Merge branch 'writable_dirs' into 'master'

Make additional directories writable

See merge request cms-cloud/cmssw-docker!55

c8-cms/Dockerfile

@@ -73,7 +73,8 @@ RUN     groupadd -g 1000 cmsusr && adduser -u 1000 -g 1000 -G root cmsusr && \
         install -d /opt && install -d -o cmsinst /opt/cms
 
 # Make Images grid/singularity compatible
-RUN mkdir -p /cvmfs /afs /eos /opt/cms /pool
+RUN mkdir -p /cvmfs /afs /eos /pool && \
+    chmod 1777 /cvmfs /afs /eos /pool
 
 # Add a couple of useful files to cmsusr account
 WORKDIR /home/cmsusr

cc7-cms/Dockerfile

@@ -64,7 +64,8 @@ RUN     groupadd -g 1000 cmsusr && adduser -u 1000 -g 1000 -G root cmsusr && \
         install -d /opt && install -d -o cmsinst /opt/cms
 
 # Make Images grid/singularity compatible
-RUN mkdir -p /cvmfs /afs /eos /opt/cms /pool
+RUN mkdir -p /cvmfs /afs /eos /pool && \
+    chmod 1777 /cvmfs /afs /eos /pool
 
 # Add a couple of useful files to cmsusr account
 WORKDIR /home/cmsusr

slc5-cms/Dockerfile

@@ -87,7 +87,8 @@ RUN     groupadd -g 1000 cmsusr && adduser -u 1000 -g 1000 -G root cmsusr && \
         install -d /opt && install -d -o cmsinst /opt/cms
 
 # Make Images grid/singularity compatible
-RUN mkdir -p /cvmfs /afs /eos /opt/cms /pool
+RUN mkdir -p /cvmfs /afs /eos /pool && \
+    chmod 1777 /cvmfs /afs /eos /pool
 
 # Add a couple of useful files to cmsusr account
 WORKDIR /home/cmsusr

slc6-cms/Dockerfile

@@ -95,7 +95,8 @@ RUN     groupadd -g 1000 cmsusr && adduser -u 1000 -g 1000 -G root cmsusr && \
         install -d /opt && install -d -o cmsinst /opt/cms
 
 # Make Images grid/singularity compatible
-RUN mkdir -p /cvmfs /afs /eos /opt/cms /pool
+RUN mkdir -p /cvmfs /afs /eos /pool && \
+    chmod 1777 /cvmfs /afs /eos /pool
 
 # Add a couple of useful files to cmsusr account
 WORKDIR /home/cmsusr