cpu": "1" + } + }, + "hostAliases": [ + { + "ip": "127.0.0.1", + "hostnames": [ + "foo.local", + "bar.local" + ] + }, + { + "ip": "10.1.2.3", + "hostnames": [ + "foo.remote", + "bar.remote" + ] + } + ], + "env": [ + { + "name": "TZ", + "value": "Europe/Kiev" + }, + { + "name": "SCREEN_RESOLUTION", + "value": "1920x1080x24" + }, + { + "name": "ENABLE_VNC", + "value": "true" + } + ] + }, + "versions": { + "85.0": { + "image": "selenoid/vnc:chrome:85.0", + "spec": { + "resources": { + "requests": { + "memory": "750Mi", + "cpu": "0.5" + }, + "limits": { + "memory": "1500Gi", + "cpu": "1" + } + } + } + }, + "86.0": { + "image": "selenoid/vnc:chrome:86.0", + "spec": { + "hostAliases": [ + { + "ip": "127.0.0.1", + "hostnames": [ + "bla-bla.com" + ] + } + ] + }, + "meta": { + "labels": { + "environment": "dev", + "app": "veryCoolApp" + } + } + } + } + } +} +``` +``` yaml +--- +chrome: + defaultVersion: "85.0" + path: "/" + meta: + labels: + environment: aqa + app: myCoolApp + annotations: + build: dev-v1.11.2 + builder: jenkins + spec: + resources: + requests: + memory: 500Mi + cpu: '0.5' + limits: + memory: 1000Gi + cpu: '1' + hostAliases: + - ip: 127.0.0.1 + hostnames: + - foo.local + - bar.local + - ip: 10.1.2.3 + hostnames: + - foo.remote + - bar.remote + env: + - name: TZ + value: Europe/Kiev + - name: SCREEN_RESOLUTION + value: 1920x1080x24 + - name: ENABLE_VNC + value: 'true' + versions: + '85.0': + image: selenoid/vnc:chrome:85.0 + spec: + resources: + requests: + memory: 750Mi + cpu: '0.5' + limits: + memory: 1500Gi + cpu: '1' + '86.0': + image: selenoid/vnc:chrome:86.0 + spec: + hostAliases: + - ip: 127.0.0.1 + hostnames: + - bla-bla.com + meta: + labels: + environment: dev + app: veryCoolApp + +``` +## Deployment +Files and steps required for selenosis deployment available in [selenosis-deploy](https://github.com/alcounit/selenosis-deploy) repository + + ## Run yout tests + ``` java + DesiredCapabilities capabilities = new DesiredCapabilities(); +capabilities.setBrowserName("chrome"); +capabilities.setVersion("85.0"); +capabilities.setCapability("enableVNC", true); +capabilities.setCapability("enableVideo", false); + +RemoteWebDriver driver = new RemoteWebDriver( + URI.create("http://:/wd/hub").toURL(), + capabilities +); + ``` + ``` python +from selenium import webdriver + +capabilities = { + "browserName": "chrome", + "version": "85.0", + "enableVNC": True, + "enableVideo": False +} + +driver = webdriver.Remote( + command_executor="http://:/wd/hub", + desired_capabilities=capabilities) + ``` + +## Features +### Scalability +By default selenosis starts with 2 replica sets. To change it, edit selenosis deployment file: 03-selenosis.yaml +``` yaml + +apiVersion: apps/v1beta1 +kind: Deployment +metadata: + name: selenosis + namespace: selenosis +spec: + replicas: 2 + selector: +... +``` + +### Stateless +Selenosis doesn't store any session info. All connections to the browsers are automatically assigned via headless service. + +### Hot config reload +Once you decide to update in browsers config \ No newline at end of file diff --git a/cmd/selenosis/main.go b/cmd/selenosis/main.go new file mode 100644 index 0000000..ea05e92 --- /dev/null +++ b/cmd/selenosis/main.go @@ -0,0 +1,190 @@ +package main + +import ( + "context" + "log" + "net/http" + "os" + "os/signal" + "path/filepath" + "sync" + "syscall" + "time" + + "github.com/alcounit/selenosis" + "github.com/alcounit/selenosis/config" + "github.com/alcounit/selenosis/platform" + "github.com/fsnotify/fsnotify" + "github.com/gorilla/mux" + "github.com/sirupsen/logrus" + "github.com/spf13/cobra" + "golang.org/x/net/websocket" +) + +//Command ... +func command() *cobra.Command { + + var ( + cfgFile string + address string + proxyPort string + namespace string + service string + sessionRetryCount int + limit int + browserWaitTimeout time.Duration + sessionWaitTimeout time.Duration + sessionIddleTimeout time.Duration + shutdownTimeout time.Duration + ) + + cmd := &cobra.Command{ + Use: "selenosis", + Short: "Scallable, stateless selenium grid for Kubernetes cluster", + Run: func(cmd *cobra.Command, args []string) { + + logger := logrus.New() + logger.Info("starting selenosis") + + browsers, err := config.NewBrowsersConfig(cfgFile) + if err != nil { + logger.Fatalf("failed to read config: %v", err) + } + + logger.Info("browsers config file loaded") + + go runConfigWatcher(logger, cfgFile, browsers) + + logger.Info("config watcher started") + + client, err := platform.NewClient(platform.ClientConfig{ + Namespace: namespace, + Service: service, + ReadinessTimeout: browserWaitTimeout, + IddleTimeout: sessionIddleTimeout, + ServicePort: proxyPort, + }) + + if err != nil { + logger.Fatalf("failed to create kubernetes client: %v", err) + } + + logger.Info("kubernetes client created") + + hostname, _ := os.Hostname() + + app := selenosis.New(logger, client, browsers, selenosis.Configuration{ + SelenosisHost: hostname, + ServiceName: service, + SidecarPort: proxyPort, + SessionLimit: limit, + SessionRetryCount: sessionRetryCount, + BrowserWaitTimeout: browserWaitTimeout, + SessionIddleTimeout: sessionIddleTimeout, + }) + + router := mux.NewRouter() + router.HandleFunc("/wd/hub/session", app.HandleSession).Methods(http.MethodPost) + router.PathPrefix("/wd/hub/session/{sessionId}").HandlerFunc(app.HandleProxy) + router.HandleFunc("/wd/hub/status", app.HadleHubStatus).Methods(http.MethodGet) + router.PathPrefix("/vnc/{sessionId}").Handler(websocket.Handler(app.HandleVNC())) + router.PathPrefix("/logs/{sessionId}").Handler(websocket.Handler(app.HandleLogs())) + router.PathPrefix("/devtools/{sessionId}").HandlerFunc(app.HandleReverseProxy) + router.PathPrefix("/download/{sessionId}").HandlerFunc(app.HandleReverseProxy) + router.PathPrefix("/clipboard/{sessionId}").HandlerFunc(app.HandleReverseProxy) + router.PathPrefix("/status").HandlerFunc(app.HandleStatus) + + srv := &http.Server{ + Addr: address, + Handler: router, + } + + stop := make(chan os.Signal, 1) + signal.Notify(stop, os.Interrupt, syscall.SIGTERM) + + e := make(chan error) + go func() { + e <- srv.ListenAndServe() + }() + + select { + case err := <-e: + logger.Fatalf("failed to start selenosis: %v", err) + case <-stop: + logger.Warn("stopping selenosis") + } + + ctx, cancel := context.WithTimeout(context.Background(), shutdownTimeout) + defer cancel() + + if err := srv.Shutdown(ctx); err != nil { + logger.Fatalf("faled to stop selenosis", err) + } + }, + } + + cmd.Flags().StringVar(&address, "port", ":4444", "port for selenosis") + cmd.Flags().StringVar(&proxyPort, "proxy-port", "4445", "proxy continer port") + cmd.Flags().StringVar(&cfgFile, "browsers-config", "./config/browsers.yaml", "browsers config") + cmd.Flags().IntVar(&limit, "browser-limit", 10, "active sessions max limit") + cmd.Flags().StringVar(&namespace, "namespace", "default", "kubernetes namespace") + cmd.Flags().StringVar(&service, "service-name", "selenosis", "kubernetes service name for browsers") + cmd.Flags().DurationVar(&browserWaitTimeout, "browser-wait-timeout", 30*time.Second, "time in seconds that a browser will be ready") + cmd.Flags().DurationVar(&sessionWaitTimeout, "session-wait-timeout", 60*time.Second, "time in seconds that a session will be ready") + cmd.Flags().DurationVar(&sessionIddleTimeout, "session-iddle-timeout", 5*time.Minute, "time in seconds that a session will iddle") + cmd.Flags().IntVar(&sessionRetryCount, "session-retry-count", 3, "session retry count") + cmd.Flags().DurationVar(&shutdownTimeout, "graceful-shutdown-timeout", 30*time.Second, "time in seconds gracefull shutdown timeout") + cmd.Flags().SortFlags = false + + return cmd +} + +func runConfigWatcher(logger *logrus.Logger, filename string, config *config.BrowsersConfig) { + wg := sync.WaitGroup{} + wg.Add(1) + go func() { + watcher, err := fsnotify.NewWatcher() + if err != nil { + log.Fatalf("failed to create watcher: %v", err) + } + defer watcher.Close() + + configFile := filepath.Clean(filename) + configDir, _ := filepath.Split(configFile) + realConfigFile, _ := filepath.EvalSymlinks(filename) + + done := make(chan bool) + go func() { + for { + select { + case event := <-watcher.Events: + currentConfigFile, _ := filepath.EvalSymlinks(filename) + if (filepath.Clean(event.Name) == configFile && + (event.Op&fsnotify.Write == fsnotify.Write || event.Op&fsnotify.Create == fsnotify.Create)) || + (currentConfigFile != "" && currentConfigFile != realConfigFile) { + + realConfigFile = currentConfigFile + err := config.Reload() + if err != nil { + logger.Errorf("config reload failed: %v", err) + } else { + logger.Infof("config %s reloaded", configFile) + } + } + case err := <-watcher.Errors: + logger.Errorf("config watcher error: %v", err) + } + } + }() + watcher.Add(configDir) + wg.Done() + <-done + }() + wg.Wait() +} + +func main() { + if err := command().Execute(); err != nil { + os.Exit(1) + } +} diff --git a/config/browsers.json b/config/browsers.json new file mode 100644 index 0000000..76f2632 --- /dev/null +++ b/config/browsers.json @@ -0,0 +1,126 @@ +{ + "chrome": { + "path": "/", + "defaultVersion": "68.0", + "meta": { + "labels": { + "environment": "production", + "app": "projectx" + }, + "annotations": { + "key1" : "value1", + "key2" : "value2" + } + }, + "spec": { + "resources": { + "requests": { + "memory": "500Mi", + "cpu": "0.5" + }, + "limits": { + "memory": "1000Gi", + "cpu": "1" + } + }, + "hostAliases": [ + { + "ip": "127.0.0.1", + "hostnames": [ + "foo.local", + "bar.local" + ] + }, + { + "ip": "10.1.2.3", + "hostnames": [ + "foo.remote", + "bar.remote" + ] + } + ], + "env": [ + { + "name": "TZ", + "value": "Europe/Kiev" + }, + { + "name": "SCREEN_RESOLUTION", + "value": "1920x1080x24" + }, + { + "name": "ENABLE_VNC", + "value": "true" + } + ], + "nodeSelector": { + "nodeType": "N2D" + } + }, + "versions": { + "68.0": { + "image": "selenoid/vnc:chrome_68.0", + "meta": { + "labels": { + "environment": "qa" + } + }, + "spec": { + "resources": { + "requests": { + "memory": "1000Mi", + "cpu": "0.5" + }, + "limits": { + "memory": "1500Gi", + "cpu": "1.5" + } + } + } + }, + "86.0": { + "image": "selenoid/vnc:chrome_86.0", + "meta": { + "labels": { + "environment": "dev" + } + }, + "spec": { + "resources": { + "requests": { + "memory": "1000Mi", + "cpu": "0.5" + }, + "limits": { + "memory": "1500Gi", + "cpu": "1.5" + } + } + } + } + } + }, + "firefox": { + "defaultVersion": "0", + "path": "/wd/hub", + "versions": { + "45.0": { + "image": "selenoid/vnc:firefox_45.0" + }, + "47.0": { + "image": "selenoid/vnc:firefox_47.0" + } + } + }, + "opera": { + "path": "/", + "versions": { + "66.0": { + "image": "selenoid/vnc:opera_66.0" + }, + "71.0": { + "image": "selenoid/vnc:opera_71.0" + } + } + } +} \ No newline at end of file diff --git a/config/browsers.yaml b/config/browsers.yaml new file mode 100644 index 0000000..038cb98 --- /dev/null +++ b/config/browsers.yaml @@ -0,0 +1,76 @@ +--- + chrome: + defaultVersion: "68.0" + path: / + meta: + labels: + environment: production + app: projectx + spec: + resources: + requests: + memory: "500Mi" + cpu: "0.5" + limits: + memory: "1000Gi" + cpu: "1" + hostAliases: + - ip: "127.0.0.1" + hostnames: + - "foo.local" + - "bar.local" + - ip: "10.1.2.3" + hostnames: + - "foo.remote" + - "bar.remote" + env: + - name: TZ + value: Europe/Kiev + - name: SCREEN_RESOLUTION + value: 1920x1080x24 + - name: ENABLE_VNC + value: 'true' + nodeSelector: + nodeType: N2D + versions: + '68.0': + image: selenoid/vnc:chrome_68.0 + meta: + labels: + environment: qa + spec: + resources: + requests: + memory: "1000Mi" + cpu: "0.5" + limits: + memory: "1500Gi" + cpu: "1.5" + '86.0': + image: selenoid/vnc:chrome_86.0 + meta: + labels: + environment: dev + spec: + resources: + requests: + memory: "1000Mi" + cpu: "0.5" + limits: + memory: "1500Gi" + cpu: "1.5" + firefox: + defaultVersion: 0 + path : /wd/hub + versions: + '45.0': + image: selenoid/vnc:firefox_45.0 + '47.0': + image: selenoid/vnc:firefox_45.0 + opera: + path : / + versions: + '66.0': + image: selenoid/vnc:opera_66.0 + '71.0': + image: selenoid/vnc:opera_71.0 \ No newline at end of file diff --git a/config/config.go b/config/config.go new file mode 100644 index 0000000..64a288f --- /dev/null +++ b/config/config.go @@ -0,0 +1,138 @@ +package config + +import ( + "bytes" + "fmt" + "io/ioutil" + "sync" + + "k8s.io/apimachinery/pkg/util/yaml" + + "github.com/alcounit/selenosis/platform" + "github.com/imdario/mergo" +) + +//Layout ... +type Layout struct { + DefaultSpec platform.Spec `yaml:"spec" json:"spec"` + Meta platform.Meta `yaml:"meta" json:"meta"` + Path string `yaml:"path" json:"path"` + DefaultVersion string `yaml:"defaultVersion" json:"defaultVersion"` + Versions map[string]*platform.BrowserSpec `yaml:"versions" json:"versions"` +} + +//BrowsersConfig ... +type BrowsersConfig struct { + configFile string + lock sync.RWMutex + containers map[string]*Layout +} + +//NewBrowsersConfig returns parced browsers config from JSON or YAML file. +func NewBrowsersConfig(configFile string) (*BrowsersConfig, error) { + layouts, err := readConfig(configFile) + if err != nil { + return nil, fmt.Errorf("failed to read config: %v", err) + } + + return &BrowsersConfig{ + configFile: configFile, + containers: layouts, + }, nil +} + +//Reload ... +func (cfg *BrowsersConfig) Reload() error { + cfg.lock.Lock() + defer cfg.lock.Unlock() + + layouts, err := readConfig(cfg.configFile) + if err != nil { + return fmt.Errorf("failed to read config: %v", err) + } + + cfg.containers = layouts + return nil +} + +//Find return Container if it present in config +func (cfg *BrowsersConfig) Find(name, version string) (*platform.BrowserSpec, error) { + cfg.lock.Lock() + defer cfg.lock.Unlock() + c, ok := cfg.containers[name] + if !ok { + return nil, fmt.Errorf("unknown browser name %s", name) + } + + v, ok := c.Versions[version] + + if !ok { + if c.DefaultVersion != "" { + v, ok = c.Versions[c.DefaultVersion] + if !ok { + return nil, fmt.Errorf("unknown browser version %s", version) + } + return v, nil + } + return nil, fmt.Errorf("unknown browser version %s", version) + } + + return v, nil +} + +//GetBrowserVersions ... +func (cfg *BrowsersConfig) GetBrowserVersions() map[string][]string { + cfg.lock.Lock() + defer cfg.lock.Unlock() + + browsers := make(map[string][]string) + + for name, layout := range cfg.containers { + versions := make([]string, 0) + for version := range layout.Versions { + versions = append(versions, version) + } + browsers[name] = versions + } + + return browsers +} + +func readConfig(configFile string) (map[string]*Layout, error) { + content, err := ioutil.ReadFile(configFile) + if err != nil { + return nil, fmt.Errorf("read error: %v", err) + } + + layouts := make(map[string]*Layout) + decoder := yaml.NewYAMLOrJSONDecoder(bytes.NewReader(content), 1000) + + if err := decoder.Decode(&layouts); err != nil { + return nil, fmt.Errorf("parse error: %v", err) + } + + if len(layouts) == 0 { + return nil, fmt.Errorf("empty config: %v", err) + } + + for _, layout := range layouts { + spec := layout.DefaultSpec + for _, container := range layout.Versions { + container.Path = layout.Path + container.Meta.Annotations = merge(container.Meta.Annotations, layout.Meta.Annotations) + container.Meta.Labels = merge(container.Meta.Labels, layout.Meta.Labels) + + if err := mergo.Merge(&container.Spec, spec); err != nil { + return nil, fmt.Errorf("merge error %v", err) + } + } + } + return layouts, nil +} + +func merge(from, to map[string]string) map[string]string { + for k, v := range from { + to[k] = v + } + return to +} diff --git a/config/config_test.go b/config/config_test.go new file mode 100644 index 0000000..d385e40 --- /dev/null +++ b/config/config_test.go @@ -0,0 +1,267 @@ +package config + +import ( + "errors" + "io/ioutil" + "log" + "os" + "testing" + + "github.com/stretchr/testify/assert" +) + +func TestConfigFileData(t *testing.T) { + + tests := map[string]struct { + data string + config string + err error + }{ + "verify empty JSON config is not allowed": { + data: ``, + config: "browsers.json", + err: errors.New("failed to read config: parse error: EOF"), + }, + "verify empty YAML config is not allowed": { + data: ``, + config: "browsers.yaml", + err: errors.New("failed to read config: parse error: EOF"), + }, + "verify invalid characters not allowed for JSON config": { + data: `{ + "chrome": { + "path": "/", + "spec": { + "resources": { + "requests": { + "memory": "500Mi", + "cpu": "0.5"`, + config: "browsers.json", + err: errors.New("failed to read config: parse error: unexpected EOF"), + }, + "verify invalid characters not allowed for YAML config": { + data: `--- + chrome: + spec: + resources: + cpu: 500m + memory: 1Gi + hostAliases:`, + config: "browsers.yaml", + err: errors.New("failed to read config: parse error: error converting YAML to JSON: yaml: line 2: found character that cannot start any token"), + }, + "verify empty JSON config is allowed ": { + data: `{}`, + config: "browsers.json", + err: errors.New("failed to read config: empty config: "), + }, + "verify empty YAML config is allowed ": { + data: `---`, + config: "browsers.yaml", + err: errors.New("failed to read config: empty config: "), + }, + } + + for name, test := range tests { + t.Logf("TC: %s", name) + f := configfile(test.data, test.config) + defer os.Remove(f) + _, err := NewBrowsersConfig(f) + assert.Equal(t, test.err, err) + } +} + +func TestConfigFile(t *testing.T) { + + var empty string + + tests := map[string]struct { + data string + err error + }{ + "verify config file not exist": { + data: empty, + err: errors.New("failed to read config: read error: open : The system cannot find the file specified."), + }, + } + + for name, test := range tests { + t.Logf("TC: %s", name) + _, err := NewBrowsersConfig(test.data) + assert.Equal(t, test.err, err) + } +} + +func TestConfig(t *testing.T) { + + tests := map[string]struct { + data string + err error + }{ + "verify yaml config file": { + data: "browsers.yaml", + err: nil, + }, + "verify json config file": { + data: "browsers.json", + err: nil, + }, + } + + for name, test := range tests { + t.Logf("TC: %s", name) + _, err := NewBrowsersConfig(test.data) + assert.Equal(t, test.err, err) + } +} + +func TestConfigSearch(t *testing.T) { + tests := map[string]struct { + browserName string + browserVersion string + defaultVersion string + config string + err error + }{ + "verify empty browser name input for JSON config file": { + browserVersion: "68.0", + config: "browsers.json", + err: errors.New("unknown browser name "), + }, + "verify empty browser name input for YAML config file": { + browserVersion: "68.0", + config: "browsers.yaml", + err: errors.New("unknown browser name "), + }, + "verify empty browser version for JSON config file": { + browserName: "chrome", + config: "browsers.json", + err: nil, + }, + "verify empty browser version for YAML config file": { + browserName: "chrome", + config: "browsers.yaml", + err: nil, + }, + "verify non existing browser name for JSON config file": { + browserName: "amigo", + config: "browsers.json", + err: errors.New("unknown browser name amigo"), + }, + "verify non existing browser name for YAML config file": { + browserName: "amigo", + config: "browsers.yaml", + err: errors.New("unknown browser name amigo"), + }, + "verify non existing browser version for JSON config file": { + browserName: "chrome", + browserVersion: "0.1", + config: "browsers.json", + err: nil, + }, + "verify non existing browser version for YAML config file": { + browserName: "chrome", + browserVersion: "0.1", + config: "browsers.yaml", + err: nil, + }, + "verify no error if correct data provided for JSON config file": { + browserName: "chrome", + browserVersion: "68.0", + config: "browsers.json", + err: nil, + }, + "verify no error if correct data provided for YAML config file": { + browserName: "chrome", + browserVersion: "68.0", + config: "browsers.yaml", + err: nil, + }, + "verify no error if default version = correct and requested version = correct YAML config file": { + browserName: "chrome", + defaultVersion: "68.0", + browserVersion: "69.0", + config: "browsers.yaml", + err: nil, + }, + "verify no error if default version = correct and requested version = correct for YAML config file": { + browserName: "chrome", + defaultVersion: "68.0", + browserVersion: "69.0", + config: "browsers.yaml", + err: nil, + }, + "verify non existing browser version error when default version != correct and requested version != correct YAML config file": { + browserName: "firefox", + defaultVersion: ".0", + browserVersion: "35.0", + config: "browsers.yaml", + err: errors.New("unknown browser version 35.0"), + }, + "verify non existing browser version error when default version != correct and requested version != correct for YAML config file": { + browserName: "firefox", + defaultVersion: ".0", + browserVersion: "35.0", + config: "browsers.yaml", + err: errors.New("unknown browser version 35.0"), + }, + "verify non existing browser version error when default version == \"\" and requested version != correct YAML config file": { + browserName: "opera", + browserVersion: "75.0", + config: "browsers.yaml", + err: errors.New("unknown browser version 75.0"), + }, + "verify non existing browser version error when default version == \"\" and requested version != correct for YAML config file": { + browserName: "opera", + browserVersion: "75.0", + config: "browsers.yaml", + err: errors.New("unknown browser version 75.0"), + }, + } + + for name, test := range tests { + t.Logf("TC: %s", name) + c, err := NewBrowsersConfig(test.config) + if err != nil { + t.Errorf("error loading config %v", err) + } + _, err = c.Find(test.browserName, test.browserVersion) + assert.Equal(t, test.err, err) + } + +} + +func TestMapMerge(t *testing.T) { + tests := map[string]struct { + from map[string]string + to map[string]string + expected map[string]string + }{ + "Verify map merge": { + from: map[string]string{"key1": "value1", "key2": "value2", "key3": "value3"}, + to: map[string]string{"key3": "value11", "key4": "value4"}, + expected: map[string]string{"key1": "value1", "key2": "value2", "key3": "value3", "key4": "value4"}, + }, + } + for name, test := range tests { + t.Logf("TC: %s", name) + result := merge(test.from, test.to) + assert.Equal(t, test.expected, result) + } +} + +func configfile(data string, config string) string { + tmp, err := ioutil.TempFile("", config) + if err != nil { + log.Fatal(err) + } + _, err = tmp.Write([]byte(data)) + if err != nil { + log.Fatal(err) + } + err = tmp.Close() + if err != nil { + log.Fatal(err) + } + return tmp.Name() +} diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..231b7a2 --- /dev/null +++ b/go.mod @@ -0,0 +1,19 @@ +module github.com/alcounit/selenosis + +go 1.14 + +require ( + github.com/fsnotify/fsnotify v1.4.9 + github.com/google/uuid v1.1.2 + github.com/gorilla/mux v1.8.0 + github.com/imdario/mergo v0.3.11 + github.com/sirupsen/logrus v1.7.0 + github.com/spf13/cobra v1.1.1 + github.com/stretchr/testify v1.6.1 + golang.org/x/net v0.0.0-20201029055024-942e2f445f3c + gotest.tools v2.2.0+incompatible + k8s.io/api v0.19.3 + k8s.io/apimachinery v0.19.3 + k8s.io/client-go v0.19.3 + k8s.io/utils v0.0.0-20201027101359-01387209bb0d +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..0c60b43 --- /dev/null +++ b/go.sum @@ -0,0 +1,522 @@ +cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU= +cloud.google.com/go v0.44.1/go.mod 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+import ( + "bytes" + "context" + "encoding/json" + "fmt" + "io" + "io/ioutil" + "net" + "net/http" + "net/http/httputil" + "regexp" + "strings" + "time" + + "github.com/alcounit/selenosis/platform" + "github.com/alcounit/selenosis/selenium" + "github.com/alcounit/selenosis/tools" + "github.com/google/uuid" + "github.com/gorilla/mux" + "github.com/imdario/mergo" + "github.com/sirupsen/logrus" + "golang.org/x/net/websocket" +) + +var ( + httpClient = &http.Client{ + CheckRedirect: func(req *http.Request, via []*http.Request) error { + return http.ErrUseLastResponse + }, + } +) + +//HandleSession ... +func (app *App) HandleSession(w http.ResponseWriter, r *http.Request) { + start := time.Now() + logger := app.logger.WithFields(logrus.Fields{ + "request_id": uuid.New(), + "request": fmt.Sprintf("%s %s", r.Method, r.URL.Path), + }) + + l, err := app.client.List() + if err != nil { + logger.Errorf("failed to get active session list: %v", err) + tools.JSONError(w, "Failed to get browsers list", http.StatusInternalServerError) + return + } + + if len(l) >= app.sessionLimit { + logger.Warnf("active session limit reached: total %d, limit %d", len(l), app.sessionLimit) + tools.JSONError(w, "session limit reached", http.StatusInternalServerError) + return + } + + logger.WithField("time_elapsed", tools.TimeElapsed(start)).Info("session") + + body, err := ioutil.ReadAll(r.Body) + if err != nil { + logger.WithField("time_elapsed", tools.TimeElapsed(start)).Errorf("failed to read request body: %v", err) + tools.JSONError(w, err.Error(), http.StatusBadRequest) + return + } + defer r.Body.Close() + + type request struct { + DesiredCapabilities selenium.Capabilities `json:"desiredCapabilities"` + Capabilities struct { + AlwaysMatch selenium.Capabilities `json:"alwaysMatch"` + FirstMatch []*selenium.Capabilities `json:"firstMatch"` + } `json:"capabilities"` + } + + caps := request{} + err = json.Unmarshal(body, &caps) + if err != nil { + logger.WithField("time_elapsed", tools.TimeElapsed(start)).Errorf("failed to parse request: %v", err) + tools.JSONError(w, err.Error(), http.StatusBadRequest) + return + } + + caps.DesiredCapabilities.ValidateCapabilities() + caps.Capabilities.AlwaysMatch.ValidateCapabilities() + + if caps.DesiredCapabilities.BrowserName != "" && caps.Capabilities.AlwaysMatch.BrowserName != "" { + caps.DesiredCapabilities = caps.Capabilities.AlwaysMatch + } + + firstMatchCaps := caps.Capabilities.FirstMatch + if len(firstMatchCaps) == 0 { + firstMatchCaps = append(firstMatchCaps, &selenium.Capabilities{}) + } + + var browser *platform.BrowserSpec + var capabilities selenium.Capabilities + + for _, first := range firstMatchCaps { + capabilities = caps.DesiredCapabilities + mergo.Merge(&capabilities, first) + capabilities.ValidateCapabilities() + + browser, err = app.browsers.Find(capabilities.BrowserName, capabilities.BrowserVersion) + if err == nil { + break + } + } + + if err != nil { + logger.WithField("time_elapsed", tools.TimeElapsed(start)).Errorf("requested browser not found: %v", err) + tools.JSONError(w, err.Error(), http.StatusBadRequest) + return + } + + image := parseImage(browser.Image) + template := &platform.ServiceSpec{ + SessionID: fmt.Sprintf("%s-%s", image, uuid.New()), + RequestedCapabilities: capabilities, + Template: browser, + } + + logger.WithField("time_elapsed", tools.TimeElapsed(start)).Infof("starting browser from image: %s", template.Template.Image) + + service, err := app.client.Create(template) + if err != nil { + logger.WithField("time_elapsed", tools.TimeElapsed(start)).Errorf("failed to start browser: %v", err) + tools.JSONError(w, err.Error(), http.StatusBadRequest) + return + } + + cancel := func() { + service.CancelFunc() + } + + var resp *http.Response + + service.URL.Path = r.URL.Path + + i := 1 + for ; ; i++ { + req, _ := http.NewRequest(http.MethodPost, service.URL.String(), bytes.NewReader(body)) + req.Header.Set("X-Forwarded-Selenosis", app.selenosisHost) + ctx, done := context.WithTimeout(r.Context(), app.browserWaitTimeout) + rsp, err := httpClient.Do(req.WithContext(ctx)) + defer done() + select { + case <-ctx.Done(): + if rsp != nil { + rsp.Body.Close() + } + switch ctx.Err() { + case context.DeadlineExceeded: + logger.WithField("time_elapsed", tools.TimeElapsed(start)).Warn("session attempt timeout") + if i < app.sessionRetryCount { + continue + } + logger.WithField("time_elapsed", tools.TimeElapsed(start)).Warn("service is not ready") + tools.JSONError(w, "New session attempts retry count exceeded", http.StatusInternalServerError) + case context.Canceled: + logger.WithField("time_elapsed", tools.TimeElapsed(start)).Warn("Client disconnected") + } + cancel() + return + default: + } + if err != nil { + logger.WithField("time_elapsed", tools.TimeElapsed(start)).Errorf("session failed: %v", err) + tools.JSONError(w, "New session attempts retry count exceeded", http.StatusInternalServerError) + cancel() + return + } + if rsp.StatusCode == http.StatusNotFound { + continue + } + resp = rsp + break + } + + defer resp.Body.Close() + + var msg map[string]interface{} + err = json.NewDecoder(resp.Body).Decode(&msg) + if err != nil { + cancel() + logger.WithField("time_elapsed", tools.TimeElapsed(start)).Errorf("unable to read service response: %v", err) + tools.JSONError(w, "Failed to read service response", http.StatusInternalServerError) + return + } + + w.Header().Set("Content-Type", "application/json") + w.WriteHeader(resp.StatusCode) + json.NewEncoder(w).Encode(msg) + + logger.WithField("time_elapsed", tools.TimeElapsed(start)).Infof("browser sessionId: %s", service.SessionID) + +} + +//HandleProxy ... +func (app *App) HandleProxy(w http.ResponseWriter, r *http.Request) { + vars := mux.Vars(r) + sessionID := vars["sessionId"] + host := tools.BuildHostPort(sessionID, app.serviceName, app.sidecarPort) + + logger := app.logger.WithFields(logrus.Fields{ + "request_id": uuid.New(), + "session_id": sessionID, + "request": fmt.Sprintf("%s %s", r.Method, r.URL.Path), + }) + + (&httputil.ReverseProxy{ + Director: func(r *http.Request) { + r.URL.Scheme = "http" + r.Host = host + r.URL.Host = host + r.Header.Set("X-Forwarded-Selenosis", app.selenosisHost) + logger.Info("proxying session") + }, + ErrorHandler: func(w http.ResponseWriter, r *http.Request, err error) { + logger.Errorf("proxying session error: %v", err) + w.WriteHeader(http.StatusBadGateway) + }, + }).ServeHTTP(w, r) + +} + +//HadleHubStatus ... +func (app *App) HadleHubStatus(w http.ResponseWriter, r *http.Request) { + logger := app.logger.WithFields(logrus.Fields{ + "request_id": uuid.New(), + "request": fmt.Sprintf("%s %s", r.Method, r.URL.Path), + }) + + w.Header().Set("Content-Type", "application/json") + + l, err := app.client.List() + if err != nil { + logger.Errorf("hub status: %v", err) + tools.JSONError(w, "Failed to get browsers list", http.StatusInternalServerError) + } + + json.NewEncoder(w).Encode( + map[string]interface{}{ + "value": map[string]interface{}{ + "message": "selenosis up and running", + "ready": len(l), + }, + }) + + logger.WithField("active_sessions", len(l)).Infof("hub status") +} + +//HandleReverseProxy ... +func (app *App) HandleReverseProxy(w http.ResponseWriter, r *http.Request) { + vars := mux.Vars(r) + sessionID := vars["sessionId"] + fragments := strings.Split(r.URL.Path, "/") + logger := app.logger.WithFields(logrus.Fields{ + "request_id": uuid.New(), + "session_id": sessionID, + "request": fmt.Sprintf("%s %s", r.Method, r.URL.Path), + }) + + (&httputil.ReverseProxy{ + Director: func(r *http.Request) { + r.URL.Scheme = "http" + r.URL.Host = tools.BuildHostPort(sessionID, app.serviceName, app.sidecarPort) + r.Header.Set("X-Forwarded-Selenosis", app.selenosisHost) + logger.Infof("proxying %s", fragments[1]) + }, + ErrorHandler: func(w http.ResponseWriter, r *http.Request, err error) { + logger.Errorf("%s proxying error: %v", fragments[1], err) + w.WriteHeader(http.StatusBadGateway) + }, + }).ServeHTTP(w, r) +} + +//HandleVNC ... +func (app *App) HandleVNC() websocket.Handler { + return func(wsconn *websocket.Conn) { + defer wsconn.Close() + + vars := mux.Vars(wsconn.Request()) + sessionID := vars["sessionId"] + + logger := app.logger.WithFields(logrus.Fields{ + "request_id": uuid.New(), + "session_id": sessionID, + "request": fmt.Sprintf("%s %s", wsconn.Request().Method, wsconn.Request().URL.Path), + }) + + host := tools.BuildHostPort(sessionID, app.serviceName, "5900") + logger.Infof("vnc request: %s", host) + + var dialer net.Dialer + conn, err := dialer.DialContext(wsconn.Request().Context(), "tcp", host) + if err != nil { + logger.Errorf("vnc connection error: %v", err) + } + defer conn.Close() + wsconn.PayloadType = websocket.BinaryFrame + + go func() { + io.Copy(wsconn, conn) + wsconn.Close() + logger.Errorf("vnc connection closed") + }() + io.Copy(conn, wsconn) + logger.Errorf("vnc client disconnected") + } +} + +//HandleLogs ... +func (app *App) HandleLogs() websocket.Handler { + return func(wsconn *websocket.Conn) { + defer wsconn.Close() + + vars := mux.Vars(wsconn.Request()) + sessionID := vars["sessionId"] + + logger := app.logger.WithFields(logrus.Fields{ + "request_id": uuid.New(), + "session_id": sessionID, + "request": fmt.Sprintf("%s %s", wsconn.Request().Method, wsconn.Request().URL.Path), + }) + + logger.Infof("stream logs request: %s", fmt.Sprintf("%s.