k8s: start using grpc health check for cartservice (#63)
This commit is contained in:
Ahmet Alp Balkan
GitHub
parent
848d4bbe90
commit
2771a03727
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@ -45,12 +45,12 @@ spec:
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readinessProbe:
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initialDelaySeconds: 15
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exec:
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command: ["/cartservice_probe"]
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command: ["/bin/grpc_health_probe", "-addr=:7070"]
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livenessProbe:
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initialDelaySeconds: 15
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periodSeconds: 10
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exec:
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command: ["/cartservice_probe"]
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command: ["/bin/grpc_health_probe", "-addr=:7070"]
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---
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apiVersion: v1
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kind: Service
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@ -38,7 +38,7 @@ spec:
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livenessProbe:
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initialDelaySeconds: 10
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httpGet:
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path: "/"
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path: "/_healthz"
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port: 8080
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httpHeaders:
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- name: "Cookie"
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@ -1,13 +1,3 @@
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FROM golang:1.10 as probe
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RUN wget -qO/go/bin/dep https://github.com/golang/dep/releases/download/v0.5.0/dep-linux-amd64 && \
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chmod +x /go/bin/dep
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ENV PROJECT github.com/GoogleCloudPlatform/microservices-demo/src/cartservice/probe
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WORKDIR /go/src/$PROJECT
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COPY probe/Gopkg.* ./
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RUN dep ensure --vendor-only -v
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COPY ./probe ./
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RUN go build -o /cartservice_probe .
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FROM microsoft/dotnet:2.1-sdk-alpine as builder
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WORKDIR /app
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COPY . .
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@ -17,8 +7,11 @@ RUN dotnet restore && \
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# cartservice
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FROM alpine:3.8
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# Add the probe
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COPY --from=probe /cartservice_probe /cartservice_probe
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RUN GRPC_HEALTH_PROBE_VERSION=v0.1.0-alpha.1 && \
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wget -qO/bin/grpc_health_probe https://github.com/grpc-ecosystem/grpc-health-probe/releases/download/${GRPC_HEALTH_PROBE_VERSION}/grpc_health_probe-linux-amd64 && \
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chmod +x /bin/grpc_health_probe
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# Dependencies for runtime
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# busybox-extras => telnet
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RUN apk add --no-cache \
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@ -32,4 +25,4 @@ RUN apk add --no-cache \
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icu
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WORKDIR /app
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COPY --from=builder /cartservice .
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ENTRYPOINT ["./cartservice", "start"]
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ENTRYPOINT ["./cartservice", "start"]
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@ -1 +0,0 @@
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vendor/
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@ -1,101 +0,0 @@
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# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
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[[projects]]
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name = "github.com/golang/protobuf"
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packages = [
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"proto",
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"ptypes",
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"ptypes/any",
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"ptypes/duration",
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"ptypes/timestamp"
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]
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revision = "b4deda0973fb4c70b50d226b1af49f3da59f5265"
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version = "v1.1.0"
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[[projects]]
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branch = "master"
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name = "golang.org/x/net"
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packages = [
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"context",
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"http/httpguts",
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"http2",
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"http2/hpack",
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"idna",
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"internal/timeseries",
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"trace"
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]
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revision = "f4c29de78a2a91c00474a2e689954305c350adf9"
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[[projects]]
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branch = "master"
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name = "golang.org/x/sys"
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packages = ["unix"]
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revision = "0ffbfd41fbef8ffcf9b62b0b0aa3a5873ed7a4fe"
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[[projects]]
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name = "golang.org/x/text"
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packages = [
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"collate",
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"collate/build",
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"internal/colltab",
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"internal/gen",
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"internal/tag",
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"internal/triegen",
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"internal/ucd",
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"language",
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"secure/bidirule",
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"transform",
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"unicode/bidi",
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"unicode/cldr",
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"unicode/norm",
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"unicode/rangetable"
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]
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revision = "f21a4dfb5e38f5895301dc265a8def02365cc3d0"
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version = "v0.3.0"
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[[projects]]
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branch = "master"
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name = "google.golang.org/genproto"
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packages = ["googleapis/rpc/status"]
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revision = "daca94659cb50e9f37c1b834680f2e46358f10b0"
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[[projects]]
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name = "google.golang.org/grpc"
