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5febba93ba
2375/2376 are assigned: http://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml?search=docker For #1440 Docker-DCO-1.1-Signed-off-by: SvenDowideit <SvenDowideit@home.org.au> (github: SvenDowideit)
679 lines
16 KiB
Go
679 lines
16 KiB
Go
package docker
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net"
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"net/http"
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"net/http/httptest"
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"strings"
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"testing"
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"github.com/dotcloud/docker/archive"
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"github.com/dotcloud/docker/engine"
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"github.com/dotcloud/docker/image"
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"github.com/dotcloud/docker/nat"
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"github.com/dotcloud/docker/server"
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"github.com/dotcloud/docker/utils"
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)
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// A testContextTemplate describes a build context and how to test it
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type testContextTemplate struct {
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// Contents of the Dockerfile
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dockerfile string
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// Additional files in the context, eg [][2]string{"./passwd", "gordon"}
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files [][2]string
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// Additional remote files to host on a local HTTP server.
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remoteFiles [][2]string
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}
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func (context testContextTemplate) Archive(dockerfile string, t *testing.T) archive.Archive {
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input := []string{"Dockerfile", dockerfile}
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for _, pair := range context.files {
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input = append(input, pair[0], pair[1])
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}
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a, err := archive.Generate(input...)
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if err != nil {
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t.Fatal(err)
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}
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return a
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}
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// A table of all the contexts to build and test.
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// A new docker runtime will be created and torn down for each context.
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var testContexts = []testContextTemplate{
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{
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`
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from {IMAGE}
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run sh -c 'echo root:testpass > /tmp/passwd'
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run mkdir -p /var/run/sshd
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run [ "$(cat /tmp/passwd)" = "root:testpass" ]
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run [ "$(ls -d /var/run/sshd)" = "/var/run/sshd" ]
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`,
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nil,
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nil,
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},
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// Exactly the same as above, except uses a line split with a \ to test
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// multiline support.
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{
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`
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from {IMAGE}
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run sh -c 'echo root:testpass \
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> /tmp/passwd'
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run mkdir -p /var/run/sshd
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run [ "$(cat /tmp/passwd)" = "root:testpass" ]
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run [ "$(ls -d /var/run/sshd)" = "/var/run/sshd" ]
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`,
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nil,
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nil,
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},
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// Line containing literal "\n"
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{
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`
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from {IMAGE}
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run sh -c 'echo root:testpass > /tmp/passwd'
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run echo "foo \n bar"; echo "baz"
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run mkdir -p /var/run/sshd
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run [ "$(cat /tmp/passwd)" = "root:testpass" ]
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run [ "$(ls -d /var/run/sshd)" = "/var/run/sshd" ]
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`,
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nil,
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nil,
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},
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{
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`
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from {IMAGE}
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add foo /usr/lib/bla/bar
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run [ "$(cat /usr/lib/bla/bar)" = 'hello' ]
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add http://{SERVERADDR}/baz /usr/lib/baz/quux
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run [ "$(cat /usr/lib/baz/quux)" = 'world!' ]
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`,
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[][2]string{{"foo", "hello"}},
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[][2]string{{"/baz", "world!"}},
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},
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{
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`
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from {IMAGE}
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add f /
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run [ "$(cat /f)" = "hello" ]
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add f /abc
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run [ "$(cat /abc)" = "hello" ]
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add f /x/y/z
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run [ "$(cat /x/y/z)" = "hello" ]
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add f /x/y/d/
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run [ "$(cat /x/y/d/f)" = "hello" ]
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add d /
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run [ "$(cat /ga)" = "bu" ]
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add d /somewhere
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run [ "$(cat /somewhere/ga)" = "bu" ]
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add d /anotherplace/
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run [ "$(cat /anotherplace/ga)" = "bu" ]
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add d /somewheeeere/over/the/rainbooow
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run [ "$(cat /somewheeeere/over/the/rainbooow/ga)" = "bu" ]
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`,
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[][2]string{
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{"f", "hello"},
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{"d/ga", "bu"},
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},
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nil,
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},
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{
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`
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from {IMAGE}
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add http://{SERVERADDR}/x /a/b/c
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run [ "$(cat /a/b/c)" = "hello" ]
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add http://{SERVERADDR}/x?foo=bar /
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run [ "$(cat /x)" = "hello" ]
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add http://{SERVERADDR}/x /d/
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run [ "$(cat /d/x)" = "hello" ]
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add http://{SERVERADDR} /e
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run [ "$(cat /e)" = "blah" ]
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`,
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nil,
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[][2]string{{"/x", "hello"}, {"/", "blah"}},
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},
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// Comments, shebangs, and executability, oh my!