%s", sessionID, app.serviceName)) + + r, err := app.client.Logs(wsconn.Request().Context(), sessionID) + if err != nil { + logger.Errorf("stream logs error: %v", err) + } + defer r.Close() + wsconn.PayloadType = websocket.BinaryFrame + + go func() { + io.Copy(wsconn, r) + wsconn.Close() + logger.Errorf("stream logs connection closed") + }() + io.Copy(wsconn, r) + logger.Errorf("stream logs disconnected") + } +} + +//HandleStatus ... +func (app *App) HandleStatus(w http.ResponseWriter, r *http.Request) { + w.Header().Set("Content-Type", "application/json") + + type Status struct { + Browsers map[string][]string `json:"config"` + Sessions []*platform.Service `json:"sessions"` + } + + type Response struct { + Status int `json:"status"` + Error error `json:"err"` + Selenosis Status `json:"selenosis"` + } + + sessions, err := app.client.List() + if err != nil { + app.logger.Errorf("hub status: %v", err) + json.NewEncoder(w).Encode( + Response{ + Status: http.StatusInternalServerError, + Error: err, + Selenosis: Status{ + Browsers: app.browsers.GetBrowserVersions(), + }, + }, + ) + return + } + + err = json.NewEncoder(w).Encode( + Response{ + Status: http.StatusOK, + Selenosis: Status{ + Browsers: app.browsers.GetBrowserVersions(), + Sessions: sessions, + }, + }, + ) + if err != nil { + w.Write([]byte(fmt.Sprintf("marshal err: %v", err))) + } + return +} + +func parseImage(image string) (container string) { + pref, err := regexp.Compile("[^a-zA-Z0-9]+") + if err != nil { + return "selenoid-browser" + } + return pref.ReplaceAllString(image, "-") +} diff --git a/handlers_test.go b/handlers_test.go new file mode 100644 index 0000000..14521dc --- /dev/null +++ b/handlers_test.go @@ -0,0 +1,585 @@ +package selenosis + +import ( + "bytes" + "context" + "errors" + "io" + "io/ioutil" + "net/http" + "net/http/httptest" + "net/url" + "testing" + "time" + + "github.com/alcounit/selenosis/config" + "github.com/alcounit/selenosis/platform" + "github.com/gorilla/mux" + "github.com/sirupsen/logrus" + "gotest.tools/assert" +) + +var ( + srv *httptest.Server +) + +const ( + session = "/wd/hub/session" +) + +func TestNewSessionRequestErrors(t *testing.T) { + tests := map[string]struct { + body io.Reader + respCode int + respBody string + }{ + "Verify new session call with body error request": { + body: errReader(0), + respCode: http.StatusBadRequest, + respBody: `{"code":400,"value":{"message":"test error"}}`, + }, + "Verify new session call with empty body request": { + body: bytes.NewReader([]byte("")), + respCode: http.StatusBadRequest, + respBody: `{"code":400,"value":{"message":"unexpected end of JSON input"}}`, + }, + "Verify new session call with empty json body request": { + body: bytes.NewReader([]byte("{}")), + respCode: http.StatusBadRequest, + respBody: `{"code":400,"value":{"message":"unknown browser name "}}`, + }, + "Verify new session call with wrong json body request": { + body: bytes.NewReader([]byte("{{}")), + respCode: http.StatusBadRequest, + respBody: `{"code":400,"value":{"message":"invalid character '{' looking for beginning of object key string"}}`, + }, + "Verify new session call with unknown browser name in request": { + body: bytes.NewReader([]byte(`{"capabilities":{"firstMatch":[{"browserName":"amigo", "browserVersion":"9.0"}]}}`)), + respCode: http.StatusBadRequest, + respBody: `{"code":400,"value":{"message":"unknown browser name amigo"}}`, + }, + "Verify new session call with unknown browser version in request": { + body: bytes.NewReader([]byte(`{"capabilities":{"firstMatch":[{"browserName":"chrome", "browserVersion":"0.00"}]}}`)), + respCode: http.StatusBadRequest, + respBody: `{"code":400,"value":{"message":"unknown browser version 0.00"}}`, + }, + } + + for name, test := range tests { + t.Logf("TC: %s", name) + + app := initApp(nil) + req, err := http.NewRequest(http.MethodPost, session, test.body) + + if err != nil { + t.Fatal(err) + } + + rr := httptest.NewRecorder() + app.HandleSession(rr, req) + + res := rr.Result() + defer res.Body.Close() + + b, err := ioutil.ReadAll(res.Body) + if err != nil { + t.Fatalf("could not read response: %v", err) + } + + body := string(bytes.TrimSpace(b)) + + assert.Equal(t, test.respCode, res.StatusCode) + assert.Equal(t, test.respBody, body) + } + +} + +func TestNewSessionOnPlatformError(t *testing.T) { + + tests := map[string]struct { + reqBody io.Reader + platformFailure bool + platformFailureReason error + respCode int + respBody string + }{ + "Verify new session call when browser not started": { + reqBody: bytes.NewReader([]byte(`{"capabilities":{"firstMatch":[{"browserName":"chrome", "browserVersion":"68.0"}]}}`)), + platformFailure: true, + platformFailureReason: errors.New("failed to create pod"), + respCode: http.StatusBadRequest, + respBody: `{"code":400,"value":{"message":"failed to create pod"}}`, + }, + } + + for name, test := range tests { + t.Logf("TC: %s", name) + + client := &PlatformMock{ + shouldFail: test.platformFailure, + failureReason: test.platformFailureReason, + } + app := initApp(client) + req, err := http.NewRequest(http.MethodPost, session, test.reqBody) + + if err != nil { + t.Fatal(err) + } + + rr := httptest.NewRecorder() + app.HandleSession(rr, req) + + res := rr.Result() + defer res.Body.Close() + + b, err := ioutil.ReadAll(res.Body) + if err != nil { + t.Fatalf("could not read response: %v", err) + } + + body := string(bytes.TrimSpace(b)) + + assert.Equal(t, test.respCode, res.StatusCode) + assert.Equal(t, test.respBody, body) + } + +} + +func TestNewSessionOnBrowserNetworkError(t *testing.T) { + + tests := map[string]struct { + reqBody io.Reader + platformFailure bool + platformFailureReason error + respCode int + respBody string + }{ + "Verify new session call to browser is not responding": { + reqBody: bytes.NewReader([]byte(`{"capabilities":{"firstMatch":[{"browserName":"chrome", "browserVersion":"68.0"}]}}`)), + platformFailure: false, + platformFailureReason: nil, + respCode: http.StatusInternalServerError, + respBody: `{"code":500,"value":{"message":"New session attempts retry count exceeded"}}`, + }, + } + + for name, test := range tests { + t.Logf("TC: %s", name) + + client := &PlatformMock{ + shouldFail: test.platformFailure, + failureReason: test.platformFailureReason, + service: &platform.Service{ + SessionID: "sessionID", + CancelFunc: func() {}, + URL: &url.URL{ + Scheme: "http", + Host: "", + }, + }, + } + app := initApp(client) + req, err := http.NewRequest(http.MethodPost, session, test.reqBody) + + if err != nil { + t.Fatal(err) + } + + rr := httptest.NewRecorder() + app.HandleSession(rr, req) + + res := rr.Result() + defer res.Body.Close() + + b, err := ioutil.ReadAll(res.Body) + if err != nil { + t.Fatalf("could not read response: %v", err) + } + + body := string(bytes.TrimSpace(b)) + + assert.Equal(t, test.respCode, res.StatusCode) + assert.Equal(t, test.respBody, body) + } + +} + +func TestNewSessionOnCancelRequest(t *testing.T) { + tests := map[string]struct { + reqBody io.Reader + platformFailure bool + platformFailureReason error + respCode int + respBody string + }{ + "Verify new session on cancel request": { + reqBody: bytes.NewReader([]byte(`{"capabilities":{"firstMatch":[{"browserName":"chrome", "browserVersion":"68.0"}]}}`)), + platformFailure: false, + platformFailureReason: nil, + respCode: http.StatusOK, + respBody: "", + }, + } + for name, test := range tests { + + t.Logf("TC: %s", name) + + r := mux.NewRouter() + r.HandleFunc("/wd/hub/session", func(w http.ResponseWriter, r *http.Request) { + }) + + s := httptest.NewServer(r) + defer s.Close() + + u, _ := url.Parse(s.URL) + + platform := &PlatformMock{ + shouldFail: test.platformFailure, + failureReason: test.platformFailureReason, + service: &platform.Service{ + SessionID: "sessionID", + CancelFunc: func() {}, + URL: