[PATCH] sanity.bbclass: check user can read and write to SSTATE_DIR

[PATCH] sanity.bbclass: check user can read and write to SSTATE_DIR

[Joshua Lock]

The user needs read and write permissions to SSTATE_DIR, check
whether they have sufficient permissions and if not recommend
use of SSTATE_MIRRORS.

Signed-off-by: Joshua Lock <josh@linux.intel.com>
---
 meta/classes/sanity.bbclass |   17 ++++++++++++++---
 1 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/meta/classes/sanity.bbclass b/meta/classes/sanity.bbclass
index 05545f4..ff3c413 100644
--- a/meta/classes/sanity.bbclass
+++ b/meta/classes/sanity.bbclass
@@ -96,10 +96,16 @@ def check_conf_exists(fn, data):
 def check_sanity_sstate_dir_change(sstate_dir, data):
     # Sanity checks to be done when the value of SSTATE_DIR changes
 
-    # Check that SSTATE_DIR isn't on a filesystem with limited filename length (eg. eCryptFS)
     testmsg = ""
     if sstate_dir != "":
-        testmsg = check_create_long_filename(sstate_dir, "SSTATE_DIR")
+        # Check that the user can read and write to SSTATE_DIR
+        sstatemsg = check_can_read_write_directory(sstate_dir) or None
+        if sstatemsg:
+            sstatemsg = sstatemsg + ". You could try using it as an SSTATE_MIRRORS instead of SSTATE_CACHE.\n"
+            testmsg = testmsg + sstatemsg
+        # Check that SSTATE_DIR isn't on a filesystem with limited filename length (eg. eCryptFS)
+        testmsg = testmsg + check_create_long_filename(sstate_dir, "SSTATE_DIR")
+
     return testmsg
 
 def check_sanity_tmpdir_change(tmpdir, data):
@@ -150,7 +156,12 @@ def check_create_long_filename(filepath, pathname):
         if errno == 36: # ENAMETOOLONG
             return "Failed to create a file with a long name in %s. Please use a filesystem that does not unreasonably limit filename length.\n" % pathname
         else:
-            return "Failed to create a file in %s: %s" % (pathname, strerror)
+            return "Failed to create a file in %s: %s\n" % (pathname, strerror)
+    return ""
+
+def check_can_read_write_directory(directory):
+    if not os.access(directory, os.R_OK|os.W_OK):
+       return "Insufficient permissions for %s" % directory
     return ""
 
 def check_connectivity(d):
-- 
1.7.7.6

Re: [PATCH] sanity.bbclass: check user can read and write to SSTATE_DIR

[Saul Wold]

On 05/12/2012 04:00 AM, Joshua Lock wrote:
> The user needs read and write permissions to SSTATE_DIR, check
> whether they have sufficient permissions and if not recommend
> use of SSTATE_MIRRORS.
>
> Signed-off-by: Joshua Lock<josh@linux.intel.com>
> ---
>   meta/classes/sanity.bbclass |   17 ++++++++++++++---
>   1 files changed, 14 insertions(+), 3 deletions(-)
>
> diff --git a/meta/classes/sanity.bbclass b/meta/classes/sanity.bbclass
> index 05545f4..ff3c413 100644
> --- a/meta/classes/sanity.bbclass
> +++ b/meta/classes/sanity.bbclass
> @@ -96,10 +96,16 @@ def check_conf_exists(fn, data):
>   def check_sanity_sstate_dir_change(sstate_dir, data):
>       # Sanity checks to be done when the value of SSTATE_DIR changes
>
> -    # Check that SSTATE_DIR isn't on a filesystem with limited filename length (eg. eCryptFS)
>       testmsg = ""
>       if sstate_dir != "":
> -        testmsg = check_create_long_filename(sstate_dir, "SSTATE_DIR")
> +        # Check that the user can read and write to SSTATE_DIR
> +        sstatemsg = check_can_read_write_directory(sstate_dir) or None
> +        if sstatemsg:
> +            sstatemsg = sstatemsg + ". You could try using it as an SSTATE_MIRRORS instead of SSTATE_CACHE.\n"
> +            testmsg = testmsg + sstatemsg
> +        # Check that SSTATE_DIR isn't on a filesystem with limited filename length (eg. eCryptFS)
> +        testmsg = testmsg + check_create_long_filename(sstate_dir, "SSTATE_DIR")
> +
>       return testmsg
>
>   def check_sanity_tmpdir_change(tmpdir, data):
> @@ -150,7 +156,12 @@ def check_create_long_filename(filepath, pathname):
>           if errno == 36: # ENAMETOOLONG
>               return "Failed to create a file with a long name in %s. Please use a filesystem that does not unreasonably limit filename length.\n" % pathname
>           else:
> -            return "Failed to create a file in %s: %s" % (pathname, strerror)
> +            return "Failed to create a file in %s: %s\n" % (pathname, strerror)
> +    return ""
> +
> +def check_can_read_write_directory(directory):
> +    if not os.access(directory, os.R_OK|os.W_OK):
> +       return "Insufficient permissions for %s" % directory
>       return ""
>
>   def check_connectivity(d):


Merged into OE-Core along with the state.bbclass change

Thanks
	Sau!