chore(ci): run container and wait for it to connect (#2956)

- Added safety to prevent panics/errors when skipping CI checks (shame on me, sometimes)
- Opens new possibilities for end to end integration tests. PRs accepted!
This commit is contained in:
Quentin McGaw
2025-10-30 03:44:31 +01:00
committed by GitHub
parent d85402050b
commit 93442526f8
6 changed files with 390 additions and 0 deletions

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@@ -66,6 +66,33 @@ jobs:
- name: Build final image - name: Build final image
run: docker build -t final-image . run: docker build -t final-image .
verify-private:
if: |
github.repository == 'qdm12/gluetun' &&
(
github.event_name == 'push' ||
github.event_name == 'release' ||
(github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository && github.actor != 'dependabot[bot]')
)
needs: [verify]
runs-on: ubuntu-latest
environment: secrets
steps:
- uses: actions/checkout@v5
- run: docker build -t qmcgaw/gluetun .
- name: Setup Go for CI utility
uses: actions/setup-go@v5
with:
go-version-file: ci/go.mod
- name: Build utility
run: go build -C ./ci -o runner ./cmd/main.go
- name: Run Gluetun container with Mullvad configuration
run: echo -e "${{ secrets.MULLVAD_WIREGUARD_PRIVATE_KEY }}\n${{ secrets.MULLVAD_WIREGUARD_ADDRESS }}" | ./ci/runner mullvad
codeql: codeql:
runs-on: ubuntu-latest runs-on: ubuntu-latest
permissions: permissions:

View File

@@ -56,6 +56,10 @@ linters:
- revive - revive
path: internal\/provider\/(common|utils)\/.+\.go path: internal\/provider\/(common|utils)\/.+\.go
text: "var-naming: avoid (bad|meaningless) package names" text: "var-naming: avoid (bad|meaningless) package names"
- linters:
- err113
- mnd
path: ci\/.+\.go
paths: paths:
- third_party$ - third_party$

33
ci/cmd/main.go Normal file
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@@ -0,0 +1,33 @@
package main
import (
"context"
"fmt"
"os"
"os/signal"
"github.com/qdm12/gluetun/ci/internal"
)
func main() {
if len(os.Args) < 2 {
fmt.Println("Usage: " + os.Args[0] + " <command>")
os.Exit(1)
}
ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt)
var err error
switch os.Args[1] {
case "mullvad":
err = internal.MullvadTest(ctx)
default:
err = fmt.Errorf("unknown command: %s", os.Args[1])
}
stop()
if err != nil {
fmt.Println("❌", err)
os.Exit(1)
}
fmt.Println("✅ Test completed successfully.")
}

36
ci/go.mod Normal file
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@@ -0,0 +1,36 @@
module github.com/qdm12/gluetun/ci
go 1.25.0
require (
github.com/docker/docker v28.5.1+incompatible
github.com/opencontainers/image-spec v1.1.1
)
require (
github.com/Microsoft/go-winio v0.6.2 // indirect
github.com/containerd/errdefs v1.0.0 // indirect
github.com/containerd/errdefs/pkg v0.3.0 // indirect
github.com/containerd/log v0.1.0 // indirect
github.com/distribution/reference v0.6.0 // indirect
github.com/docker/go-connections v0.6.0 // indirect
github.com/docker/go-units v0.5.0 // indirect
github.com/felixge/httpsnoop v1.0.4 // indirect
github.com/go-logr/logr v1.4.3 // indirect
github.com/go-logr/stdr v1.2.2 // indirect
