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lifecycle.go
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lifecycle.go
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package apps
import (
"encoding/json"
"fmt"
"strings"
"regexp"
"strconv"
. "github.com/cloudfoundry/cf-acceptance-tests/cats_suite_helpers"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
. "github.com/onsi/gomega/gbytes"
. "github.com/onsi/gomega/gexec"
"github.com/cloudfoundry-incubator/cf-test-helpers/cf"
"github.com/cloudfoundry-incubator/cf-test-helpers/helpers"
"github.com/cloudfoundry-incubator/cf-test-helpers/workflowhelpers"
"github.com/cloudfoundry/cf-acceptance-tests/helpers/app_helpers"
"github.com/cloudfoundry/cf-acceptance-tests/helpers/assets"
"github.com/cloudfoundry/cf-acceptance-tests/helpers/random_name"
)
type AppUsageEvent struct {
Entity struct {
AppName string `json:"app_name"`
State string `json:"state"`
BuildpackName string `json:"buildpack_name"`
BuildpackGuid string `json:"buildpack_guid"`
} `json:"entity"`
}
type AppUsageEvents struct {
Resources []AppUsageEvent `struct:"resources"`
}
func lastAppUsageEvent(appName string, state string) (bool, AppUsageEvent) {
var response AppUsageEvents
workflowhelpers.AsUser(TestSetup.AdminUserContext(), Config.DefaultTimeoutDuration(), func() {
workflowhelpers.ApiRequest("GET", "/v2/app_usage_events?order-direction=desc&page=1&results-per-page=150", &response, Config.DefaultTimeoutDuration())
})
for _, event := range response.Resources {
if event.Entity.AppName == appName && event.Entity.State == state {
return true, event
}
}
return false, AppUsageEvent{}
}
var _ = AppsDescribe("Application Lifecycle", func() {
var (
appName string
expectedNullResponse string
)
BeforeEach(func() {
appName = random_name.CATSRandomName("APP")
appUrl := "https://" + appName + "." + Config.GetAppsDomain()
nullSession := helpers.CurlSkipSSL(Config.GetSkipSSLValidation(), appUrl).Wait()
expectedNullResponse = string(nullSession.Buffer().Contents())
})
AfterEach(func() {
app_helpers.AppReport(appName)
Expect(cf.Cf("delete", appName, "-f", "-r").Wait()).To(Exit(0))
})
Describe("pushing", func() {
It("makes the app reachable via its bound route", func() {
Expect(cf.Cf("push",
appName,
"-b", Config.GetBinaryBuildpackName(),
"-m", DEFAULT_MEMORY_LIMIT,
"-p", assets.NewAssets().Catnip,
"-c", "./catnip",
"-d", Config.GetAppsDomain()).Wait(Config.CfPushTimeoutDuration())).To(Exit(0))
Eventually(func() string {
return helpers.CurlAppRoot(Config, appName)
}).Should(ContainSubstring("Catnip?"))
})
Describe("Context path", func() {
var app2 string
var appPath = "/imposter_dora"
BeforeEach(func() {
Expect(cf.Cf("push",
appName,
"-b", Config.GetBinaryBuildpackName(),
"-m", DEFAULT_MEMORY_LIMIT,
"-p", assets.NewAssets().Catnip,
"-c", "./catnip",
"-d", Config.GetAppsDomain()).Wait(Config.CfPushTimeoutDuration())).To(Exit(0))
app2 = random_name.CATSRandomName("APP")
Expect(cf.Cf("push", app2, "-b", Config.GetRubyBuildpackName(), "-m", DEFAULT_MEMORY_LIMIT, "-p", assets.NewAssets().HelloWorld, "-d", Config.GetAppsDomain()).Wait(Config.CfPushTimeoutDuration())).To(Exit(0))
})
AfterEach(func() {
Expect(cf.Cf("delete", app2, "-f", "-r").Wait()).To(Exit(0))
})
It("makes another app available via same host and domain, but different path", func() {
getRoutePath := fmt.Sprintf("/v2/routes?q=host:%s", appName)
routeBody := cf.Cf("curl", getRoutePath).Wait().Out.Contents()
var routeJSON struct {
Resources []struct {
Entity struct {
SpaceGuid string `json:"space_guid"`
DomainGuid string `json:"domain_guid"`
} `json:"entity"`
} `json:"resources"`
}
Expect(json.Unmarshal([]byte(routeBody), &routeJSON)).To(Succeed())
Expect(len(routeJSON.Resources)).To(BeNumerically(">=", 1))
spaceGuid := routeJSON.Resources[0].Entity.SpaceGuid
domainGuid := routeJSON.Resources[0].Entity.DomainGuid
appGuid := cf.Cf("app", app2, "--guid").Wait().Out.Contents()
jsonBody := "{\"host\":\"" + appName + "\", \"path\":\"" + appPath + "\", \"domain_guid\":\"" + domainGuid + "\",\"space_guid\":\"" + spaceGuid + "\"}"
routePostResponseBody := cf.Cf("curl", "/v2/routes", "-X", "POST", "-d", jsonBody).Wait(Config.CfPushTimeoutDuration()).Out.Contents()
var routeResponseJSON struct {
Metadata struct {
Guid string `json:"guid"`
} `json:"metadata"`
}
json.Unmarshal([]byte(routePostResponseBody), &routeResponseJSON)
routeGuid := routeResponseJSON.Metadata.Guid
Expect(cf.Cf("curl", "/v2/apps/"+strings.TrimSpace(string(appGuid))+"/routes/"+string(routeGuid), "-X", "PUT").Wait(Config.CfPushTimeoutDuration())).To(Exit(0))
Eventually(func() string {
return helpers.CurlAppRoot(Config, appName)
}).Should(ContainSubstring("Catnip?"))