u, + }, + } + app := initApp(platform) + ctx := context.Background() + ctx, cancel := context.WithCancel(ctx) + cancel() + + resp, err := http.NewRequestWithContext(ctx, http.MethodPost, session, test.reqBody) + if err != nil { + t.Fatal(err) + } + + rr := httptest.NewRecorder() + app.HandleSession(rr, resp) + + res := rr.Result() + defer res.Body.Close() + + b, err := ioutil.ReadAll(res.Body) + if err != nil { + t.Fatalf("could not read response: %v", err) + } + + body := string(bytes.TrimSpace(b)) + + assert.Equal(t, test.respCode, res.StatusCode) + assert.Equal(t, test.respBody, body) + } + +} + +func TestNewSessionOnRequestTimeout(t *testing.T) { + tests := map[string]struct { + reqBody io.Reader + platformFailure bool + platformFailureReason error + respCode int + respBody string + }{ + "Verify new session on cancel request": { + reqBody: bytes.NewReader([]byte(`{"capabilities":{"firstMatch":[{"browserName":"chrome", "browserVersion":"68.0"}]}}`)), + platformFailure: false, + platformFailureReason: nil, + respCode: http.StatusInternalServerError, + respBody: `{"code":500,"value":{"message":"New session attempts retry count exceeded"}}`, + }, + } + for name, test := range tests { + + t.Logf("TC: %s", name) + + r := mux.NewRouter() + r.HandleFunc("/wd/hub/session", func(w http.ResponseWriter, r *http.Request) { + time.Sleep(1 * time.Second) + }) + + s := httptest.NewServer(r) + defer s.Close() + + u, _ := url.Parse(s.URL) + + platform := &PlatformMock{ + shouldFail: test.platformFailure, + failureReason: test.platformFailureReason, + service: &platform.Service{ + SessionID: "sessionID", + CancelFunc: func() {}, + URL: u, + }, + } + + app := initApp(platform) + + ctx := context.Background() + resp, err := http.NewRequestWithContext(ctx, http.MethodPost, session, test.reqBody) + if err != nil { + t.Fatal(err) + } + + rr := httptest.NewRecorder() + app.HandleSession(rr, resp) + + res := rr.Result() + defer res.Body.Close() + + b, err := ioutil.ReadAll(res.Body) + if err != nil { + t.Fatalf("could not read response: %v", err) + } + + body := string(bytes.TrimSpace(b)) + + assert.Equal(t, test.respCode, res.StatusCode) + assert.Equal(t, test.respBody, body) + } + +} + +func TestNewSessionResponseCodeError(t *testing.T) { + + tests := map[string]struct { + reqBody io.Reader + platformFailure bool + platformFailureReason error + respCode int + respBody string + }{ + "Verify new session call to browser response code error": { + reqBody: bytes.NewReader([]byte(`{"capabilities":{"firstMatch":[{"browserName":"chrome", "browserVersion":"68.0"}]}}`)), + platformFailure: false, + platformFailureReason: nil, + respCode: http.StatusInternalServerError, + respBody: `{"code":500,"value":{"message":"Failed to read service response"}}`, + }, + } + + for name, test := range tests { + t.Logf("TC: %s", name) + + mux := http.NewServeMux() + mux.HandleFunc("/wd/hub/session", func(w http.ResponseWriter, r *http.Request) { + w.WriteHeader(http.StatusInternalServerError) + }) + s := httptest.NewServer(mux) + defer s.Close() + + u, _ := url.Parse(s.URL) + + platform := &PlatformMock{ + shouldFail: test.platformFailure, + failureReason: test.platformFailureReason, + service: &platform.Service{ + SessionID: "sessionID", + CancelFunc: func() {}, + URL: u, + }, + } + app := initApp(platform) + req, err := http.NewRequest(http.MethodPost, session, test.reqBody) + if err != nil { + t.Fatal(err) + } + + rec := httptest.NewRecorder() + app.HandleSession(rec, req) + + res := rec.Result() + defer res.Body.Close() + + b, err := ioutil.ReadAll(res.Body) + if err != nil { + t.Fatalf("could not read response: %v", err) + } + + body := string(bytes.TrimSpace(b)) + + assert.Equal(t, test.respCode, res.StatusCode) + assert.Equal(t, test.respBody, body) + } + +} + +func TestNewSessionResponseBodyError(t *testing.T) { + + tests := map[string]struct { + reqBody io.Reader + platformFailure bool + platformFailureReason error + respCode int + respBody string + }{ + "Verify new session call to browser response error": { + reqBody: bytes.NewReader([]byte(`{"capabilities":{"firstMatch":[{"browserName":"chrome", "browserVersion":"68.0"}]}}`)), + platformFailure: false, + platformFailureReason: nil, + respCode: http.StatusInternalServerError, + respBody: `{"code":500,"value":{"message":"Failed to read service response"}}`, + }, + } + + for name, test := range tests { + t.Logf("TC: %s", name) + + mux := http.NewServeMux() + mux.HandleFunc("/wd/hub/session", func(w http.ResponseWriter, r *http.Request) { + w.Write([]byte("`")) + }) + s := httptest.NewServer(mux) + defer s.Close() + + u, _ := url.Parse(s.URL) + + platform := &PlatformMock{ + shouldFail: test.platformFailure, + failureReason: test.platformFailureReason, + service: &platform.Service{ + SessionID: "sessionID", + CancelFunc: func() {}, + URL: u, + }, + } + app := initApp(platform) + req, err := http.NewRequest(http.MethodPost, session, test.reqBody) + if err != nil { + t.Fatal(err) + } + + rec := httptest.NewRecorder() + app.HandleSession(rec, req) + + res := rec.Result() + defer res.Body.Close() + + b, err := ioutil.ReadAll(res.Body) + if err != nil { + t.Fatalf("could not read response: %v", err) + } + + body := string(bytes.TrimSpace(b)) + + assert.Equal(t, test.respCode, res.StatusCode) + assert.Equal(t, test.respBody, body) + } + +} + +func TestNewSessionCreated(t *testing.T) { + + tests := map[string]struct { + reqBody io.Reader + platformFailure bool + platformFailureReason error + respCode int + respBody string + }{ + "Verify new session created": { + reqBody: bytes.NewReader([]byte(`{"capabilities":{"firstMatch":[{"browserName":"chrome", "browserVersion":"68.0"}]}}`)), + platformFailure: false, + platformFailureReason: nil, + respCode: http.StatusOK, + respBody: `{"sessionID":"223a259c-50e9-4d18-82bc-26a0cc8cb85f"}`, + }, + } + + for name, test := range tests { + t.Logf("TC: %s", name) + + mux := http.NewServeMux() + mux.HandleFunc("/wd/hub/session", func(w http.ResponseWriter, r *http.Request) { + w.WriteHeader(http.StatusOK) + w.Write([]byte(`{"sessionID":"223a259c-50e9-4d18-82bc-26a0cc8cb85f"}`)) + }) + s := httptest.NewServer(mux) + defer s.Close() + + u, _ := url.Parse(s.URL) + + platform := &PlatformMock{ + shouldFail: test.platformFailure, + failureReason: test.platformFailureReason, + service: &platform.Service{ + SessionID: "sessionID", + CancelFunc: func() {}, + URL: u, + }, + } + app := initApp(platform) + req, err := http.NewRequest(http.MethodPost, session, test.reqBody) + if err != nil { + t.Fatal(err) + } + + rec := httptest.NewRecorder() + app.HandleSession(rec, req) + + res := rec.Result() + defer res.Body.Close() + + b, err := ioutil.ReadAll(res.Body) + if err != nil { + t.Fatalf("could not read response: %v", err) + } + + body := string(bytes.TrimSpace(b)) + + assert.Equal(t, test.respCode, res.StatusCode) + assert.Equal(t, test.respBody, body) + } + +} + +func initApp(p *PlatformMock) *App { + logger := &logrus.Logger{} + client := NewPlatformMock(p) + conf := Configuration{ + SelenosisHost: "hostname", + ServiceName: "selenosis", + SidecarPort: "4445", + BrowserWaitTimeout: 300 * time.Millisecond, + SessionIddleTimeout: 600 * time.Millisecond, + SessionRetryCount: 2, + } + browsersConfig, _ := config.NewBrowsersConfig("config/browsers.yaml") + + return New(logger, client, browsersConfig, conf) +} + +type PlatformMock struct { + shouldFail bool + failureReason error + service *platform.Service +} + +func NewPlatformMock(f *PlatformMock) platform.Platform { + return f +} + +func (p *PlatformMock) Create(*platform.ServiceSpec) (*platform.Service, error) { + if !p.shouldFail { + return p.service, nil + } + return nil, p.failureReason + +} +func (p *PlatformMock) Delete(string) error { + if !p.shouldFail { + return nil + } + return p.failureReason +} +func (p *PlatformMock) List() ([]*platform.Service, error) { + return nil, nil +} + +func (p *PlatformMock) Logs(ctx context.Context, name string) (io.ReadCloser, error) { + return nil, nil +} + +type errReader int + +func (errReader) Read(p []byte) (n int, err error) { + return 0, errors.New("test error") +} diff --git