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Commit f61185b

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sangramqljabubake
sangramql
authored and
jabubake
committed
Update tableadmin (GoogleCloudPlatform#1562)
Fixes GoogleCloudPlatform#1555
1 parent c45c910 commit f61185b
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‎bigtable/tableadmin/tableadmin.py

Copy file name to clipboardExpand all lines: bigtable/tableadmin/tableadmin.py
+43-60Lines changed: 43 additions & 60 deletions
Original file line numberDiff line numberDiff line change
@@ -63,31 +63,25 @@ def run_table_operations(project_id, instance_id, table_id):
6363
table.create()
6464
print 'Created table {}.'.format(table_id)
6565

66-
# [START List existing tables in the instance.]
66+
# [START bigtable_list_tables]
6767
tables = instance.list_tables()
6868
print 'Listing tables in current project...'
6969
if tables != []:
7070
for tbl in tables:
7171
print tbl.table_id
7272
else:
7373
print 'No table exists in current project...'
74-
# [END List existing tables in the instance.]
75-
76-
# Display name of the table.
77-
print 'Printing table metadata...'
78-
print table.table_id
74+
# [END bigtable_list_tables]
7975

8076
# [START bigtable_create_family_gc_max_age]
8177
print 'Creating column family cf1 with with MaxAge GC Rule...'
8278
# Create a column family with GC policy : maximum age
8379
# where age = current time minus cell timestamp
84-
column_family_id1 = 'cf1'
80+
8581
# Define the GC rule to retain data with max age of 5 days
86-
max_age = datetime.timedelta(days=5)
87-
max_age_rule = table.max_age_gc_rule(max_age)
88-
print 'Created MaxAge GC rule.'
82+
max_age_rule = table.max_age_gc_rule(datetime.timedelta(days=5))
8983

90-
cf1 = table.column_family(column_family_id1, max_age_rule)
84+
cf1 = table.column_family('cf1', max_age_rule)
9185
cf1.create()
9286
print 'Created column family cf1 with MaxAge GC Rule.'
9387
# [END bigtable_create_family_gc_max_age]
@@ -96,13 +90,11 @@ def run_table_operations(project_id, instance_id, table_id):
9690
print 'Creating column family cf2 with max versions GC rule...'
9791
# Create a column family with GC policy : most recent N versions
9892
# where 1 = most recent version
99-
column_family_id2 = 'cf2'
93+
10094
# Define the GC policy to retain only the most recent 2 versions
101-
max_versions = 2
102-
max_versions_rule = table.max_versions_gc_rule(max_versions)
103-
print 'Created Max Versions GC Rule.'
95+
max_versions_rule = table.max_versions_gc_rule(2)
10496

105-
cf2 = table.column_family(column_family_id2, max_versions_rule)
97+
cf2 = table.column_family('cf2', max_versions_rule)
10698
cf2 .create()
10799
print 'Created column family cf2 with Max Versions GC Rule.'
108100
# [END bigtable_create_family_gc_max_versions]
@@ -111,13 +103,13 @@ def run_table_operations(project_id, instance_id, table_id):
111103
print 'Creating column family cf3 with union GC rule...'
112104
# Create a column family with GC policy to drop data that matches
113105
# at least one condition.
114-
column_family_id3 = 'cf3'
115-
# GC rule : Drop max age rule OR the most recent version rule.
116-
union = [max_age_rule, max_versions_rule]
117-
union_rule = table.gc_rule_union(union)
118-
print 'Created Union GC Rule.'
106+
# Define a GC rule to drop cells older than 5 days or not the
107+
# most recent version
108+
union_rule = table.gc_rule_union([
109+
table.max_age_gc_rule(datetime.timedelta(days=5)),
110+
table.max_versions_gc_rule(2)])
119111