Eventually(func() string {
return helpers.CurlApp(Config, appName, appPath)
}).Should(ContainSubstring("Hello, world!"))
})
})
Context("multiple instances", func() {
BeforeEach(func() {
Expect(cf.Cf("push",
appName,
"-b", Config.GetBinaryBuildpackName(),
"-m", DEFAULT_MEMORY_LIMIT,
"-p", assets.NewAssets().Catnip,
"-c", "./catnip",
"-i", "2",
"-d", Config.GetAppsDomain()).Wait(Config.CfPushTimeoutDuration())).To(Exit(0))
})
It("is able to start all instances", func() {
Eventually(func() *Session {
return cf.Cf("app", appName).Wait()
}).Should(Say("#0 running"))
Eventually(func() *Session {
return cf.Cf("app", appName).Wait()
}).Should(Say("#1 running"))
})
It("is able to retrieve container metrics", func() {
// #0 running 2015-06-10 02:22:39 PM 0.0% 48.7M of 2G 14M of 1G
var metrics = regexp.MustCompile(`running.*(?:[\d\.]+)%\s+([\d\.]+)[MG]? of (?:[\d\.]+)[MG]\s+([\d\.]+)[MG]? of (?:[\d\.]+)[MG]`)
memdisk := func() (float64, float64) {
app := cf.Cf("app", appName)
Expect(app.Wait()).To(Exit(0))
arr := metrics.FindStringSubmatch(string(app.Out.Contents()))
mem, err := strconv.ParseFloat(arr[1], 64)
Expect(err).ToNot(HaveOccurred())
disk, err := strconv.ParseFloat(arr[2], 64)
Expect(err).ToNot(HaveOccurred())
return mem, disk
}
Eventually(func() float64 { m, _ := memdisk(); return m }, Config.CfPushTimeoutDuration()).Should(BeNumerically(">", 0.0))
Eventually(func() float64 { _, d := memdisk(); return d }, Config.CfPushTimeoutDuration()).Should(BeNumerically(">", 0.0))
})
})
It("makes system environment variables available", func() {
Expect(cf.Cf("push",
appName,
"-b", Config.GetBinaryBuildpackName(),
"-m", DEFAULT_MEMORY_LIMIT,
"-p", assets.NewAssets().Catnip,
"-c", "./catnip",
"-d", Config.GetAppsDomain()).Wait(Config.CfPushTimeoutDuration())).To(Exit(0))
var envOutput string
envOutput = helpers.CurlApp(Config, appName, "/env.json")
Expect(envOutput).ToNot(BeEmpty())
type env struct {
Index string `json:"CF_INSTANCE_INDEX"`
IP string `json:"CF_INSTANCE_IP"`
InternalIP string `json:"CF_INSTANCE_INTERNAL_IP"`
Port string `json:"CF_INSTANCE_PORT"`
Addr string `json:"CF_INSTANCE_ADDR"`
Ports string `json:"CF_INSTANCE_PORTS"`
}
var envValues env
err := json.Unmarshal([]byte(envOutput), &envValues)
Expect(err).NotTo(HaveOccurred())
Expect(envValues.Index).To(Equal("0"))
Expect(envValues.IP).To(MatchRegexp(`[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+`))
Expect(envValues.InternalIP).To(MatchRegexp(`[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+`))
Expect(envValues.Port).To(MatchRegexp(`[0-9]+`))
Expect(envValues.Addr).To(MatchRegexp(`[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+:[0-9]+`))
var ports []struct {
External int `json:"external"`
Internal int `json:"internal"`
}
err = json.Unmarshal([]byte(envValues.Ports), &ports)
Expect(err).NotTo(HaveOccurred())
Expect(len(ports)).NotTo(BeZero())
Expect(ports[0].Internal).NotTo(BeZero())
Expect(ports[0].External).NotTo(BeZero())
})
It("generates an app usage 'started' event", func() {
Expect(cf.Cf("push",
appName,
"-b", Config.GetBinaryBuildpackName(),
"-m", DEFAULT_MEMORY_LIMIT,
"-p", assets.NewAssets().Catnip,
"-c", "./catnip",
"-d", Config.GetAppsDomain()).Wait(Config.CfPushTimeoutDuration()),
).To(Exit(0))
found, _ := lastAppUsageEvent(appName, "STARTED")
Expect(found).To(BeTrue())
})
It("generates an app usage 'buildpack_set' event", func() {
Expect(cf.Cf("push",
appName,