a/platform/kubernetes.go b/platform/kubernetes.go new file mode 100644 index 0000000..11d962d --- /dev/null +++ b/platform/kubernetes.go @@ -0,0 +1,410 @@ +package platform + +import ( + "context" + "fmt" + "io" + "net" + "net/http" + "net/url" + "path" + "time" + + apiv1 "k8s.io/api/core/v1" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" + "k8s.io/apimachinery/pkg/fields" + "k8s.io/apimachinery/pkg/util/intstr" + "k8s.io/client-go/kubernetes" + v1 "k8s.io/client-go/kubernetes/typed/core/v1" + "k8s.io/client-go/rest" + "k8s.io/utils/pointer" +) + +var ( + browserPorts = struct { + selenium, vnc intstr.IntOrString + }{ + selenium: intstr.FromString("4444"), + vnc: intstr.FromString("5900"), + } + + defaults = struct { + serviceType, testName, browserName, browserVersion, screenResolution, enableVNC, timeZone, session string + }{ + serviceType: "type", + testName: "testName", + browserName: "browserName", + browserVersion: "browserVersion", + screenResolution: "SCREEN_RESOLUTION", + enableVNC: "ENABLE_VNC", + timeZone: "TZ", + session: "session", + } +) + +//ClientConfig ... +type ClientConfig struct { + Namespace string + Service string + ReadinessTimeout time.Duration + IddleTimeout time.Duration + ServicePort string +} + +//Client ... +type Client struct { + ns string + svc string + svcPort intstr.IntOrString + readinessTimeout time.Duration + iddleTimeout time.Duration + clientset v1.CoreV1Interface +} + +//NewClient ... +func NewClient(c ClientConfig) (Platform, error) { + + conf, err := rest.InClusterConfig() + if err != nil { + return nil, fmt.Errorf("failed to build cluster config: %v", err) + } + + clientset, err := kubernetes.NewForConfig(conf) + if err != nil { + return nil, fmt.Errorf("failed to build client: %v", err) + } + + return &Client{ + ns: c.Namespace, + clientset: clientset.CoreV1(), + svc: c.Service, + svcPort: intstr.FromString(c.ServicePort), + readinessTimeout: c.ReadinessTimeout, + iddleTimeout: c.IddleTimeout, + }, nil + +} + +//NewDefaultClient ... +func NewDefaultClient(namespace string) (Platform, error) { + + conf, err := rest.InClusterConfig() + if err != nil { + return nil, fmt.Errorf("failed to build cluster config: %v", err) + } + + clientset, err := kubernetes.NewForConfig(conf) + if err != nil { + return nil, fmt.Errorf("failed to build client: %v", err) + } + + return &Client{ + ns: namespace, + clientset: clientset.CoreV1(), + }, nil + +} + +//Create ... +func (cl *Client) Create(layout *ServiceSpec) (*Service, error) { + + labels := map[string]string{ + defaults.serviceType: "browser", + defaults.browserName: layout.RequestedCapabilities.BrowserName, + defaults.browserVersion: layout.RequestedCapabilities.BrowserVersion, + defaults.testName: layout.RequestedCapabilities.TestName, + defaults.session: layout.SessionID, + } + + envVar := func(name, value string) (i int, b bool) { + for i, slice := range layout.Template.Spec.EnvVars { + if slice.Name == name { + slice.Value = value + return i, true + } + } + return -1, false + } + + if layout.RequestedCapabilities.ScreenResolution != "" { + i, b := envVar(defaults.screenResolution, layout.RequestedCapabilities.ScreenResolution) + if !b { + layout.Template.Spec.EnvVars = append(layout.Template.Spec.EnvVars, + apiv1.EnvVar{Name: defaults.screenResolution, + Value: layout.RequestedCapabilities.ScreenResolution}) + } else { + layout.Template.Spec.EnvVars[i] = apiv1.EnvVar{Name: defaults.screenResolution, Value: layout.RequestedCapabilities.ScreenResolution} + } + labels[defaults.screenResolution] = layout.RequestedCapabilities.ScreenResolution + } + + if layout.RequestedCapabilities.VNC { + vnc := fmt.Sprintf("%v", layout.RequestedCapabilities.VNC) + i, b := envVar(defaults.enableVNC, vnc) + if !b { + layout.Template.Spec.EnvVars = append(layout.Template.Spec.EnvVars, apiv1.EnvVar{Name: defaults.enableVNC, Value: vnc}) + } else { + layout.Template.Spec.EnvVars[i] = apiv1.EnvVar{Name: defaults.enableVNC, Value: vnc} + } + labels[defaults.enableVNC] = vnc + } + + if layout.RequestedCapabilities.TimeZone != "" { + i, b := envVar(defaults.timeZone, layout.RequestedCapabilities.TimeZone) + if !b { + layout.Template.Spec.EnvVars = append(layout.Template.Spec.EnvVars, apiv1.EnvVar{Name: defaults.timeZone, Value: layout.RequestedCapabilities.TimeZone}) + } else { + layout.Template.Spec.EnvVars[i] = apiv1.EnvVar{Name: defaults.timeZone, Value: layout.RequestedCapabilities.TimeZone} + } + labels[defaults.timeZone] = layout.RequestedCapabilities.TimeZone + } + + if layout.Template.Meta.Labels == nil { + layout.Template.Meta.Labels = make(map[string]string) + } + + for k, v := range labels { + layout.Template.Meta.Labels[k] = v + } + + pod := &apiv1.Pod{ + ObjectMeta: metav1.ObjectMeta{ + Name: layout.SessionID, + Labels: layout.Template.Meta.Labels, + Annotations: layout.Template.Meta.Annotations, + }, + Spec: apiv1.PodSpec{ + Hostname: layout.SessionID, + Subdomain: cl.svc, + Containers: []apiv1.Container{ + { + Name: layout.SessionID, + Image: layout.Template.Image, + SecurityContext: &apiv1.SecurityContext{ + Privileged: pointer.BoolPtr(false), + Capabilities: &apiv1.Capabilities{ + Add: []apiv1.Capability{ + "SYS_ADMIN", + }, + }, + }, + Env: layout.Template.Spec.EnvVars, + Ports: getBrowserPorts(), + Resources: layout.Template.Spec.Resources, + VolumeMounts: []apiv1.VolumeMount{ + { + Name: "dshm", + MountPath: "/dev/shm", + }, + }, + }, + { + Name: "seleniferous", + Image: "alcounit/seleniferous:latest", + SecurityContext: &apiv1.SecurityContext{ + Privileged: pointer.BoolPtr(true), + }, + Ports: getSidecarPorts(cl.svcPort), + Command: []string{ + "/seleniferous", "--listhen-port", cl.svcPort.StrVal, "--proxy-default-path", path.Join(layout.Template.Path, "session"), "--iddle-timeout", cl.iddleTimeout.String(), "--namespace", cl.ns, + }, + }, + }, + Volumes: []apiv1.Volume{ + { + Name: "dshm", + VolumeSource: apiv1.VolumeSource{ + EmptyDir: &apiv1.EmptyDirVolumeSource{ + Medium: apiv1.StorageMediumMemory, + }, + }, + }, + }, + NodeSelector: layout.Template.Spec.NodeSelector, + HostAliases: layout.Template.Spec.HostAliases, + RestartPolicy: apiv1.RestartPolicyNever, + Affinity: &layout.Template.Spec.Affinity, + DNSConfig: &layout.Template.Spec.DNSConfig, + }, + } + + context := context.Background() + pod, err := cl.clientset.Pods(cl.ns).Create(context, pod, metav1.CreateOptions{}) + + if err != nil { + return nil, fmt.Errorf("failed to create pod %v", err) + } + + podName := pod.GetName() + cancel := func() { + cl.Delete(podName) + } + + var status apiv1.PodStatus + w, err := cl.clientset.Pods(cl.ns).Watch(context, metav1.ListOptions{ + FieldSelector: fields.OneTermEqualSelector("metadata.name", podName).String(), + }) + + if err != nil { + cancel() + return nil, fmt.Errorf("watch pod: %v", err) + } + + func() { + for { + select { + case events, ok := <-w.ResultChan(): + if !ok { + return + } + pod = events.Object.(*apiv1.Pod) + status = pod.Status + if pod.Status.Phase != apiv1.PodPending { + w.Stop() + } + case <-time.After(cl.iddleTimeout): + w.Stop() + } + } + }() + + if status.Phase != apiv1.PodRunning { + cancel() + return nil, fmt.Errorf("pod status: %v", status.Phase) + } + + host := fmt.Sprintf("%s.%s", podName, cl.svc) + u := &url.URL{ + Scheme: "http", + Host: net.JoinHostPort(host, browserPorts.selenium.StrVal), + } + + if err := waitForService(u, cl.readinessTimeout); err != nil { + cancel() + return nil, fmt.Errorf("container service is not ready %v", u.String()) + } + + u.Host = net.JoinHostPort(host, cl.svcPort.StrVal) + svc := &Service{ + SessionID: podName, + URL: u, + Labels: layout.Template.Meta.Labels, + CancelFunc: func() { + cancel() + }, + } + + return svc, nil +} + +//Delete ... +func (cl *Client) Delete(name string) error { + context := context.Background() + + return cl.clientset.Pods(cl.ns).Delete(context, name, metav1.DeleteOptions{ + GracePeriodSeconds: pointer.Int64Ptr(15), + }) +} + +//List ... +func (cl *Client) List() ([]*Service, error) { + context := context.Background() + pods, err := cl.clientset.Pods(cl.ns).List(context, metav1.ListOptions{ + LabelSelector: "type=browser", + }) + + if err != nil { + return nil, fmt.Errorf("failed to get pods: %v", err) + } + + var services []*Service + + for _, pod := range pods.Items { + if pod.Status.Phase == apiv1.PodRunning { + podName := pod.GetName() + host := fmt.Sprintf("%s.