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out_cloudwatch: add account ID support for CloudWatch entity #4

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merged 4 commits into from
Nov 1, 2024
Merged

out_cloudwatch: add account ID support for CloudWatch entity #4

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6097557
Add account ID support for CloudWatch entity
zhihonl Oct 30, 2024
99f6615
Send entity only when account ID is defined
zhihonl Oct 30, 2024
b59d1f3
Enable account and instance ID for entity without customer interaction
zhihonl Oct 30, 2024
6677bd7
Add comment to explain entity drops without account ID
zhihonl Oct 30, 2024
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10 changes: 9 additions & 1 deletion plugins/filter_aws/aws.c
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Original file line number Diff line number Diff line change
Expand Up @@ -616,14 +616,22 @@ static int cb_aws_filter(const void *data, size_t bytes,
ctx->ami_id, ctx->ami_id_len);
}

if (ctx->account_id_include) {
if (ctx->account_id_include && !ctx->enable_entity) {
msgpack_pack_str(&tmp_pck, FLB_FILTER_AWS_ACCOUNT_ID_KEY_LEN);
msgpack_pack_str_body(&tmp_pck,
FLB_FILTER_AWS_ACCOUNT_ID_KEY,
FLB_FILTER_AWS_ACCOUNT_ID_KEY_LEN);
msgpack_pack_str(&tmp_pck, ctx->account_id_len);
msgpack_pack_str_body(&tmp_pck,
ctx->account_id, ctx->account_id_len);
} else if (ctx->account_id_include && ctx->enable_entity) {
msgpack_pack_str(&tmp_pck, FLB_FILTER_AWS_ENTITY_ACCOUNT_ID_KEY_LEN);
msgpack_pack_str_body(&tmp_pck,
FLB_FILTER_AWS_ENTITY_ACCOUNT_ID_KEY,
FLB_FILTER_AWS_ENTITY_ACCOUNT_ID_KEY_LEN);
msgpack_pack_str(&tmp_pck, ctx->account_id_len);
msgpack_pack_str_body(&tmp_pck,
ctx->account_id, ctx->account_id_len);
}

if (ctx->hostname_include) {
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2 changes: 2 additions & 0 deletions plugins/filter_aws/aws.h
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Original file line number Diff line number Diff line change
Expand Up @@ -63,6 +63,8 @@
#define FLB_FILTER_AWS_AMI_ID_KEY_LEN 6
#define FLB_FILTER_AWS_ACCOUNT_ID_KEY "account_id"
#define FLB_FILTER_AWS_ACCOUNT_ID_KEY_LEN 10
#define FLB_FILTER_AWS_ENTITY_ACCOUNT_ID_KEY "aws_entity_account_id"
#define FLB_FILTER_AWS_ENTITY_ACCOUNT_ID_KEY_LEN 21
#define FLB_FILTER_AWS_HOSTNAME_KEY "hostname"
#define FLB_FILTER_AWS_HOSTNAME_KEY_LEN 8

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18 changes: 17 additions & 1 deletion plugins/out_cloudwatch_logs/cloudwatch_api.c
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Original file line number Diff line number Diff line change
Expand Up @@ -221,6 +221,14 @@ static int entity_add_key_attributes(struct flb_cloudwatch *ctx, struct cw_flush
goto error;
}
}
if(stream->entity->key_attributes->account_id != NULL && strlen(stream->entity->key_attributes->account_id) != 0) {
if (!snprintf(ts,KEY_ATTRIBUTES_MAX_LEN, ",%s%s%s","\"AwsAccountId\":\"",stream->entity->key_attributes->account_id,"\"")) {
goto error;
}
if (!try_to_write(buf->out_buf, offset, buf->out_buf_size,ts,0)) {
goto error;
}
}
if (!try_to_write(buf->out_buf, offset, buf->out_buf_size,
"},", 2)) {
goto error;
Expand Down Expand Up @@ -360,7 +368,7 @@ static int init_put_payload(struct flb_cloudwatch *ctx, struct cw_flush *buf,
}
// If we are missing the service name, the entity will get rejected by the frontend anyway
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// so do not emit entity unless service name is filled
if(ctx->add_entity && stream->entity != NULL && stream->entity->key_attributes != NULL && stream->entity->key_attributes->name != NULL) {
if(ctx->add_entity && stream->entity != NULL && stream->entity->key_attributes != NULL && stream->entity->key_attributes->name != NULL && stream->entity->key_attributes->account_id != NULL) {
if (!try_to_write(buf->out_buf, offset, buf->out_buf_size,
"\"entity\":{", 10)) {
goto error;
Expand Down Expand Up @@ -1109,6 +1117,14 @@ void parse_entity(struct flb_cloudwatch *ctx, entity *entity, msgpack_object map
}
entity->attributes->instance_id = flb_strndup(val.via.str.ptr, val.via.str.size);
}
if(strncmp(key.via.str.ptr, "aws_entity_account_id",key.via.str.size ) == 0 ) {
if(entity->key_attributes->account_id == NULL) {
entity->root_filter_count++;
} else {
flb_free(entity->key_attributes->account_id);
}
entity->key_attributes->account_id = flb_strndup(val.via.str.ptr, val.via.str.size);
}
}
if(entity->key_attributes->name == NULL && entity->attributes->name_source == NULL &&entity->attributes->workload != NULL) {
entity->key_attributes->name = flb_strndup(entity->attributes->workload, strlen(entity->attributes->workload));
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1 change: 1 addition & 0 deletions plugins/out_cloudwatch_logs/cloudwatch_logs.c
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Original file line number Diff line number Diff line change
Expand Up @@ -515,6 +515,7 @@ void entity_destroy(entity *entity) {
flb_free(entity->key_attributes->environment);
flb_free(entity->key_attributes->name);
flb_free(entity->key_attributes->type);
flb_free(entity->key_attributes->account_id);
flb_free(entity->key_attributes);
}
flb_free(entity);
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1 change: 1 addition & 0 deletions plugins/out_cloudwatch_logs/cloudwatch_logs.h
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Original file line number Diff line number Diff line change
Expand Up @@ -48,6 +48,7 @@ typedef struct entity_key_attributes {
char *type;
char *name;
char *environment;
char *account_id;
}entity_key_attributes;

/* Attributes used for CloudWatch Entity object
Expand Down
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