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{
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`
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FROM {IMAGE}
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# This is an ordinary comment.
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RUN { echo '#!/bin/sh'; echo 'echo hello world'; } > /hello.sh
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RUN [ ! -x /hello.sh ]
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RUN chmod +x /hello.sh
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RUN [ -x /hello.sh ]
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RUN [ "$(cat /hello.sh)" = $'#!/bin/sh\necho hello world' ]
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RUN [ "$(/hello.sh)" = "hello world" ]
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`,
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nil,
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nil,
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},
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// Users and groups
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{
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`
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FROM {IMAGE}
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# Make sure our defaults work
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RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)" = '0:0/root:root' ]
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# TODO decide if "args.user = strconv.Itoa(syscall.Getuid())" is acceptable behavior for changeUser in sysvinit instead of "return nil" when "USER" isn't specified (so that we get the proper group list even if that is the empty list, even in the default case of not supplying an explicit USER to run as, which implies USER 0)
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USER root
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RUN [ "$(id -G):$(id -Gn)" = '0:root' ]
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# Setup dockerio user and group
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RUN echo 'dockerio:x:1000:1000::/bin:/bin/false' >> /etc/passwd
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RUN echo 'dockerio:x:1000:' >> /etc/group
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# Make sure we can switch to our user and all the information is exactly as we expect it to be
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USER dockerio
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RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1000:1000/dockerio:dockerio/1000:dockerio' ]
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# Switch back to root and double check that worked exactly as we might expect it to
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USER root
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RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '0:0/root:root/0:root' ]
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# Add a "supplementary" group for our dockerio user
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RUN echo 'supplementary:x:1001:dockerio' >> /etc/group
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# ... and then go verify that we get it like we expect
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USER dockerio
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RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1000:1000/dockerio:dockerio/1000 1001:dockerio supplementary' ]
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USER 1000
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RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1000:1000/dockerio:dockerio/1000 1001:dockerio supplementary' ]
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# super test the new "user:group" syntax
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USER dockerio:dockerio
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RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1000:1000/dockerio:dockerio/1000:dockerio' ]
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USER 1000:dockerio
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RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1000:1000/dockerio:dockerio/1000:dockerio' ]
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USER dockerio:1000
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RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1000:1000/dockerio:dockerio/1000:dockerio' ]
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USER 1000:1000
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RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1000:1000/dockerio:dockerio/1000:dockerio' ]
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USER dockerio:supplementary
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RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1000:1001/dockerio:supplementary/1001:supplementary' ]
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USER dockerio:1001
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RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1000:1001/dockerio:supplementary/1001:supplementary' ]
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USER 1000:supplementary
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RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1000:1001/dockerio:supplementary/1001:supplementary' ]
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USER 1000:1001
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RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1000:1001/dockerio:supplementary/1001:supplementary' ]
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# make sure unknown uid/gid still works properly
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USER 1042:1043
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RUN [ "$(id -u):$(id -g)/$(id -un):$(id -gn)/$(id -G):$(id -Gn)" = '1042:1043/1042:1043/1043:1043' ]
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`,
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nil,
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nil,
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},
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// Environment variable
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{
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`
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from {IMAGE}
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env FOO BAR
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run [ "$FOO" = "BAR" ]
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`,
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nil,
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nil,
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},
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// Environment overwriting
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{
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`
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from {IMAGE}
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env FOO BAR
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run [ "$FOO" = "BAR" ]
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env FOO BAZ
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run [ "$FOO" = "BAZ" ]
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`,
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nil,
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nil,
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},
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{
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`
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from {IMAGE}
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ENTRYPOINT /bin/echo
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CMD Hello world
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`,
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nil,
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nil,
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},
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{
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`
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from {IMAGE}
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VOLUME /test
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CMD Hello world
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`,
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nil,
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nil,
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},
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{
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`
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from {IMAGE}
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env FOO /foo/baz
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env BAR /bar
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env BAZ $BAR
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env FOOPATH $PATH:$FOO
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run [ "$BAR" = "$BAZ" ]
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run [ "$FOOPATH" = "$PATH:/foo/baz" ]
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`,
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nil,
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nil,
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},
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{
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`
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from {IMAGE}
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env FOO /bar
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env TEST testdir
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env BAZ /foobar
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add testfile $BAZ/
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add $TEST $FOO
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run [ "$(cat /foobar/testfile)" = "test1" ]
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run [ "$(cat /bar/withfile)" = "test2" ]
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`,
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[][2]string{
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{"testfile", "test1"},
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{"testdir/withfile", "test2"},
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},
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nil,
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},
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// JSON!