%s", podName, cl.svc) + + s := &Service{ + SessionID: podName, + URL: &url.URL{ + Scheme: "http", + Host: net.JoinHostPort(host, cl.svcPort.StrVal), + }, + Labels: pod.GetLabels(), + CancelFunc: func() { + cl.Delete(podName) + }, + } + services = append(services, s) + } + } + + return services, nil + +} + +//Logs ... +func (cl *Client) Logs(ctx context.Context, name string) (io.ReadCloser, error) { + req := cl.clientset.Pods(cl.ns).GetLogs(name, &apiv1.PodLogOptions{ + Container: name, + Follow: true, + Previous: false, + Timestamps: false, + }) + return req.Stream(ctx) +} + +func getBrowserPorts() []apiv1.ContainerPort { + port := []apiv1.ContainerPort{} + fn := func(name string, value int) { + port = append(port, apiv1.ContainerPort{Name: name, ContainerPort: int32(value)}) + } + + fn("vnc", browserPorts.vnc.IntValue()) + fn("selenium", browserPorts.selenium.IntValue()) + + return port +} + +func getSidecarPorts(p intstr.IntOrString) []apiv1.ContainerPort { + port := []apiv1.ContainerPort{} + fn := func(name string, value int) { + port = append(port, apiv1.ContainerPort{Name: name, ContainerPort: int32(value)}) + } + fn("selenium", p.IntValue()) + return port +} + +//code credits to https://github.com/aerokube/selenoid/blob/master/service/service.go#L97 +func waitForService(u *url.URL, t time.Duration) error { + up := make(chan struct{}) + done := make(chan struct{}) + go func() { + for { + select { + case <-done: + return + default: + } + req, _ := http.NewRequest(http.MethodHead, u.String(), nil) + req.Close = true + resp, err := http.DefaultClient.Do(req) + if resp != nil { + resp.Body.Close() + } + if err != nil { + <-time.After(50 * time.Millisecond) + continue + } + up <- struct{}{} + return + } + }() + select { + case <-time.After(t): + close(done) + return fmt.Errorf("%s does not respond in %v", u, t) + case <-up: + } + return nil +} diff --git a/platform/platform.go b/platform/platform.go new file mode 100644 index 0000000..834ae8c --- /dev/null +++ b/platform/platform.go @@ -0,0 +1,58 @@ +package platform + +import ( + "context" + "io" + "net/url" + + "github.com/alcounit/selenosis/selenium" + apiv1 "k8s.io/api/core/v1" +) + +//Meta describes standart metadata +type Meta struct { + Labels map[string]string `yaml:"labels,omitempty" json:"labels,omitempty"` + Annotations map[string]string `yaml:"annotations,omitempty" json:"annotations,omitempty"` +} + +//Spec describes specification for Service +type Spec struct { + Resources apiv1.ResourceRequirements `yaml:"resources,omitempty" json:"resources,omitempty"` + HostAliases []apiv1.HostAlias `yaml:"hostAliases,omitempty" json:"hostAliases,omitempty"` + EnvVars []apiv1.EnvVar `yaml:"envVars,omitempty" json:"envVars,omitempty"` + NodeSelector map[string]string `yaml:"nodeSelector,omitempty" json:"nodeSelector,omitempty"` + Affinity apiv1.Affinity `yaml:"affinity,omitempty" json:"affinity,omitempty"` + DNSConfig apiv1.PodDNSConfig `yaml:"dnsConfig,omitempty" json:"dnsConfig,omitempty"` +} + +//BrowserSpec describes settings for Service +type BrowserSpec struct { + Image string `yaml:"image" json:"image"` + Path string `yaml:"path" json:"path"` + Meta Meta `yaml:"meta" json:"meta"` + Spec Spec `yaml:"spec" json:"spec"` +} + +//ServiceSpec describes data requred for creating service +type ServiceSpec struct { + SessionID string + RequestedCapabilities selenium.Capabilities + Template *BrowserSpec +} + +//Service ... +type Service struct { + SessionID string `json:"id"` + URL *url.URL `json:"-"` + Labels map[string]string `json:"labels"` + OnTimeout chan struct{} `json:"-"` + CancelFunc func() `json:"-"` +} + +//Platform ... +type Platform interface { + Create(*ServiceSpec) (*Service, error) + Delete(string) error + List() ([]*Service, error) + Logs(context.Context, string) (io.ReadCloser, error) +} diff --git a/selenium/selenium.go b/selenium/selenium.go new file mode 100644 index 0000000..9c5e902 --- /dev/null +++ b/selenium/selenium.go @@ -0,0 +1,49 @@ +package selenium + +//Capabilities ... +type Capabilities struct { + BrowserName string `json:"browserName,omitempty"` + DeviceName string `json:"deviceName,omitempty"` + BrowserVersion string `json:"version,omitempty"` + W3CBrowserVersion string `json:"browserVersion,omitempty"` + Platform string `json:"platform,omitempty"` + WC3PlatformName string `json:"platformName,omitempty"` + ScreenResolution string `json:"screenResolution,omitempty"` + Skin string `json:"skin,omitempty"` + VNC bool `json:"enableVNC,omitempty"` + Video bool `json:"enableVideo,omitempty"` + Log bool `json:"enableLog,omitempty"` + VideoName string `json:"videoName,omitempty"` + VideoScreenSize string `json:"videoScreenSize,omitempty"` + VideoFrameRate uint16 `json:"videoFrameRate,omitempty"` + VideoCodec string `json:"videoCodec,omitempty"` + LogName string `json:"logName,omitempty"` + TestName string `json:"name,omitempty"` + TimeZone string `json:"timeZone,omitempty"` + ContainerHostname string `json:"containerHostname,omitempty"` + Env []string `json:"env,omitempty"` + ApplicationContainers []string `json:"applicationContainers,omitempty"` + AdditionalNetworks []string `json:"additionalNetworks,omitempty"` + HostsEntries []string `json:"hostsEntries,omitempty"` + DNSServers []string `json:"dnsServers,omitempty"` + Labels map[string]string `json:"labels,omitempty"` + SessionTimeout string `json:"sessionTimeout,omitempty"` + S3KeyPattern string `json:"s3KeyPattern,omitempty"` + ExtensionCapabilities *Capabilities `json:"selenoid:options,omitempty"` +} + +//ValidateCapabilities ... +func (c *Capabilities) ValidateCapabilities() { + if c.BrowserName == "" { + c.BrowserName = c.DeviceName + } + + if c.BrowserVersion == "" { + c.BrowserVersion = c.W3CBrowserVersion + } + + if c.Platform == "" { + c.Platform = c.WC3PlatformName + } + +} diff --git a/selenosis.go b/selenosis.go new file mode 100644 index 0000000..57165a0 --- /dev/null +++ b/selenosis.go @@ -0,0 +1,50 @@ +package selenosis + +import ( + "time" + + "github.com/alcounit/selenosis/config" + "github.com/alcounit/selenosis/platform" + log "github.com/sirupsen/logrus" +) + +//Configuration .... +type Configuration struct { + SelenosisHost string + ServiceName string + SidecarPort string + SessionLimit int + SessionRetryCount int + BrowserWaitTimeout time.Duration + SessionIddleTimeout time.Duration +} + +//App ... +type App struct { + logger *log.Logger + client platform.Platform + browsers *config.BrowsersConfig + selenosisHost string + serviceName string + sidecarPort string + sessionLimit int + sessionRetryCount int + sessionIddleTimeout time.Duration + browserWaitTimeout time.Duration +} + +//New ... +func New(logger *log.Logger, client platform.Platform, browsers *config.BrowsersConfig, settings Configuration) *App { + return &App{ + logger: logger, + client: client, + browsers: browsers, + selenosisHost: settings.SelenosisHost, + serviceName: settings.ServiceName, + sidecarPort: settings.SidecarPort, + sessionLimit: settings.SessionLimit, + sessionRetryCount: settings.SessionRetryCount, + browserWaitTimeout: settings.BrowserWaitTimeout, + sessionIddleTimeout: settings.SessionIddleTimeout, + } +} diff --git a/tools/tools.go b/tools/tools.go new file mode 100644 index 0000000..3ba6df2 --- /dev/null +++ b/tools/tools.go @@ -0,0 +1,30 @@ +package tools + +import ( + "encoding/json" + "fmt" + "net" + "net/http" + "time" +) + +func TimeElapsed(t time.Time) string { + return fmt.Sprintf("%.2fs", time.Since(t).Seconds()) +} + +func JSONError(w http.ResponseWriter, message string, statusCode int) { + w.Header().Set("Content-Type", "application/json") + w.WriteHeader(statusCode) + json.NewEncoder(w).Encode( + map[string]interface{}{ + "value": map[string]string{ + "message": message, + }, + "code": statusCode, + }, + ) +} + +func BuildHostPort(session, service, port string) string { + return net.JoinHostPort(fmt.Sprintf("%s.%s", session, service), port) +}