Fix star shm concurrency

docs/conf.py

@@ -6,7 +6,7 @@
 copyright = '2021-2024, Rajewsky Lab'
 author = 'Tamas Ryszard Sztanka-Toth, Marvin Jens, Nikos Karaiskos, Nikolaus Rajewsky'
 
-version = '0.7.8'
+version = '0.7.9'
 release = version
 
 # -- General configuration

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = spacemake
-version = 0.7.8
+version = 0.7.9
 author = Tamas Ryszard Sztanka-Toth, Marvin Jens, Nikos Karaiskos, Nikolaus Rajewsky 
 author_email = TamasRyszard.Sztanka-Toth@mdc-berlin.de
 description = A bioinformatic pipeline for the analysis of spatial transcriptomic data

spacemake/smk.py

@@ -556,7 +556,7 @@ def spacemake_run(pdf, args):
         configfiles=[config_path],
         cores=args["cores"],
         dryrun=args["dryrun"],
-        targets=['get_stats_prealigned_barcodes'],
+        targets=['get_stats_prealigned_barcodes', 'unload_genome_flag'],
         touch=args["touch"],
         force_incomplete=args["rerun_incomplete"],
         keepgoing=args["keep_going"],

spacemake/snakemake/mapping.smk

@@ -1,4 +1,5 @@
 import tempfile
+import uuid
 
 """
 This module implements the mapping-strategy feature. This gives the freedom to define 
@@ -39,8 +40,10 @@ bt2_rRNA_log = complete_data_root + "/rRNA.bowtie2.bam.log"
 star_index = 'species_data/{species}/{ref_name}/star_index'
 star_index_param = star_index
 star_index_file = star_index + '/SAindex'
-star_index_loaded = star_index + '/genomeLoad.done'
-star_index_unloaded = star_index + '/genomeUnload.done'
+star_index_locked = star_index + '/smk.indexlocked.{species}.{ref_name}'
+star_index_locked_current = star_index_locked + f'.{uuid.uuid4()}'
+star_index_loaded = '{species}.{ref_name}.genomeLoad.done'
+star_index_unloaded = '{species}.{ref_name}.genomeUnload.done'
 star_index_log_location = 'species_data/{species}/{ref_name}/.star_index_logs'
 
 bt2_index = 'species_data/{species}/{ref_name}/bt2_index'
@@ -228,6 +231,26 @@ def mapstr_to_targets(mapstr, left="uBAM", final="final"):
     return map_rules, link_rules
 
 
+def get_star_flag(flag, default_strategy="STAR:genome:final"):
+    out_files = []
+
+    for index, row in project_df.df.iterrows():
+        map_strategy = getattr(row, "map_strategy", default_strategy)
+        map_rules, _ = mapstr_to_targets(map_strategy, left=ubam_input, final=final_target)
+        is_merged = project_df.get_metadata(
+            "is_merged", project_id=index[0], sample_id=index[1]
+        )
+        if is_merged:
+            continue
+
+        for mr in map_rules:
+            if mr.mapper == "STAR":
+                out_files += expand(flag, species=row.species, ref_name=mr.ref_name)
+
+    return set(out_files)
+
+
+
 def get_mapped_BAM_output(default_strategy="STAR:genome:final"):
     """
     This function is called from main.smk at least once 
@@ -456,7 +479,8 @@ rule map_reads_STAR:
     input: 
         # bam=lambda wc: BAM_DEP_LKUP.get(wc_fill(star_mapped_bam, wc), f"can't_find_bam_{wc}"),
         # index=lambda wc: BAM_IDX_LKUP.get(wc_fill(star_mapped_bam, wc), f"can't find_idx_{wc}"),
-        unpack(get_map_inputs)
+        unpack(get_map_inputs),
+        loaded_flag=get_star_flag(star_index_loaded)
         # bam=lambda wc: BAM_DEP_LKUP.get(wc_fill(star_mapped_bam, wc), f"can't_find_bam_{wc}"),
         # index=lambda wc: BAM_IDX_LKUP.get(wc_fill(star_mapped_bam, wc), f"can't find_idx_{wc}"),
     output:
@@ -559,43 +583,36 @@ rule load_genome:
         star_index_file
     output:
         temp(touch(star_index_loaded)),
-        temp(directory(star_index_log_location))
+    params:
+        f_locked_current=lambda wc: expand(star_index_locked_current, ref_name=wc.ref_name, species=wc.species),
+        log_dir=lambda wc: expand(star_index_log_location, ref_name=wc.ref_name, species=wc.species)
     shell:
         """
-        STAR --genomeLoad Remove --genomeDir {input[0]}  --outFileNamePrefix {output[1]}/  || echo "Could not remove shared memory genome for {input[0]}"
-        STAR --genomeLoad LoadAndExit --genomeDir {input[0]}  --outFileNamePrefix {output[1]}/
+        touch {params.f_locked_current}
+        STAR --genomeLoad LoadAndExit --genomeDir {input[0]}  --outFileNamePrefix {params.log_dir}/ || echo "Could not load genome into shared memory for {input[0]} - maybe already loaded"
         """
 
-def get_star_unloaded_flag(default_strategy="STAR:genome:final"):
-    out_files = []
-
-    for index, row in project_df.df.iterrows():
-        map_strategy = getattr(row, "map_strategy", default_strategy)
-        map_rules, _ = mapstr_to_targets(map_strategy, left=ubam_input, final=final_target)
-        is_merged = project_df.get_metadata(
-            "is_merged", project_id=index[0], sample_id=index[1]
-        )
-        if is_merged:
-            continue
-
-        for mr in map_rules:
-            if mr.mapper == "STAR":
-                out_files += expand(star_index_unloaded, species=row.species, ref_name=mr.ref_name)
-
-    return set(out_files)
-
-register_module_output_hook(get_star_unloaded_flag, "mapping.smk")
-
+rule unload_genome_flag:
+    input:
+        get_star_flag(star_index_unloaded)
 
 rule unload_genome:
     input:
-        bams=get_mapped_BAM_output(),
-        loaded_flag=star_index_loaded,
+        bams=ancient(get_mapped_BAM_output()),
         index_dir=star_index, # we put last so it is accessible
     output:
         temp(touch(star_index_unloaded)),
-        temp(directory(star_index_log_location))
+    params:
+        f_locked=lambda wc: expand(star_index_locked, ref_name=wc.ref_name, species=wc.species),
+        f_locked_current=lambda wc: expand(star_index_locked_current, ref_name=wc.ref_name, species=wc.species),
+        log_dir=lambda wc: expand(star_index_log_location, ref_name=wc.ref_name, species=wc.species)
     shell:
         """
-        STAR --genomeLoad Remove --genomeDir {input.index_dir} --outFileNamePrefix {output[1]}/
+        rm {params.f_locked_current}
+        if ls {params.f_locked}* 1> /dev/null 2>&1;
+        then
+            echo 'There are other tasks waiting for the STAR shared memory index. Not removing from {params.f_locked_current}'
+        else
+            STAR --genomeLoad Remove --genomeDir {input.index_dir} --outFileNamePrefix {params.log_dir}/ || echo "Could not remove genome from shared memory for {input[0]}"
+        fi
         """