在 Openshift 上使用 node-gyp 构建模块

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Building modules using node-gyp on Openshift

当尝试在 Openshift 上构建需要 node-gyp 之类的 node-canvas 的模块时，我收到此错误：

> canvas@1.2.3 install /var/lib/.../repo/node_modules/canvas

> node-gyp rebuild



Traceback (most recent call last):

 File"/opt/rh/v8314/root/usr/bin/gyp", line 15, in <module>

  import gyp

ImportError: No module named gyp

gyp ERR! configure error 

gyp ERR! stack Error: `gyp` failed with exit code: 1

gyp ERR! stack   at ChildProcess.onCpExit (/opt/rh/nodejs010/root/usr/lib/node_modules/node-gyp/lib/configure.js:343:16)

gyp ERR! stack   at ChildProcess.emit (events.js:98:17)

gyp ERR! stack   at Process.ChildProcess._handle.onexit (child_process.js:820:12)

gyp ERR! System Linux 2.6.32-504.16.2.el6.x86_64

gyp ERR! command"node""/opt/rh/nodejs010/root/usr/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js""rebuild"

gyp ERR! cwd /var/lib/.../repo/node_modules/canvas

gyp ERR! node -v v0.10.35

gyp ERR! node-gyp -v v1.0.2

gyp ERR! not ok 



npm ERR! canvas@1.2.3 install: `node-gyp rebuild`

npm ERR! Exit status 1

npm ERR! 

npm ERR! Failed at the canvas@1.2.3 install script.

npm ERR! This is most likely a problem with the canvas package,

npm ERR! not with npm itself.

npm ERR! Tell the author that this fails on your system:

npm ERR!   node-gyp rebuild

npm ERR! You can get their info via:

npm ERR!   npm owner ls canvas

npm ERR! There is likely additional logging output above.

npm ERR! System Linux 2.6.32-504.16.2.el6.x86_64

npm ERR! command"node""/opt/rh/nodejs010/root/usr/bin/npm""install""node-canvas-1.2.3"

npm ERR! cwd /var/lib/.../app-root/runtime/repo

npm ERR! node -v v0.10.35

npm ERR! npm -v 1.4.28

npm ERR! code ELIFECYCLE

npm ERR! not ok code 0

import sys



# TODO(mark): sys.path manipulation is some temporary testing stuff.

try:

 import gyp

except ImportError, e:

 import os.path

 sys.path.append(os.path.join(os.path.dirname(sys.argv[0]), 'pylib'))

 import gyp



if __name__ == '__main__':

 sys.exit(gyp.main(sys.argv[1:]))
node-gyp configure

node-gyp build

node-gyp install

我的理解是node-gyp正在导入找不到的gyp python模块。几周前，我通过将 PYTHONPATH env 变量设置为我的 node_modules 目录(/var/lib/.../repo/node_modules/node-gyp/gyp/pylib)中的那个 gyp python 模块解决了这个问题。这样构建就成功完成了，我可以使用 node-canvas 模块。现在我怀疑 Openshift 发生了一些变化，这种技术不再起作用了。即使设置了 PYTHONPATH，当我 npm install 模块时仍然找不到 gyp 模块。知道为什么即使 PYTHONPATH 设置为包含模块的位置也找不到 gyp 模块？也许它被忽略了？ gyp 文件包含：

> canvas@1.2.3 install /var/lib/.../repo/node_modules/canvas

> node-gyp rebuild



Traceback (most recent call last):

 File"/opt/rh/v8314/root/usr/bin/gyp", line 15, in <module>

  import gyp

ImportError: No module named gyp

gyp ERR! configure error 

gyp ERR! stack Error: `gyp` failed with exit code: 1

gyp ERR! stack   at ChildProcess.onCpExit (/opt/rh/nodejs010/root/usr/lib/node_modules/node-gyp/lib/configure.js:343:16)

gyp ERR! stack   at ChildProcess.emit (events.js:98:17)

gyp ERR! stack   at Process.ChildProcess._handle.onexit (child_process.js:820:12)

gyp ERR! System Linux 2.6.32-504.16.2.el6.x86_64

gyp ERR! command"node""/opt/rh/nodejs010/root/usr/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js""rebuild"

gyp ERR! cwd /var/lib/.../repo/node_modules/canvas

gyp ERR! node -v v0.10.35

gyp ERR! node-gyp -v v1.0.2

gyp ERR! not ok 



npm ERR! canvas@1.2.3 install: `node-gyp rebuild`

npm ERR! Exit status 1

npm ERR! 