github.com/moby/docker-image-spec v1.3.1 // indirect
github.com/moby/sys/atomicwriter v0.1.0 // indirect
github.com/moby/term v0.5.2 // indirect
github.com/morikuni/aec v1.0.0 // indirect
github.com/opencontainers/go-digest v1.0.0 // indirect
github.com/pkg/errors v0.9.1 // indirect
go.opentelemetry.io/auto/sdk v1.1.0 // indirect
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.63.0 // indirect
go.opentelemetry.io/otel v1.38.0 // indirect
go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.38.0 // indirect
go.opentelemetry.io/otel/metric v1.38.0 // indirect
go.opentelemetry.io/otel/trace v1.38.0 // indirect
golang.org/x/sys v0.35.0 // indirect
golang.org/x/time v0.14.0 // indirect
gotest.tools/v3 v3.5.2 // indirect
)

97
ci/go.sum Normal file
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@@ -0,0 +1,97 @@
github.com/Azure/go-ansiterm v0.0.0-20250102033503-faa5f7b0171c h1:udKWzYgxTojEKWjV8V+WSxDXJ4NFATAsZjh8iIbsQIg=
github.com/Azure/go-ansiterm v0.0.0-20250102033503-faa5f7b0171c/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERoyfY=
github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA8Ipt1oGCvU=
github.com/cenkalti/backoff/v5 v5.0.3 h1:ZN+IMa753KfX5hd8vVaMixjnqRZ3y8CuJKRKj1xcsSM=
github.com/cenkalti/backoff/v5 v5.0.3/go.mod h1:rkhZdG3JZukswDf7f0cwqPNk4K0sa+F97BxZthm/crw=
github.com/containerd/errdefs v1.0.0 h1:tg5yIfIlQIrxYtu9ajqY42W3lpS19XqdxRQeEwYG8PI=
github.com/containerd/errdefs v1.0.0/go.mod h1:+YBYIdtsnF4Iw6nWZhJcqGSg/dwvV7tyJ/kCkyJ2k+M=
github.com/containerd/errdefs/pkg v0.3.0 h1:9IKJ06FvyNlexW690DXuQNx2KA2cUJXx151Xdx3ZPPE=
github.com/containerd/errdefs/pkg v0.3.0/go.mod h1:NJw6s9HwNuRhnjJhM7pylWwMyAkmCQvQ4GpJHEqRLVk=
github.com/containerd/log v0.1.0 h1:TCJt7ioM2cr/tfR8GPbGf9/VRAX8D2B4PjzCpfX540I=
github.com/containerd/log v0.1.0/go.mod h1:VRRf09a7mHDIRezVKTRCrOq78v577GXq3bSa3EhrzVo=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/distribution/reference v0.6.0 h1:0IXCQ5g4/QMHHkarYzh5l+u8T3t73zM5QvfrDyIgxBk=
github.com/distribution/reference v0.6.0/go.mod h1:BbU0aIcezP1/5jX/8MP0YiH4SdvB5Y4f/wlDRiLyi3E=
github.com/docker/docker v28.5.1+incompatible h1:Bm8DchhSD2J6PsFzxC35TZo4TLGR2PdW/E69rU45NhM=
github.com/docker/docker v28.5.1+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
github.com/docker/go-connections v0.6.0 h1:LlMG9azAe1TqfR7sO+NJttz1gy6KO7VJBh+pMmjSD94=
github.com/docker/go-connections v0.6.0/go.mod h1:AahvXYshr6JgfUJGdDCs2b5EZG/vmaMAntpSFH5BFKE=
github.com/docker/go-units v0.5.0 h1:69rxXcBk27SvSaaxTtLh/8llcHD8vYHT7WSdRZ/jvr4=
github.com/docker/go-units v0.5.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.2 h1:8Tjv8EJ+pM1xP8mK6egEbD1OgnVTyacbefKhmbLhIhU=
github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.2/go.mod h1:pkJQ2tZHJ0aFOVEEot6oZmaVEZcRme73eIFmhiVuRWs=
github.com/moby/docker-image-spec v1.3.1 h1:jMKff3w6PgbfSa69GfNg+zN/XLhfXJGnEx3Nl2EsFP0=
github.com/moby/docker-image-spec v1.3.1/go.mod h1:eKmb5VW8vQEh/BAr2yvVNvuiJuY6UIocYsFu/DxxRpo=
github.com/moby/sys/atomicwriter v0.1.0 h1:kw5D/EqkBwsBFi0ss9v1VG3wIkVhzGvLklJ+w3A14Sw=