"-b", Config.GetBinaryBuildpackName(),
"-m", DEFAULT_MEMORY_LIMIT,
"-p", assets.NewAssets().Catnip,
"-c", "./catnip",
"-d", Config.GetAppsDomain()).Wait(Config.CfPushTimeoutDuration())).To(Exit(0))
found, matchingEvent := lastAppUsageEvent(appName, "BUILDPACK_SET")
Expect(found).To(BeTrue())
Expect(matchingEvent.Entity.BuildpackName).To(Equal("binary_buildpack"))
Expect(matchingEvent.Entity.BuildpackGuid).ToNot(BeZero())
})
})
Describe("stopping", func() {
BeforeEach(func() {
Expect(cf.Cf("push",
appName,
"-b", Config.GetBinaryBuildpackName(),
"-m", DEFAULT_MEMORY_LIMIT,
"-p", assets.NewAssets().Catnip,
"-c", "./catnip",
"-d", Config.GetAppsDomain()).Wait(Config.CfPushTimeoutDuration())).To(Exit(0))
})
It("makes the app unreachable", func() {
Expect(cf.Cf("stop", appName).Wait()).To(Exit(0))
Eventually(func() string {
return helpers.CurlAppRoot(Config, appName)
}).Should(ContainSubstring(expectedNullResponse))
})
It("generates an app usage 'stopped' event", func() {
Expect(cf.Cf("stop", appName).Wait()).To(Exit(0))
found, _ := lastAppUsageEvent(appName, "STOPPED")
Expect(found).To(BeTrue())
})
Describe("and then starting", func() {
It("makes the app reachable again", func() {
Expect(cf.Cf("stop", appName).Wait()).To(Exit(0))
Eventually(func() bool {
found, _ := lastAppUsageEvent(appName, "STOPPED")
return found
}).Should(BeTrue())
Expect(cf.Cf("start", appName).Wait()).To(Exit(0))
Eventually(func() string {
return helpers.CurlAppRoot(Config, appName)
}).Should(ContainSubstring("Catnip?"))
})
})
})
Describe("updating", func() {
BeforeEach(func() {
Expect(cf.Cf("push",
appName,
"-b", Config.GetBinaryBuildpackName(),
"-m", DEFAULT_MEMORY_LIMIT,
"-p", assets.NewAssets().Catnip,
"-c", "./catnip",
"-d", Config.GetAppsDomain()).Wait(Config.CfPushTimeoutDuration())).To(Exit(0))
})
It("is reflected through another push", func() {
Eventually(func() string {
return helpers.CurlAppRoot(Config, appName)
}).Should(ContainSubstring("Catnip?"))
Expect(cf.Cf("push",
appName,
"-b", Config.GetRubyBuildpackName(),
"-m", DEFAULT_MEMORY_LIMIT,
"-p", assets.NewAssets().HelloWorld,
"-c", "null",
"-d", Config.GetAppsDomain()).Wait(Config.CfPushTimeoutDuration())).To(Exit(0))
Eventually(func() string {
return helpers.CurlAppRoot(Config, appName)
}).Should(ContainSubstring("Hello, world!"))
})
})
Describe("deleting", func() {
var expectedNullResponse string
BeforeEach(func() {
appUrl := "https://" + appName + "." + Config.GetAppsDomain()
nullSession := helpers.CurlSkipSSL(Config.GetSkipSSLValidation(), appUrl).Wait()
expectedNullResponse = string(nullSession.Buffer().Contents())
Expect(cf.Cf("push",
appName,
"-b", Config.GetBinaryBuildpackName(),
"-m", DEFAULT_MEMORY_LIMIT,
"-p", assets.NewAssets().Catnip,
"-c", "./catnip",
"-d", Config.GetAppsDomain()).Wait(Config.CfPushTimeoutDuration())).To(Exit(0))
})
It("removes the application", func() {
Expect(cf.Cf("delete", appName, "-f", "-r").Wait()).To(Exit(0))
app := cf.Cf("apps").Wait()
Consistently(app).ShouldNot(Say(appName))
})
It("makes the app unreachable", func() {
Expect(cf.Cf("delete", appName, "-f", "-r").Wait()).To(Exit(0))
Eventually(func() string {
return helpers.CurlAppRoot(Config, appName)
}).Should(ContainSubstring(expectedNullResponse))
})
It("generates an app usage 'stopped' event", func() {
Expect(cf.Cf("delete", appName, "-f", "-r").Wait()).To(Exit(0))
found, _ := lastAppUsageEvent(appName, "STOPPED")
Expect(found).To(BeTrue())
})
})
})