120-
cf3 = table.column_family(column_family_id3, union_rule)
112+
cf3 = table.column_family('cf3', union_rule)
121113
cf3.create()
122114
print 'Created column family cf3 with Union GC rule'
123115
# [END bigtable_create_family_gc_union]
@@ -126,45 +118,33 @@ def run_table_operations(project_id, instance_id, table_id):
126118
print 'Creating column family cf4 with Intersection GC rule...'
127119
# Create a column family with GC policy to drop data that matches
128120
# all conditions
129-
column_family_id4 = 'cf4'
130121
# GC rule: Drop cells older than 5 days AND older than the most
131122
# recent 2 versions
132-
intersection = [max_age_rule, max_versions_rule]
133-
intersection_rule = table.gc_rule_intersection(union)
134-
print 'Created Intersection GC Rule.'
123+
intersection_rule = table.gc_rule_intersection([
124+
table.max_age_gc_rule(datetime.timedelta(days=5)),
125+
table.max_versions_gc_rule(2)])
135126

136-
cf4 = table.column_family(column_family_id4, intersection_rule)
127+
cf4 = table.column_family('cf4', intersection_rule)
137128
cf4.create()
138129
print 'Created column family cf4 with Intersection GC rule.'
139130
# [END bigtable_create_family_gc_intersection]
140131

141132
# [START bigtable_create_family_gc_nested]
142133
print 'Creating column family cf5 with a Nested GC rule...'
143-
# Create a column family with nested GC policys.
134+
# Create a column family with nested GC policies.
144135
# Create a nested GC rule:
145136
# Drop cells that are either older than the 10 recent versions
146137
# OR
147138
# Drop cells that are older than a month AND older than the
148139
# 2 recent versions
149-
column_family_id5 = 'cf5'
150-
# Drop cells that are either older than the 10 recent versions
151-
max_versions_rule1 = table.max_versions_gc_rule(10)
152-
153-
# Drop cells that are older than a month AND older than
154-
# the 2 recent versions
155-
max_age = datetime.timedelta(days=30)
156-
max_age_rule = table.max_age_gc_rule(max_age)
157-
max_versions_rule2 = table.max_versions_gc_rule(2)
158-
intersection = [max_age_rule, max_versions_rule2]
159-
intersection_rule = table.gc_rule_intersection(intersection)
160-
161-
# This nesting is done with union rule since it is OR between
162-
# the selected rules.
163-
nest = [max_versions_rule1, intersection_rule]
164-
nested_rule = table.gc_rule_union(nest)
165-
print 'Created Nested GC Rule.'
166-
167-
cf5 = table.column_family(column_family_id5, nested_rule)
140+
rule1 = table.max_versions_gc_rule(10)
141+
rule2 = table.gc_rule_intersection([
142+
table.max_age_gc_rule(datetime.timedelta(days=30)),
143+
table.max_versions_gc_rule(2)])
144+
145+
nested_rule = table.gc_rule_union([rule1, rule2])
146+
147+
cf5 = table.column_family('cf5', nested_rule)
168148
cf5.create()
169149
print 'Created column family cf5 with a Nested GC rule.'
170150
# [END bigtable_create_family_gc_nested]
@@ -193,23 +173,21 @@ def run_table_operations(project_id, instance_id, table_id):
193173
# }
194174
# [END bigtable_list_column_families]
195175

176+
print 'Print column family cf1 GC rule before update...'
177+
print "Column Family: cf1"
178+
print cf1.to_pb()
179+
196180
# [START bigtable_update_gc_rule]
197181
print 'Updating column family cf1 GC rule...'
198182
# Update the column family cf1 to update the GC rule
199-
max_versions = 1
200-
max_versions_rule = table.max_versions_gc_rule(max_versions)
201-
# Create a reference to the column family with GC rule
202-
cf1 = table.column_family(column_family_id1, max_versions_rule)
183+
cf1 = table.column_family('cf1', table.max_versions_gc_rule(1))
203184
cf1.update()
204-
print 'Updated column family cf1 GC rule'
185+
print 'Updated column family cf1 GC rule\n'
205186
# [END bigtable_update_gc_rule]
206187

207-
# [START bigtable_family_get_gc_rule]
208-
print 'Print updated column family cf1 GC rule...'
209-
print 'Column Family:', column_family_id1
210-
print 'GC Rule:'
188+
print 'Print column family cf1 GC rule after update...'
189+
print "Column Family: cf1"
211190
print cf1.to_pb()
212-
# [END bigtable_family_get_gc_rule]
213191

