通過shell安裝r軟件包時出現錯誤

Question

我在教自己，我有兩個簡單的文件。我想在數字海洋服務器上安裝R和一些軟件包。

主機

[droplets] 
<IP ADRESS> 

playbook.yml

- hosts: droplets 
    user: root 
    sudo: true 
    vars: 
    - foo: Hello There Ansible 
    tasks: 
    - name: install R 
     apt: name=r-base state=installed 
    - name: install plyr 
     shell: echo "install.packages('plyr', repos=c('http://www.freestatistics.org/cran/'))" | R --no-save 

我從this question明白我不應該使用command選項，但shell命令。

我仍然得到這個錯誤。

$ ansible-playbook -i hosts -k playbook.yml 
SSH password: 
ERROR: Syntax Error while loading YAML script, playbook.yml 
Note: The error may actually appear before this position: line 10, column 1 

    - name: install plyr 
     shell: echo "install.packages('plyr', repos=c('http://www.freestatistics.org/cran/'))" | R --no-save 
^ 

但是，如果我ssh進入機器，確切的命令似乎工作正常。

root@<IP ADRESS>:~# echo "install.packages('plyr', repos=c('http://www.freestatistics.org/cran/'))" | R --no-save 

R version 2.15.1 (2012-06-22) -- "Roasted Marshmallows" 
Copyright (C) 2012 The R Foundation for Statistical Computing 
ISBN 3-900051-07-0 
Platform: x86_64-pc-linux-gnu (64-bit) 

R is free software and comes with ABSOLUTELY NO WARRANTY. 
You are welcome to redistribute it under certain conditions. 
Type 'license()' or 'licence()' for distribution details. 

    Natural language support but running in an English locale 

R is a collaborative project with many contributors. 
Type 'contributors()' for more information and 
'citation()' on how to cite R or R packages in publications. 

Type 'demo()' for some demos, 'help()' for on-line help, or 
'help.start()' for an HTML browser interface to help. 
Type 'q()' to quit R. 

> install.packages('plyr', repos=c('http://www.freestatistics.org/cran/')) 
Installing package(s) into ‘/usr/local/lib/R/site-library’ 
(as ‘lib’ is unspecified) 
Warning: dependency ‘Rcpp’ is not available 
trying URL 'http://www.freestatistics.org/cran/src/contrib/plyr_1.8.1.tar.gz' 
Content type 'application/x-gzip' length 393233 bytes (384 Kb) 
opened URL 
================================================== 
downloaded 384 Kb 

任何人都可以指出我的劇本有什麼問題嗎？

Answer 1

你在做什麼看起來不錯，但command是一般比較安全，你可以使用Rscript來執行任務，避免呼應&管道：

- command: Rscript --vanilla -e "install.packages('plyr', repos=c('http://www.freestatistics.org/cran/'))" 

如果安裝littler（這是一個apt-get -able包），那麼你可以發出command將其鏈接到一個一般可用位置：

- apt: name=littler state=installed 
- command: ln -s /usr/share/doc/littler/examples/install.r /usr/local/bin/install.r 

然後用它做進一步的PKG插件高大很簡潔：

- command: install.r plyr