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{
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`
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FROM {IMAGE}
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RUN ["/bin/echo","hello","world"]
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CMD ["/bin/true"]
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ENTRYPOINT ["/bin/echo","your command -->"]
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`,
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nil,
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nil,
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},
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{
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`
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FROM {IMAGE}
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ADD test /test
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RUN ["chmod","+x","/test"]
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RUN ["/test"]
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RUN [ "$(cat /testfile)" = 'test!' ]
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`,
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[][2]string{
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{"test", "#!/bin/sh\necho 'test!' > /testfile"},
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},
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nil,
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},
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{
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`
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FROM {IMAGE}
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# what \
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RUN mkdir /testing
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RUN touch /testing/other
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`,
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nil,
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nil,
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},
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}
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// FIXME: test building with 2 successive overlapping ADD commands
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func constructDockerfile(template string, ip net.IP, port string) string {
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serverAddr := fmt.Sprintf("%s:%s", ip, port)
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replacer := strings.NewReplacer("{IMAGE}", unitTestImageID, "{SERVERADDR}", serverAddr)
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return replacer.Replace(template)
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}
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func mkTestingFileServer(files [][2]string) (*httptest.Server, error) {
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mux := http.NewServeMux()
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for _, file := range files {
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name, contents := file[0], file[1]
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mux.HandleFunc(name, func(w http.ResponseWriter, r *http.Request) {
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w.Write([]byte(contents))
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})
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}
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// This is how httptest.NewServer sets up a net.Listener, except that our listener must accept remote
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// connections (from the container).
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listener, err := net.Listen("tcp", ":0")
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if err != nil {
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return nil, err
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}
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s := httptest.NewUnstartedServer(mux)
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s.Listener = listener
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s.Start()
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return s, nil
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}
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func TestBuild(t *testing.T) {
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for _, ctx := range testContexts {
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_, err := buildImage(ctx, t, nil, true)
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if err != nil {
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t.Fatal(err)
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}
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}
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}
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func buildImage(context testContextTemplate, t *testing.T, eng *engine.Engine, useCache bool) (*image.Image, error) {
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if eng == nil {
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eng = NewTestEngine(t)
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runtime := mkDaemonFromEngine(eng, t)
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// FIXME: we might not need runtime, why not simply nuke
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// the engine?
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defer nuke(runtime)
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}
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srv := mkServerFromEngine(eng, t)
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httpServer, err := mkTestingFileServer(context.remoteFiles)
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if err != nil {
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t.Fatal(err)
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}
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defer httpServer.Close()
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idx := strings.LastIndex(httpServer.URL, ":")
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if idx < 0 {
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t.Fatalf("could not get port from test http server address %s", httpServer.URL)