214192
# [START bigtable_delete_family]
215193
print 'Delete a column family cf2...'
@@ -218,8 +196,8 @@ def run_table_operations(project_id, instance_id, table_id):
218196
print 'Column family cf2 deleted successfully.'
219197
# [END bigtable_delete_family]
220198

221-
print 'execute command python tableadmin.py delete [project_id] \
222-
[instance_id] --table [tableName] to delete the table.'
199+
print 'execute command "python tableadmin.py delete [project_id] \
200+
[instance_id] --table [tableName]" to delete the table.'
223201

224202

225203
def exists(instance_obj, table_id):
@@ -234,7 +212,8 @@ def exists(instance_obj, table_id):
234212
:param instance_obj: Instance object.
235213
236214
:type table_id: str
237-
:param table_id: Table id to create table.
215+
:param table_id: Table id to identify table.
216+
238217
Returns bool
239218
"""
240219
for table in instance_obj.list_tables():
@@ -260,6 +239,9 @@ def delete_table(project_id, instance_id, table_id):
260239
instance = client.instance(instance_id)
261240
table = instance.table(table_id)
262241

242+
# [START bigtable_delete_table]
243+
# Delete the entire table
244+
263245
print 'Checking if table {} exists...'.format(table_id)
264246
if exists(instance, table_id):
265247
print 'Table {} exists.'.format(table_id)
@@ -268,6 +250,7 @@ def delete_table(project_id, instance_id, table_id):
268250
print 'Deleted {} table.'.format(table_id)
269251
else:
270252
print 'Table {} does not exists.'.format(table_id)
253+
# [END bigtable_delete_table]
271254

272255

273256
if __name__ == '__main__':

‎bigtable/tableadmin/tableadmin_test.py

Copy file name to clipboardExpand all lines: bigtable/tableadmin/tableadmin_test.py
+6-10Lines changed: 6 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -31,23 +31,19 @@ def test_run_table_operations(capsys):
3131

3232
run_table_operations(PROJECT, BIGTABLE_CLUSTER, table_name)
3333
out, _ = capsys.readouterr()
34-
assert 'Creating the {} table.'.format(table_name) in out
34+
35+
assert 'Creating the ' + table_name + ' table.' in out
3536
assert 'Listing tables in current project.' in out
3637
assert 'Creating column family cf1 with with MaxAge GC Rule' in out
37-
assert 'Created MaxAge GC rule.' in out
3838
assert 'Created column family cf1 with MaxAge GC Rule.' in out
39-
assert 'Created Max Versions GC Rule.' in out
4039
assert 'Created column family cf2 with Max Versions GC Rule.' in out
41-
assert 'Created Union GC Rule.' in out
4240
assert 'Created column family cf3 with Union GC rule' in out
43-
assert 'Created Intersection GC Rule.' in out
4441
assert 'Created column family cf4 with Intersection GC rule.' in out
45-
assert 'Created Nested GC Rule.' in out
4642
assert 'Created column family cf5 with a Nested GC rule.' in out
4743
assert 'Printing Column Family and GC Rule for all column families.' in out
4844
assert 'Updating column family cf1 GC rule...' in out
4945
assert 'Updated column family cf1 GC rule' in out
50-
assert 'Print updated column family cf1 GC rule...' in out
46+
assert 'Print column family cf1 GC rule after update...' in out
5147
assert 'Column Family: cf1' in out
5248
assert 'max_num_versions: 1' in out
5349
assert 'Delete a column family cf2...' in out
@@ -61,6 +57,6 @@ def test_delete_table(capsys):
6157
delete_table(PROJECT, BIGTABLE_CLUSTER, table_name)
6258
out, _ = capsys.readouterr()
6359

64-
assert 'Table {} exists.'.format(table_name) in out
65-
assert 'Deleting {} table.'.format(table_name) in out
66-
assert 'Deleted {} table.'.format(table_name) in out
60+
assert 'Table ' + table_name + ' exists.' in out
61+
assert 'Deleting ' + table_name + ' table.' in out
62+
assert 'Deleted ' + table_name + ' table.' in out

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