github.com/moby/sys/atomicwriter v0.1.0/go.mod h1:Ul8oqv2ZMNHOceF643P6FKPXeCmYtlQMvpizfsSoaWs=
github.com/moby/sys/sequential v0.6.0 h1:qrx7XFUd/5DxtqcoH1h438hF5TmOvzC/lspjy7zgvCU=
github.com/moby/sys/sequential v0.6.0/go.mod h1:uyv8EUTrca5PnDsdMGXhZe6CCe8U/UiTWd+lL+7b/Ko=
github.com/moby/term v0.5.2 h1:6qk3FJAFDs6i/q3W/pQ97SX192qKfZgGjCQqfCJkgzQ=
github.com/moby/term v0.5.2/go.mod h1:d3djjFCrjnB+fl8NJux+EJzu0msscUP+f8it8hPkFLc=
github.com/morikuni/aec v1.0.0 h1:nP9CBfwrvYnBRgY6qfDQkygYDmYwOilePFkwzv4dU8A=
github.com/morikuni/aec v1.0.0/go.mod h1:BbKIizmSmc5MMPqRYbxO4ZU0S0+P200+tUnFx7PXmsc=
github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8Oi/yOhh5U=
github.com/opencontainers/go-digest v1.0.0/go.mod h1:0JzlMkj0TRzQZfJkVvzbP0HBR3IKzErnv2BNG4W4MAM=
github.com/opencontainers/image-spec v1.1.1 h1:y0fUlFfIZhPF1W537XOLg0/fcx6zcHCJwooC2xJA040=
github.com/opencontainers/image-spec v1.1.1/go.mod h1:qpqAh3Dmcf36wStyyWU+kCeDgrGnAve2nCC8+7h8Q0M=
github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.63.0 h1:RbKq8BG0FI8OiXhBfcRtqqHcZcka+gU3cskNuf05R18=
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.63.0/go.mod h1:h06DGIukJOevXaj/xrNjhi/2098RZzcLTbc0jDAUbsg=
go.opentelemetry.io/otel v1.38.0 h1:RkfdswUDRimDg0m2Az18RKOsnI8UDzppJAtj01/Ymk8=
go.opentelemetry.io/otel v1.38.0/go.mod h1:zcmtmQ1+YmQM9wrNsTGV/q/uyusom3P8RxwExxkZhjM=
go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.38.0 h1:GqRJVj7UmLjCVyVJ3ZFLdPRmhDUp2zFmQe3RHIOsw24=
go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.38.0/go.mod h1:ri3aaHSmCTVYu2AWv44YMauwAQc0aqI9gHKIcSbI1pU=
go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.38.0 h1:aTL7F04bJHUlztTsNGJ2l+6he8c+y/b//eR0jjjemT4=
go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.38.0/go.mod h1:kldtb7jDTeol0l3ewcmd8SDvx3EmIE7lyvqbasU3QC4=
go.opentelemetry.io/otel/metric v1.38.0 h1:Kl6lzIYGAh5M159u9NgiRkmoMKjvbsKtYRwgfrA6WpA=
go.opentelemetry.io/otel/metric v1.38.0/go.mod h1:kB5n/QoRM8YwmUahxvI3bO34eVtQf2i4utNVLr9gEmI=
go.opentelemetry.io/otel/sdk v1.38.0 h1:l48sr5YbNf2hpCUj/FoGhW9yDkl+Ma+LrVl8qaM5b+E=
go.opentelemetry.io/otel/sdk v1.38.0/go.mod h1:ghmNdGlVemJI3+ZB5iDEuk4bWA3GkTpW+DOoZMYBVVg=
go.opentelemetry.io/otel/sdk/metric v1.38.0 h1:aSH66iL0aZqo//xXzQLYozmWrXxyFkBJ6qT5wthqPoM=
go.opentelemetry.io/otel/sdk/metric v1.38.0/go.mod h1:dg9PBnW9XdQ1Hd6ZnRz689CbtrUp0wMMs9iPcgT9EZA=
go.opentelemetry.io/otel/trace v1.38.0 h1:Fxk5bKrDZJUH+AMyyIXGcFAPah0oRcT+LuNtJrmcNLE=
go.opentelemetry.io/otel/trace v1.38.0/go.mod h1:j1P9ivuFsTceSWe1oY+EeW3sc+Pp42sO++GHkg4wwhs=
go.opentelemetry.io/proto/otlp v1.7.1 h1:gTOMpGDb0WTBOP8JaO72iL3auEZhVmAQg4ipjOVAtj4=
go.opentelemetry.io/proto/otlp v1.7.1/go.mod h1:b2rVh6rfI/s2pHWNlB7ILJcRALpcNDzKhACevjI+ZnE=
golang.org/x/net v0.43.0 h1:lat02VYK2j4aLzMzecihNvTlJNQUq316m2Mr9rnM6YE=
golang.org/x/net v0.43.0/go.mod h1:vhO1fvI4dGsIjh73sWfUVjj3N7CA9WkKJNQm2svM6Jg=
golang.org/x/sys v0.35.0 h1:vz1N37gP5bs89s7He8XuIYXpyY0+QlsKmzipCbUtyxI=
golang.org/x/sys v0.35.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
golang.org/x/text v0.28.0 h1:rhazDwis8INMIwQ4tpjLDzUhx6RlXqZNPEM0huQojng=
