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Add new task aws/ecr-login for logging into AWS ECR. Fixed #161
2018-02-13, Gary Kramlich
31cbebf0c277
Add new task aws/ecr-login for logging into AWS ECR. Fixed #161
// Convey
// Copyright 2016-2018 Gary Kramlich <grim@reaperworld.com>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package
docker
import
(
"os"
"path/filepath"
"github.com/aphistic/gomol"
"bitbucket.org/rw_grim/convey/command"
"bitbucket.org/rw_grim/convey/environment"
"bitbucket.org/rw_grim/convey/state"
"bitbucket.org/rw_grim/convey/tasks"
"bitbucket.org/rw_grim/convey/yaml"
)
// Build defines the options for building a docker image.
type
Build
struct
{
Dockerfile
string
`yaml:"dockerfile"`
Files
yaml
.
StringOrSlice
`yaml:"files"`
Tag
string
`yaml:"tag"`
Tags
yaml
.
StringOrSlice
`yaml:"tags"`
Target
string
`yaml:"target"`
Labels
yaml
.
StringOrSlice
`yaml:"labels"`
Arguments
yaml
.
StringOrSlice
`yaml:"arguments"`
}
// Execute runs the docker build command
func
(
b
*
Build
)
Execute
(
name
string
,
logger
*
gomol
.
LogAdapter
,
env
[]
string
,
st
*
state
.
State
)
error
{
fullEnv
:=
environment
.
Merge
(
env
,
st
.
GetEnv
())
files
,
err
:=
st
.
MapSlice
(
b
.
Files
,
fullEnv
)
if
err
!=
nil
{
return
err
}
// create out build directory
buildDir
:=
filepath
.
Join
(
st
.
Directory
,
name
)
err
=
os
.
MkdirAll
(
buildDir
,
0700
)
if
err
!=
nil
{
return
err
}
dockerfile
,
err
:=
environment
.
Mapper
(
b
.
Dockerfile
,
fullEnv
)
if
err
!=
nil
{
return
err
}
// grab the dirname of the dockerfile to keep paths correct
base
:=
filepath
.
Dir
(
dockerfile
)
// export the files to it
for
_
,
src
:=
range
files
{
src
,
dest
:=
tasks
.
ParseFilePath
(
base
,
src
)
cleanDest
:=
filepath
.
Clean
(
filepath
.
Join
(
buildDir
,
dest
))
if
err
=
exportFile
(
name
,
st
.
Workspace
.
Name
(),
src
,
cleanDest
,
st
);
err
!=
nil
{
return
err
}
}
// copy the dockerfile to the temp directory
if
err
:=
exportFile
(
name
,
st
.
Workspace
.
Name
(),
dockerfile
,
buildDir
,
st
);
err
!=
nil
{
return
err
}
tags
,
err
:=
st
.
MapSlice
(
b
.
Tags
,
fullEnv
)
if
err
!=
nil
{
return
err
}
labels
,
err
:=
st
.
MapSlice
(
b
.
Labels
,
fullEnv
)
if
err
!=
nil
{
return
err
}
arguments
,
err
:=
st
.
MapSlice
(
b
.
Arguments
,
fullEnv
)
if
err
!=
nil
{
return
err
}
// create the basic command
cmd
:=
command
.
NewGenerator
(
"build"
,
"-f"
,
filepath
.
Join
(
buildDir
,
filepath
.
Base
(
dockerfile
)),
)
// add any and all tags
for
_
,
tag
:=
range
tags
{
cmd
.
Append
(
"-t"
,
tag
)
}
// add any and all labels
for
_
,
label
:=
range
labels
{
cmd
.
Append
(
"--label"
,
label
)
}
// add any and all build arguments
for
_
,
arg
:=
range
arguments
{
cmd
.
Append
(
"--build-arg"
,
arg
)
}
// add the target if we have one
if
b
.
Target
!=
""
{
cmd
.
Append
(
"--target"
,
b
.
Target
)
}
// finally add the build context
cmd
.
Append
(
buildDir
)
return
Docker
(
name
,
cmd
.
Command
(),
st
)
}
// New creates a new docker build task.
func
(
b
*
Build
)
New
()
tasks
.
Task
{
return
&
Build
{}
}
// Valid checks that the build task is valid.
func
(
b
*
Build
)
Valid
()
error
{
if
b
.
Dockerfile
==
""
{
return
errNoDockerFile
}
if
b
.
Tag
!=
""
{
b
.
Tags
=
append
([]
string
{
b
.
Tag
},
b
.
Tags
...
)
}
if
len
(
b
.
Tags
)
==
0
{
return
errNoTag
}
return
nil
}