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}
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port := httpServer.URL[idx+1:]
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iIP := eng.Hack_GetGlobalVar("httpapi.bridgeIP")
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if iIP == nil {
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t.Fatal("Legacy bridgeIP field not set in engine")
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}
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ip, ok := iIP.(net.IP)
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if !ok {
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panic("Legacy bridgeIP field in engine does not cast to net.IP")
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}
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dockerfile := constructDockerfile(context.dockerfile, ip, port)
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buildfile := server.NewBuildFile(srv, ioutil.Discard, ioutil.Discard, false, useCache, false, false, ioutil.Discard, utils.NewStreamFormatter(false), nil, nil)
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id, err := buildfile.Build(context.Archive(dockerfile, t))
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if err != nil {
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return nil, err
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}
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job := eng.Job("image_inspect", id)
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buffer := bytes.NewBuffer(nil)
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image := &image.Image{}
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job.Stdout.Add(buffer)
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if err := job.Run(); err != nil {
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return nil, err
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}
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err = json.NewDecoder(buffer).Decode(image)
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return image, err
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}
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// testing #1405 - config.Cmd does not get cleaned up if
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// utilizing cache
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func TestBuildEntrypointRunCleanup(t *testing.T) {
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eng := NewTestEngine(t)
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defer nuke(mkDaemonFromEngine(eng, t))
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img, err := buildImage(testContextTemplate{`
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from {IMAGE}
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run echo "hello"
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`,
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nil, nil}, t, eng, true)
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if err != nil {
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t.Fatal(err)
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}
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img, err = buildImage(testContextTemplate{`
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from {IMAGE}
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run echo "hello"
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add foo /foo
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entrypoint ["/bin/echo"]
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`,
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[][2]string{{"foo", "HEYO"}}, nil}, t, eng, true)
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if err != nil {
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t.Fatal(err)
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}
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if len(img.Config.Cmd) != 0 {
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t.Fail()
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}
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}
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func TestForbiddenContextPath(t *testing.T) {
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eng := NewTestEngine(t)
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defer nuke(mkDaemonFromEngine(eng, t))
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srv := mkServerFromEngine(eng, t)
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context := testContextTemplate{`
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from {IMAGE}
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maintainer dockerio
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add ../../ test/
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`,
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[][2]string{{"test.txt", "test1"}, {"other.txt", "other"}}, nil}
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httpServer, err := mkTestingFileServer(context.remoteFiles)
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if err != nil {
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t.Fatal(err)
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}
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defer httpServer.Close()
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idx := strings.LastIndex(httpServer.URL, ":")
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if idx < 0 {
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t.Fatalf("could not get port from test http server address %s", httpServer.URL)
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}
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port := httpServer.URL[idx+1:]
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iIP := eng.Hack_GetGlobalVar("httpapi.bridgeIP")
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if iIP == nil {
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t.Fatal("Legacy bridgeIP field not set in engine")
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}
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ip, ok := iIP.(net.IP)
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if !ok {