golang.org/x/text v0.28.0/go.mod h1:U8nCwOR8jO/marOQ0QbDiOngZVEBB7MAiitBuMjXiNU=
golang.org/x/time v0.14.0 h1:MRx4UaLrDotUKUdCIqzPC48t1Y9hANFKIRpNx+Te8PI=
golang.org/x/time v0.14.0/go.mod h1:eL/Oa2bBBK0TkX57Fyni+NgnyQQN4LitPmob2Hjnqw4=
google.golang.org/genproto/googleapis/api v0.0.0-20250825161204-c5933d9347a5 h1:BIRfGDEjiHRrk0QKZe3Xv2ieMhtgRGeLcZQ0mIVn4EY=
google.golang.org/genproto/googleapis/api v0.0.0-20250825161204-c5933d9347a5/go.mod h1:j3QtIyytwqGr1JUDtYXwtMXWPKsEa5LtzIFN1Wn5WvE=
google.golang.org/genproto/googleapis/rpc v0.0.0-20250825161204-c5933d9347a5 h1:eaY8u2EuxbRv7c3NiGK0/NedzVsCcV6hDuU5qPX5EGE=
google.golang.org/genproto/googleapis/rpc v0.0.0-20250825161204-c5933d9347a5/go.mod h1:M4/wBTSeyLxupu3W3tJtOgB14jILAS/XWPSSa3TAlJc=
google.golang.org/grpc v1.75.0 h1:+TW+dqTd2Biwe6KKfhE5JpiYIBWq865PhKGSXiivqt4=
google.golang.org/grpc v1.75.0/go.mod h1:JtPAzKiq4v1xcAB2hydNlWI2RnF85XXcV0mhKXr2ecQ=
google.golang.org/protobuf v1.36.8 h1:xHScyCOEuuwZEc6UtSOvPbAT4zRh0xcNRYekJwfqyMc=
google.golang.org/protobuf v1.36.8/go.mod h1:fuxRtAxBytpl4zzqUh6/eyUujkJdNiuEkXntxiD/uRU=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gotest.tools/v3 v3.5.2 h1:7koQfIKdy+I8UTetycgUqXWSDwpgv193Ka+qRsmBY8Q=
gotest.tools/v3 v3.5.2/go.mod h1:LtdLGcnqToBH83WByAAi/wiwSFCArdFIUV/xxN4pcjA=

193
ci/internal/mullvad.go Normal file
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@@ -0,0 +1,193 @@
package internal
import (
"bufio"
"context"
"fmt"
"io"
"os"
"regexp"
"strings"
"time"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/api/types/network"
"github.com/docker/docker/client"
v1 "github.com/opencontainers/image-spec/specs-go/v1"
)
func MullvadTest(ctx context.Context) error {
secrets, err := readSecrets(ctx)
if err != nil {
return fmt.Errorf("reading secrets: %w", err)
}
const timeout = 15 * time.Second
ctx, cancel := context.WithTimeout(ctx, timeout)
defer cancel()
client, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation())
if err != nil {
return fmt.Errorf("creating Docker client: %w", err)
}
defer client.Close()
config := &container.Config{
Image: "qmcgaw/gluetun",
StopTimeout: ptrTo(3),
Env: []string{
"VPN_SERVICE_PROVIDER=mullvad",
"VPN_TYPE=wireguard",
"LOG_LEVEL=debug",
"SERVER_COUNTRIES=USA",
"WIREGUARD_PRIVATE_KEY=" + secrets.mullvadWireguardPrivateKey,
"WIREGUARD_ADDRESSES=" + secrets.mullvadWireguardAddress,
},
}
hostConfig := &container.HostConfig{
AutoRemove: true,
CapAdd: []string{"NET_ADMIN", "NET_RAW"},
}
networkConfig := (*network.NetworkingConfig)(nil)
platform := (*v1.Platform)(nil)
const containerName = "" // auto-generated name
response, err := client.ContainerCreate(ctx, config, hostConfig, networkConfig, platform, containerName)
if err != nil {
return fmt.Errorf("creating container: %w", err)
}
for _, warning := range response.Warnings {
fmt.Println("Warning during container creation:", warning)
}
containerID := response.ID
defer stopContainer(client, containerID)
beforeStartTime := time.Now()
err = client.ContainerStart(ctx, containerID, container.StartOptions{})
if err != nil {
return fmt.Errorf("starting container: %w", err)
}