npm ERR! Failed at the canvas@1.2.3 install script.

npm ERR! This is most likely a problem with the canvas package,

npm ERR! not with npm itself.

npm ERR! Tell the author that this fails on your system:

npm ERR!   node-gyp rebuild

npm ERR! You can get their info via:

npm ERR!   npm owner ls canvas

npm ERR! There is likely additional logging output above.

npm ERR! System Linux 2.6.32-504.16.2.el6.x86_64

npm ERR! command"node""/opt/rh/nodejs010/root/usr/bin/npm""install""node-canvas-1.2.3"

npm ERR! cwd /var/lib/.../app-root/runtime/repo

npm ERR! node -v v0.10.35

npm ERR! npm -v 1.4.28

npm ERR! code ELIFECYCLE

npm ERR! not ok code 0

import sys



# TODO(mark): sys.path manipulation is some temporary testing stuff.

try:

 import gyp

except ImportError, e:

 import os.path

 sys.path.append(os.path.join(os.path.dirname(sys.argv[0]), 'pylib'))

 import gyp



if __name__ == '__main__':

 sys.exit(gyp.main(sys.argv[1:]))
node-gyp configure

node-gyp build

node-gyp install

看不到不使用 PYTHONPATH 的原因(并且无法检查 gyp 文件中的 PYTHONPATH 值，因为它需要 root 权限，我认为我在 Openshift 上没有)。也许 npm 正在以某种方式重置环境？

我通过直接调用 node-gyp 而不是通过 npm install 来解决：

> canvas@1.2.3 install /var/lib/.../repo/node_modules/canvas

> node-gyp rebuild



Traceback (most recent call last):

 File"/opt/rh/v8314/root/usr/bin/gyp", line 15, in <module>

  import gyp

ImportError: No module named gyp

gyp ERR! configure error 

gyp ERR! stack Error: `gyp` failed with exit code: 1

gyp ERR! stack   at ChildProcess.onCpExit (/opt/rh/nodejs010/root/usr/lib/node_modules/node-gyp/lib/configure.js:343:16)

gyp ERR! stack   at ChildProcess.emit (events.js:98:17)

gyp ERR! stack   at Process.ChildProcess._handle.onexit (child_process.js:820:12)

gyp ERR! System Linux 2.6.32-504.16.2.el6.x86_64

gyp ERR! command"node""/opt/rh/nodejs010/root/usr/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js""rebuild"

gyp ERR! cwd /var/lib/.../repo/node_modules/canvas

gyp ERR! node -v v0.10.35

gyp ERR! node-gyp -v v1.0.2

gyp ERR! not ok 



npm ERR! canvas@1.2.3 install: `node-gyp rebuild`

npm ERR! Exit status 1

npm ERR! 

npm ERR! Failed at the canvas@1.2.3 install script.

npm ERR! This is most likely a problem with the canvas package,

npm ERR! not with npm itself.

npm ERR! Tell the author that this fails on your system:

npm ERR!   node-gyp rebuild

npm ERR! You can get their info via:

npm ERR!   npm owner ls canvas

npm ERR! There is likely additional logging output above.

npm ERR! System Linux 2.6.32-504.16.2.el6.x86_64

npm ERR! command"node""/opt/rh/nodejs010/root/usr/bin/npm""install""node-canvas-1.2.3"

npm ERR! cwd /var/lib/.../app-root/runtime/repo

npm ERR! node -v v0.10.35

npm ERR! npm -v 1.4.28

npm ERR! code ELIFECYCLE

npm ERR! not ok code 0

import sys



# TODO(mark): sys.path manipulation is some temporary testing stuff.

try:

 import gyp

except ImportError, e:

 import os.path

 sys.path.append(os.path.join(os.path.dirname(sys.argv[0]), 'pylib'))

 import gyp



if __name__ == '__main__':

 sys.exit(gyp.main(sys.argv[1:]))
node-gyp configure

node-gyp build

node-gyp install
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