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packages = [
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".",
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"balancer",
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"balancer/base",
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"balancer/roundrobin",
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"codes",
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"connectivity",
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"credentials",
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"encoding",
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"encoding/proto",
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"grpclog",
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"internal",
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"internal/backoff",
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"internal/channelz",
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"internal/envconfig",
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"internal/grpcrand",
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"internal/transport",
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"keepalive",
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"metadata",
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"naming",
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"peer",
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"resolver",
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"resolver/dns",
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"resolver/passthrough",
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"stats",
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"status",
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"tap"
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]
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revision = "32fb0ac620c32ba40a4626ddf94d90d12cce3455"
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version = "v1.14.0"
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[solve-meta]
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analyzer-name = "dep"
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analyzer-version = 1
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inputs-digest = "8f3c07df5ebc7dc4d50ca8a6c274eef95f3045d33bbe5f384271fa87166a457e"
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solver-name = "gps-cdcl"
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solver-version = 1
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@ -1,42 +0,0 @@
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# Gopkg.toml example
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#
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# Refer to https://golang.github.io/dep/docs/Gopkg.toml.html
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# for detailed Gopkg.toml documentation.
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#
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# required = ["github.com/user/thing/cmd/thing"]
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# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
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#
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# [[constraint]]
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# name = "github.com/user/project"
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# version = "1.0.0"
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#
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# [[constraint]]
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# name = "github.com/user/project2"
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# branch = "dev"
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# source = "github.com/myfork/project2"
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#
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# [[override]]
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# name = "github.com/x/y"
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# version = "2.4.0"
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#
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# [prune]
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# non-go = false
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# go-tests = true
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# unused-packages = true
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[[constraint]]
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name = "github.com/golang/protobuf"
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version = "1.1.0"
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[[constraint]]
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branch = "master"
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name = "golang.org/x/net"
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[[constraint]]
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name = "google.golang.org/grpc"
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version = "1.14.0"
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[prune]
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go-tests = true
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unused-packages = true
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@ -1,4 +0,0 @@
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# cartservice Probe
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This probe makes a call to the cartservice over localhost and exits to verify
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liveness of the cartservice.
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@ -1,22 +0,0 @@
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#!/bin/bash -eu
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#
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# Copyright 2018 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#!/bin/bash -e
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PATH=$PATH:$GOPATH/bin
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protodir=../../../pb
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protoc --go_out=plugins=grpc:genproto -I $protodir $protodir/demo.proto
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File diff suppressed because it is too large
Load Diff
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@ -1,51 +0,0 @@
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// Copyright 2018 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"context"
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"log"
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"os"
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"time"
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pb "github.com/GoogleCloudPlatform/microservices-demo/src/cartservice/probe/genproto"
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"google.golang.org/grpc"
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)
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func main() {
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port := os.Getenv("PORT")
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if port == "" {
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log.Fatal("probe is executed without PORT env var")
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}
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log.Printf("probe executing on port %q", port)
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conn, err := grpc.DialContext(context.TODO(),
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"127.0.0.1:"+port,
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grpc.WithBlock(),
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grpc.WithTimeout(time.Second*3),
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grpc.WithInsecure(),
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)
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if err != nil {
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log.Fatalf("probe failed: failed to connect: %+v", err)
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}
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defer conn.Close()
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if _, err := pb.NewCartServiceClient(conn).GetCart(context.TODO(),
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&pb.GetCartRequest{UserId: "exec-probe-nonexistinguser"}); err != nil {
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log.Fatalf("probe failed: failed to query: %+v", err)
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}
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log.Println("probe successful")
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}
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