return waitForLogLine(ctx, client, containerID, beforeStartTime)
}
func ptrTo[T any](v T) *T { return &v }
type secrets struct {
mullvadWireguardPrivateKey string
mullvadWireguardAddress string
}
func readSecrets(ctx context.Context) (secrets, error) {
expectedSecrets := [...]string{
"Mullvad Wireguard private key",
"Mullvad Wireguard address",
}
scanner := bufio.NewScanner(os.Stdin)
lines := make([]string, 0, len(expectedSecrets))
for i := range expectedSecrets {
fmt.Println("🤫 reading", expectedSecrets[i], "from Stdin...")
if !scanner.Scan() {
break
}
lines = append(lines, strings.TrimSpace(scanner.Text()))
if ctx.Err() != nil {
return secrets{}, ctx.Err()
}
}
if err := scanner.Err(); err != nil {
return secrets{}, fmt.Errorf("reading secrets from stdin: %w", err)
}
if len(lines) < len(expectedSecrets) {
return secrets{}, fmt.Errorf("expected %d secrets via Stdin, but only received %d",
len(expectedSecrets), len(lines))
}
for i, line := range lines {
if line == "" {
return secrets{}, fmt.Errorf("secret on line %d/%d was empty", i+1, len(lines))
}
}
return secrets{
mullvadWireguardPrivateKey: lines[0],
mullvadWireguardAddress: lines[1],
}, nil
}
func stopContainer(client *client.Client, containerID string) {
const stopTimeout = 5 * time.Second // must be higher than 3s, see above [container.Config]'s StopTimeout field
stopCtx, stopCancel := context.WithTimeout(context.Background(), stopTimeout)
defer stopCancel()
err := client.ContainerStop(stopCtx, containerID, container.StopOptions{})
if err != nil {
fmt.Println("failed to stop container:", err)
}
}
var successRegexp = regexp.MustCompile(`^.+Public IP address is .+$`)
func waitForLogLine(ctx context.Context, client *client.Client, containerID string,
beforeStartTime time.Time,
) error {
logOptions := container.LogsOptions{
ShowStdout: true,
Follow: true,
Since: beforeStartTime.Format(time.RFC3339Nano),
}
reader, err := client.ContainerLogs(ctx, containerID, logOptions)
if err != nil {
return fmt.Errorf("error getting container logs: %w", err)
}
defer reader.Close()
var linesSeen []string
scanner := bufio.NewScanner(reader)
for ctx.Err() == nil {
if scanner.Scan() {
line := scanner.Text()
if len(line) > 8 { // remove Docker log prefix
line = line[8:]
}
linesSeen = append(linesSeen, line)
if successRegexp.MatchString(line) {
fmt.Println("✅ Success line logged")
return nil
}
continue
}
err := scanner.Err()
if err != nil && err != io.EOF {
logSeenLines(linesSeen)
return fmt.Errorf("reading log stream: %w", err)
}
// The scanner is either done or cannot read because of EOF
fmt.Println("The log scanner stopped")
logSeenLines(linesSeen)
// Check if the container is still running
inspect, err := client.ContainerInspect(ctx, containerID)
if err != nil {
return fmt.Errorf("inspecting container: %w", err)
}
if !inspect.State.Running {
return fmt.Errorf("container stopped unexpectedly while waiting for log line. Exit code: %d", inspect.State.ExitCode)
}
}
return ctx.Err()
}
func logSeenLines(lines []string) {
fmt.Println("Logs seen so far:")
for _, line := range lines {
fmt.Println(" " + line)
}
}