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panic("Legacy bridgeIP field in engine does not cast to net.IP")
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}
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dockerfile := constructDockerfile(context.dockerfile, ip, port)
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buildfile := server.NewBuildFile(srv, ioutil.Discard, ioutil.Discard, false, true, false, false, ioutil.Discard, utils.NewStreamFormatter(false), nil, nil)
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_, err = buildfile.Build(context.Archive(dockerfile, t))
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if err == nil {
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t.Log("Error should not be nil")
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t.Fail()
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}
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if err.Error() != "Forbidden path outside the build context: ../../ (/)" {
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t.Logf("Error message is not expected: %s", err.Error())
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t.Fail()
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}
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}
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func TestBuildADDFileNotFound(t *testing.T) {
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eng := NewTestEngine(t)
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defer nuke(mkDaemonFromEngine(eng, t))
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context := testContextTemplate{`
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from {IMAGE}
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add foo /usr/local/bar
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`,
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nil, nil}
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httpServer, err := mkTestingFileServer(context.remoteFiles)
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if err != nil {
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t.Fatal(err)
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}
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defer httpServer.Close()
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idx := strings.LastIndex(httpServer.URL, ":")
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|
if idx < 0 {
|
|
t.Fatalf("could not get port from test http server address %s", httpServer.URL)
|
|
}
|
|
port := httpServer.URL[idx+1:]
|
|
|
|
iIP := eng.Hack_GetGlobalVar("httpapi.bridgeIP")
|
|
if iIP == nil {
|
|
t.Fatal("Legacy bridgeIP field not set in engine")
|
|
}
|
|
ip, ok := iIP.(net.IP)
|
|
if !ok {
|
|
panic("Legacy bridgeIP field in engine does not cast to net.IP")
|
|
}
|
|
dockerfile := constructDockerfile(context.dockerfile, ip, port)
|
|
|
|
buildfile := server.NewBuildFile(mkServerFromEngine(eng, t), ioutil.Discard, ioutil.Discard, false, true, false, false, ioutil.Discard, utils.NewStreamFormatter(false), nil, nil)
|
|
_, err = buildfile.Build(context.Archive(dockerfile, t))
|
|
|
|
if err == nil {
|
|
t.Log("Error should not be nil")
|
|
t.Fail()
|
|
}
|
|
|
|
if err.Error() != "foo: no such file or directory" {
|
|
t.Logf("Error message is not expected: %s", err.Error())
|
|
t.Fail()
|
|
}
|
|
}
|
|
|
|
func TestBuildInheritance(t *testing.T) {
|
|
eng := NewTestEngine(t)
|
|
defer nuke(mkDaemonFromEngine(eng, t))
|
|
|
|
img, err := buildImage(testContextTemplate{`
|
|
from {IMAGE}
|
|
expose 2375
|
|
`,
|
|
nil, nil}, t, eng, true)
|
|
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
img2, _ := buildImage(testContextTemplate{fmt.Sprintf(`
|
|
from %s
|
|
entrypoint ["/bin/echo"]
|
|
`, img.ID),
|
|
nil, nil}, t, eng, true)
|
|
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// from child
|
|
if img2.Config.Entrypoint[0] != "/bin/echo" {
|
|
t.Fail()
|
|
}
|
|
|
|
// from parent
|
|
if _, exists := img.Config.ExposedPorts[nat.NewPort("tcp", "2375")]; !exists {
|
|
t.Fail()
|
|
}
|
|
}
|
|
|
|
func TestBuildFails(t *testing.T) {
|
|
_, err := buildImage(testContextTemplate{`
|
|
from {IMAGE}
|
|
run sh -c "exit 23"
|
|
`,
|
|
nil, nil}, t, nil, true)
|
|
|
|
if err == nil {
|
|
t.Fatal("Error should not be nil")
|
|
}
|
|
|
|
sterr, ok := err.(*utils.JSONError)
|
|
if !ok {
|
|
t.Fatalf("Error should be utils.JSONError")
|
|
}
|
|
if sterr.Code != 23 {
|
|
t.Fatalf("StatusCode %d unexpected, should be 23", sterr.Code)
|
|
}
|
|
}
|
|
|
|
func TestBuildFailsDockerfileEmpty(t *testing.T) {
|
|
_, err := buildImage(testContextTemplate{``, nil, nil}, t, nil, true)
|
|
|
|
if err != server.ErrDockerfileEmpty {
|
|
t.Fatal("Expected: %v, got: %v", server.ErrDockerfileEmpty, err)
|
|
}
|
|
}
|
|
|
|
func TestBuildOnBuildTrigger(t *testing.T) {
|
|
_, err := buildImage(testContextTemplate{`
|
|
from {IMAGE}
|
|
onbuild run echo here is the trigger
|
|
onbuild run touch foobar
|
|
`,
|
|
nil, nil,
|
|
},
|
|
t, nil, true,
|
|
)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
// FIXME: test that the 'foobar' file was created in the final build.
|
|
}
|
|
|
|
func TestBuildOnBuildForbiddenChainedTrigger(t *testing.T) {
|
|
_, err := buildImage(testContextTemplate{`
|
|
from {IMAGE}
|
|
onbuild onbuild run echo test
|
|
`,
|
|
nil, nil,
|
|
},
|
|
t, nil, true,
|
|
)
|
|
if err == nil {
|
|
t.Fatal("Error should not be nil")
|
|
}
|
|
}
|
|
|
|
func TestBuildOnBuildForbiddenFromTrigger(t *testing.T) {
|
|
_, err := buildImage(testContextTemplate{`
|
|
from {IMAGE}
|
|
onbuild from {IMAGE}
|
|
`,
|
|
nil, nil,
|
|
},
|
|
t, nil, true,
|
|
)
|
|
if err == nil {
|
|
t.Fatal("Error should not be nil")
|
|
}
|
|
}
|
|
|
|
func TestBuildOnBuildForbiddenMaintainerTrigger(t *testing.T) {
|
|
_, err := buildImage(testContextTemplate{`
|
|
from {IMAGE}
|
|
onbuild maintainer test
|
|
`,
|
|
nil, nil,
|
|
},
|
|
t, nil, true,
|
|
)
|
|
if err == nil {
|
|
t.Fatal("Error should not be nil")
|
|
}
|
|
}
|
|
|
|
// gh #2446
|
|
func TestBuildAddToSymlinkDest(t *testing.T) {
|
|
eng := NewTestEngine(t)
|
|
defer nuke(mkDaemonFromEngine(eng, t))
|
|
|
|
_, err := buildImage(testContextTemplate{`
|
|
from {IMAGE}
|
|
run mkdir /foo
|
|
run ln -s /foo /bar
|
|
add foo /bar/
|
|
run stat /bar/foo
|
|
`,
|
|
[][2]string{{"foo", "HEYO"}}, nil}, t, eng, true)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|